./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer --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 70b3f0d2d990d268eee63e151ee95e4150e229e8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:56:06,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:56:06,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:56:06,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:56:06,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:56:06,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:56:06,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:56:06,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:56:06,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:56:06,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:56:06,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:56:06,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:56:06,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:56:06,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:56:06,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:56:06,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:56:06,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:56:06,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:56:06,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:56:06,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:56:06,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:56:06,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:56:06,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:56:06,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:56:06,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:56:06,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:56:06,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:56:06,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:56:06,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:56:06,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:56:06,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:56:06,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:56:06,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:56:06,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:56:06,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:56:06,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:56:06,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:56:06,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:56:06,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:56:06,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:56:06,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:56:06,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:56:06,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:56:06,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:56:06,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:56:06,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:56:06,650 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:56:06,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:56:06,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:56:06,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:56:06,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:56:06,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:56:06,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:56:06,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:56:06,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:56:06,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:56:06,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:56:06,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:56:06,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:56:06,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:56:06,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:56:06,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:56:06,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:56:06,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:56:06,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:56:06,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:56:06,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:56:06,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:56:06,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:56:06,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:56:06,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:56:06,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b3f0d2d990d268eee63e151ee95e4150e229e8 [2020-11-29 21:56:07,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:56:07,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:56:07,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:56:07,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:56:07,151 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:56:07,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c [2020-11-29 21:56:07,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/data/629b21929/6a61ed1d521d47f9824b6e9343b00c05/FLAG032b15f02 [2020-11-29 21:56:08,281 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:56:08,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/sv-benchmarks/c/eca-rers2012/Problem16_label50.c [2020-11-29 21:56:08,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/data/629b21929/6a61ed1d521d47f9824b6e9343b00c05/FLAG032b15f02 [2020-11-29 21:56:08,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/data/629b21929/6a61ed1d521d47f9824b6e9343b00c05 [2020-11-29 21:56:08,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:56:08,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:56:08,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:56:08,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:56:08,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:56:08,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:56:08" (1/1) ... [2020-11-29 21:56:08,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dff496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:08, skipping insertion in model container [2020-11-29 21:56:08,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:56:08" (1/1) ... [2020-11-29 21:56:08,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:56:08,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:56:09,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:56:09,698 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:56:10,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:56:10,084 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:56:10,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10 WrapperNode [2020-11-29 21:56:10,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:56:10,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:56:10,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:56:10,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:56:10,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:56:10,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:56:10,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:56:10,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:56:10,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... [2020-11-29 21:56:10,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:56:10,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:56:10,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:56:10,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:56:10,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/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 [2020-11-29 21:56:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:56:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:56:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:56:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:56:14,085 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:56:14,085 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 21:56:14,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:14 BoogieIcfgContainer [2020-11-29 21:56:14,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:56:14,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:56:14,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:56:14,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:56:14,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:56:08" (1/3) ... [2020-11-29 