./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label12.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70b824c9d9310f8f3eabdc97d4ae882fc4e78361 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:11:39,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:11:39,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:11:39,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:11:39,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:11:39,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:11:39,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:11:39,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:11:39,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:11:39,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:11:39,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:11:39,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:11:39,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:11:39,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:11:39,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:11:39,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:11:39,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:11:39,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:11:39,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:11:39,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:11:39,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:11:39,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:11:39,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:11:39,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:11:39,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:11:39,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:11:39,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:11:39,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:11:39,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:11:39,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:11:39,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:11:39,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:11:39,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:11:39,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:11:39,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:11:39,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:11:39,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:11:39,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:11:39,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:11:39,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:11:39,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:11:39,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:11:39,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:11:39,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:11:39,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:11:39,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:11:39,808 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:11:39,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:11:39,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:11:39,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:11:39,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:11:39,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:11:39,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:11:39,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:11:39,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:11:39,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:11:39,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:11:39,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:11:39,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:11:39,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:11:39,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:11:39,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:11:39,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:11:39,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:39,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:11:39,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:11:39,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:11:39,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:11:39,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:11:39,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:11:39,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:11:39,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b824c9d9310f8f3eabdc97d4ae882fc4e78361 [2020-10-19 23:11:40,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:11:40,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:11:40,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:11:40,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:11:40,102 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:11:40,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2020-10-19 23:11:40,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ff461de/48df626253794a0f9ac03718b32b804e/FLAG5f9b2aa6b [2020-10-19 23:11:40,876 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:40,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2020-10-19 23:11:40,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ff461de/48df626253794a0f9ac03718b32b804e/FLAG5f9b2aa6b [2020-10-19 23:11:41,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ff461de/48df626253794a0f9ac03718b32b804e [2020-10-19 23:11:41,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:41,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:41,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:41,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:41,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:41,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:41,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5647b5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41, skipping insertion in model container [2020-10-19 23:11:41,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:41,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:41,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:11:41,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:41,769 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:11:41,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:41,984 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:11:41,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41 WrapperNode [2020-10-19 23:11:41,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:41,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:41,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:11:41,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:11:41,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:42,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:11:42,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:11:42,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:11:42,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (1/1) ... [2020-10-19 23:11:42,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:11:42,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:11:42,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:11:42,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:11:42,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (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 [2020-10-19 23:11:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:11:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:11:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:11:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:11:44,542 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:11:44,543 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:11:44,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:44 BoogieIcfgContainer [2020-10-19 23:11:44,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:11:44,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:11:44,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:11:44,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:11:44,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:41" (1/3) ... [2020-10-19 23:11:44,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2e8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:44, skipping insertion in model container [2020-10-19 23:11:44,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:41" (2/3) ... [2020-10-19 23:11:44,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2e8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:44, skipping insertion in model container [2020-10-19 23:11:44,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:44" (3/3) ... [2020-10-19 23:11:44,557 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label12.c [2020-10-19 23:11:44,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:11:44,578 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:11:44,593 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:11:44,625 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:11:44,625 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:11:44,626 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:11:44,626 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:11:44,626 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:11:44,626 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:11:44,626 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:11:44,627 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:11:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:11:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 23:11:44,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:44,661 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] [2020-10-19 23:11:44,662 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:44,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1225036359, now seen corresponding path program 1 times [2020-10-19 23:11:44,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:44,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441963186] [2020-10-19 23:11:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:44,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441963186] [2020-10-19 23:11:44,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:44,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:44,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60501525] [2020-10-19 23:11:44,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:44,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:44,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:44,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:44,966 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:11:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:46,685 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-10-19 23:11:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:46,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-19 23:11:46,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:46,702 INFO L225 Difference]: With dead ends: 770 [2020-10-19 23:11:46,703 INFO L226 Difference]: Without dead ends: 422 [2020-10-19 23:11:46,708 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 [2020-10-19 23:11:46,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-10-19 23:11:46,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-10-19 23:11:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-19 23:11:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-10-19 23:11:46,779 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 25 [2020-10-19 23:11:46,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:46,780 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-10-19 23:11:46,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-10-19 23:11:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-19 23:11:46,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:46,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:46,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:11:46,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash -477603335, now seen corresponding path program 1 times [2020-10-19 23:11:46,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:46,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103427411] [2020-10-19 23:11:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:46,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103427411] [2020-10-19 