/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/Problem15_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:59:09,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:59:09,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:59:09,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:59:09,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:59:09,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:59:09,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:59:09,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:59:09,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:59:09,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:59:09,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:59:09,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:59:09,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:59:09,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:59:09,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:59:09,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:59:09,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 01:59:09,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:59:09,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:59:09,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:59:09,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:59:09,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:59:09,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:59:09,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:59:09,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:59:09,776 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:59:09,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:59:09,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:59:09,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:59:09,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:59:09,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:59:09,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:59:09,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:59:09,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:59:09,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:59:09,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:59:09,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:59:09,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:59:09,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:59:09,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:59:09,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:59:09,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:59:09,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:59:09,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:59:09,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:59:09,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:59:09,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:59:10,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:59:10,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:59:10,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:59:10,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:59:10,283 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:59:10,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2020-12-22 01:59:10,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/353e5b7d2/8a4b9f7a72044734969e52654c0810bd/FLAGa3760cf26 [2020-12-22 01:59:11,238 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:59:11,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2020-12-22 01:59:11,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/353e5b7d2/8a4b9f7a72044734969e52654c0810bd/FLAGa3760cf26 [2020-12-22 01:59:11,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/353e5b7d2/8a4b9f7a72044734969e52654c0810bd [2020-12-22 01:59:11,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:59:11,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:59:11,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:59:11,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:59:11,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:59:11,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:59:11" (1/1) ... [2020-12-22 01:59:11,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee23663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:11, skipping insertion in model container [2020-12-22 01:59:11,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:59:11" (1/1) ... [2020-12-22 01:59:11,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:59:11,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:59:11,770 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/Problem15_label13.c[5940,5953] [2020-12-22 01:59:12,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:59:12,577 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:59:12,627 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/Problem15_label13.c[5940,5953] [2020-12-22 01:59:12,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:59:12,991 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:59:12,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12 WrapperNode [2020-12-22 01:59:12,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:59:12,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:59:12,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:59:12,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:59:13,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:59:13,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:59:13,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:59:13,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:59:13,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (1/1) ... [2020-12-22 01:59:13,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:59:13,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:59:13,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:59:13,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:59:13,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (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 01:59:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:59:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:59:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:59:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:59:17,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:59:17,387 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-22 01:59:17,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:59:17 BoogieIcfgContainer [2020-12-22 01:59:17,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:59:17,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:59:17,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:59:17,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:59:17,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:59:11" (1/3) ... [2020-12-22 01:59:17,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa06a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:59:17, skipping insertion in model container [2020-12-22 01:59:17,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:12" (2/3) ... [2020-12-22 01:59:17,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa06a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:59:17, skipping insertion in model container [2020-12-22 01:59:17,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:59:17" (3/3) ... [2020-12-22 01:59:17,405 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label13.c [2020-12-22 01:59:17,416 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:59:17,423 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:59:17,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:59:17,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:59:17,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:59:17,494 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:59:17,494 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:59:17,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:59:17,494 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:59:17,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:59:17,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:59:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-12-22 01:59:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 01:59:17,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:17,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:59:17,539 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:17,546 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2020-12-22 01:59:17,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:17,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123409391] [2020-12-22 01:59:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:17,937 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 01:59:17,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123409391] [2020-12-22 01:59:17,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:17,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:59:17,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622624447] [2020-12-22 01:59:17,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:17,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:17,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:17,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:17,969 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 3 states. [2020-12-22 01:59:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:21,464 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2020-12-22 01:59:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:21,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-22 01:59:21,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:21,511 INFO L225 Difference]: With dead ends: 1191 [2020-12-22 01:59:21,511 INFO L226 Difference]: Without dead ends: 688 [2020-12-22 01:59:21,523 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 01:59:21,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-12-22 01:59:21,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2020-12-22 01:59:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-12-22 01:59:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2020-12-22 01:59:21,634 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 48 [2020-12-22 01:59:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:21,635 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2020-12-22 01:59:21,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2020-12-22 01:59:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-22 01:59:21,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:21,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 01:59:21,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:59:21,642 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1328017793, now seen corresponding path program 1 times [2020-12-22 01:59:21,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:21,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150178911] [2020-12-22 01:59:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:21,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150178911] [2020-12-22 01:59:21,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:21,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:59:21,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250754006] [2020-12-22 