21:56:14,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d02263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:56:14, skipping insertion in model container [2020-11-29 21:56:14,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:10" (2/3) ... [2020-11-29 21:56:14,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d02263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:56:14, skipping insertion in model container [2020-11-29 21:56:14,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:14" (3/3) ... [2020-11-29 21:56:14,102 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label50.c [2020-11-29 21:56:14,115 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:56:14,121 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:56:14,134 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:56:14,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:56:14,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:56:14,179 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:56:14,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:56:14,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:56:14,179 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:56:14,179 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:56:14,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:56:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 21:56:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:56:14,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:14,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:14,226 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:14,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:14,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2020-11-29 21:56:14,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:14,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212375690] [2020-11-29 21:56:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:56:14,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212375690] [2020-11-29 21:56:14,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:14,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:56:14,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403969] [2020-11-29 21:56:14,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:14,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:14,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:14,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:14,600 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-11-29 21:56:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:17,712 INFO L93 Difference]: Finished difference Result 1123 states and 2104 transitions. [2020-11-29 21:56:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:17,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 21:56:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:17,739 INFO L225 Difference]: With dead ends: 1123 [2020-11-29 21:56:17,740 INFO L226 Difference]: Without dead ends: 662 [2020-11-29 21:56:17,747 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 [2020-11-29 21:56:17,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-29 21:56:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-11-29 21:56:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-11-29 21:56:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2020-11-29 21:56:17,918 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 45 [2020-11-29 21:56:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:17,919 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2020-11-29 21:56:17,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2020-11-29 21:56:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 21:56:17,926 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:17,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:17,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:56:17,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:17,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1203647987, now seen corresponding path program 1 times [2020-11-29 21:56:17,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:17,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376261794] [2020-11-29 21:56:17,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:56:18,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376261794] [2020-11-29 21:56:18,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:18,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:56:18,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942152853] [2020-11-29 21:56:18,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:18,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:18,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:18,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:18,312 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand 3 states. [2020-11-29 21:56:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:21,207 INFO L93 Difference]: Finished difference Result 1980 states and 3133 transitions. [2020-11-29 21:56:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:21,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 21:56:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:21,221 INFO L225 Difference]: With dead ends: 1980 [2020-11-29 21:56:21,221 INFO L226 Difference]: Without dead ends: 1320 [2020-11-29 21:56:21,224 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 [2020-11-29 21:56:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-11-29 21:56:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-11-29 21:56:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-11-29 21:56:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1986 transitions. [2020-11-29 21:56:21,274 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1986 transitions. Word has length 116 [2020-11-29 21:56:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:21,275 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 1986 transitions. [2020-11-29 21:56:21,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1986 transitions. [2020-11-29 21:56:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-29 21:56:21,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:21,284 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-11-29 21:56:21,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:56:21,285 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:21,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:21,286 INFO L82 PathProgramCache]: Analyzing trace with hash -590565579, now seen corresponding path program 1 times [2020-11-29 21:56:21,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:21,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734324884] [2020-11-29 21:56:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-29 21:56:21,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734324884] [2020-11-29 21:56:21,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:21,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:56:21,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695817705] [2020-11-29 21:56:21,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:21,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:21,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:21,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:21,546 INFO L87 Difference]: Start difference. First operand 1320 states and 1986 transitions. Second operand 3 states. [2020-11-29 21:56:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:24,536 INFO L93 Difference]: Finished difference Result 3954 states and 5953 transitions. [2020-11-29 21:56:24,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:24,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-11-29 21:56:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:24,557 INFO L225 Difference]: With dead ends: 3954 [2020-11-29 21:56:24,558 INFO L226 Difference]: Without dead ends: 2636 [2020-11-29 21:56:24,561 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 [2020-11-29 21:56:24,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2020-11-29 21:56:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2020-11-29 21:56:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2020-11-29 21:56:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3488 transitions. [2020-11-29 21:56:24,643 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3488 transitions. Word has length 187 [2020-11-29 