./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/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 9d045864a68e9c51dfb31756cfb4ec52c21a87c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:11:39,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:11:39,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:11:39,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:11:39,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:11:39,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:11:39,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:11:39,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:11:39,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:11:39,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:11:39,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:11:39,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:11:39,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:11:39,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:11:39,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:11:39,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:11:39,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:11:39,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:11:39,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:11:39,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:11:39,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:11:39,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:11:39,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:11:39,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:11:39,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:11:39,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:11:39,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:11:39,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:11:39,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:11:39,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:11:39,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:11:39,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:11:39,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:11:39,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:11:39,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:11:39,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:11:39,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:11:39,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:11:39,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:11:39,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:11:39,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:11:39,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:11:39,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:11:39,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:11:39,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:11:39,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:11:39,399 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:11:39,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:11:39,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:11:39,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:11:39,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:11:39,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:11:39,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:11:39,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:11:39,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:11:39,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:11:39,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:11:39,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:11:39,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:11:39,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:11:39,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:11:39,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:11:39,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:11:39,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:11:39,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:11:39,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:11:39,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:11:39,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:11:39,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:11:39,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:11:39,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:11:39,406 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_aa7570bf-fe00-4256-8198-f3bfa88da34e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d045864a68e9c51dfb31756cfb4ec52c21a87c4 [2020-12-01 15:11:39,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:11:39,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:11:39,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:11:39,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:11:39,776 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:11:39,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2020-12-01 15:11:39,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/data/147616ea5/d902b568fac34bfbb0184b8dde03dc4d/FLAG6255cbc8e [2020-12-01 15:11:40,643 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:11:40,643 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2020-12-01 15:11:40,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/data/147616ea5/d902b568fac34bfbb0184b8dde03dc4d/FLAG6255cbc8e [2020-12-01 15:11:40,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/data/147616ea5/d902b568fac34bfbb0184b8dde03dc4d [2020-12-01 15:11:40,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:11:40,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:11:40,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:11:40,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:11:40,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:11:40,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:40" (1/1) ... [2020-12-01 15:11:40,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785fc8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:40, skipping insertion in model container [2020-12-01 15:11:40,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:40" (1/1) ... [2020-12-01 15:11:40,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:11:40,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:11:41,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:11:41,699 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:11:41,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:11:42,009 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:11:42,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42 WrapperNode [2020-12-01 15:11:42,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:11:42,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:11:42,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:11:42,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:11:42,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:11:42,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:11:42,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:11:42,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:11:42,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... [2020-12-01 15:11:42,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:11:42,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:11:42,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:11:42,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:11:42,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/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 [2020-12-01 15:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:11:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:11:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:11:46,462 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:11:46,463 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 15:11:46,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:46 BoogieIcfgContainer [2020-12-01 15:11:46,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:11:46,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:11:46,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:11:46,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:11:46,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:11:40" (1/3) ... [2020-12-01 15:11:46,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6cee77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:11:46, skipping insertion in model container [2020-12-01 15:11:46,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:42" (2/3) ... [2020-12-01 15:11:46,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6cee77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:11:46, skipping insertion in model container [2020-12-01 15:11:46,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:46" (3/3) ... [2020-12-01 15:11:46,475 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label21.c [2020-12-01 15:11:46,489 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:11:46,494 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:11:46,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:11:46,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:11:46,535 