./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.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_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 06f925fc3e4de3ddd5d74df83531ec43aca2adae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:31:52,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:31:52,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:31:52,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:31:52,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:31:52,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:31:52,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:31:52,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:31:52,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:31:52,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:31:52,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:31:52,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:31:52,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:31:52,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:31:52,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:31:52,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:31:52,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:31:52,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:31:52,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:31:52,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:31:52,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:31:52,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:31:52,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:31:52,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:31:52,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:31:52,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:31:52,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:31:52,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:31:52,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:31:52,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:31:52,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:31:52,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:31:52,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:31:52,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:31:52,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:31:52,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:31:52,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:31:52,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:31:52,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:31:52,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:31:52,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:31:52,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:31:52,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:31:52,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:31:52,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:31:52,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:31:52,659 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:31:52,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:31:52,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:31:52,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:31:52,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:31:52,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:31:52,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:31:52,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:31:52,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:31:52,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:31:52,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:31:52,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:31:52,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:31:52,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:31:52,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:31:52,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:31:52,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:31:52,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:31:52,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:31:52,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:31:52,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:31:52,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:31:52,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:31:52,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:31:52,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:31:52,666 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_07131228-6ac7-4efc-bf55-11f03ae66494/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06f925fc3e4de3ddd5d74df83531ec43aca2adae [2020-12-01 15:31:52,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:31:53,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:31:53,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:31:53,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:31:53,041 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:31:53,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2020-12-01 15:31:53,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/data/b0f11510f/7495a35eeac84499a99af54ec47a80b6/FLAGf85db22f8 [2020-12-01 15:31:53,979 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:31:53,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2020-12-01 15:31:54,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/data/b0f11510f/7495a35eeac84499a99af54ec47a80b6/FLAGf85db22f8 [2020-12-01 15:31:54,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/data/b0f11510f/7495a35eeac84499a99af54ec47a80b6 [2020-12-01 15:31:54,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:31:54,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:31:54,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:31:54,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:31:54,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:31:54,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:31:54" (1/1) ... [2020-12-01 15:31:54,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a80733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:54, skipping insertion in model container [2020-12-01 15:31:54,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:31:54" (1/1) ... [2020-12-01 15:31:54,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:31:54,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:31:55,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:31:55,233 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:31:55,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:31:55,698 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:31:55,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55 WrapperNode [2020-12-01 15:31:55,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:31:55,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:31:55,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:31:55,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:31:55,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:55,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:31:56,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:31:56,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:31:56,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:31:56,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... [2020-12-01 15:31:56,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:31:56,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:31:56,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:31:56,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:31:56,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 15:31:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:31:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:31:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:31:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:32:00,868 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:32:00,869 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 15:32:00,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:32:00 BoogieIcfgContainer [2020-12-01 