23:11:46,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:46,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:46,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135392218] [2020-10-19 23:11:46,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:46,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:46,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:46,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:46,986 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-10-19 23:11:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:48,188 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-10-19 23:11:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:48,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-10-19 23:11:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:48,194 INFO L225 Difference]: With dead ends: 1199 [2020-10-19 23:11:48,195 INFO L226 Difference]: Without dead ends: 789 [2020-10-19 23:11:48,197 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 [2020-10-19 23:11:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-19 23:11:48,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-10-19 23:11:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-19 23:11:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-19 23:11:48,240 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 91 [2020-10-19 23:11:48,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:48,241 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-19 23:11:48,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-19 23:11:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-19 23:11:48,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:48,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:48,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:11:48,245 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:48,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:48,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2028781699, now seen corresponding path program 1 times [2020-10-19 23:11:48,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:48,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396372679] [2020-10-19 23:11:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:48,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396372679] [2020-10-19 23:11:48,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:48,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:48,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422287518] [2020-10-19 23:11:48,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:48,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:48,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:48,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:48,399 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-19 23:11:49,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:49,613 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-19 23:11:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:49,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-10-19 23:11:49,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:49,623 INFO L225 Difference]: With dead ends: 2314 [2020-10-19 23:11:49,623 INFO L226 Difference]: Without dead ends: 1527 [2020-10-19 23:11:49,625 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 [2020-10-19 23:11:49,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-19 23:11:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-19 23:11:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-19 23:11:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-19 23:11:49,673 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 95 [2020-10-19 23:11:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:49,674 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-19 23:11:49,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-19 23:11:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-19 23:11:49,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:49,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:49,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:11:49,682 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:49,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:49,682 INFO L82 PathProgramCache]: Analyzing trace with hash 671904421, now seen corresponding path program 1 times [2020-10-19 23:11:49,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:49,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460186943] [2020-10-19 23:11:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:49,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460186943] [2020-10-19 23:11:49,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:49,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:49,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853247943] [2020-10-19 23:11:49,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:49,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:49,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:49,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:49,851 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-19 23:11:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:51,068 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-19 23:11:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:51,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-10-19 23:11:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:51,082 INFO L225 Difference]: With dead ends: 3257 [2020-10-19 23:11:51,082 INFO L226 Difference]: Without dead ends: 1917 [2020-10-19 23:11:51,085 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 [2020-10-19 23:11:51,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-19 23:11:51,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-19 23:11:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-19 23:11:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-19 23:11:51,125 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 152 [2020-10-19 23:11:51,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:51,125 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-19 23:11:51,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-19 23:11:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-19 23:11:51,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:51,131 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:51,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:11:51,131 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:51,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:51,132 INFO L82 PathProgramCache]: Analyzing trace with hash 574441988, now seen corresponding path program 1 times [2020-10-19 23:11:51,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:51,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142559484] [2020-10-19 23:11:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 23:11:51,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142559484] [2020-10-19 23:11:51,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:51,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:51,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134709462] [2020-10-19 23:11:51,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:51,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:51,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:51,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:51,307 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-19 23:11:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:52,484 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-19 23:11:52,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:52,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-10-19 23:11:52,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:52,499 INFO L225 Difference]: With dead ends: 4389 [2020-10-19 23:11:52,499 INFO L226 Difference]: Without dead ends: 2661 [2020-10-19 23:11:52,502 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 [2020-10-19 23:11:52,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-19 23:11:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-19 23:11:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-19 23:11:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-19 23:11:52,551 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 207 [2020-10-19 23:11:52,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:52,552 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-19 23:11:52,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-19 23:11:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-19 23:11:52,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:52,556 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:52,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:11:52,557 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash 911121683, now seen corresponding path program 1 times [2020-10-19 23:11:52,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:52,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136494578] [2020-10-19 23:11:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:11:52,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136494578] [2020-10-19 23:11:52,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:52,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:52,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494131838] [2020-10-19 23:11:52,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:52,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:52,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:52,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:52,778 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-19 23:11:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:54,190 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-19 23:11:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:54,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-10-19 23:11:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:54,204 INFO L225 Difference]: With dead ends: 5862 [2020-10-19 23:11:54,204 INFO L226 Difference]: Without dead ends: 3397 [2020-10-19 23:11:54,208 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 [2020-10-19 23:11:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-19 23:11:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-19 23:11:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-19 23:11:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-19 23:11:54,278 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 213 [2020-10-19 23:11:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:54,287 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-19 23:11:54,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-19 23:11:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-19 23:11:54,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:54,295 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:54,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:11:54,295 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:54,296 INFO L82 PathProgramCache]: Analyzing trace with hash -179535917, now seen corresponding path program 1 times [2020-10-19 23:11:54,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:54,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564508086] [2020-10-19 23:11:54,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-19 23:11:54,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564508086] [2020-10-19 23:11:54,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:54,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:54,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145060631] [2020-10-19 23:11:54,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:54,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:54,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:54,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:54,579 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-19 23:11:56,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:56,116 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-19 23:11:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:56,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-10-19 23:11:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:56,133 