01:59:21,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:21,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:21,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:21,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:21,851 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand 3 states. [2020-12-22 01:59:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:24,472 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2020-12-22 01:59:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:24,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-22 01:59:24,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:24,484 INFO L225 Difference]: With dead ends: 1964 [2020-12-22 01:59:24,484 INFO L226 Difference]: Without dead ends: 1286 [2020-12-22 01:59:24,487 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 01:59:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-12-22 01:59:24,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2020-12-22 01:59:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-12-22 01:59:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2020-12-22 01:59:24,554 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 116 [2020-12-22 01:59:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:24,557 INFO L481 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2020-12-22 01:59:24,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2020-12-22 01:59:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-22 01:59:24,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:24,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:24,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:59:24,573 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:24,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:24,577 INFO L82 PathProgramCache]: Analyzing trace with hash 851098733, now seen corresponding path program 1 times [2020-12-22 01:59:24,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:24,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099430499] [2020-12-22 01:59:24,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:24,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099430499] [2020-12-22 01:59:24,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:24,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:59:24,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640505603] [2020-12-22 01:59:24,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:24,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:24,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:24,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:24,900 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand 3 states. [2020-12-22 01:59:27,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:27,709 INFO L93 Difference]: Finished difference Result 2859 states and 3905 transitions. [2020-12-22 01:59:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:27,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-22 01:59:27,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:27,720 INFO L225 Difference]: With dead ends: 2859 [2020-12-22 01:59:27,721 INFO L226 Difference]: Without dead ends: 1580 [2020-12-22 01:59:27,723 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 01:59:27,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2020-12-22 01:59:27,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2020-12-22 01:59:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-12-22 01:59:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2091 transitions. [2020-12-22 01:59:27,765 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2091 transitions. Word has length 124 [2020-12-22 01:59:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:27,766 INFO L481 AbstractCegarLoop]: Abstraction has 1580 states and 2091 transitions. [2020-12-22 01:59:27,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2091 transitions. [2020-12-22 01:59:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-22 01:59:27,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:27,769 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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 01:59:27,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:59:27,770 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1777642279, now seen corresponding path program 1 times [2020-12-22 01:59:27,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:27,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301748803] [2020-12-22 01:59:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 142 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:28,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301748803] [2020-12-22 01:59:28,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451208305] [2020-12-22 01:59:28,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:59:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:28,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 01:59:28,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:59:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 142 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:29,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 01:59:29,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-22 01:59:29,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894055858] [2020-12-22 01:59:29,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:59:29,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:29,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:59:29,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:59:29,163 INFO L87 Difference]: Start difference. First operand 1580 states and 2091 transitions. Second operand 7 states. [2020-12-22 01:59:39,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:39,404 INFO L93 Difference]: Finished difference Result 6855 states and 8990 transitions. [2020-12-22 01:59:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 01:59:39,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-12-22 01:59:39,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:39,425 INFO L225 Difference]: With dead ends: 6855 [2020-12-22 01:59:39,426 INFO L226 Difference]: Without dead ends: 3678 [2020-12-22 01:59:39,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-12-22 01:59:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2020-12-22 01:59:39,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3079. [2020-12-22 01:59:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3079 states. [2020-12-22 01:59:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 3724 transitions. [2020-12-22 01:59:39,505 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 3724 transitions. Word has length 215 [2020-12-22 01:59:39,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:39,505 INFO L481 AbstractCegarLoop]: Abstraction has 3079 states and 3724 transitions. [2020-12-22 01:59:39,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:59:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3724 transitions. [2020-12-22 01:59:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-12-22 01:59:39,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:39,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:39,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:59:39,725 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:39,727 INFO L82 PathProgramCache]: Analyzing trace with hash 350709814, now seen corresponding path program 1 times [2020-12-22 01:59:39,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:39,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257743167] [2020-12-22 01:59:39,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-22 01:59:40,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257743167] [2020-12-22 01:59:40,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:40,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:59:40,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894369451] [2020-12-22 01:59:40,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:40,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:40,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:40,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:40,298 INFO L87 Difference]: Start difference. First operand 3079 states and 3724 transitions. Second operand 3 states. [2020-12-22 01:59:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:43,322 INFO L93 Difference]: Finished difference Result 7658 states and 9313 transitions. [2020-12-22 01:59:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:43,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-12-22 01:59:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:43,350 INFO L225 Difference]: With dead ends: 7658 [2020-12-22 01:59:43,351 INFO L226 Difference]: Without dead ends: 4581 [2020-12-22 01:59:43,357 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 01:59:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2020-12-22 01:59:43,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4578. [2020-12-22 01:59:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4578 states. [2020-12-22 01:59:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 5364 transitions. [2020-12-22 01:59:43,469 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 5364 transitions. Word has length 330 [2020-12-22 01:59:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:43,470 INFO L481 AbstractCegarLoop]: Abstraction has 4578 states and 5364 transitions. [2020-12-22 01:59:43,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 5364 transitions. [2020-12-22 01:59:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-12-22 01:59:43,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:43,479 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:43,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:59:43,480 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:43,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:43,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1950480271, now seen corresponding path program 1 times [2020-12-22 01:59:43,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:43,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213383478] [2020-12-22 01:59:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:45,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213383478] [2020-12-22 01:59:45,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640033440] [2020-12-22 01:59:45,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:59:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:45,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:59:45,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:59:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:59:46,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:59:46,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:59:46,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255904311] [2020-12-22 01:59:46,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:46,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:46,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:46,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:59:46,025 INFO L87 Difference]: Start difference. First operand 4578 states and 5364 transitions. Second operand 3 states. [2020-12-22 01:59:48,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:48,936 INFO L93 Difference]: Finished difference Result 11560 states