15:32:00,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:32:00,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:32:00,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:32:00,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:32:00,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:31:54" (1/3) ... [2020-12-01 15:32:00,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b83b734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:32:00, skipping insertion in model container [2020-12-01 15:32:00,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:55" (2/3) ... [2020-12-01 15:32:00,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b83b734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:32:00, skipping insertion in model container [2020-12-01 15:32:00,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:32:00" (3/3) ... [2020-12-01 15:32:00,884 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label57.c [2020-12-01 15:32:00,907 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:32:00,912 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:32:00,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:32:00,983 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:32:00,986 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:32:00,986 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:32:00,986 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:32:00,987 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:32:00,987 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:32:00,987 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:32:00,987 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:32:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-12-01 15:32:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 15:32:01,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:01,040 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] [2020-12-01 15:32:01,040 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:01,048 INFO L82 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2020-12-01 15:32:01,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:01,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648022427] [2020-12-01 15:32:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:01,401 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 15:32:01,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648022427] [2020-12-01 15:32:01,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:01,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:32:01,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021378795] [2020-12-01 15:32:01,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:01,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:01,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:01,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:01,434 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-12-01 15:32:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:05,826 INFO L93 Difference]: Finished difference Result 1192 states and 2158 transitions. [2020-12-01 15:32:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:05,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-01 15:32:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:05,866 INFO L225 Difference]: With dead ends: 1192 [2020-12-01 15:32:05,867 INFO L226 Difference]: Without dead ends: 688 [2020-12-01 15:32:05,874 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 15:32:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-12-01 15:32:05,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2020-12-01 15:32:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-12-01 15:32:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2020-12-01 15:32:05,979 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 41 [2020-12-01 15:32:05,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:05,980 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2020-12-01 15:32:05,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2020-12-01 15:32:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 15:32:05,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:05,987 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:05,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:32:05,988 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:05,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1773957607, now seen corresponding path program 1 times [2020-12-01 15:32:05,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:05,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378223873] [2020-12-01 15:32:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:32:06,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378223873] [2020-12-01 15:32:06,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:06,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:32:06,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383903732] [2020-12-01 15:32:06,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:06,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:06,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:06,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:06,340 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand 3 states. [2020-12-01 15:32:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:09,216 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2020-12-01 15:32:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:09,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-01 15:32:09,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:09,228 INFO L225 Difference]: With dead ends: 1964 [2020-12-01 15:32:09,228 INFO L226 Difference]: Without dead ends: 1286 [2020-12-01 15:32:09,232 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 15:32:09,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-12-01 15:32:09,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2020-12-01 15:32:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-12-01 15:32:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2020-12-01 15:32:09,321 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 109 [2020-12-01 15:32:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:09,325 INFO L481 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2020-12-01 15:32:09,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2020-12-01 15:32:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 15:32:09,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:09,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:09,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:32:09,337 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:09,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2139813253, now seen corresponding path program 1 times [2020-12-01 15:32:09,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:09,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835883334] [2020-12-01 15:32:09,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:32:09,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835883334] [2020-12-01 15:32:09,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:09,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:09,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970346413] [2020-12-01 15:32:09,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:09,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:09,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:09,573 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand 3 states. [2020-12-01 15:32:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:13,038 INFO L93 Difference]: Finished difference Result 3766 states and 5246 transitions. [2020-12-01 15:32:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:13,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-01 15:32:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:13,062 INFO L225 Difference]: With dead ends: 3766 [2020-12-01 15:32:13,062 INFO L226 Difference]: Without dead ends: 2487 [2020-12-01 15:32:13,066 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 15:32:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2020-12-01 15:32:13,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2487. [2020-12-01 15:32:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2487 states. [2020-12-01 15:32:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3094 transitions. [2020-12-01 15:32:13,151 