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:11:46,535 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:11:46,535 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:11:46,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:11:46,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:11:46,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:11:46,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:11:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-12-01 15:11:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 15:11:46,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:46,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:11:46,606 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:46,612 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2020-12-01 15:11:46,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:46,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506397311] [2020-12-01 15:11:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:46,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506397311] [2020-12-01 15:11:46,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:46,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:11:46,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400613109] [2020-12-01 15:11:46,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:46,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:46,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:46,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:46,940 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-12-01 15:11:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:49,916 INFO L93 Difference]: Finished difference Result 1155 states and 2107 transitions. [2020-12-01 15:11:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:49,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-01 15:11:49,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:49,936 INFO L225 Difference]: With dead ends: 1155 [2020-12-01 15:11:49,936 INFO L226 Difference]: Without dead ends: 665 [2020-12-01 15:11:49,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:49,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-12-01 15:11:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2020-12-01 15:11:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-12-01 15:11:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2020-12-01 15:11:50,022 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 60 [2020-12-01 15:11:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:50,023 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2020-12-01 15:11:50,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2020-12-01 15:11:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-01 15:11:50,029 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:50,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:50,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:11:50,030 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:50,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:50,031 INFO L82 PathProgramCache]: Analyzing trace with hash 767840287, now seen corresponding path program 1 times [2020-12-01 15:11:50,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:50,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783867932] [2020-12-01 15:11:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:50,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783867932] [2020-12-01 15:11:50,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:50,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:11:50,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773928101] [2020-12-01 15:11:50,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:11:50,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:50,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:11:50,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:50,306 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand 3 states. [2020-12-01 15:11:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:52,507 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2020-12-01 15:11:52,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:11:52,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-01 15:11:52,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:52,514 INFO L225 Difference]: With dead ends: 1624 [2020-12-01 15:11:52,514 INFO L226 Difference]: Without dead ends: 963 [2020-12-01 15:11:52,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:11:52,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-12-01 15:11:52,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2020-12-01 15:11:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-12-01 15:11:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2020-12-01 15:11:52,588 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 125 [2020-12-01 15:11:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:52,590 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2020-12-01 15:11:52,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:11:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2020-12-01 15:11:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 15:11:52,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:52,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:11:52,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:11:52,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:52,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1166859692, now seen corresponding path program 1 times [2020-12-01 15:11:52,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:52,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246730341] [2020-12-01 15:11:52,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:52,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246730341] [2020-12-01 15:11:52,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:52,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:11:52,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405063284] [2020-12-01 15:11:52,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:11:52,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:52,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:11:52,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:11:52,855 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand 5 states. [2020-12-01 15:11:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:11:56,148 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2020-12-01 15:11:56,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:11:56,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-12-01 15:11:56,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:11:56,161 INFO L225 Difference]: With dead ends: 2248 [2020-12-01 15:11:56,161 INFO L226 Difference]: Without dead ends: 1586 [2020-12-01 15:11:56,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:11:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-12-01 15:11:56,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2020-12-01 15:11:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-12-01 15:11:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2020-12-01 15:11:56,198 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 130 [2020-12-01 15:11:56,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:11:56,198 INFO L481 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2020-12-01 15:11:56,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:11:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2020-12-01 15:11:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 15:11:56,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:11:56,201 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:11:56,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:11:56,202 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:11:56,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:11:56,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1866047568, now seen corresponding path program 1 times [2020-12-01 15:11:56,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:11:56,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757755890] [2020-12-01 15:11:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:11:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:11:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:11:56,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757755890] [2020-12-01 15:11:56,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:11:56,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:11:56,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653498824] [2020-12-01 15:11:56,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:11:56,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:11:56,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:11:56,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:11:56,369 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand 4 states. [2020-12-01 15:12:00,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:00,771 INFO L93 Difference]: Finished difference Result 4668 states and 6173 transitions. [2020-12-01 