and 13703 transitions. [2020-12-22 01:59:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:48,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2020-12-22 01:59:48,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:48,972 INFO L225 Difference]: With dead ends: 11560 [2020-12-22 01:59:48,972 INFO L226 Difference]: Without dead ends: 6984 [2020-12-22 01:59:48,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:59:48,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6984 states. [2020-12-22 01:59:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6984 to 6381. [2020-12-22 01:59:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6381 states. [2020-12-22 01:59:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 7200 transitions. [2020-12-22 01:59:49,186 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 7200 transitions. Word has length 394 [2020-12-22 01:59:49,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:49,188 INFO L481 AbstractCegarLoop]: Abstraction has 6381 states and 7200 transitions. [2020-12-22 01:59:49,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 7200 transitions. [2020-12-22 01:59:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-12-22 01:59:49,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:49,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:49,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:59:49,412 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:49,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:49,413 INFO L82 PathProgramCache]: Analyzing trace with hash -521048851, now seen corresponding path program 1 times [2020-12-22 01:59:49,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:49,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714311183] [2020-12-22 01:59:49,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 01:59:49,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714311183] [2020-12-22 01:59:49,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:49,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:59:49,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029435084] [2020-12-22 01:59:49,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:49,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:49,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:49,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:49,738 INFO L87 Difference]: Start difference. First operand 6381 states and 7200 transitions. Second operand 3 states. [2020-12-22 01:59:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:52,436 INFO L93 Difference]: Finished difference Result 14557 states and 16658 transitions. [2020-12-22 01:59:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:52,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 425 [2020-12-22 01:59:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:52,474 INFO L225 Difference]: With dead ends: 14557 [2020-12-22 01:59:52,474 INFO L226 Difference]: Without dead ends: 8178 [2020-12-22 01:59:52,483 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 01:59:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8178 states. [2020-12-22 01:59:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8178 to 8176. [2020-12-22 01:59:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8176 states. [2020-12-22 01:59:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8176 states to 8176 states and 9021 transitions. [2020-12-22 01:59:52,641 INFO L78 Accepts]: Start accepts. Automaton has 8176 states and 9021 transitions. Word has length 425 [2020-12-22 01:59:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:52,642 INFO L481 AbstractCegarLoop]: Abstraction has 8176 states and 9021 transitions. [2020-12-22 01:59:52,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8176 states and 9021 transitions. [2020-12-22 01:59:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2020-12-22 01:59:52,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:52,657 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:52,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:59:52,657 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:52,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:52,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1017339979, now seen corresponding path program 1 times [2020-12-22 01:59:52,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:52,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976059267] [2020-12-22 01:59:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-12-22 01:59:53,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976059267] [2020-12-22 01:59:53,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:53,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:59:53,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865171588] [2020-12-22 01:59:53,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:53,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:53,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:53,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:53,178 INFO L87 Difference]: Start difference. First operand 8176 states and 9021 transitions. Second operand 3 states. [2020-12-22 01:59:55,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:55,464 INFO L93 Difference]: Finished difference Result 16348 states and 18081 transitions. [2020-12-22 01:59:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:55,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 549 [2020-12-22 01:59:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:55,492 INFO L225 Difference]: With dead ends: 16348 [2020-12-22 01:59:55,492 INFO L226 Difference]: Without dead ends: 8473 [2020-12-22 01:59:55,503 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 01:59:55,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8473 states. [2020-12-22 01:59:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8473 to 8174. [2020-12-22 01:59:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8174 states. [2020-12-22 01:59:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8174 states to 8174 states and 9017 transitions. [2020-12-22 01:59:55,649 INFO L78 Accepts]: Start accepts. Automaton has 8174 states and 9017 transitions. Word has length 549 [2020-12-22 01:59:55,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:55,650 INFO L481 AbstractCegarLoop]: Abstraction has 8174 states and 9017 transitions. [2020-12-22 01:59:55,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:55,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8174 states and 9017 transitions. [2020-12-22 01:59:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-12-22 01:59:55,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:55,669 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:55,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:59:55,669 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:55,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2131564190, now seen corresponding path program 1 times [2020-12-22 01:59:55,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:55,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060439255] [2020-12-22 01:59:55,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:59:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-12-22 01:59:56,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060439255] [2020-12-22 01:59:56,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:59:56,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:59:56,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130010888] [2020-12-22 01:59:56,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:59:56,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:59:56,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:59:56,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:59:56,347 INFO L87 Difference]: Start difference. First operand 8174 states and 9017 transitions. Second operand 3 states. [2020-12-22 01:59:59,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:59:59,170 INFO L93 Difference]: Finished difference Result 18469 states and 20406 transitions. [2020-12-22 01:59:59,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:59:59,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 575 [2020-12-22 01:59:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:59:59,193 INFO L225 Difference]: With dead ends: 18469 [2020-12-22 01:59:59,193 INFO L226 Difference]: Without dead ends: 10297 [2020-12-22 01:59:59,202 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 01:59:59,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10297 states. [2020-12-22 01:59:59,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10297 to 8477. [2020-12-22 01:59:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8477 states. [2020-12-22 01:59:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8477 states to 8477 states and 9335 transitions. [2020-12-22 01:59:59,355 INFO L78 Accepts]: Start accepts. Automaton has 8477 states and 9335 transitions. Word has length 575 [2020-12-22 01:59:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:59:59,356 INFO L481 AbstractCegarLoop]: Abstraction has 8477 states and 9335 transitions. [2020-12-22 01:59:59,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:59:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 8477 states and 9335 transitions. [2020-12-22 01:59:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2020-12-22 01:59:59,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:59:59,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:59:59,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:59:59,369 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:59:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:59:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash 194348831, now seen corresponding path program 1 times [2020-12-22 01:59:59,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:59:59,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679085858] [2020-12-22 01:59:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:59:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 242 proven. 