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3094 transitions. Word has length 117 [2020-12-01 15:32:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:13,154 INFO L481 AbstractCegarLoop]: Abstraction has 2487 states and 3094 transitions. [2020-12-01 15:32:13,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3094 transitions. [2020-12-01 15:32:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 15:32:13,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:13,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:13,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:32:13,162 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:13,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash 768037415, now seen corresponding path program 1 times [2020-12-01 15:32:13,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:13,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966852680] [2020-12-01 15:32:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:32:13,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966852680] [2020-12-01 15:32:13,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:13,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:32:13,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91861055] [2020-12-01 15:32:13,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:13,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:13,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:13,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:13,370 INFO L87 Difference]: Start difference. First operand 2487 states and 3094 transitions. Second operand 3 states. [2020-12-01 15:32:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:16,424 INFO L93 Difference]: Finished difference Result 6173 states and 7859 transitions. [2020-12-01 15:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:16,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-01 15:32:16,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:16,453 INFO L225 Difference]: With dead ends: 6173 [2020-12-01 15:32:16,453 INFO L226 Difference]: Without dead ends: 3688 [2020-12-01 15:32:16,458 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 15:32:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2020-12-01 15:32:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3387. [2020-12-01 15:32:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3387 states. [2020-12-01 15:32:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4102 transitions. [2020-12-01 15:32:16,557 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4102 transitions. Word has length 123 [2020-12-01 15:32:16,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:16,558 INFO L481 AbstractCegarLoop]: Abstraction has 3387 states and 4102 transitions. [2020-12-01 15:32:16,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4102 transitions. [2020-12-01 15:32:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-12-01 15:32:16,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:16,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:16,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:32:16,564 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:16,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:16,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1950800666, now seen corresponding path program 1 times [2020-12-01 15:32:16,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:16,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71518880] [2020-12-01 15:32:16,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:32:16,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71518880] [2020-12-01 15:32:16,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:16,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:16,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496508559] [2020-12-01 15:32:16,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:16,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:16,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:16,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:16,957 INFO L87 Difference]: Start difference. First operand 3387 states and 4102 transitions. Second operand 3 states. [2020-12-01 15:32:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:20,185 INFO L93 Difference]: Finished difference Result 7974 states and 9877 transitions. [2020-12-01 15:32:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:20,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-12-01 15:32:20,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:20,218 INFO L225 Difference]: With dead ends: 7974 [2020-12-01 15:32:20,219 INFO L226 Difference]: Without dead ends: 4589 [2020-12-01 15:32:20,224 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 15:32:20,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2020-12-01 15:32:20,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 4587. [2020-12-01 15:32:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4587 states. [2020-12-01 15:32:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4587 states to 4587 states and 5419 transitions. [2020-12-01 15:32:20,339 INFO L78 Accepts]: Start accepts. Automaton has 4587 states and 5419 transitions. Word has length 237 [2020-12-01 15:32:20,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:20,340 INFO L481 AbstractCegarLoop]: Abstraction has 4587 states and 5419 transitions. [2020-12-01 15:32:20,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4587 states and 5419 transitions. [2020-12-01 15:32:20,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-01 15:32:20,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:20,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:20,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:32:20,349 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:20,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:20,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1427057070, now seen corresponding path program 1 times [2020-12-01 15:32:20,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:20,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302644303] [2020-12-01 15:32:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:32:20,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302644303] [2020-12-01 15:32:20,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:20,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:20,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400059686] [2020-12-01 15:32:20,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:20,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:20,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:20,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:20,725 INFO L87 Difference]: Start difference. First operand 4587 states and 5419 transitions. Second operand 3 states. [2020-12-01 15:32:24,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:24,019 INFO L93 Difference]: Finished difference Result 10374 states and 12513 transitions. [2020-12-01 15:32:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:24,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-12-01 15:32:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:24,060 INFO L225 Difference]: With dead ends: 10374 [2020-12-01 15:32:24,061 INFO L226 Difference]: Without dead ends: 5789 [2020-12-01 15:32:24,068 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 15:32:24,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5789 states. [2020-12-01 15:32:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5789 to 5485. [2020-12-01 15:32:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5485 states. [2020-12-01 15:32:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 6440 transitions. [2020-12-01 15:32:24,273 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 6440 transitions. Word has length 323 [2020-12-01 15:32:24,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:24,279 INFO L481 AbstractCegarLoop]: Abstraction has 5485 states and 6440 transitions. [2020-12-01 15:32:24,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 6440 transitions. [2020-12-01 15:32:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-12-01 15:32:24,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:24,290 