15:12:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:12:00,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2020-12-01 15:12:00,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:00,791 INFO L225 Difference]: With dead ends: 4668 [2020-12-01 15:12:00,791 INFO L226 Difference]: Without dead ends: 3404 [2020-12-01 15:12:00,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:12:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2020-12-01 15:12:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2020-12-01 15:12:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-12-01 15:12:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2020-12-01 15:12:00,874 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 151 [2020-12-01 15:12:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:00,875 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2020-12-01 15:12:00,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:12:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2020-12-01 15:12:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-12-01 15:12:00,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:00,879 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:00,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:12:00,880 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:00,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:00,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2128210079, now seen corresponding path program 1 times [2020-12-01 15:12:00,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:00,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134922816] [2020-12-01 15:12:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-01 15:12:01,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134922816] [2020-12-01 15:12:01,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:01,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:12:01,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879272718] [2020-12-01 15:12:01,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:01,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:01,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:01,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:01,112 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand 3 states. [2020-12-01 15:12:03,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:03,360 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2020-12-01 15:12:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:03,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-12-01 15:12:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:03,387 INFO L225 Difference]: With dead ends: 8563 [2020-12-01 15:12:03,388 INFO L226 Difference]: Without dead ends: 5483 [2020-12-01 15:12:03,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:03,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2020-12-01 15:12:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2020-12-01 15:12:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-12-01 15:12:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2020-12-01 15:12:03,505 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 219 [2020-12-01 15:12:03,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:03,506 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2020-12-01 15:12:03,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2020-12-01 15:12:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-12-01 15:12:03,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:03,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:03,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:12:03,513 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:03,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:03,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1477248113, now seen corresponding path program 1 times [2020-12-01 15:12:03,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:03,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936998184] [2020-12-01 15:12:03,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-12-01 15:12:03,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936998184] [2020-12-01 15:12:03,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:03,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:12:03,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778492036] [2020-12-01 15:12:03,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:03,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:03,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:03,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:03,976 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand 3 states. [2020-12-01 15:12:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:06,220 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2020-12-01 15:12:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:06,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2020-12-01 15:12:06,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:06,246 INFO L225 Difference]: With dead ends: 10655 [2020-12-01 15:12:06,247 INFO L226 Difference]: Without dead ends: 5478 [2020-12-01 15:12:06,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:06,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2020-12-01 15:12:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2020-12-01 15:12:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-12-01 15:12:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2020-12-01 15:12:06,356 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 321 [2020-12-01 15:12:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:06,357 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2020-12-01 15:12:06,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2020-12-01 15:12:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-12-01 15:12:06,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:06,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:06,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:12:06,368 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:06,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1636093760, now seen corresponding path program 1 times [2020-12-01 15:12:06,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:06,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260425568] [2020-12-01 15:12:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-12-01 15:12:06,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260425568] [2020-12-01 15:12:06,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:06,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:06,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589219867] [2020-12-01 15:12:06,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:06,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:06,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:06,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:06,673 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand 3 states. [2020-12-01 15:12:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:09,110 INFO L93 Difference]: Finished difference Result 12758 states and 15193 transitions. [2020-12-01 15:12:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:09,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 347 [2020-12-01 15:12:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:09,159 INFO L225 Difference]: With dead ends: 12758 [2020-12-01 15:12:09,159 INFO L226 Difference]: Without dead ends: 7581 [2020-12-01 15:12:09,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2020-12-01 15:12:09,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7579. [2020-12-01 15:12:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7579 states. [2020-12-01 15:12:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8655 transitions. [2020-12-01 15:12:09,312 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8655 transitions. Word has length 347 [2020-12-01 15:12:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:09,313 INFO L481 AbstractCegarLoop]: Abstraction has 7579 states and 8655 transitions. [2020-12-01 15:12:09,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8655 transitions. [2020-12-01 15:12:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-12-01 15:12:09,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:09,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:09,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:12:09,324 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:09,324 INFO L82 PathProgramCache]: Analyzing trace with hash 990494015, now seen corresponding path program 1 times [2020-12-01 15:12:09,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:09,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159258435] [2020-12-01 15:12:09,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-01 15:12:09,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159258435] [2020-12-01 15:12:09,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:09,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:09,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128540704] [2020-12-01 