188 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-22 02:00:01,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679085858] [2020-12-22 02:00:01,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717755436] [2020-12-22 02:00:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:00:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:01,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 02:00:01,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 02:00:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-12-22 02:00:02,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 02:00:02,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 02:00:02,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687832952] [2020-12-22 02:00:02,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 02:00:02,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:02,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 02:00:02,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 02:00:02,633 INFO L87 Difference]: Start difference. First operand 8477 states and 9335 transitions. Second operand 4 states. [2020-12-22 02:00:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:07,118 INFO L93 Difference]: Finished difference Result 24805 states and 27550 transitions. [2020-12-22 02:00:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 02:00:07,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 583 [2020-12-22 02:00:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:07,156 INFO L225 Difference]: With dead ends: 24805 [2020-12-22 02:00:07,156 INFO L226 Difference]: Without dead ends: 16629 [2020-12-22 02:00:07,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 02:00:07,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16629 states. [2020-12-22 02:00:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16629 to 14227. [2020-12-22 02:00:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14227 states. [2020-12-22 02:00:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14227 states to 14227 states and 15787 transitions. [2020-12-22 02:00:07,432 INFO L78 Accepts]: Start accepts. Automaton has 14227 states and 15787 transitions. Word has length 583 [2020-12-22 02:00:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:07,433 INFO L481 AbstractCegarLoop]: Abstraction has 14227 states and 15787 transitions. [2020-12-22 02:00:07,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 02:00:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14227 states and 15787 transitions. [2020-12-22 02:00:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2020-12-22 02:00:07,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:07,442 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:07,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 02:00:07,657 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:07,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:07,659 INFO L82 PathProgramCache]: Analyzing trace with hash -964489000, now seen corresponding path program 1 times [2020-12-22 02:00:07,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:07,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069049737] [2020-12-22 02:00:07,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2020-12-22 02:00:08,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069049737] [2020-12-22 02:00:08,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:00:08,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 02:00:08,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229016149] [2020-12-22 02:00:08,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:00:08,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:08,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:00:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 02:00:08,327 INFO L87 Difference]: Start difference. First operand 14227 states and 15787 transitions. Second operand 3 states. [2020-12-22 02:00:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:11,451 INFO L93 Difference]: Finished difference Result 30837 states and 34603 transitions. [2020-12-22 02:00:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:00:11,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 586 [2020-12-22 02:00:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:11,504 INFO L225 Difference]: With dead ends: 30837 [2020-12-22 02:00:11,505 INFO L226 Difference]: Without dead ends: 18711 [2020-12-22 02:00:11,521 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 02:00:11,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18711 states. [2020-12-22 02:00:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18711 to 15715. [2020-12-22 02:00:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15715 states. [2020-12-22 02:00:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15715 states to 15715 states and 17506 transitions. [2020-12-22 02:00:11,843 INFO L78 Accepts]: Start accepts. Automaton has 15715 states and 17506 transitions. Word has length 586 [2020-12-22 02:00:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:11,844 INFO L481 AbstractCegarLoop]: Abstraction has 15715 states and 17506 transitions. [2020-12-22 02:00:11,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:00:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 15715 states and 17506 transitions. [2020-12-22 02:00:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2020-12-22 02:00:11,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:11,855 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:11,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 02:00:11,855 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1127490483, now seen corresponding path program 1 times [2020-12-22 02:00:11,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:11,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324664654] [2020-12-22 02:00:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2020-12-22 02:00:12,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324664654] [2020-12-22 02:00:12,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:00:12,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 02:00:12,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793255264] [2020-12-22 02:00:12,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:00:12,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:12,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:00:12,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 02:00:12,533 INFO L87 Difference]: Start difference. First operand 15715 states and 17506 transitions. Second operand 3 states. [2020-12-22 02:00:15,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:15,286 INFO L93 Difference]: Finished difference Result 34116 states and 38440 transitions. [2020-12-22 02:00:15,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:00:15,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 627 [2020-12-22 02:00:15,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:15,334 INFO L225 Difference]: With dead ends: 34116 [2020-12-22 02:00:15,334 INFO L226 Difference]: Without dead ends: 19303 [2020-12-22 02:00:15,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 02:00:15,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19303 states. [2020-12-22 02:00:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19303 to 19003. [2020-12-22 02:00:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19003 states. [2020-12-22 02:00:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19003 states to 19003 states and 21273 transitions. [2020-12-22 02:00:15,650 INFO L78 Accepts]: Start accepts. Automaton has 19003 states and 21273 transitions. Word has length 627 [2020-12-22 02:00:15,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:15,651 INFO L481 AbstractCegarLoop]: Abstraction has 19003 states and 21273 transitions. [2020-12-22 02:00:15,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:00:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 19003 states and 21273 transitions. [2020-12-22 02:00:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2020-12-22 02:00:15,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:15,673 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:15,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 02:00:15,673 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:15,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:15,674 INFO L82 PathProgramCache]: Analyzing trace with hash -539156564, now seen corresponding path program 1 times [2020-12-22 02:00:15,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:15,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691443752] [2020-12-22 02:00:15,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 705 proven. 338 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-12-22 02:00:17,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691443752] [2020-12-22 02:00:17,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115995147] [2020-12-22 02:00:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:00:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:17,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 02:00:17,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 02:00:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2020-12-22 02:00:18,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 02:00:18,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-12-22 02:00:18,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968539174] [2020-12-22 02:00:18,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:00:18,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:18,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:00:18,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 02:00:18,650 INFO L87 Difference]: Start difference. First operand 19003 states and 21273 transitions. Second operand 3 states. [2020-12-22 02:00:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:21,166 INFO L93 Difference]: Finished difference Result 40997 states and 45822 transitions. [2020-12-22 02:00:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:00:21,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 737 [2020-12-22 02:00:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:21,207 INFO L225 Difference]: With dead ends: 40997 [2020-12-22 02:00:21,208 INFO L226 Difference]: Without dead ends: 21996 [2020-12-22 02:00:21,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 737 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 02:00:21,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21996 states. [2020-12-22 02:00:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21996 to 21988. [2020-12-22 02:00:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21988 states. [2020-12-22 02:00:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21988 states to 21988 states and 24199 transitions. [2020-12-22 02:00:21,729 INFO L78 Accepts]: Start accepts. Automaton has 21988 states and 24199 transitions. Word has length 737 [2020-12-22 02:00:21,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:21,730 INFO L481 AbstractCegarLoop]: Abstraction has 21988 states and 24199 transitions. [2020-12-22 02:00:21,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:00:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21988 states and 24199 transitions. [2020-12-22 02:00:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2020-12-22 02:00:21,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:21,754 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:21,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:00:21,971 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash -575651241, now seen corresponding path program 1 times [2020-12-22 02:00:21,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:21,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177169070] [2020-12-22 02:00:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-12-22 02:00:22,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177169070] [2020-12-22 02:00:22,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:00:22,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 02:00:22,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996541893] [2020-12-22 02:00:22,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 02:00:22,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:22,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 02:00:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 02:00:22,844 INFO L87 Difference]: Start difference. First operand 21988 states and 24199 transitions. Second operand 5 states. [2020-12-22 