21:56:24,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:24,644 INFO L481 AbstractCegarLoop]: Abstraction has 2636 states and 3488 transitions. [2020-11-29 21:56:24,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3488 transitions. [2020-11-29 21:56:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-29 21:56:24,649 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:24,650 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:56:24,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:56:24,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:24,652 INFO L82 PathProgramCache]: Analyzing trace with hash -918280843, now seen corresponding path program 1 times [2020-11-29 21:56:24,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:24,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933080669] [2020-11-29 21:56:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 21:56:24,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933080669] [2020-11-29 21:56:24,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:24,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:56:24,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395577684] [2020-11-29 21:56:24,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:24,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:24,970 INFO L87 Difference]: Start difference. First operand 2636 states and 3488 transitions. Second operand 3 states. [2020-11-29 21:56:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:27,387 INFO L93 Difference]: Finished difference Result 6586 states and 8891 transitions. [2020-11-29 21:56:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:27,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-11-29 21:56:27,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:27,423 INFO L225 Difference]: With dead ends: 6586 [2020-11-29 21:56:27,423 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 21:56:27,427 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 [2020-11-29 21:56:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 21:56:27,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 2965. [2020-11-29 21:56:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-11-29 21:56:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3938 transitions. [2020-11-29 21:56:27,521 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3938 transitions. Word has length 211 [2020-11-29 21:56:27,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:27,523 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3938 transitions. [2020-11-29 21:56:27,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3938 transitions. [2020-11-29 21:56:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-11-29 21:56:27,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:27,532 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:27,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:56:27,533 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:27,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1863132581, now seen corresponding path program 1 times [2020-11-29 21:56:27,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:27,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954999114] [2020-11-29 21:56:27,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-11-29 21:56:27,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954999114] [2020-11-29 21:56:27,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:27,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:56:27,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764638018] [2020-11-29 21:56:27,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:27,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:27,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:27,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:27,920 INFO L87 Difference]: Start difference. First operand 2965 states and 3938 transitions. Second operand 3 states. [2020-11-29 21:56:30,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:30,500 INFO L93 Difference]: Finished difference Result 7244 states and 9442 transitions. [2020-11-29 21:56:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:30,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-11-29 21:56:30,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:30,535 INFO L225 Difference]: With dead ends: 7244 [2020-11-29 21:56:30,536 INFO L226 Difference]: Without dead ends: 4281 [2020-11-29 21:56:30,542 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 [2020-11-29 21:56:30,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2020-11-29 21:56:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2020-11-29 21:56:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-29 21:56:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5188 transitions. [2020-11-29 21:56:30,691 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5188 transitions. Word has length 354 [2020-11-29 21:56:30,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:30,692 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5188 transitions. [2020-11-29 21:56:30,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5188 transitions. [2020-11-29 21:56:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-29 21:56:30,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:30,706 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:30,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:56:30,707 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:30,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1207662616, now seen corresponding path program 1 times [2020-11-29 21:56:30,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:30,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949350344] [2020-11-29 21:56:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-11-29 21:56:31,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949350344] [2020-11-29 21:56:31,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:31,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:31,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583258019] [2020-11-29 21:56:31,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:56:31,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:31,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:56:31,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:56:31,917 INFO L87 Difference]: Start difference. First operand 4281 states and 5188 transitions. Second operand 4 states. [2020-11-29 21:56:34,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:34,773 INFO L93 Difference]: Finished difference Result 8930 states and 10756 transitions. [2020-11-29 21:56:34,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:56:34,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 468 [2020-11-29 21:56:34,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:34,803 INFO L225 Difference]: With dead ends: 8930 [2020-11-29 21:56:34,803 INFO L226 Difference]: Without dead ends: 4651 [2020-11-29 21:56:34,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:56:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2020-11-29 21:56:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4610. [2020-11-29 21:56:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4610 states. [2020-11-29 21:56:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5523 transitions. [2020-11-29 21:56:34,926 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5523 transitions. Word has length 468 [2020-11-29 21:56:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:34,931 INFO L481 AbstractCegarLoop]: Abstraction has 4610 states and 5523 transitions. [2020-11-29 21:56:34,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:56:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5523 transitions. [2020-11-29 21:56:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2020-11-29 21:56:34,952 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:34,953 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:34,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 21:56:34,954 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:34,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:34,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1754231302, now seen corresponding path program 1 times [2020-11-29 21:56:34,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:34,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484840660] [2020-11-29 