/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/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:28:02,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:28:02,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:28:02,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-21 23:28:02,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:28:02,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:28:02,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:28:02,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:28:02,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:28:02,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:28:02,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:28:02,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:28:02,918 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:28:02,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:28:02,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:28:02,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:28:02,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:28:02,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:28:02,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:28:02,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:28:02,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:28:02,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:28:02,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:28:02,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:28:02,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:28:02,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:28:02,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:28:02,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:28:02,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:28:03,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:28:03,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:28:03,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:28:03,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:28:03,335 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:28:03,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-12-21 23:28:03,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537cf1653/d26caa660d41432da78bde346cd39b1f/FLAGd2bcd7b78 [2020-12-21 23:28:04,202 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:28:04,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-12-21 23:28:04,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537cf1653/d26caa660d41432da78bde346cd39b1f/FLAGd2bcd7b78 [2020-12-21 23:28:04,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537cf1653/d26caa660d41432da78bde346cd39b1f [2020-12-21 23:28:04,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:28:04,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:28:04,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:28:04,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:28:04,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:28:04,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:28:04" (1/1) ... [2020-12-21 23:28:04,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eabc004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:04, skipping insertion in model container [2020-12-21 23:28:04,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:28:04" (1/1) ... [2020-12-21 23:28:04,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:28:04,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:28:04,921 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/Problem01_label41.c[16127,16140] [2020-12-21 23:28:04,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:28:04,968 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:28:05,077 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/Problem01_label41.c[16127,16140] [2020-12-21 23:28:05,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:28:05,148 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:28:05,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05 WrapperNode [2020-12-21 23:28:05,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:28:05,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:28:05,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:28:05,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:28:05,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:28:05,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:28:05,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:28:05,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:28:05,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (1/1) ... [2020-12-21 23:28:05,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:28:05,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:28:05,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:28:05,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:28:05,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (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 [2020-12-21 23:28:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:28:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:28:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:28:05,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:28:06,803 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:28:06,803 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-21 23:28:06,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:28:06 BoogieIcfgContainer [2020-12-21 23:28:06,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:28:06,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:28:06,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:28:06,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:28:06,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:28:04" (1/3) ... [2020-12-21 23:28:06,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0bfbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:28:06, skipping insertion in model container [2020-12-21 23:28:06,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:28:05" (2/3) ... [2020-12-21 23:28:06,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0bfbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:28:06, skipping insertion in model container [2020-12-21 23:28:06,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:28:06" (3/3) ... [2020-12-21 23:28:06,817 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-12-21 23:28:06,824 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:28:06,830 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:28:06,851 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:28:06,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:28:06,883 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:28:06,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:28:06,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:28:06,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:28:06,883 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:28:06,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:28:06,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:28:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-21 23:28:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-21 23:28:06,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:06,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:28:06,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:06,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:06,925 INFO L82 PathProgramCache]: Analyzing trace with hash 867355110, now seen corresponding path program 1 times [2020-12-21 23:28:06,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:06,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559707799] [2020-12-21 23:28:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:28:07,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559707799] [2020-12-21 23:28:07,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:07,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:28:07,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301720537] [2020-12-21 23:28:07,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:07,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:07,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:07,449 