15:12:09,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:09,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:09,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:09,676 INFO L87 Difference]: Start difference. First operand 7579 states and 8655 transitions. Second operand 3 states. [2020-12-01 15:12:12,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:12,069 INFO L93 Difference]: Finished difference Result 16956 states and 19716 transitions. [2020-12-01 15:12:12,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:12,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2020-12-01 15:12:12,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:12,104 INFO L225 Difference]: With dead ends: 16956 [2020-12-01 15:12:12,104 INFO L226 Difference]: Without dead ends: 9678 [2020-12-01 15:12:12,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2020-12-01 15:12:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 8781. [2020-12-01 15:12:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8781 states. [2020-12-01 15:12:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9947 transitions. [2020-12-01 15:12:12,340 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9947 transitions. Word has length 406 [2020-12-01 15:12:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:12,342 INFO L481 AbstractCegarLoop]: Abstraction has 8781 states and 9947 transitions. [2020-12-01 15:12:12,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9947 transitions. [2020-12-01 15:12:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-12-01 15:12:12,354 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:12,354 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:12,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:12:12,355 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:12,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1977675077, now seen corresponding path program 1 times [2020-12-01 15:12:12,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:12,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154865195] [2020-12-01 15:12:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:12:12,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154865195] [2020-12-01 15:12:12,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756775728] [2020-12-01 15:12:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:12:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:13,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:12:13,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:12:13,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:12:13,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:12:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 15:12:18,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:12:18,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:12:18,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587280541] [2020-12-01 15:12:18,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:12:18,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:18,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:12:18,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:12:18,503 INFO L87 Difference]: Start difference. First operand 8781 states and 9947 transitions. Second operand 4 states. [2020-12-01 15:12:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:25,977 INFO L93 Difference]: Finished difference Result 27455 states and 31358 transitions. [2020-12-01 15:12:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:12:25,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 407 [2020-12-01 15:12:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:26,003 INFO L225 Difference]: With dead ends: 27455 [2020-12-01 15:12:26,003 INFO L226 Difference]: Without dead ends: 16284 [2020-12-01 15:12:26,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:12:26,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16284 states. [2020-12-01 15:12:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16284 to 16282. [2020-12-01 15:12:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16282 states. [2020-12-01 15:12:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16282 states to 16282 states and 18099 transitions. [2020-12-01 15:12:26,336 INFO L78 Accepts]: Start accepts. Automaton has 16282 states and 18099 transitions. Word has length 407 [2020-12-01 15:12:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:26,337 INFO L481 AbstractCegarLoop]: Abstraction has 16282 states and 18099 transitions. [2020-12-01 15:12:26,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:12:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 16282 states and 18099 transitions. [2020-12-01 15:12:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-12-01 15:12:26,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:26,345 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:26,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-01 15:12:26,566 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:26,566 INFO L82 PathProgramCache]: Analyzing trace with hash -118822548, now seen corresponding path program 1 times [2020-12-01 15:12:26,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:26,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53428078] [2020-12-01 15:12:26,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:12:26,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53428078] [2020-12-01 15:12:26,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:26,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:26,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562029028] [2020-12-01 15:12:26,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:26,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:26,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:26,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:26,952 INFO L87 Difference]: Start difference. First operand 16282 states and 18099 transitions. Second operand 3 states. [2020-12-01 15:12:29,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:29,707 INFO L93 Difference]: Finished difference Result 35264 states and 39722 transitions. [2020-12-01 15:12:29,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:29,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 423 [2020-12-01 15:12:29,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:29,744 INFO L225 Difference]: With dead ends: 35264 [2020-12-01 15:12:29,745 INFO L226 Difference]: Without dead ends: 19283 [2020-12-01 15:12:29,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:29,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19283 states. [2020-12-01 15:12:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19283 to 18375. [2020-12-01 15:12:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18375 states. [2020-12-01 15:12:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18375 states to 18375 states and 20212 transitions. [2020-12-01 15:12:30,015 INFO L78 Accepts]: Start accepts. Automaton has 18375 states and 20212 transitions. Word has length 423 [2020-12-01 15:12:30,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:30,015 INFO L481 AbstractCegarLoop]: Abstraction has 18375 states and 20212 transitions. [2020-12-01 15:12:30,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 18375 states and 20212 transitions. [2020-12-01 15:12:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-12-01 15:12:30,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:30,022 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:30,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:12:30,023 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:30,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:30,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1845239511, now seen corresponding path program 1 times [2020-12-01 15:12:30,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:30,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011269171] [2020-12-01 15:12:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2020-12-01 15:12:30,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011269171] [2020-12-01 15:12:30,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:30,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:30,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3993056] [2020-12-01 15:12:30,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:30,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:30,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:30,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:30,522 INFO L87 Difference]: Start difference. First operand 18375 states and 20212 transitions. Second operand 3 states. [2020-12-01 15:12:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:32,840 INFO L93 Difference]: Finished difference Result 42424 states and 46713 transitions. [2020-12-01 15:12:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:32,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 537 [2020-12-01 15:12:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:32,879 INFO L225 Difference]: With dead ends: 42424 [2020-12-01 15:12:32,880 INFO L226 Difference]: Without dead ends: 22260 [2020-12-01 