INFO L225 Difference]: With dead ends: 6788 [2020-10-19 23:11:56,133 INFO L226 Difference]: Without dead ends: 3402 [2020-10-19 23:11:56,139 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 [2020-10-19 23:11:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-19 23:11:56,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-19 23:11:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-19 23:11:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-19 23:11:56,196 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 284 [2020-10-19 23:11:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:56,197 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-19 23:11:56,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-19 23:11:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-19 23:11:56,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:56,204 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:56,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:11:56,204 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:56,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash -346193517, now seen corresponding path program 1 times [2020-10-19 23:11:56,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:56,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936116595] [2020-10-19 23:11:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:11:56,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936116595] [2020-10-19 23:11:56,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:56,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:56,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737584694] [2020-10-19 23:11:56,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:56,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:56,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:56,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:56,471 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-19 23:11:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:57,576 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-19 23:11:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:57,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2020-10-19 23:11:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:57,589 INFO L225 Difference]: With dead ends: 6015 [2020-10-19 23:11:57,589 INFO L226 Difference]: Without dead ends: 2997 [2020-10-19 23:11:57,594 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 [2020-10-19 23:11:57,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-19 23:11:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-19 23:11:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-19 23:11:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-19 23:11:57,638 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 285 [2020-10-19 23:11:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:57,639 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-19 23:11:57,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-19 23:11:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-19 23:11:57,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:57,645 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:57,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:11:57,645 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:57,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:57,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2054037624, now seen corresponding path program 1 times [2020-10-19 23:11:57,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:57,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550484915] [2020-10-19 23:11:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-19 23:11:57,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550484915] [2020-10-19 23:11:57,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:57,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:57,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242095588] [2020-10-19 23:11:57,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:57,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:57,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:57,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:57,846 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-19 23:11:58,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:58,934 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-19 23:11:58,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:58,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-10-19 23:11:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:58,949 INFO L225 Difference]: With dead ends: 6907 [2020-10-19 23:11:58,950 INFO L226 Difference]: Without dead ends: 3914 [2020-10-19 23:11:58,954 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 [2020-10-19 23:11:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-19 23:11:59,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-19 23:11:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-19 23:11:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-19 23:11:59,020 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 290 [2020-10-19 23:11:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:59,020 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-19 23:11:59,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-19 23:11:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-19 23:11:59,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:59,028 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:11:59,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:11:59,028 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:59,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1747504047, now seen corresponding path program 1 times [2020-10-19 23:11:59,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:59,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487512531] [2020-10-19 23:11:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:59,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487512531] [2020-10-19 23:11:59,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:59,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:11:59,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11138109] [2020-10-19 23:11:59,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:59,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:59,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:59,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:59,332 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-19 23:12:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:01,339 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-19 23:12:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:01,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 330 [2020-10-19 23:12:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:01,357 INFO L225 Difference]: With dead ends: 6353 [2020-10-19 23:12:01,357 INFO L226 Difference]: Without dead ends: 4286 [2020-10-19 23:12:01,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:01,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-19 23:12:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-19 23:12:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:12:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:12:01,422 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 330 [2020-10-19 23:12:01,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:01,423 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:12:01,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:12:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-19 23:12:01,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:01,434 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:01,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:12:01,435 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:01,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1741816293, now seen corresponding path program 1 times [2020-10-19 23:12:01,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:01,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929969477] [2020-10-19 23:12:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:12:01,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929969477] [2020-10-19 23:12:01,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:01,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:12:01,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754058243] [2020-10-19 23:12:01,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:12:01,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:01,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:12:01,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:01,865 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:12:03,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:03,935 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-19 23:12:03,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:03,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 404 [2020-10-19 23:12:03,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:03,985 INFO L225 Difference]: With dead ends: 8752 [2020-10-19 23:12:03,990 INFO L226 Difference]: Without dead ends: 5022 [2020-10-19 23:12:03,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-19 23:12:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-19 23:12:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:12:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:12:04,138 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 404 [2020-10-19 23:12:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:04,139 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:12:04,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:12:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-10-19 23:12:04,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:04,158 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:04,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:12:04,159 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:04,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:04,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1821232585, now seen corresponding path program 1 times [2020-10-19 23:12:04,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:04,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138279086] [2020-10-19 23:12:04,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-19 23:12:04,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138279086] [2020-10-19 23:12:04,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:04,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:04,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560729371] [2020-10-19 23:12:04,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:12:04,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:04,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:12:04,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:04,921 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:12:06,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:06,948 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-19 23:12:06,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:06,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 655 [2020-10-19 23:12:06,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:06,971 INFO L225 Difference]: With dead ends: 11899 [2020-10-19 23:12:06,971 INFO L226 Difference]: Without dead ends: 8169 [2020-10-19 23:12:07,006 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 [2020-10-19 23:12:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-19 23:12:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-19 23:12:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-19 23:12:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-19 23:12:07,112 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 655 [2020-10-19 23:12:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:07,113 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-19 23:12:07,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-19 23:12:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-10-19 23:12:07,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:07,134 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:07,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:12:07,134 