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-21 23:28:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:08,297 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2020-12-21 23:28:08,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:08,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-21 23:28:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:08,344 INFO L225 Difference]: With dead ends: 528 [2020-12-21 23:28:08,344 INFO L226 Difference]: Without dead ends: 266 [2020-12-21 23:28:08,351 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 [2020-12-21 23:28:08,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-21 23:28:08,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-21 23:28:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-21 23:28:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-21 23:28:08,452 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 85 [2020-12-21 23:28:08,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:08,454 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-21 23:28:08,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-21 23:28:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-21 23:28:08,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:08,464 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-21 23:28:08,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:28:08,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:08,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1655802317, now seen corresponding path program 1 times [2020-12-21 23:28:08,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:08,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097904526] [2020-12-21 23:28:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:28:08,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097904526] [2020-12-21 23:28:08,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:08,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:28:08,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509274220] [2020-12-21 23:28:08,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:08,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:08,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:08,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:08,574 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-21 23:28:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:09,164 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-21 23:28:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:09,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-12-21 23:28:09,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:09,169 INFO L225 Difference]: With dead ends: 792 [2020-12-21 23:28:09,169 INFO L226 Difference]: Without dead ends: 528 [2020-12-21 23:28:09,172 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 [2020-12-21 23:28:09,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-21 23:28:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-21 23:28:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-21 23:28:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2020-12-21 23:28:09,194 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 91 [2020-12-21 23:28:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:09,195 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2020-12-21 23:28:09,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2020-12-21 23:28:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-21 23:28:09,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:09,199 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:28:09,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-21 23:28:09,200 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:09,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1915873080, now seen corresponding path program 1 times [2020-12-21 23:28:09,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:09,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486371709] [2020-12-21 23:28:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:28:09,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486371709] [2020-12-21 23:28:09,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:09,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:28:09,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545989364] [2020-12-21 23:28:09,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-21 23:28:09,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:09,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-21 23:28:09,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:28:09,382 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 4 states. [2020-12-21 23:28:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:10,473 INFO L93 Difference]: Finished difference Result 1316 states and 1742 transitions. [2020-12-21 23:28:10,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-21 23:28:10,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-21 23:28:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:10,479 INFO L225 Difference]: With dead ends: 1316 [2020-12-21 23:28:10,479 INFO L226 Difference]: Without dead ends: 790 [2020-12-21 23:28:10,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-21 23:28:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-12-21 23:28:10,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-12-21 23:28:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-21 23:28:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1000 transitions. [2020-12-21 23:28:10,503 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1000 transitions. Word has length 119 [2020-12-21 23:28:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:10,503 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1000 transitions. [2020-12-21 23:28:10,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-21 23:28:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1000 transitions. [2020-12-21 23:28:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-21 23:28:10,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:10,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:28:10,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-21 23:28:10,509 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:10,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:10,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2700462, now seen corresponding path program 1 times [2020-12-21 23:28:10,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:10,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707564371] [2020-12-21 23:28:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-21 23:28:10,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707564371] [2020-12-21 23:28:10,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:10,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:28:10,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231467049] [2020-12-21 23:28:10,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:10,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:10,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:10,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:10,643 INFO L87 Difference]: Start difference. First operand 790 states and 1000 transitions. Second operand 3 states. [2020-12-21 23:28:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:11,272 INFO L93 Difference]: Finished difference Result 1840 states and 2320 transitions. [2020-12-21 23:28:11,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:11,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-21 23:28:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:11,279 INFO L225 Difference]: With dead ends: 1840 [2020-12-21 23:28:11,279 INFO L226 Difference]: Without dead ends: 1052 [2020-12-21 23:28:11,281 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 [2020-12-21 23:28:11,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-21 23:28:11,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2020-12-21 23:28:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-21 23:28:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 