21:56:34,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-11-29 21:56:35,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484840660] [2020-11-29 21:56:35,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:35,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 21:56:35,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009879865] [2020-11-29 21:56:35,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:56:35,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:35,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:56:35,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:56:35,644 INFO L87 Difference]: Start difference. First operand 4610 states and 5523 transitions. Second operand 7 states. [2020-11-29 21:56:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:39,133 INFO L93 Difference]: Finished difference Result 8748 states and 10556 transitions. [2020-11-29 21:56:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:56:39,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 555 [2020-11-29 21:56:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:39,158 INFO L225 Difference]: With dead ends: 8748 [2020-11-29 21:56:39,158 INFO L226 Difference]: Without dead ends: 4281 [2020-11-29 21:56:39,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:56:39,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2020-11-29 21:56:39,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2020-11-29 21:56:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-29 21:56:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2020-11-29 21:56:39,278 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 555 [2020-11-29 21:56:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:39,279 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2020-11-29 21:56:39,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:56:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2020-11-29 21:56:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2020-11-29 21:56:39,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:39,292 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:39,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 21:56:39,292 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:39,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:39,293 INFO L82 PathProgramCache]: Analyzing trace with hash -81923864, now seen corresponding path program 1 times [2020-11-29 21:56:39,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:39,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459097515] [2020-11-29 21:56:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 549 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-11-29 21:56:39,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459097515] [2020-11-29 21:56:39,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:39,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:39,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031809205] [2020-11-29 21:56:39,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:39,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:39,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:39,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:39,851 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand 3 states. [2020-11-29 21:56:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:41,593 INFO L93 Difference]: Finished difference Result 10534 states and 11440 transitions. [2020-11-29 21:56:41,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:41,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 583 [2020-11-29 21:56:41,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:41,660 INFO L225 Difference]: With dead ends: 10534 [2020-11-29 21:56:41,660 INFO L226 Difference]: Without dead ends: 6584 [2020-11-29 21:56:41,672 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 [2020-11-29 21:56:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2020-11-29 21:56:41,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2020-11-29 21:56:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6584 states. [2020-11-29 21:56:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6964 transitions. [2020-11-29 21:56:41,839 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6964 transitions. Word has length 583 [2020-11-29 21:56:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:41,840 INFO L481 AbstractCegarLoop]: Abstraction has 6584 states and 6964 transitions. [2020-11-29 21:56:41,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6964 transitions. [2020-11-29 21:56:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-11-29 21:56:41,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:41,853 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:41,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 21:56:41,854 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:41,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:41,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1098184227, now seen corresponding path program 1 times [2020-11-29 21:56:41,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:41,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824317462] [2020-11-29 21:56:41,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 597 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-11-29 21:56:42,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824317462] [2020-11-29 21:56:42,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:42,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:42,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531761378] [2020-11-29 21:56:42,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:42,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:42,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:42,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:42,550 INFO L87 Difference]: Start difference. First operand 6584 states and 6964 transitions. Second operand 3 states. [2020-11-29 21:56:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:44,207 INFO L93 Difference]: Finished difference Result 14811 states and 15794 transitions. [2020-11-29 21:56:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:44,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2020-11-29 21:56:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:44,226 INFO L225 Difference]: With dead ends: 14811 [2020-11-29 21:56:44,226 INFO L226 Difference]: Without dead ends: 8558 [2020-11-29 21:56:44,236 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 [2020-11-29 21:56:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-11-29 21:56:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8229. [2020-11-29 21:56:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8229 states. [2020-11-29 21:56:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8674 transitions. [2020-11-29 21:56:44,382 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8674 transitions. Word has length 617 [2020-11-29 21:56:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:44,383 INFO L481 AbstractCegarLoop]: Abstraction has 8229 states and 8674 transitions. [2020-11-29 21:56:44,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8674 transitions. [2020-11-29 21:56:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2020-11-29 21:56:44,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:44,400 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:56:44,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 21:56:44,401 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:44,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:44,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1416268817, now seen corresponding path program 1 times [2020-11-29 21:56:44,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:44,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464700203] [2020-11-29 21:56:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 722 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2020-11-29 21:56:45,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464700203] [2020-11-29 21:56:45,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:45,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:45,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656870856] [2020-11-29 