02:00:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:26,354 INFO L93 Difference]: Finished difference Result 44162 states and 48584 transitions. [2020-12-22 02:00:26,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 02:00:26,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 757 [2020-12-22 02:00:26,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:26,388 INFO L225 Difference]: With dead ends: 44162 [2020-12-22 02:00:26,388 INFO L226 Difference]: Without dead ends: 22176 [2020-12-22 02:00:26,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 02:00:26,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22176 states. [2020-12-22 02:00:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22176 to 21988. [2020-12-22 02:00:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21988 states. [2020-12-22 02:00:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21988 states to 21988 states and 23684 transitions. [2020-12-22 02:00:26,740 INFO L78 Accepts]: Start accepts. Automaton has 21988 states and 23684 transitions. Word has length 757 [2020-12-22 02:00:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:26,741 INFO L481 AbstractCegarLoop]: Abstraction has 21988 states and 23684 transitions. [2020-12-22 02:00:26,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 02:00:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 21988 states and 23684 transitions. [2020-12-22 02:00:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2020-12-22 02:00:26,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:26,766 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:26,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 02:00:26,767 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:26,768 INFO L82 PathProgramCache]: Analyzing trace with hash 775079435, now seen corresponding path program 1 times [2020-12-22 02:00:26,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:26,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157058433] [2020-12-22 02:00:26,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2020-12-22 02:00:27,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157058433] [2020-12-22 02:00:27,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:00:27,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 02:00:27,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506240123] [2020-12-22 02:00:27,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:00:27,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:27,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:00:27,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 02:00:27,631 INFO L87 Difference]: Start difference. First operand 21988 states and 23684 transitions. Second operand 3 states. [2020-12-22 02:00:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:30,408 INFO L93 Difference]: Finished difference Result 43969 states and 47406 transitions. [2020-12-22 02:00:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:00:30,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 759 [2020-12-22 02:00:30,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:30,440 INFO L225 Difference]: With dead ends: 43969 [2020-12-22 02:00:30,440 INFO L226 Difference]: Without dead ends: 23480 [2020-12-22 02:00:30,459 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 02:00:30,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23480 states. [2020-12-22 02:00:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23480 to 11755. [2020-12-22 02:00:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11755 states. [2020-12-22 02:00:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11755 states to 11755 states and 12643 transitions. [2020-12-22 02:00:30,691 INFO L78 Accepts]: Start accepts. Automaton has 11755 states and 12643 transitions. Word has length 759 [2020-12-22 02:00:30,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:30,692 INFO L481 AbstractCegarLoop]: Abstraction has 11755 states and 12643 transitions. [2020-12-22 02:00:30,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:00:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 11755 states and 12643 transitions. [2020-12-22 02:00:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2020-12-22 02:00:30,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:30,709 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:30,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 02:00:30,710 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:30,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:30,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1217431788, now seen corresponding path program 1 times [2020-12-22 02:00:30,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:30,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318391851] [2020-12-22 02:00:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 621 proven. 188 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-12-22 02:00:33,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318391851] [2020-12-22 02:00:33,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065833401] [2020-12-22 02:00:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:00:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:33,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 02:00:33,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 02:00:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 667 proven. 122 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-22 02:00:34,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 02:00:34,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-12-22 02:00:34,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777335723] [2020-12-22 02:00:34,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 02:00:34,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:34,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 02:00:34,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-22 02:00:34,704 INFO L87 Difference]: Start difference. First operand 11755 states and 12643 transitions. Second operand 8 states. [2020-12-22 02:00:48,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:00:48,109 INFO L93 Difference]: Finished difference Result 26938 states and 28821 transitions. [2020-12-22 02:00:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-22 02:00:48,111 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 774 [2020-12-22 02:00:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:00:48,135 INFO L225 Difference]: With dead ends: 26938 [2020-12-22 02:00:48,136 INFO L226 Difference]: Without dead ends: 14883 [2020-12-22 02:00:48,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 781 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-12-22 02:00:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2020-12-22 02:00:48,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 12653. [2020-12-22 02:00:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12653 states. [2020-12-22 02:00:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12653 states to 12653 states and 13558 transitions. [2020-12-22 02:00:48,365 INFO L78 Accepts]: Start accepts. Automaton has 12653 states and 13558 transitions. Word has length 774 [2020-12-22 02:00:48,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:00:48,366 INFO L481 AbstractCegarLoop]: Abstraction has 12653 states and 13558 transitions. [2020-12-22 02:00:48,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 02:00:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 12653 states and 13558 transitions. [2020-12-22 02:00:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 793 [2020-12-22 02:00:48,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:00:48,384 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:48,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 02:00:48,598 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:00:48,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:00:48,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1707714690, now seen corresponding path program 1 times [2020-12-22 02:00:48,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:00:48,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073449895] [2020-12-22 02:00:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:00:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 452 proven. 457 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-22 02:00:50,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073449895] [2020-12-22 02:00:50,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044786467] [2020-12-22 02:00:50,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:00:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:00:51,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 02:00:51,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 02:00:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 596 proven. 46 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-12-22 02:00:52,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 02:00:52,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2020-12-22 02:00:52,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410250048] [2020-12-22 02:00:52,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 02:00:52,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:00:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 02:00:52,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-22 02:00:52,877 INFO L87 Difference]: Start difference. First operand 12653 states and 13558 transitions. Second operand 8 states. [2020-12-22 02:01:05,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:05,764 INFO L93 Difference]: Finished difference Result 30262 states and 32483 transitions. [2020-12-22 02:01:05,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-22 02:01:05,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 792 [2020-12-22 02:01:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:05,789 INFO L225 Difference]: With dead ends: 30262 [2020-12-22 02:01:05,790 INFO L226 Difference]: Without dead ends: 17608 [2020-12-22 02:01:05,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-12-22 02:01:05,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17608 states. [2020-12-22 02:01:05,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17608 to 15643. [2020-12-22 02:01:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15643 states. [2020-12-22 02:01:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 16837 transitions. [2020-12-22 02:01:05,986 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 16837 transitions. Word has length 792 [2020-12-22 02:01:05,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:05,986 INFO L481 AbstractCegarLoop]: Abstraction has 15643 states and 16837 transitions. [2020-12-22 02:01:05,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 02:01:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 16837 transitions. [2020-12-22 02:01:06,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2020-12-22 02:01:06,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:06,004 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:06,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 02:01:06,210 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:06,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1010886192, now seen corresponding path program 1 times [2020-12-22 