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:32:24,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:32:24,291 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:24,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1621205020, now seen corresponding path program 1 times [2020-12-01 15:32:24,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:24,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702422096] [2020-12-01 15:32:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 15:32:25,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702422096] [2020-12-01 15:32:25,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:25,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:32:25,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379392748] [2020-12-01 15:32:25,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:25,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:25,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:25,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:25,139 INFO L87 Difference]: Start difference. First operand 5485 states and 6440 transitions. Second operand 3 states. [2020-12-01 15:32:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:28,170 INFO L93 Difference]: Finished difference Result 11267 states and 13189 transitions. [2020-12-01 15:32:28,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:28,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 401 [2020-12-01 15:32:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:28,207 INFO L225 Difference]: With dead ends: 11267 [2020-12-01 15:32:28,208 INFO L226 Difference]: Without dead ends: 5784 [2020-12-01 15:32:28,216 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 15:32:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5784 states. [2020-12-01 15:32:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5784 to 5784. [2020-12-01 15:32:28,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5784 states. [2020-12-01 15:32:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 6745 transitions. [2020-12-01 15:32:28,415 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 6745 transitions. Word has length 401 [2020-12-01 15:32:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:28,416 INFO L481 AbstractCegarLoop]: Abstraction has 5784 states and 6745 transitions. [2020-12-01 15:32:28,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 6745 transitions. [2020-12-01 15:32:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-12-01 15:32:28,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:28,431 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:28,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:32:28,432 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:28,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1415722065, now seen corresponding path program 1 times [2020-12-01 15:32:28,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:28,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534481305] [2020-12-01 15:32:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-12-01 15:32:29,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534481305] [2020-12-01 15:32:29,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:29,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:29,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552859238] [2020-12-01 15:32:29,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:29,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:29,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:29,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:29,159 INFO L87 Difference]: Start difference. First operand 5784 states and 6745 transitions. Second operand 3 states. [2020-12-01 15:32:32,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:32,531 INFO L93 Difference]: Finished difference Result 14556 states and 17044 transitions. [2020-12-01 15:32:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:32,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 492 [2020-12-01 15:32:32,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:32,577 INFO L225 Difference]: With dead ends: 14556 [2020-12-01 15:32:32,577 INFO L226 Difference]: Without dead ends: 9073 [2020-12-01 15:32:32,584 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 15:32:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9073 states. [2020-12-01 15:32:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9073 to 7578. [2020-12-01 15:32:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7578 states. [2020-12-01 15:32:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8701 transitions. [2020-12-01 15:32:32,727 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8701 transitions. Word has length 492 [2020-12-01 15:32:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:32,729 INFO L481 AbstractCegarLoop]: Abstraction has 7578 states and 8701 transitions. [2020-12-01 15:32:32,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8701 transitions. [2020-12-01 15:32:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-12-01 15:32:32,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:32,751 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2020-12-01 15:32:32,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:32:32,751 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:32,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1718934838, now seen corresponding path program 1 times [2020-12-01 15:32:32,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:32,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462012504] [2020-12-01 15:32:32,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 487 proven. 39 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-12-01 15:32:33,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462012504] [2020-12-01 15:32:33,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229148512] [2020-12-01 15:32:33,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 15:32:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:33,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:32:33,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:32:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2020-12-01 15:32:35,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:32:35,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:32:35,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329590056] [2020-12-01 15:32:35,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:35,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:35,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:35,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:32:35,165 INFO L87 Difference]: Start difference. First operand 7578 states and 8701 transitions. Second operand 3 states. [2020-12-01 15:32:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:38,042 INFO L93 Difference]: Finished difference Result 17246 states and 20051 transitions. [2020-12-01 15:32:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:38,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 525 [2020-12-01 15:32:38,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:38,064 INFO L225 Difference]: With dead ends: 17246 [2020-12-01 15:32:38,064 INFO L226 Difference]: Without dead ends: 9969 [2020-12-01 15:32:38,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:32:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2020-12-01 15:32:38,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2020-12-01 15:32:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9969 states. [2020-12-01 15:32:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11462 transitions. [2020-12-01 15:32:38,246 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11462 transitions. Word has length 525 [2020-12-01 15:32:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:38,247 INFO L481 AbstractCegarLoop]: Abstraction has 9969 states and 11462 transitions. [2020-12-01 15:32:38,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11462 transitions. [2020-12-01 15:32:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2020-12-01 15:32:38,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:38,257 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2020-12-01 