15:12:32,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:32,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22260 states. [2020-12-01 15:12:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22260 to 17161. [2020-12-01 15:12:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17161 states. [2020-12-01 15:12:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17161 states to 17161 states and 18630 transitions. [2020-12-01 15:12:33,145 INFO L78 Accepts]: Start accepts. Automaton has 17161 states and 18630 transitions. Word has length 537 [2020-12-01 15:12:33,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:33,146 INFO L481 AbstractCegarLoop]: Abstraction has 17161 states and 18630 transitions. [2020-12-01 15:12:33,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17161 states and 18630 transitions. [2020-12-01 15:12:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2020-12-01 15:12:33,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:33,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:33,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:12:33,155 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:33,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:33,156 INFO L82 PathProgramCache]: Analyzing trace with hash -546706585, now seen corresponding path program 1 times [2020-12-01 15:12:33,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:33,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343806910] [2020-12-01 15:12:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-12-01 15:12:33,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343806910] [2020-12-01 15:12:33,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:33,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:33,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339488588] [2020-12-01 15:12:33,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:33,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:33,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:33,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:33,649 INFO L87 Difference]: Start difference. First operand 17161 states and 18630 transitions. Second operand 3 states. [2020-12-01 15:12:36,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:36,020 INFO L93 Difference]: Finished difference Result 33418 states and 36319 transitions. [2020-12-01 15:12:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:36,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 561 [2020-12-01 15:12:36,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:36,046 INFO L225 Difference]: With dead ends: 33418 [2020-12-01 15:12:36,047 INFO L226 Difference]: Without dead ends: 17458 [2020-12-01 15:12:36,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2020-12-01 15:12:36,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17159. [2020-12-01 15:12:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17159 states. [2020-12-01 15:12:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 18626 transitions. [2020-12-01 15:12:36,270 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 18626 transitions. Word has length 561 [2020-12-01 15:12:36,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:36,271 INFO L481 AbstractCegarLoop]: Abstraction has 17159 states and 18626 transitions. [2020-12-01 15:12:36,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 18626 transitions. [2020-12-01 15:12:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2020-12-01 15:12:36,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:36,279 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:36,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 15:12:36,280 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:36,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:36,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1767133457, now seen corresponding path program 1 times [2020-12-01 15:12:36,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:36,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034020647] [2020-12-01 15:12:36,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-12-01 15:12:36,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034020647] [2020-12-01 15:12:36,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:36,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:36,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271647235] [2020-12-01 15:12:36,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:36,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:36,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:36,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:36,803 INFO L87 Difference]: Start difference. First operand 17159 states and 18626 transitions. Second operand 3 states. [2020-12-01 15:12:39,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:39,249 INFO L93 Difference]: Finished difference Result 37002 states and 40586 transitions. [2020-12-01 15:12:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:39,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 570 [2020-12-01 15:12:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:39,279 INFO L225 Difference]: With dead ends: 37002 [2020-12-01 15:12:39,280 INFO L226 Difference]: Without dead ends: 19848 [2020-12-01 15:12:39,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:39,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19848 states. [2020-12-01 15:12:39,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19848 to 13859. [2020-12-01 15:12:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13859 states. [2020-12-01 15:12:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13859 states to 13859 states and 14894 transitions. [2020-12-01 15:12:39,521 INFO L78 Accepts]: Start accepts. Automaton has 13859 states and 14894 transitions. Word has length 570 [2020-12-01 15:12:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:39,522 INFO L481 AbstractCegarLoop]: Abstraction has 13859 states and 14894 transitions. [2020-12-01 15:12:39,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 13859 states and 14894 transitions. [2020-12-01 15:12:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-12-01 15:12:39,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:39,540 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:12:39,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:12:39,541 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:39,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:39,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1694858630, now seen corresponding path program 1 times [2020-12-01 15:12:39,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:39,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607236049] [2020-12-01 15:12:39,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 116 proven. 261 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-01 15:12:40,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607236049] [2020-12-01 15:12:40,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194411940] [2020-12-01 15:12:40,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:12:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:40,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:12:40,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:12:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-12-01 15:12:41,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:12:41,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:12:41,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329600763] [2020-12-01 15:12:41,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:41,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:41,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:41,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:12:41,980 INFO L87 Difference]: Start difference. First operand 13859 states and 14894 transitions. Second operand 3 states. [2020-12-01 15:12:44,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:44,375 INFO L93 Difference]: Finished difference Result 16253 states and 17384 transitions. [2020-12-01 15:12:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:44,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 601 [2020-12-01 15:12:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:44,398 INFO L225 Difference]: With dead ends: 16253 [2020-12-01 15:12:44,399 INFO L226 Difference]: Without dead ends: 16251 [2020-12-01 15:12:44,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:12:44,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16251 states. [2020-12-01 15:12:44,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16251 to 12358. [2020-12-01 15:12:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12358 states. [2020-12-01 15:12:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12358 states to 12358 states and 13355 transitions. [2020-12-01 15:12:44,610 INFO L78 Accepts]: Start accepts. Automaton has 12358 states and 13355 transitions. Word has length 601 [2020-12-01 15:12:44,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:44,610 INFO L481 AbstractCegarLoop]: Abstraction has 12358 states and 13355 transitions. [2020-12-01 15:12:44,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12358 