02:01:06,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:06,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528219859] [2020-12-22 02:01:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2020-12-22 02:01:07,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528219859] [2020-12-22 02:01:07,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:01:07,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 02:01:07,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940968519] [2020-12-22 02:01:07,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 02:01:07,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:07,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 02:01:07,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 02:01:07,061 INFO L87 Difference]: Start difference. First operand 15643 states and 16837 transitions. Second operand 4 states. [2020-12-22 02:01:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:12,876 INFO L93 Difference]: Finished difference Result 40602 states and 43770 transitions. [2020-12-22 02:01:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 02:01:12,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 798 [2020-12-22 02:01:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:12,989 INFO L225 Difference]: With dead ends: 40602 [2020-12-22 02:01:12,989 INFO L226 Difference]: Without dead ends: 24662 [2020-12-22 02:01:12,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 02:01:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24662 states. [2020-12-22 02:01:13,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24662 to 22238. [2020-12-22 02:01:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22238 states. [2020-12-22 02:01:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 23860 transitions. [2020-12-22 02:01:13,213 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 23860 transitions. Word has length 798 [2020-12-22 02:01:13,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:13,214 INFO L481 AbstractCegarLoop]: Abstraction has 22238 states and 23860 transitions. [2020-12-22 02:01:13,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 02:01:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 23860 transitions. [2020-12-22 02:01:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2020-12-22 02:01:13,243 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:13,244 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 02:01:13,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 02:01:13,244 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:13,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1543420195, now seen corresponding path program 1 times [2020-12-22 02:01:13,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:13,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195856145] [2020-12-22 02:01:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1484 proven. 336 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-12-22 02:01:15,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195856145] [2020-12-22 02:01:15,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711886267] [2020-12-22 02:01:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:01:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:16,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 02:01:16,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 02:01:17,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 02:01:17,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 02:01:17,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 02:01:17,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 02:01:17,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,553 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:17,674 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:17,928 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:18,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 02:01:18,216 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:18,298 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:18,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 02:01:18,587 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:19,088 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:20,192 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:21,450 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:22,949 INFO L757 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:24,500 INFO L757 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:26,195 INFO L757 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:26,967 INFO L757 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:28,056 INFO L757 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:29,071 INFO L757 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:29,949 INFO L757 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 02:01:29,995 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2020-12-22 02:01:29,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-22 02:01:29,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-12-22 02:01:29,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964647520] [2020-12-22 02:01:29,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 02:01:29,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:29,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 02:01:29,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 02:01:29,997 INFO L87 Difference]: Start difference. First operand 22238 states and 23860 transitions. Second operand 4 states. [2020-12-22 02:01:34,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:34,938 INFO L93 Difference]: Finished difference Result 48978 states and 52442 transitions. [2020-12-22 02:01:34,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 02:01:34,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1079 [2020-12-22 02:01:34,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:34,972 INFO L225 Difference]: With dead ends: 48978 [2020-12-22 02:01:34,972 INFO L226 Difference]: Without dead ends: 26742 [2020-12-22 02:01:34,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 1033 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 02:01:35,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26742 states. [2020-12-22 02:01:35,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26742 to 24333. [2020-12-22 02:01:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24333 states. [2020-12-22 02:01:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24333 states to 24333 states and 26050 transitions. [2020-12-22 02:01:35,291 INFO L78 Accepts]: Start accepts. Automaton has 24333 states and 26050 transitions. Word has length 1079 [2020-12-22 02:01:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:35,292 INFO L481 AbstractCegarLoop]: Abstraction has 24333 states and 26050 transitions. [2020-12-22 02:01:35,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 02:01:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 24333 states and 26050 transitions. [2020-12-22 02:01:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2020-12-22 02:01:35,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:35,315 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 02:01:35,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 02:01:35,525 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:35,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1142666948, now seen corresponding path program 1 times [2020-12-22 02:01:35,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:35,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034143975] [2020-12-22 02:01:35,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1428 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2020-12-22 02:01:36,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034143975] [2020-12-22 02:01:36,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:01:36,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 02:01:36,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228379811] [2020-12-22 02:01:36,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:01:36,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:36,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:01:36,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 02:01:36,678 INFO L87 Difference]: Start difference. First operand 24333 states and 26050 transitions. Second operand 3 states. [2020-12-22 02:01:39,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:39,724 INFO L93 Difference]: Finished difference Result 51070 states and 54627 transitions. [2020-12-22 02:01:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:01:39,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1095 [2020-12-22 02:01:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:39,755 INFO L225 Difference]: With dead ends: 51070 [2020-12-22 02:01:39,755 INFO L226 Difference]: Without dead ends: 26739 [2020-12-22 02:01:39,769 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 02:01:39,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26739 states. [2020-12-22 02:01:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26739 to 23731. [2020-12-22 02:01:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23731 states. [2020-12-22 02:01:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23731 states to 23731 states and 25171 transitions. [2020-12-22 02:01:40,016 INFO L78 Accepts]: Start accepts. Automaton has 23731 states and 25171 transitions. Word has length 1095 [2020-12-22 02:01:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:40,017 INFO L481 AbstractCegarLoop]: Abstraction has 23731 states and 25171 transitions. [2020-12-22 02:01:40,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:01:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 23731 states and 25171 transitions. [2020-12-22 02:01:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2020-12-22 02:01:40,046 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:40,047 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 02:01:40,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 02:01:40,048 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:40,048 INFO L82 PathProgramCache]: Analyzing trace with hash -2097392792, now seen corresponding path program 1 times [2020-12-22 02:01:40,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:40,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433676469] [2020-12-22 02:01:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 1402 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-12-22 02:01:42,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433676469] [2020-12-22 02:01:42,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:01:42,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 02:01:42,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651810224] [2020-12-22 02:01:42,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 02:01:42,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:42,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 02:01:42,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 02:01:42,427 INFO L87 Difference]: Start difference. First operand 23731 states and 25171 transitions. Second operand 5 states. [2020-12-22 02:01:48,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:48,798 INFO L93 Difference]: Finished difference Result 52180 states and 55320 