21:56:45,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:45,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:45,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:45,230 INFO L87 Difference]: Start difference. First operand 8229 states and 8674 transitions. Second operand 3 states. [2020-11-29 21:56:46,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:46,953 INFO L93 Difference]: Finished difference Result 18430 states and 19568 transitions. [2020-11-29 21:56:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:46,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 776 [2020-11-29 21:56:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:46,979 INFO L225 Difference]: With dead ends: 18430 [2020-11-29 21:56:46,979 INFO L226 Difference]: Without dead ends: 10532 [2020-11-29 21:56:46,989 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 [2020-11-29 21:56:47,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2020-11-29 21:56:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 9874. [2020-11-29 21:56:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2020-11-29 21:56:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10362 transitions. [2020-11-29 21:56:47,180 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10362 transitions. Word has length 776 [2020-11-29 21:56:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:47,182 INFO L481 AbstractCegarLoop]: Abstraction has 9874 states and 10362 transitions. [2020-11-29 21:56:47,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10362 transitions. [2020-11-29 21:56:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2020-11-29 21:56:47,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:47,202 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:56:47,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 21:56:47,203 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:47,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:47,204 INFO L82 PathProgramCache]: Analyzing trace with hash -851033698, now seen corresponding path program 1 times [2020-11-29 21:56:47,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:47,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945763727] [2020-11-29 21:56:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-11-29 21:56:48,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945763727] [2020-11-29 21:56:48,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:48,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:48,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375856416] [2020-11-29 21:56:48,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:48,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:48,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:48,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:48,145 INFO L87 Difference]: Start difference. First operand 9874 states and 10362 transitions. Second operand 3 states. [2020-11-29 21:56:49,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:49,701 INFO L93 Difference]: Finished difference Result 24681 states and 25992 transitions. [2020-11-29 21:56:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:49,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 777 [2020-11-29 21:56:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:49,734 INFO L225 Difference]: With dead ends: 24681 [2020-11-29 21:56:49,735 INFO L226 Difference]: Without dead ends: 13164 [2020-11-29 21:56:49,751 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 [2020-11-29 21:56:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2020-11-29 21:56:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 12835. [2020-11-29 21:56:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-11-29 21:56:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13358 transitions. [2020-11-29 21:56:49,987 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13358 transitions. Word has length 777 [2020-11-29 21:56:49,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:49,989 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13358 transitions. [2020-11-29 21:56:49,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13358 transitions. [2020-11-29 21:56:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2020-11-29 21:56:50,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:50,023 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 21:56:50,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 21:56:50,024 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:50,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1019013153, now seen corresponding path program 1 times [2020-11-29 21:56:50,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:50,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605300589] [2020-11-29 21:56:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1116 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2020-11-29 21:56:52,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605300589] [2020-11-29 21:56:52,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:52,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:56:52,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150205667] [2020-11-29 21:56:52,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:56:52,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:52,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:56:52,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:56:52,227 INFO L87 Difference]: Start difference. First operand 12835 states and 13358 transitions. Second operand 4 states. [2020-11-29 21:56:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:54,172 INFO L93 Difference]: Finished difference Result 25364 states and 26408 transitions. [2020-11-29 21:56:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:56:54,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1060 [2020-11-29 21:56:54,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:54,200 INFO L225 Difference]: With dead ends: 25364 [2020-11-29 21:56:54,200 INFO L226 Difference]: Without dead ends: 12860 [2020-11-29 21:56:54,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:56:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12860 states. [2020-11-29 21:56:54,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12860 to 12506. [2020-11-29 21:56:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-11-29 21:56:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 13020 transitions. [2020-11-29 21:56:54,423 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 13020 transitions. Word has length 1060 [2020-11-29 21:56:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:54,424 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 13020 transitions. [2020-11-29 21:56:54,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:56:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 13020 transitions. [2020-11-29 21:56:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2020-11-29 21:56:54,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:54,460 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:56:54,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 21:56:54,461 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:54,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:54,462 INFO L82 PathProgramCache]: Analyzing trace with hash -976860801, now seen corresponding path program 1 times [2020-11-29 21:56:54,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:54,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204826001] [2020-11-29 21:56:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1845 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2020-11-29 21:56:55,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204826001] [2020-11-29 21:56:55,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:55,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:55,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440958654] [2020-11-29 21:56:55,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:55,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:55,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:55,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:55,719 INFO L87 Difference]: Start difference. First operand 12506 states and 13020 transitions. Second operand 3 states. [2020-11-29 21:56:57,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:56:57,338 INFO L93 Difference]: Finished difference Result 24681 states and 25707 transitions. [2020-11-29 