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:07,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:07,135 INFO L82 PathProgramCache]: Analyzing trace with hash -537160207, now seen corresponding path program 1 times [2020-10-19 23:12:07,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:07,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061216126] [2020-10-19 23:12:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2020-10-19 23:12:07,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061216126] [2020-10-19 23:12:07,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:07,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:07,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116710713] [2020-10-19 23:12:07,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:07,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:07,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:07,620 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-19 23:12:08,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:08,934 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-19 23:12:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:08,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 723 [2020-10-19 23:12:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:08,957 INFO L225 Difference]: With dead ends: 17436 [2020-10-19 23:12:08,957 INFO L226 Difference]: Without dead ends: 8717 [2020-10-19 23:12:08,964 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 [2020-10-19 23:12:08,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-19 23:12:09,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-19 23:12:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-19 23:12:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-19 23:12:09,081 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 723 [2020-10-19 23:12:09,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:09,081 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-19 23:12:09,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-19 23:12:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2020-10-19 23:12:09,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:09,105 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:09,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:12:09,106 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:09,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1090756588, now seen corresponding path program 1 times [2020-10-19 23:12:09,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:09,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815245914] [2020-10-19 23:12:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1393 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-10-19 23:12:09,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815245914] [2020-10-19 23:12:09,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:09,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:09,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706501970] [2020-10-19 23:12:09,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:09,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:09,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:09,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:09,891 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-19 23:12:11,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:11,087 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-19 23:12:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:11,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 823 [2020-10-19 23:12:11,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:11,089 INFO L225 Difference]: With dead ends: 18165 [2020-10-19 23:12:11,089 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:12:11,099 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 [2020-10-19 23:12:11,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:12:11,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:12:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:12:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:12:11,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 823 [2020-10-19 23:12:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:11,101 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:12:11,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:12:11,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:12:11,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:12:11,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:12:11,255 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:12:11,382 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:12:12,079 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-10-19 23:12:12,860 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-10-19 23:12:12,866 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,866 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,866 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,867 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-10-19 23:12:12,867 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,868 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:12:12,868 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:12:12,868 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,868 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,868 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,869 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,869 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,869 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,869 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:12:12,869 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:12:12,870 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:12:12,870 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:12:12,870 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,870 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,870 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,871 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,871 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,871 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,871 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,871 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,872 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,873 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,873 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,873 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,873 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,873 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,874 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:12:12,874 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:12:12,874 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:12:12,874 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,875 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-10-19 23:12:12,875 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,876 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,876 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,876 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,876 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,877 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,877 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,877 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,877 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:12:12,877 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:12:12,878 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:12:12,878 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:12:12,878 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:12:12,878 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:12:12,878 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:12:12,879 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,879 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,879 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,879 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,879 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,880 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,880 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,880 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,880 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,881 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,881 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:12:12,881 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:12:12,881 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:12:12,882 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:12:12,882 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,882 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,882 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,883 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,883 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,883 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:12:12,884 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:12:12,884 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:12:12,884 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,884 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,885 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,885 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,885 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:12:12,885 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:12:12,885 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,886 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,886 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,886 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,886 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,887 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,887 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:12:12,887 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:12:12,888 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,888 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,888 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:12:12,888 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:12:12,888 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:12:12,889 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:12:12,889 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,889 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,889 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,890 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,890 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,890 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,890 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,891 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:12:12,891 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:12:12,891 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:12:12,891 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:12:12,892 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:12:12,892 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:12:12,892 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:12:12,892 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,893 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,893 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:12:12,893 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:12:12,893 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,894 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,894 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,894 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,894 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,895 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:12:12,895 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:12:12,895 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:12:12,895 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,896 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,896 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,896 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,896 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,896 