988 transitions. [2020-12-21 23:28:11,305 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 988 transitions. Word has length 123 [2020-12-21 23:28:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:11,306 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 988 transitions. [2020-12-21 23:28:11,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 988 transitions. [2020-12-21 23:28:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-21 23:28:11,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:11,309 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:28:11,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-21 23:28:11,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:11,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1869699958, now seen corresponding path program 1 times [2020-12-21 23:28:11,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:11,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051521770] [2020-12-21 23:28:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-21 23:28:11,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051521770] [2020-12-21 23:28:11,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:11,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:28:11,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535596739] [2020-12-21 23:28:11,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:11,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:11,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:11,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:11,402 INFO L87 Difference]: Start difference. First operand 790 states and 988 transitions. Second operand 3 states. [2020-12-21 23:28:12,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:12,018 INFO L93 Difference]: Finished difference Result 1971 states and 2439 transitions. [2020-12-21 23:28:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:12,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-21 23:28:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:12,030 INFO L225 Difference]: With dead ends: 1971 [2020-12-21 23:28:12,030 INFO L226 Difference]: Without dead ends: 1052 [2020-12-21 23:28:12,032 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 [2020-12-21 23:28:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-21 23:28:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-12-21 23:28:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-21 23:28:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1192 transitions. [2020-12-21 23:28:12,083 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1192 transitions. Word has length 127 [2020-12-21 23:28:12,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:12,084 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1192 transitions. [2020-12-21 23:28:12,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1192 transitions. [2020-12-21 23:28:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-21 23:28:12,091 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:12,092 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-12-21 23:28:12,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-21 23:28:12,092 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:12,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:12,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1985753384, now seen corresponding path program 1 times [2020-12-21 23:28:12,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:12,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500366307] [2020-12-21 23:28:12,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-21 23:28:12,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500366307] [2020-12-21 23:28:12,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:12,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:28:12,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870245977] [2020-12-21 23:28:12,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:12,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:12,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:12,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:12,197 INFO L87 Difference]: Start difference. First operand 1052 states and 1192 transitions. Second operand 3 states. [2020-12-21 23:28:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:12,826 INFO L93 Difference]: Finished difference Result 2757 states and 3121 transitions. [2020-12-21 23:28:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:12,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-21 23:28:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:12,837 INFO L225 Difference]: With dead ends: 2757 [2020-12-21 23:28:12,837 INFO L226 Difference]: Without dead ends: 1707 [2020-12-21 23:28:12,840 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 [2020-12-21 23:28:12,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-12-21 23:28:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1314. [2020-12-21 23:28:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-21 23:28:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-12-21 23:28:12,875 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 136 [2020-12-21 23:28:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:12,875 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-12-21 23:28:12,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-12-21 23:28:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-12-21 23:28:12,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:12,880 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-21 23:28:12,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-21 23:28:12,880 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:12,881 INFO L82 PathProgramCache]: Analyzing trace with hash -663688046, now seen corresponding path program 1 times [2020-12-21 23:28:12,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:12,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595341862] [2020-12-21 23:28:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-21 23:28:13,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595341862] [2020-12-21 23:28:13,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:28:13,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:28:13,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827634164] [2020-12-21 23:28:13,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:13,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:13,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:13,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:28:13,018 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-12-21 23:28:13,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:13,513 INFO L93 Difference]: Finished difference Result 2888 states and 3281 transitions. [2020-12-21 23:28:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:13,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-12-21 23:28:13,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:13,522 INFO L225 Difference]: With dead ends: 2888 [2020-12-21 23:28:13,522 INFO L226 Difference]: Without dead ends: 1576 [2020-12-21 23:28:13,524 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 [2020-12-21 23:28:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-12-21 23:28:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-12-21 23:28:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-12-21 23:28:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1777 transitions. [2020-12-21 23:28:13,561 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1777 transitions. Word has length 152 [2020-12-21 23:28:13,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:13,561 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1777 transitions. [2020-12-21 23:28:13,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1777 transitions. [2020-12-21 23:28:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-21 23:28:13,566 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:13,566 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-12-21 23:28:13,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-21 23:28:13,566 