21:56:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:56:57,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1117 [2020-11-29 21:56:57,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:56:57,363 INFO L225 Difference]: With dead ends: 24681 [2020-11-29 21:56:57,363 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 21:56:57,375 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 [2020-11-29 21:56:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 21:56:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 11848. [2020-11-29 21:56:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11848 states. [2020-11-29 21:56:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12155 transitions. [2020-11-29 21:56:57,568 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12155 transitions. Word has length 1117 [2020-11-29 21:56:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:56:57,569 INFO L481 AbstractCegarLoop]: Abstraction has 11848 states and 12155 transitions. [2020-11-29 21:56:57,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:56:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12155 transitions. [2020-11-29 21:56:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2020-11-29 21:56:57,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:56:57,601 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:56:57,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 21:56:57,602 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:56:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash 422989715, now seen corresponding path program 1 times [2020-11-29 21:56:57,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:56:57,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554275481] [2020-11-29 21:56:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:56:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:56:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2843 backedges. 1503 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-11-29 21:56:59,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554275481] [2020-11-29 21:56:59,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:56:59,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:56:59,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970976409] [2020-11-29 21:56:59,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:56:59,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:56:59,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:56:59,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:56:59,290 INFO L87 Difference]: Start difference. First operand 11848 states and 12155 transitions. Second operand 3 states. [2020-11-29 21:57:00,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:57:00,801 INFO L93 Difference]: Finished difference Result 24023 states and 24646 transitions. [2020-11-29 21:57:00,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:57:00,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1142 [2020-11-29 21:57:00,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:57:00,830 INFO L225 Difference]: With dead ends: 24023 [2020-11-29 21:57:00,830 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 21:57:00,841 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 [2020-11-29 21:57:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 21:57:01,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2020-11-29 21:57:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-11-29 21:57:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12818 transitions. [2020-11-29 21:57:01,038 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12818 transitions. Word has length 1142 [2020-11-29 21:57:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:57:01,040 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 12818 transitions. [2020-11-29 21:57:01,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:57:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12818 transitions. [2020-11-29 21:57:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2020-11-29 21:57:01,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:57:01,073 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:57:01,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 21:57:01,075 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:57:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:57:01,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1781323166, now seen corresponding path program 1 times [2020-11-29 21:57:01,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:57:01,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684598440] [2020-11-29 21:57:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:57:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:57:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2797 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-11-29 21:57:02,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684598440] [2020-11-29 21:57:02,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:57:02,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:57:02,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564808705] [2020-11-29 21:57:02,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:57:02,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:57:02,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:57:02,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:57:02,495 INFO L87 Difference]: Start difference. First operand 12506 states and 12818 transitions. Second operand 3 states. [2020-11-29 21:57:04,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:57:04,203 INFO L93 Difference]: Finished difference Result 27311 states and 28040 transitions. [2020-11-29 21:57:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:57:04,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1196 [2020-11-29 21:57:04,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:57:04,220 INFO L225 Difference]: With dead ends: 27311 [2020-11-29 21:57:04,220 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:57:04,233 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 [2020-11-29 21:57:04,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:57:04,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:57:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:57:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:57:04,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1196 [2020-11-29 21:57:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:57:04,234 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:57:04,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:57:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:57:04,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:57:04,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 21:57:04,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:57:04,458 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 106 [2020-11-29 21:57:04,608 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 106 [2020-11-29 21:57:05,058 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-11-29 21:57:05,624 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 44 [2020-11-29 21:57:06,184 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 44 [2020-11-29 21:57:06,188 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,188 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,188 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,188 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 21:57:06,189 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,190 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,191 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,192 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,193 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 21:57:06,194 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,194 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 21:57:06,194 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 21:57:06,194 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse3 (= ~a16~0 9)) (.cse2 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse7 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse4 (= ~a16~0 8)) (.cse0 (= 7 ~a12~0)) (.cse1 (<= ~a15~0 3))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse3 .cse0) (and .cse0 .cse4) (and .cse5 (<= ~a12~0 5)) (and .cse6 .cse1) (and .cse3 .cse6) (and .cse1 .cse4) (and .cse7 .cse1) (and .cse7 .cse3) (and .cse2 .cse5) (and (= ~a15~0 3) (= 5 ~a12~0)) (and .cse7 .cse4) (and .cse6 .cse4) (and .cse0 (<= (+ ~a18~0 87) 0) .cse1))) [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,195 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,196 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 21:57:06,197 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,198 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,199 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse3 (= ~a16~0 9)) (.cse2 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse7 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse4 (= ~a16~0 8)) (.cse0 (= 7 ~a12~0)) (.cse1 (<= ~a15~0 3))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse3 .cse0) (and .cse0 .cse4) (and .cse5 (<= ~a12~0 5)) (and .cse6 .cse1) (and .cse3 .cse6) (and .cse1 .cse4) (and .cse7 .cse1) (and .cse7 .cse3) (and .cse2 .cse5) (and (= ~a15~0 3) (= 5 ~a12~0)) (and .cse7 .cse4) (and .cse6 .cse4) (and .cse0 (<= (+ ~a18~0 87) 0) .cse1))) [2020-11-29 21:57:06,199 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,200 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,201 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 21:57:06,201 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 21:57:06,202 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,203 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 21:57:06,204 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse3 (= ~a16~0 9)) (.cse2 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse7 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse4 (= ~a16~0 8)) (.cse0 (= 7 ~a12~0)) (.cse1 (<= ~a15~0 3))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse3 .cse0) (and .cse0 .cse4) (and .cse5 (<= ~a12~0 5)) (and .cse6 .cse1) (and .cse3 .cse6) (and .cse1 .cse4) (and .cse7 .cse1) (and .cse7 .cse3) (and .cse2 .cse5) (and (= ~a15~0 3) (= 5 ~a12~0)) (and .cse7 .cse4) (and .cse6 .cse4) (and .cse0 (<= (+ ~a18~0 87) 0) .cse1))) [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,205 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,206 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,207 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,208 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,209 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,210 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 21:57:06,211 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,212 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,213 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,214 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,215 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 21:57:06,216 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,217 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,218 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,219 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,220 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,221 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,222 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,223 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 21:57:06,224 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 21:57:06,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:57:06 BoogieIcfgContainer [2020-11-29 21:57:06,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:57:06,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:57:06,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:57:06,262 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:57:06,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:14" (3/4) ... [2020-11-29 21:57:06,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:57:06,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 21:57:06,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 21:57:06,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:57:06,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:57:06,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11672ad1-3cda-4da0-bc77-625926af8b3b/bin/uautomizer/witness.graphml [2020-11-29 21:57:06,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:57:06,657 INFO L168 Benchmark]: Toolchain (without parser) took 57840.95 ms. Allocated memory was 86.0 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 48.2 MB in the beginning and 1.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 546.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,658 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:57:06,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1267.72 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 71.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 230.26 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 47.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,659 INFO L168 Benchmark]: Boogie Preprocessor took 258.54 ms. Allocated memory is still 104.9 MB. Free memory was 47.9 MB in the beginning and 56.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,660 INFO L168 Benchmark]: RCFGBuilder took 3509.81 ms. Allocated memory was 104.9 MB in the beginning and 192.9 MB in the end (delta: 88.1 MB). Free memory was 55.8 MB in the beginning and 114.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,660 INFO L168 Benchmark]: TraceAbstraction took 52170.37 ms. Allocated memory was 192.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 113.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 464.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,661 INFO L168 Benchmark]: Witness Printer took 394.79 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:57:06,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1267.72 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 71.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 230.26 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 47.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 258.54 ms. Allocated memory is still 104.9 MB. Free memory was 47.9 MB in the beginning and 56.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3509.81 ms. Allocated memory was 104.9 MB in the beginning and 192.9 MB in the end (delta: 88.1 MB). Free memory was 55.8 MB in the beginning and 114.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52170.37 ms. Allocated memory was 192.9 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 113.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 464.4 MB. Max. memory is 16.1 GB. * Witness Printer took 394.79 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (a16 == 9 && 7 == a12)) || (7 == a12 && a16 == 8)) || (a16 <= 11 && a12 <= 5)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 9 && a16 == 9)) || (a12 == 6 && a16 <= 11)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((7 == a12 && a18 + 87 <= 0) && a15 <= 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (a16 == 9 && 7 == a12)) || (7 == a12 && a16 == 8)) || (a16 <= 11 && a12 <= 5)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 9 && a16 == 9)) || (a12 == 6 && a16 <= 11)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((7 == a12 && a18 + 87 <= 0) && a15 <= 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (a16 == 9 && 7 == a12)) || (7 == a12 && a16 == 8)) || (a16 <= 11 && a12 <= 5)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 9 && a16 == 9)) || (a12 == 6 && a16 <= 11)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((7 == a12 && a18 + 87 <= 0) && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.0s, OverallIterations: 15, TraceHistogramMax: 8, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4637 SDtfs, 3872 SDslu, 209 SDs, 0 SdLazy, 14209 SolverSat, 3072 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12835occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 3356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 175 NumberOfFragments, 343 HoareAnnotationTreeSize, 4 FomulaSimplifications, 6014 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1541 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 9204 NumberOfCodeBlocks, 9204 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 9189 ConstructedInterpolants, 0 QuantifiedInterpolants, 15988155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 15609/15609 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...