states and 13355 transitions. [2020-12-01 15:12:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2020-12-01 15:12:44,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:44,622 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:44,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-01 15:12:44,848 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:44,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:44,848 INFO L82 PathProgramCache]: Analyzing trace with hash -774374108, now seen corresponding path program 1 times [2020-12-01 15:12:44,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:44,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460733724] [2020-12-01 15:12:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2020-12-01 15:12:45,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460733724] [2020-12-01 15:12:45,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:45,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:45,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97243663] [2020-12-01 15:12:45,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:45,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:45,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:45,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:45,471 INFO L87 Difference]: Start difference. First operand 12358 states and 13355 transitions. Second operand 3 states. [2020-12-01 15:12:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:48,112 INFO L93 Difference]: Finished difference Result 29811 states and 32253 transitions. [2020-12-01 15:12:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:48,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 627 [2020-12-01 15:12:48,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:48,130 INFO L225 Difference]: With dead ends: 29811 [2020-12-01 15:12:48,130 INFO L226 Difference]: Without dead ends: 17754 [2020-12-01 15:12:48,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17754 states. [2020-12-01 15:12:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17754 to 16846. [2020-12-01 15:12:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16846 states. [2020-12-01 15:12:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16846 states to 16846 states and 18015 transitions. [2020-12-01 15:12:48,480 INFO L78 Accepts]: Start accepts. Automaton has 16846 states and 18015 transitions. Word has length 627 [2020-12-01 15:12:48,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:48,480 INFO L481 AbstractCegarLoop]: Abstraction has 16846 states and 18015 transitions. [2020-12-01 15:12:48,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16846 states and 18015 transitions. [2020-12-01 15:12:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-12-01 15:12:48,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:48,495 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:12:48,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:12:48,496 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:48,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:48,497 INFO L82 PathProgramCache]: Analyzing trace with hash -124295479, now seen corresponding path program 1 times [2020-12-01 15:12:48,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:48,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920660172] [2020-12-01 15:12:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 174 proven. 345 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2020-12-01 15:12:49,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920660172] [2020-12-01 15:12:49,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198597388] [2020-12-01 15:12:49,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:12:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:49,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:12:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:12:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-12-01 15:12:50,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:12:50,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:12:50,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614950781] [2020-12-01 15:12:50,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:50,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:50,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:50,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:12:50,905 INFO L87 Difference]: Start difference. First operand 16846 states and 18015 transitions. Second operand 3 states. [2020-12-01 15:12:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:53,576 INFO L93 Difference]: Finished difference Result 36380 states and 39057 transitions. [2020-12-01 15:12:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:53,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 632 [2020-12-01 15:12:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:53,596 INFO L225 Difference]: With dead ends: 36380 [2020-12-01 15:12:53,596 INFO L226 Difference]: Without dead ends: 19835 [2020-12-01 15:12:53,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:12:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19835 states. [2020-12-01 15:12:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19835 to 18340. [2020-12-01 15:12:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18340 states. [2020-12-01 15:12:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18340 states to 18340 states and 19639 transitions. [2020-12-01 15:12:53,842 INFO L78 Accepts]: Start accepts. Automaton has 18340 states and 19639 transitions. Word has length 632 [2020-12-01 15:12:53,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:53,842 INFO L481 AbstractCegarLoop]: Abstraction has 18340 states and 19639 transitions. [2020-12-01 15:12:53,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 18340 states and 19639 transitions. [2020-12-01 15:12:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2020-12-01 15:12:53,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:53,854 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:12:54,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-01 15:12:54,068 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:54,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:54,069 INFO L82 PathProgramCache]: Analyzing trace with hash 267049132, now seen corresponding path program 1 times [2020-12-01 15:12:54,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:54,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754178244] [2020-12-01 15:12:54,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2020-12-01 15:12:54,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754178244] [2020-12-01 15:12:54,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:12:54,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:12:54,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803603562] [2020-12-01 15:12:54,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:54,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:54,573 INFO L87 Difference]: Start difference. First operand 18340 states and 19639 transitions. Second operand 3 states. [2020-12-01 15:12:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:12:57,041 INFO L93 Difference]: Finished difference Result 41459 states and 44404 transitions. [2020-12-01 15:12:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:12:57,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 657 [2020-12-01 15:12:57,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:12:57,067 INFO L225 Difference]: With dead ends: 41459 [2020-12-01 15:12:57,067 INFO L226 Difference]: Without dead ends: 23420 [2020-12-01 15:12:57,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:12:57,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23420 states. [2020-12-01 15:12:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23420 to 19831. [2020-12-01 15:12:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19831 states. [2020-12-01 15:12:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19831 states to 19831 states and 21162 transitions. [2020-12-01 15:12:57,275 INFO L78 Accepts]: Start accepts. Automaton has 19831 states and 21162 transitions. Word has length 657 [2020-12-01 15:12:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:12:57,276 INFO L481 AbstractCegarLoop]: Abstraction has 19831 states and 21162 transitions. [2020-12-01 15:12:57,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:12:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19831 states and 21162 transitions. [2020-12-01 15:12:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2020-12-01 15:12:57,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:12:57,290 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:12:57,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 15:12:57,291 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:12:57,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:12:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash -997232382, now seen corresponding path program 1 times [2020-12-01 15:12:57,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:12:57,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214283874] [2020-12-01 15:12:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:12:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 116 proven. 