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:13,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:13,567 INFO L82 PathProgramCache]: Analyzing trace with hash 763947048, now seen corresponding path program 1 times [2020-12-21 23:28:13,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:13,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761606618] [2020-12-21 23:28:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-21 23:28:13,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761606618] [2020-12-21 23:28:13,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469859157] [2020-12-21 23:28:13,713 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 [2020-12-21 23:28:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:13,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:28:13,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:28:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-21 23:28:14,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:28:14,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-21 23:28:14,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686139742] [2020-12-21 23:28:14,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:14,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:14,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:14,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:14,194 INFO L87 Difference]: Start difference. First operand 1576 states and 1777 transitions. Second operand 3 states. [2020-12-21 23:28:14,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:14,752 INFO L93 Difference]: Finished difference Result 3543 states and 4023 transitions. [2020-12-21 23:28:14,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:14,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-12-21 23:28:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:14,765 INFO L225 Difference]: With dead ends: 3543 [2020-12-21 23:28:14,766 INFO L226 Difference]: Without dead ends: 1969 [2020-12-21 23:28:14,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-12-21 23:28:14,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2020-12-21 23:28:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-12-21 23:28:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2057 transitions. [2020-12-21 23:28:14,824 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2057 transitions. Word has length 168 [2020-12-21 23:28:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:14,826 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2057 transitions. [2020-12-21 23:28:14,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2057 transitions. [2020-12-21 23:28:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-21 23:28:14,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:14,832 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-12-21 23:28:15,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-21 23:28:15,046 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:15,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:15,047 INFO L82 PathProgramCache]: Analyzing trace with hash 387053783, now seen corresponding path program 1 times [2020-12-21 23:28:15,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:15,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146352220] [2020-12-21 23:28:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-21 23:28:15,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146352220] [2020-12-21 23:28:15,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963339289] [2020-12-21 23:28:15,205 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 [2020-12-21 23:28:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:15,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:28:15,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:28:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-21 23:28:15,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:28:15,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-21 23:28:15,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341554515] [2020-12-21 23:28:15,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:15,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:15,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:15,565 INFO L87 Difference]: Start difference. First operand 1838 states and 2057 transitions. Second operand 3 states. [2020-12-21 23:28:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:16,073 INFO L93 Difference]: Finished difference Result 4198 states and 4722 transitions. [2020-12-21 23:28:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:16,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-21 23:28:16,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:16,085 INFO L225 Difference]: With dead ends: 4198 [2020-12-21 23:28:16,086 INFO L226 Difference]: Without dead ends: 2362 [2020-12-21 23:28:16,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:16,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-21 23:28:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2020-12-21 23:28:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-12-21 23:28:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2354 transitions. [2020-12-21 23:28:16,140 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2354 transitions. Word has length 174 [2020-12-21 23:28:16,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:16,141 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2354 transitions. [2020-12-21 23:28:16,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2354 transitions. [2020-12-21 23:28:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-12-21 23:28:16,146 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:16,147 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-21 23:28:16,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:28:16,363 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:16,365 INFO L82 PathProgramCache]: Analyzing trace with hash 541829411, now seen corresponding path program 1 times [2020-12-21 23:28:16,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:16,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975242995] [2020-12-21 23:28:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-12-21 23:28:16,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975242995] [2020-12-21 23:28:16,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099528350] [2020-12-21 23:28:16,471 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 [2020-12-21 23:28:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:16,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:28:16,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:28:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-21 23:28:16,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:28:16,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-21 23:28:16,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891007043] [2020-12-21 23:28:16,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:16,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:16,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:16,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:16,789 INFO L87 Difference]: Start difference. First operand 2100 states and 2354 transitions. Second operand 3 states. [2020-12-21 23:28:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:17,333 INFO L93 Difference]: Finished difference Result 4984 states and 5570 transitions. [2020-12-21 23:28:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:17,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-12-21 23:28:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:17,347 INFO L225 Difference]: With dead ends: 4984 [2020-12-21 23:28:17,347 INFO L226 Difference]: Without dead ends: 2886 [2020-12-21 23:28:17,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-12-21 23:28:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2755. [2020-12-21 23:28:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-12-21 23:28:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3057 transitions. [2020-12-21 23:28:17,410 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3057 transitions. Word has length 195 [2020-12-21 