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,897 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:12:12,897 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:12:12,897 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:12:12,897 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:12:12,897 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:12:12,898 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,898 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,898 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,899 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,899 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,899 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,899 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,900 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:12:12,900 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:12:12,900 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:12:12,900 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,900 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,901 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,901 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,901 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,901 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,902 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,902 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:12:12,902 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,902 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,902 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,903 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,903 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:12:12,903 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:12:12,903 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:12:12,904 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:12:12,904 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:12:12,904 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,904 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,904 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,905 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,905 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,905 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,905 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,906 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:12:12,906 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:12:12,906 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:12:12,906 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,907 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,907 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,907 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:12:12,907 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:12:12,907 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,908 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,908 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,908 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,908 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,908 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:12:12,909 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:12:12,909 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,909 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,909 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:12:12,910 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:12:12,910 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,910 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,910 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,910 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,911 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:12:12,912 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:12:12,913 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:12:12,913 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,913 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,913 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,913 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,914 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,914 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,915 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,915 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:12:12,915 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:12:12,915 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:12:12,915 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,916 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,916 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,916 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,916 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,917 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,917 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:12:12,917 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:12:12,917 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,918 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,918 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,918 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,918 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,918 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,919 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,919 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:12:12,919 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,919 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,920 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,920 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:12:12,920 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:12:12,920 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:12:12,921 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,921 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:12:12,921 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,921 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:12:12,921 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,922 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,922 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:12:12,922 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,922 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,922 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,923 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,923 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:12:12,923 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:12:12,923 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:12:12,923 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,924 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,924 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,924 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,924 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,924 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:12:12,925 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:12:12,926 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:12:12,926 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,926 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:12:12,927 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:12:12,927 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,927 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,927 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:12,928 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,928 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,928 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:12:12,928 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:12:12,929 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:12:12,929 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:12:12,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:12:12 BoogieIcfgContainer [2020-10-19 23:12:12,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:12:12,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:12:12,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:12:12,960 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:12:12,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:44" (3/4) ... [2020-10-19 23:12:12,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:12:13,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:12:13,013 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:12:13,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:12:13,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:12:13,390 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:12:13,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:12:13,392 INFO L168 Benchmark]: Toolchain (without parser) took 32342.61 ms. Allocated memory was 43.0 MB in the beginning and 407.4 MB in the end (delta: 364.4 MB). Free memory was 21.2 MB in the beginning and 239.9 MB in the end (delta: -218.7 MB). Peak memory consumption was 145.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,392 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 6.3 MB in the beginning and 6.3 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.89 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 20.3 MB in the beginning and 17.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.95 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 17.9 MB in the beginning and 19.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,395 INFO L168 Benchmark]: Boogie Preprocessor took 181.01 ms. Allocated memory is still 48.8 MB. Free memory was 19.5 MB in the beginning and 9.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,396 INFO L168 Benchmark]: RCFGBuilder took 2176.04 ms. Allocated memory was 48.8 MB in the beginning and 78.1 MB in the end (delta: 29.4 MB). Free memory was 8.7 MB in the beginning and 36.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,396 INFO L168 Benchmark]: TraceAbstraction took 28412.93 ms. Allocated memory was 78.1 MB in the beginning and 407.4 MB in the end (delta: 329.3 MB). Free memory was 35.9 MB in the beginning and 267.6 MB in the end (delta: -231.8 MB). Peak memory consumption was 342.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,397 INFO L168 Benchmark]: Witness Printer took 430.24 ms. Allocated memory is still 407.4 MB. Free memory was 267.6 MB in the beginning and 239.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:13,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 6.3 MB in the beginning and 6.3 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 929.89 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 20.3 MB in the beginning and 17.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 200.95 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 17.9 MB in the beginning and 19.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 181.01 ms. Allocated memory is still 48.8 MB. Free memory was 19.5 MB in the beginning and 9.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2176.04 ms. Allocated memory was 48.8 MB in the beginning and 78.1 MB in the end (delta: 29.4 MB). Free memory was 8.7 MB in the beginning and 36.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 28412.93 ms. Allocated memory was 78.1 MB in the beginning and 407.4 MB in the end (delta: 329.3 MB). Free memory was 35.9 MB in the beginning and 267.6 MB in the end (delta: -231.8 MB). Peak memory consumption was 342.8 MB. Max. memory is 14.3 GB. * Witness Printer took 430.24 ms. Allocated memory is still 407.4 MB. Free memory was 267.6 MB in the beginning and 239.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2799 SDtfs, 2600 SDslu, 365 SDs, 0 SdLazy, 9134 SolverSat, 1735 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 4660 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 295 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3306 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4577 NumberOfCodeBlocks, 4577 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4563 ConstructedInterpolants, 0 QuantifiedInterpolants, 3722943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 6351/6351 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...