261 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-12-01 15:12:58,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214283874] [2020-12-01 15:12:58,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172327270] [2020-12-01 15:12:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:12:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:12:58,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:12:58,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:12:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2020-12-01 15:12:59,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:12:59,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:12:59,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260506765] [2020-12-01 15:12:59,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:12:59,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:12:59,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:12:59,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:12:59,742 INFO L87 Difference]: Start difference. First operand 19831 states and 21162 transitions. Second operand 3 states. [2020-12-01 15:13:02,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:13:02,356 INFO L93 Difference]: Finished difference Result 38755 states and 41389 transitions. [2020-12-01 15:13:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:13:02,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 685 [2020-12-01 15:13:02,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:13:02,370 INFO L225 Difference]: With dead ends: 38755 [2020-12-01 15:13:02,370 INFO L226 Difference]: Without dead ends: 19225 [2020-12-01 15:13:02,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:13:02,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19225 states. [2020-12-01 15:13:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19225 to 18626. [2020-12-01 15:13:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18626 states. [2020-12-01 15:13:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18626 states to 18626 states and 19386 transitions. [2020-12-01 15:13:02,542 INFO L78 Accepts]: Start accepts. Automaton has 18626 states and 19386 transitions. Word has length 685 [2020-12-01 15:13:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:13:02,543 INFO L481 AbstractCegarLoop]: Abstraction has 18626 states and 19386 transitions. [2020-12-01 15:13:02,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:13:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 18626 states and 19386 transitions. [2020-12-01 15:13:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2020-12-01 15:13:02,561 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:13:02,562 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:13:02,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-01 15:13:02,763 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:13:02,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:13:02,764 INFO L82 PathProgramCache]: Analyzing trace with hash -98891547, now seen corresponding path program 1 times [2020-12-01 15:13:02,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:13:02,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60861757] [2020-12-01 15:13:02,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:13:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:13:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-12-01 15:13:03,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60861757] [2020-12-01 15:13:03,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:13:03,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:13:03,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79435839] [2020-12-01 15:13:03,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:13:03,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:13:03,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:13:03,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:13:03,816 INFO L87 Difference]: Start difference. First operand 18626 states and 19386 transitions. Second operand 4 states. [2020-12-01 15:13:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:13:08,282 INFO L93 Difference]: Finished difference Result 42341 states and 44010 transitions. [2020-12-01 15:13:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:13:08,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 827 [2020-12-01 15:13:08,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:13:08,284 INFO L225 Difference]: With dead ends: 42341 [2020-12-01 15:13:08,285 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:13:08,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:13:08,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:13:08,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:13:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:13:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:13:08,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 827 [2020-12-01 15:13:08,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:13:08,295 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:13:08,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:13:08,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:13:08,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:13:08,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-01 15:13:08,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:13:08,667 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 217 [2020-12-01 15:13:08,991 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 216 [2020-12-01 15:13:09,402 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 217 [2020-12-01 15:13:10,892 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 212 DAG size of output: 60 [2020-12-01 15:13:12,200 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 211 DAG size of output: 60 [2020-12-01 15:13:13,577 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 212 DAG size of output: 60 [2020-12-01 15:13:13,581 INFO L262 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,581 INFO L262 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,581 INFO L262 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,582 INFO L262 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,583 INFO L262 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,584 INFO L262 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 15:13:13,585 INFO L262 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,586 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,587 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,588 INFO L262 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,589 INFO L262 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-01 15:13:13,590 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 15:13:13,591 INFO L262 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,592 INFO L262 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,593 INFO L262 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,594 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-12-01 15:13:13,595 INFO L262 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,596 INFO L262 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,597 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,598 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 15:13:13,599 INFO L262 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,600 INFO L262 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,601 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 15:13:13,602 INFO L262 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,603 INFO L262 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 15:13:13,604 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-12-01 15:13:13,605 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,606 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,607 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,608 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,608 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,608 INFO L258 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse8 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse4 (<= 5 ~a2~0)) (.cse3 (= 3 ~a2~0)) (.cse6 (<= (+ ~a29~0 127) 0)) (.cse9 (<= 44 ~a29~0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= .cse8 0)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse6 .cse7) (and .cse7 .cse4) (and .cse0 (= ~a2~0 4)) (and .cse0 .cse3 (<= 0 (+ ~a0~0 44))) (and .cse0 .cse5 (< 0 .cse8)) (and .cse0 .cse9 .cse4) (and .cse3 .cse7) (and .cse0 .cse6 .cse2) (and .cse2 .cse7) (and .cse5 .cse9 .cse7) (and .cse10 (<= (+ ~a4~0 89) 0)) (and .cse0 .cse5 (< 0 (+ ~a0~0 98))) (and .cse10 .cse5 .cse7) (and .cse10 .cse2)))) [2020-12-01 15:13:13,608 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,609 INFO L262 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L265 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 15:13:13,610 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 15:13:13,611 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,612 