transitions. [2020-12-22 02:01:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 02:01:48,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1096 [2020-12-22 02:01:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:48,842 INFO L225 Difference]: With dead ends: 52180 [2020-12-22 02:01:48,843 INFO L226 Difference]: Without dead ends: 28451 [2020-12-22 02:01:48,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-22 02:01:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28451 states. [2020-12-22 02:01:49,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28451 to 24031. [2020-12-22 02:01:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24031 states. [2020-12-22 02:01:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 25483 transitions. [2020-12-22 02:01:49,308 INFO L78 Accepts]: Start accepts. Automaton has 24031 states and 25483 transitions. Word has length 1096 [2020-12-22 02:01:49,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:49,308 INFO L481 AbstractCegarLoop]: Abstraction has 24031 states and 25483 transitions. [2020-12-22 02:01:49,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 02:01:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 24031 states and 25483 transitions. [2020-12-22 02:01:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2020-12-22 02:01:49,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:49,342 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 02:01:49,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 02:01:49,342 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1849243582, now seen corresponding path program 1 times [2020-12-22 02:01:49,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:49,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678015079] [2020-12-22 02:01:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 992 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2020-12-22 02:01:50,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678015079] [2020-12-22 02:01:50,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:01:50,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 02:01:50,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844959150] [2020-12-22 02:01:50,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 02:01:50,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:50,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 02:01:50,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 02:01:50,900 INFO L87 Difference]: Start difference. First operand 24031 states and 25483 transitions. Second operand 4 states. [2020-12-22 02:01:56,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:01:56,907 INFO L93 Difference]: Finished difference Result 55877 states and 59272 transitions. [2020-12-22 02:01:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 02:01:56,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1120 [2020-12-22 02:01:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:01:56,943 INFO L225 Difference]: With dead ends: 55877 [2020-12-22 02:01:56,943 INFO L226 Difference]: Without dead ends: 31549 [2020-12-22 02:01:56,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 02:01:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31549 states. [2020-12-22 02:01:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31549 to 29126. [2020-12-22 02:01:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29126 states. [2020-12-22 02:01:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29126 states to 29126 states and 30967 transitions. [2020-12-22 02:01:57,261 INFO L78 Accepts]: Start accepts. Automaton has 29126 states and 30967 transitions. Word has length 1120 [2020-12-22 02:01:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:01:57,261 INFO L481 AbstractCegarLoop]: Abstraction has 29126 states and 30967 transitions. [2020-12-22 02:01:57,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 02:01:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29126 states and 30967 transitions. [2020-12-22 02:01:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2020-12-22 02:01:57,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 02:01:57,293 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 02:01:57,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 02:01:57,294 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 02:01:57,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 02:01:57,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1426421066, now seen corresponding path program 1 times [2020-12-22 02:01:57,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 02:01:57,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233403138] [2020-12-22 02:01:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 02:01:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 02:01:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1577 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-12-22 02:01:58,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233403138] [2020-12-22 02:01:58,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 02:01:58,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 02:01:58,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617505030] [2020-12-22 02:01:58,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 02:01:58,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 02:01:58,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 02:01:58,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 02:01:58,768 INFO L87 Difference]: Start difference. First operand 29126 states and 30967 transitions. Second operand 3 states. [2020-12-22 02:02:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 02:02:01,785 INFO L93 Difference]: Finished difference Result 59737 states and 63497 transitions. [2020-12-22 02:02:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 02:02:01,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1272 [2020-12-22 02:02:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 02:02:01,788 INFO L225 Difference]: With dead ends: 59737 [2020-12-22 02:02:01,789 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 02:02:01,807 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 02:02:01,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 02:02:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 02:02:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 02:02:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 02:02:01,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1272 [2020-12-22 02:02:01,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 02:02:01,808 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 02:02:01,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 02:02:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 02:02:01,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 02:02:01,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 02:02:01,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 02:02:05,548 WARN L197 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 1065 DAG size of output: 794 [2020-12-22 02:02:06,406 WARN L197 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 439 [2020-12-22 02:02:09,018 WARN L197 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1063 DAG size of output: 792 [2020-12-22 02:02:19,113 WARN L197 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 699 DAG size of output: 66 [2020-12-22 02:02:23,935 WARN L197 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 409 DAG size of output: 62 [2020-12-22 02:02:34,139 WARN L197 SmtUtils]: Spent 10.20 s on a formula simplification. DAG size of input: 696 DAG size of output: 66 [2020-12-22 02:02:34,146 INFO L189 CegarLoopUtils]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,146 INFO L189 CegarLoopUtils]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,147 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 02:02:34,148 INFO L189 CegarLoopUtils]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 02:02:34,149 INFO L189 CegarLoopUtils]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,150 INFO L189 CegarLoopUtils]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,151 INFO L189 CegarLoopUtils]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,152 INFO L189 CegarLoopUtils]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,153 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 02:02:34,153 INFO L189 CegarLoopUtils]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,153 INFO L189 CegarLoopUtils]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,154 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-12-22 02:02:34,155 INFO L189 CegarLoopUtils]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 02:02:34,156 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 02:02:34,157 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2020-12-22 02:02:34,157 INFO L189 CegarLoopUtils]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,157 INFO L189 CegarLoopUtils]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,157 INFO L189 CegarLoopUtils]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-12-22 02:02:34,158 INFO L189 CegarLoopUtils]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 02:02:34,159 INFO L189 CegarLoopUtils]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,160 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 02:02:34,161 INFO L189 CegarLoopUtils]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,161 INFO L189 CegarLoopUtils]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,161 INFO L189 CegarLoopUtils]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,161 INFO L189 CegarLoopUtils]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,161 INFO L189 CegarLoopUtils]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,162 INFO L189 CegarLoopUtils]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,163 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,164 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 02:02:34,165 INFO L189 CegarLoopUtils]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,166 INFO L189 CegarLoopUtils]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-12-22 02:02:34,167 INFO L189 CegarLoopUtils]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,168 INFO L189 CegarLoopUtils]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,221 INFO L189 CegarLoopUtils]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-12-22 02:02:34,222 INFO L189 CegarLoopUtils]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-12-22 02:02:34,222 INFO L189 CegarLoopUtils]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-12-22 02:02:34,222 INFO L189 CegarLoopUtils]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-12-22 02:02:34,222 INFO L189 CegarLoopUtils]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,222 INFO L189 CegarLoopUtils]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 02:02:34,223 INFO L189 CegarLoopUtils]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 02:02:34,224 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,225 INFO L189 CegarLoopUtils]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,226 INFO L185 CegarLoopUtils]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse0 (= ~a2~0 4))) (let ((.cse4 (= 3 ~a2~0)) (.cse6 (not .cse0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse5 (< 0 (+ ~a0~0 147))) (.cse10 (<= 0 (+ ~a29~0 142))) (.cse8 (<= ~a2~0 2)) (.cse2 (<= (+ ~a4~0 42) 0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse9 (< 0 (+ ~a4~0 86))) (.cse7 (<= 0 (+ ~a29~0 599999)))) (or (and (<= (+ ~a29~0 18) 0) .