23:28:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:17,411 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3057 transitions. [2020-12-21 23:28:17,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3057 transitions. [2020-12-21 23:28:17,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-21 23:28:17,417 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:17,418 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:28:17,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-21 23:28:17,633 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:17,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1842773767, now seen corresponding path program 1 times [2020-12-21 23:28:17,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:17,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312440771] [2020-12-21 23:28:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-12-21 23:28:17,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312440771] [2020-12-21 23:28:17,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395617949] [2020-12-21 23:28:17,800 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 [2020-12-21 23:28:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:17,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:28:17,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:28:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-21 23:28:18,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:28:18,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-21 23:28:18,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848930381] [2020-12-21 23:28:18,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:18,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:18,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:18,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:18,089 INFO L87 Difference]: Start difference. First operand 2755 states and 3057 transitions. Second operand 3 states. [2020-12-21 23:28:18,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:18,538 INFO L93 Difference]: Finished difference Result 6032 states and 6689 transitions. [2020-12-21 23:28:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:18,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-12-21 23:28:18,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:18,555 INFO L225 Difference]: With dead ends: 6032 [2020-12-21 23:28:18,556 INFO L226 Difference]: Without dead ends: 3279 [2020-12-21 23:28:18,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-12-21 23:28:18,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2755. [2020-12-21 23:28:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-12-21 23:28:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3057 transitions. [2020-12-21 23:28:18,637 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3057 transitions. Word has length 214 [2020-12-21 23:28:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:18,638 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3057 transitions. [2020-12-21 23:28:18,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3057 transitions. [2020-12-21 23:28:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-12-21 23:28:18,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:28:18,646 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-21 23:28:18,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:28:18,862 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:28:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:28:18,863 INFO L82 PathProgramCache]: Analyzing trace with hash -675360257, now seen corresponding path program 1 times [2020-12-21 23:28:18,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:28:18,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924190050] [2020-12-21 23:28:18,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:28:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 127 proven. 3 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-12-21 23:28:19,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924190050] [2020-12-21 23:28:19,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447074254] [2020-12-21 23:28:19,012 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 [2020-12-21 23:28:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:28:19,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-21 23:28:19,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:28:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-21 23:28:19,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:28:19,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-21 23:28:19,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506642863] [2020-12-21 23:28:19,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:28:19,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:28:19,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:28:19,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:19,446 INFO L87 Difference]: Start difference. First operand 2755 states and 3057 transitions. Second operand 3 states. [2020-12-21 23:28:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:28:20,059 INFO L93 Difference]: Finished difference Result 4851 states and 5346 transitions. [2020-12-21 23:28:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:28:20,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-12-21 23:28:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:28:20,060 INFO L225 Difference]: With dead ends: 4851 [2020-12-21 23:28:20,060 INFO L226 Difference]: Without dead ends: 0 [2020-12-21 23:28:20,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-21 23:28:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-21 23:28:20,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-21 23:28:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-21 23:28:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-21 23:28:20,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-12-21 23:28:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:28:20,066 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-21 23:28:20,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:28:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-21 23:28:20,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 23:28:20,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-21 23:28:20,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-21 23:28:20,608 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-21 23:28:20,787 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-21 23:28:20,791 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-21 23:28:20,791 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-21 23:28:20,791 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,792 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-21 23:28:20,793 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-21 23:28:20,794 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-21 23:28:20,795 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-21 23:28:20,795 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-21 23:28:20,795 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-21 23:28:20,795 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-21 23:28:20,796 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-21 23:28:20,796 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-21 23:28:20,796 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,797 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-21 23:28:20,798 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-21 23:28:20,799 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-21 23:28:20,799 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-21 23:28:20,802 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-21 23:28:20,802 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-21 23:28:20,802 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-21 23:28:20,803 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-21 23:28:20,804 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-21 23:28:20,805 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-21 23:28:20,806 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-21 