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,613 INFO L262 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,613 INFO L258 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse8 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse4 (<= 5 ~a2~0)) (.cse3 (= 3 ~a2~0)) (.cse6 (<= (+ ~a29~0 127) 0)) (.cse9 (<= 44 ~a29~0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= .cse8 0)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse6 .cse7) (and .cse7 .cse4) (and .cse0 (= ~a2~0 4)) (and .cse0 .cse3 (<= 0 (+ ~a0~0 44))) (and .cse0 .cse5 (< 0 .cse8)) (and .cse0 .cse9 .cse4) (and .cse3 .cse7) (and .cse0 .cse6 .cse2) (and .cse2 .cse7) (and .cse5 .cse9 .cse7) (and .cse10 (<= (+ ~a4~0 89) 0)) (and .cse0 .cse5 (< 0 (+ ~a0~0 98))) (and .cse10 .cse5 .cse7) (and .cse10 .cse2)))) [2020-12-01 15:13:13,613 INFO L262 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,613 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 15:13:13,613 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 15:13:13,613 INFO L262 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,614 INFO L262 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,615 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,616 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,617 INFO L262 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,618 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,619 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,620 INFO L262 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,621 INFO L262 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,621 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,621 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,621 INFO L262 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,621 INFO L258 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse8 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse4 (<= 5 ~a2~0)) (.cse3 (= 3 ~a2~0)) (.cse6 (<= (+ ~a29~0 127) 0)) (.cse9 (<= 44 ~a29~0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= .cse8 0)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse1 .cse4) (and .cse5 .cse6 .cse7) (and .cse7 .cse4) (and .cse0 (= ~a2~0 4)) (and .cse0 .cse3 (<= 0 (+ ~a0~0 44))) (and .cse0 .cse5 (< 0 .cse8)) (and .cse0 .cse9 .cse4) (and .cse3 .cse7) (and .cse0 .cse6 .cse2) (and .cse2 .cse7) (and .cse5 .cse9 .cse7) (and .cse10 (<= (+ ~a4~0 89) 0)) (and .cse0 .cse5 (< 0 (+ ~a0~0 98))) (and .cse10 .cse5 .cse7) (and .cse10 .cse2)))) [2020-12-01 15:13:13,621 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,622 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,623 INFO L262 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,624 INFO L262 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,625 INFO L262 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,626 INFO L262 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,627 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,628 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 15:13:13,629 INFO L262 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,629 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:13:13,629 INFO L262 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,629 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 15:13:13,629 INFO L262 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-12-01 15:13:13,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:13:13 BoogieIcfgContainer [2020-12-01 15:13:13,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:13:13,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:13:13,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:13:13,674 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:13:13,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:46" (3/4) ... [2020-12-01 15:13:13,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:13:13,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 15:13:13,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:13:13,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:13:13,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:13:14,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa7570bf-fe00-4256-8198-f3bfa88da34e/bin/uautomizer/witness.graphml [2020-12-01 15:13:14,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:13:14,007 INFO L168 Benchmark]: Toolchain (without parser) took 93237.34 ms. Allocated memory was 90.2 MB in the beginning and 1.9 GB in the end (delta: 1.9 GB). Free memory was 53.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 336.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,008 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:13:14,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.82 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 52.8 MB in the beginning and 55.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 284.17 ms. Allocated memory is still 113.2 MB. Free memory was 55.3 MB in the beginning and 53.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,009 INFO L168 Benchmark]: Boogie Preprocessor took 350.03 ms. Allocated memory is still 113.2 MB. Free memory was 53.6 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,009 INFO L168 Benchmark]: RCFGBuilder took 3818.32 ms. Allocated memory was 113.2 MB in the beginning and 276.8 MB in the end (delta: 163.6 MB). Free memory was 50.6 MB in the beginning and 130.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,010 INFO L168 Benchmark]: TraceAbstraction took 87206.23 ms. Allocated memory was 276.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 129.4 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,010 INFO L168 Benchmark]: Witness Printer took 331.37 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:13:14,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1238.82 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 52.8 MB in the beginning and 55.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 284.17 ms. Allocated memory is still 113.2 MB. Free memory was 55.3 MB in the beginning and 53.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 350.03 ms. Allocated memory is still 113.2 MB. Free memory was 53.6 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3818.32 ms. Allocated memory was 113.2 MB in the beginning and 276.8 MB in the end (delta: 163.6 MB). Free memory was 50.6 MB in the beginning and 130.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87206.23 ms. Allocated memory was 276.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 129.4 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 331.37 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.9 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: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 2 == a2) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2)) || ((a2 == 1 && a29 + 127 <= 0) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a4 + 42 <= 0 && 3 == a2) && 0 <= a0 + 44)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || (3 == a2 && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 2 == a2)) || (2 == a2 && a4 + 86 <= 0)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && 2 == a2) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 2 == a2) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2)) || ((a2 == 1 && a29 + 127 <= 0) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a4 + 42 <= 0 && 3 == a2) && 0 <= a0 + 44)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || (3 == a2 && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 2 == a2)) || (2 == a2 && a4 + 86 <= 0)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && 2 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 2 == a2) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 3 == a2)) || ((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2)) || ((a2 == 1 && a29 + 127 <= 0) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a4 + 42 <= 0 && 3 == a2) && 0 <= a0 + 44)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || (3 == a2 && a4 + 86 <= 0)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 2 == a2)) || (2 == a2 && a4 + 86 <= 0)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && 2 == a2) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.7s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 57.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6694 SDtfs, 5810 SDslu, 807 SDs, 0 SdLazy, 19915 SolverSat, 4115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2384 GetRequests, 2350 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19831occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 24030 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 315 NumberOfFragments, 622 HoareAnnotationTreeSize, 4 FomulaSimplifications, 61712 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 18589 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 10611 NumberOfCodeBlocks, 10611 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 10588 ConstructedInterpolants, 58 QuantifiedInterpolants, 19759999 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2861 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 8896/9827 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...