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 (<= 0 (+ ~a29~0 31)) .cse5) (and .cse3 .cse6 .cse1) (and .cse2 (= ~a2~0 1)) (and .cse4 .cse7 .cse1) (and .cse2 .cse8 .cse9) (and .cse2 .cse3 .cse6 .cse10) (and .cse1 (<= 220362 ~a29~0)) (and .cse3 .cse8) (and .cse2 .cse5 .cse0 .cse7) (and .cse2 .cse8 .cse10) (and .cse2 .cse8 (<= 2 ~a2~0) .cse7) (and .cse2 .cse3 .cse9 .cse7)))) [2020-12-22 02:02:34,226 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-12-22 02:02:34,227 INFO L189 CegarLoopUtils]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L192 CegarLoopUtils]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,228 INFO L189 CegarLoopUtils]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,229 INFO L189 CegarLoopUtils]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L185 CegarLoopUtils]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse0 (= ~a2~0 4))) (let ((.cse3 (= 3 ~a2~0)) (.cse7 (not .cse0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse6 (< 0 (+ ~a0~0 147))) (.cse10 (<= 0 (+ ~a29~0 142))) (.cse8 (<= ~a2~0 2)) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse5 (<= (+ ~a0~0 61) 0)) (.cse9 (< 0 (+ ~a4~0 86))) (.cse2 (<= 0 (+ ~a29~0 599999)))) (or (and (<= (+ ~a29~0 18) 0) .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3) (and .cse4 (<= 0 (+ ~a29~0 31)) .cse6) (and .cse5 .cse7 .cse1) (and .cse4 .cse8 .cse9) (and .cse4 (= ~a2~0 1)) (and .cse4 .cse5 .cse7 .cse10) (and .cse1 (<= 220362 ~a29~0)) (and .cse5 .cse8) (and .cse4 .cse6 .cse0 .cse2) (and .cse4 .cse8 .cse10) (and .cse4 .cse8 (<= 2 ~a2~0) .cse2) (and .cse4 .cse5 .cse9 .cse2)))) [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,230 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,231 INFO L189 CegarLoopUtils]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,232 INFO L189 CegarLoopUtils]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,233 INFO L189 CegarLoopUtils]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 02:02:34,234 INFO L189 CegarLoopUtils]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L185 CegarLoopUtils]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse0 (= ~a2~0 4))) (let ((.cse3 (= 3 ~a2~0)) (.cse7 (not .cse0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse6 (< 0 (+ ~a0~0 147))) (.cse10 (<= 0 (+ ~a29~0 142))) (.cse8 (<= ~a2~0 2)) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse5 (<= (+ ~a0~0 61) 0)) (.cse9 (< 0 (+ ~a4~0 86))) (.cse2 (<= 0 (+ ~a29~0 599999)))) (or (and (<= (+ ~a29~0 18) 0) .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3) (and .cse4 (<= 0 (+ ~a29~0 31)) .cse6) (and .cse5 .cse7 .cse1) (and .cse4 .cse8 .cse9) (and .cse4 (= ~a2~0 1)) (and .cse4 .cse5 .cse7 .cse10) (and .cse1 (<= 220362 ~a29~0)) (and .cse5 .cse8) (and .cse4 .cse6 .cse0 .cse2) (and .cse4 .cse8 .cse10) (and .cse4 .cse8 (<= 2 ~a2~0) .cse2) (and .cse4 .cse5 .cse9 .cse2)))) [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 02:02:34,235 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,236 INFO L189 CegarLoopUtils]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,237 INFO L189 CegarLoopUtils]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-12-22 02:02:34,238 INFO L189 CegarLoopUtils]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 02:02:34,239 INFO L189 CegarLoopUtils]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,240 INFO L189 CegarLoopUtils]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 02:02:34,241 INFO L189 CegarLoopUtils]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,242 INFO L189 CegarLoopUtils]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-12-22 02:02:34,242 INFO L189 CegarLoopUtils]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,242 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 02:02:34,242 INFO L189 CegarLoopUtils]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-12-22 02:02:34,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 02:02:34 BoogieIcfgContainer [2020-12-22 02:02:34,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 02:02:34,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 02:02:34,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 02:02:34,281 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 02:02:34,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:59:17" (3/4) ... [2020-12-22 02:02:34,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 02:02:34,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-22 02:02:34,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 02:02:34,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 02:02:34,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 02:02:34,637 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem15_label13.c-witness.graphml [2020-12-22 02:02:34,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 02:02:34,639 INFO L168 Benchmark]: Toolchain (without parser) took 203278.42 ms. Allocated memory was 154.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 124.2 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 469.5 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,639 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 02:02:34,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1628.62 ms. Allocated memory is still 154.1 MB. Free memory was 124.0 MB in the beginning and 79.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 351.40 ms. Allocated memory is still 154.1 MB. Free memory was 79.8 MB in the beginning and 103.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,640 INFO L168 Benchmark]: Boogie Preprocessor took 286.45 ms. Allocated memory was 154.1 MB in the beginning and 244.3 MB in the end (delta: 90.2 MB). Free memory was 103.2 MB in the beginning and 180.8 MB in the end (delta: -77.5 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,641 INFO L168 Benchmark]: RCFGBuilder took 3757.74 ms. Allocated memory was 244.3 MB in the beginning and 397.4 MB in the end (delta: 153.1 MB). Free memory was 180.7 MB in the beginning and 319.8 MB in the end (delta: -139.1 MB). Peak memory consumption was 108.0 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,641 INFO L168 Benchmark]: TraceAbstraction took 196885.21 ms. Allocated memory was 397.4 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 319.3 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,641 INFO L168 Benchmark]: Witness Printer took 357.14 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2020-12-22 02:02:34,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1628.62 ms. Allocated memory is still 154.1 MB. Free memory was 124.0 MB in the beginning and 79.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 351.40 ms. Allocated memory is still 154.1 MB. Free memory was 79.8 MB in the beginning and 103.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 58.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 286.45 ms. Allocated memory was 154.1 MB in the beginning and 244.3 MB in the end (delta: 90.2 MB). Free memory was 103.2 MB in the beginning and 180.8 MB in the end (delta: -77.5 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3757.74 ms. Allocated memory was 244.3 MB in the beginning and 397.4 MB in the end (delta: 153.1 MB). Free memory was 180.7 MB in the beginning and 319.8 MB in the end (delta: -139.1 MB). Peak memory consumption was 108.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 196885.21 ms. Allocated memory was 397.4 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 319.3 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. * Witness Printer took 357.14 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 161]: 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: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((a29 + 18 <= 0 && a2 == 4) && a4 + 89 <= 0) || ((0 <= a29 + 599999 && 3 == a2) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && 0 <= a29 + 31) && 0 < a0 + 147)) || ((a0 + 61 <= 0 && !(a2 == 4)) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86)) || (a4 + 42 <= 0 && a2 == 1)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && !(a2 == 4)) && 0 <= a29 + 142)) || (a4 + 89 <= 0 && 220362 <= a29)) || (a0 + 61 <= 0 && a2 <= 2)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && a2 == 4) && 0 <= a29 + 599999)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 <= a29 + 142)) || (((a4 + 42 <= 0 && a2 <= 2) && 2 <= a2) && 0 <= a29 + 599999)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 0 <= a29 + 599999) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((a29 + 18 <= 0 && a2 == 4) && a4 + 89 <= 0) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && 0 <= a29 + 31) && 0 < a0 + 147)) || ((a0 + 61 <= 0 && !(a2 == 4)) && a4 + 89 <= 0)) || (a4 + 42 <= 0 && a2 == 1)) || ((3 == a2 && 0 <= a29 + 599999) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && !(a2 == 4)) && 0 <= a29 + 142)) || (a4 + 89 <= 0 && 220362 <= a29)) || (a0 + 61 <= 0 && a2 <= 2)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && a2 == 4) && 0 <= a29 + 599999)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 <= a29 + 142)) || (((a4 + 42 <= 0 && a2 <= 2) && 2 <= a2) && 0 <= a29 + 599999)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 0 <= a29 + 599999) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((a29 + 18 <= 0 && a2 == 4) && a4 + 89 <= 0) || ((0 <= a29 + 599999 && 3 == a2) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && 0 <= a29 + 31) && 0 < a0 + 147)) || ((a0 + 61 <= 0 && !(a2 == 4)) && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86)) || (a4 + 42 <= 0 && a2 == 1)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && !(a2 == 4)) && 0 <= a29 + 142)) || (a4 + 89 <= 0 && 220362 <= a29)) || (a0 + 61 <= 0 && a2 <= 2)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && a2 == 4) && 0 <= a29 + 599999)) || ((a4 + 42 <= 0 && a2 <= 2) && 0 <= a29 + 142)) || (((a4 + 42 <= 0 && a2 <= 2) && 2 <= a2) && 0 <= a29 + 599999)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 0 <= a29 + 599999) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 164.3s, OverallIterations: 23, TraceHistogramMax: 7, AutomataDifference: 108.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 32.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5799 SDtfs, 12666 SDslu, 1343 SDs, 0 SdLazy, 37536 SolverSat, 5551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4657 GetRequests, 4573 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29126occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 23 MinimizatonAttempts, 39837 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 362 NumberOfFragments, 619 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1543088 FormulaSimplificationTreeSizeReduction, 7.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1311729 FormulaSimplificationTreeSizeReductionInter, 25.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 18346 NumberOfCodeBlocks, 18346 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 18317 ConstructedInterpolants, 0 QuantifiedInterpolants, 52281559 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4333 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 19 PerfectInterpolantSequences, 22797/24595 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...