23:28:20,807 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-21 23:28:20,808 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-21 23:28:20,809 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-21 23:28:20,810 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-21 23:28:20,810 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-21 23:28:20,810 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-21 23:28:20,810 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-21 23:28:20,811 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-21 23:28:20,813 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1))) (let ((.cse5 (<= ~a7~0 0)) (.cse3 (<= ~a16~0 4)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a17~0 0)) (.cse8 (not .cse6)) (.cse2 (= ~a17~0 1)) (.cse9 (<= ~a16~0 5)) (.cse7 (<= ~a21~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and .cse3 .cse6 .cse2) (and .cse4 .cse8 .cse1) (and (<= 14 ~a8~0) .cse0 .cse4 .cse6) (and .cse9 .cse4 .cse8) (and .cse7 .cse6 .cse2) (and .cse9 .cse7)))) [2020-12-21 23:28:20,813 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,813 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,813 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-21 23:28:20,814 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-21 23:28:20,815 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,816 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-21 23:28:20,817 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,818 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-21 23:28:20,819 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,820 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1))) (let ((.cse5 (<= ~a7~0 0)) (.cse3 (<= ~a16~0 4)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a17~0 0)) (.cse8 (not .cse6)) (.cse2 (= ~a17~0 1)) (.cse9 (<= ~a16~0 5)) (.cse7 (<= ~a21~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and .cse3 .cse6 .cse2) (and .cse4 .cse8 .cse1) (and (<= 14 ~a8~0) .cse0 .cse4 .cse6) (and .cse9 .cse4 .cse8) (and .cse7 .cse6 .cse2) (and .cse9 .cse7)))) [2020-12-21 23:28:20,820 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-21 23:28:20,821 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,822 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-21 23:28:20,823 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-21 23:28:20,823 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-21 23:28:20,823 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-21 23:28:20,823 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-21 23:28:20,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:28:20 BoogieIcfgContainer [2020-12-21 23:28:20,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:28:20,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:28:20,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:28:20,866 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:28:20,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:28:06" (3/4) ... [2020-12-21 23:28:20,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 23:28:20,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-21 23:28:20,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-21 23:28:20,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:28:20,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:28:21,098 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label41.c-witness.graphml [2020-12-21 23:28:21,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:28:21,100 INFO L168 Benchmark]: Toolchain (without parser) took 16645.75 ms. Allocated memory was 166.7 MB in the beginning and 419.4 MB in the end (delta: 252.7 MB). Free memory was 139.6 MB in the beginning and 224.6 MB in the end (delta: -84.9 MB). Peak memory consumption was 168.9 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,100 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 166.7 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:28:21,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.79 ms. Allocated memory is still 166.7 MB. Free memory was 139.4 MB in the beginning and 112.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.74 ms. Allocated memory is still 166.7 MB. Free memory was 112.4 MB in the beginning and 144.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,102 INFO L168 Benchmark]: Boogie Preprocessor took 112.17 ms. Allocated memory is still 166.7 MB. Free memory was 143.6 MB in the beginning and 139.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,102 INFO L168 Benchmark]: RCFGBuilder took 1405.73 ms. Allocated memory was 166.7 MB in the beginning and 216.0 MB in the end (delta: 49.3 MB). Free memory was 139.4 MB in the beginning and 173.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,103 INFO L168 Benchmark]: TraceAbstraction took 14056.57 ms. Allocated memory was 216.0 MB in the beginning and 419.4 MB in the end (delta: 203.4 MB). Free memory was 172.8 MB in the beginning and 239.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 136.9 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,103 INFO L168 Benchmark]: Witness Printer took 232.25 ms. Allocated memory is still 419.4 MB. Free memory was 239.4 MB in the beginning and 224.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:28:21,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 166.7 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 695.79 ms. Allocated memory is still 166.7 MB. Free memory was 139.4 MB in the beginning and 112.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 135.74 ms. Allocated memory is still 166.7 MB. Free memory was 112.4 MB in the beginning and 144.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.17 ms. Allocated memory is still 166.7 MB. Free memory was 143.6 MB in the beginning and 139.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1405.73 ms. Allocated memory was 166.7 MB in the beginning and 216.0 MB in the end (delta: 49.3 MB). Free memory was 139.4 MB in the beginning and 173.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14056.57 ms. Allocated memory was 216.0 MB in the beginning and 419.4 MB in the end (delta: 203.4 MB). Free memory was 172.8 MB in the beginning and 239.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 136.9 MB. Max. memory is 8.0 GB. * Witness Printer took 232.25 ms. Allocated memory is still 419.4 MB. Free memory was 239.4 MB in the beginning and 224.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 441]: 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: 40]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && 15 <= a8) && a17 == 1) || (((a21 == 1 && a16 <= 4) && a17 <= 0) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a21 <= 0)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a20 == 1) && a17 == 1)) || ((a17 <= 0 && !(a20 == 1)) && 15 <= a8)) || (((14 <= a8 && a21 == 1) && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a17 == 1)) || (a16 <= 5 && a21 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && 15 <= a8) && a17 == 1) || (((a21 == 1 && a16 <= 4) && a17 <= 0) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a21 <= 0)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a20 == 1) && a17 == 1)) || ((a17 <= 0 && !(a20 == 1)) && 15 <= a8)) || (((14 <= a8 && a21 == 1) && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a17 == 1)) || (a16 <= 5 && a21 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 12, TraceHistogramMax: 7, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 851 SDtfs, 1447 SDslu, 68 SDs, 0 SdLazy, 4127 SolverSat, 636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 980 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1703 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 876 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 218 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2787 NumberOfCodeBlocks, 2787 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2770 ConstructedInterpolants, 0 QuantifiedInterpolants, 915330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2081 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 2489/2504 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...