15:32:38,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-01 15:32:38,486 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:38,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:38,486 INFO L82 PathProgramCache]: Analyzing trace with hash 678494912, now seen corresponding path program 1 times [2020-12-01 15:32:38,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:38,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617274571] [2020-12-01 15:32:38,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-01 15:32:39,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617274571] [2020-12-01 15:32:39,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:39,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:39,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195334224] [2020-12-01 15:32:39,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:39,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:39,048 INFO L87 Difference]: Start difference. First operand 9969 states and 11462 transitions. Second operand 3 states. [2020-12-01 15:32:42,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:42,186 INFO L93 Difference]: Finished difference Result 24136 states and 28000 transitions. [2020-12-01 15:32:42,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:42,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 529 [2020-12-01 15:32:42,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:42,216 INFO L225 Difference]: With dead ends: 24136 [2020-12-01 15:32:42,216 INFO L226 Difference]: Without dead ends: 14468 [2020-12-01 15:32:42,226 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 15:32:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2020-12-01 15:32:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2020-12-01 15:32:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14158 states. [2020-12-01 15:32:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16065 transitions. [2020-12-01 15:32:42,445 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16065 transitions. Word has length 529 [2020-12-01 15:32:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:42,446 INFO L481 AbstractCegarLoop]: Abstraction has 14158 states and 16065 transitions. [2020-12-01 15:32:42,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16065 transitions. [2020-12-01 15:32:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2020-12-01 15:32:42,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:42,458 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:42,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:32:42,458 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:42,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1932812916, now seen corresponding path program 1 times [2020-12-01 15:32:42,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:42,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010065591] [2020-12-01 15:32:42,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 644 proven. 39 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-12-01 15:32:43,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010065591] [2020-12-01 15:32:43,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242869802] [2020-12-01 15:32:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 15:32:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:43,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:32:43,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:32:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2020-12-01 15:32:44,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:32:44,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:32:44,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143438637] [2020-12-01 15:32:44,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:44,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:44,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:44,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:32:44,356 INFO L87 Difference]: Start difference. First operand 14158 states and 16065 transitions. Second operand 3 states. [2020-12-01 15:32:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:46,943 INFO L93 Difference]: Finished difference Result 27712 states and 31488 transitions. [2020-12-01 15:32:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:46,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 604 [2020-12-01 15:32:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:46,976 INFO L225 Difference]: With dead ends: 27712 [2020-12-01 15:32:46,976 INFO L226 Difference]: Without dead ends: 13855 [2020-12-01 15:32:46,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:32:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2020-12-01 15:32:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13555. [2020-12-01 15:32:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13555 states. [2020-12-01 15:32:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13555 states to 13555 states and 14678 transitions. [2020-12-01 15:32:47,217 INFO L78 Accepts]: Start accepts. Automaton has 13555 states and 14678 transitions. Word has length 604 [2020-12-01 15:32:47,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:47,218 INFO L481 AbstractCegarLoop]: Abstraction has 13555 states and 14678 transitions. [2020-12-01 15:32:47,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 13555 states and 14678 transitions. [2020-12-01 15:32:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2020-12-01 15:32:47,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:47,234 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:32:47,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:32:47,450 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:47,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:47,450 INFO L82 PathProgramCache]: Analyzing trace with hash 7023477, now seen corresponding path program 1 times [2020-12-01 15:32:47,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:47,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009605810] [2020-12-01 15:32:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-01 15:32:48,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009605810] [2020-12-01 15:32:48,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683199203] [2020-12-01 15:32:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 15:32:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:48,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:32:48,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:32:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-01 15:32:49,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:32:49,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:32:49,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005471801] [2020-12-01 15:32:49,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:32:49,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:49,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:32:49,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:32:49,900 INFO L87 Difference]: Start difference. First operand 13555 states and 14678 transitions. Second operand 4 states. [2020-12-01 15:32:54,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:54,225 INFO L93 Difference]: Finished difference Result 28306 states and 30686 transitions. [2020-12-01 15:32:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:32:54,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 605 [2020-12-01 15:32:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:54,251 INFO L225 Difference]: With dead ends: 28306 [2020-12-01 15:32:54,252 INFO L226 Difference]: Without dead ends: 14753 [2020-12-01 15:32:54,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:32:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14753 states. [2020-12-01 15:32:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14753 to 14453. [2020-12-01 15:32:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14453 states. [2020-12-01 15:32:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14453 states to 14453 states and 15621 transitions. [2020-12-01 15:32:54,513 INFO L78 Accepts]: Start accepts. Automaton has 14453 states and 15621 transitions. Word has length 605 [2020-12-01 15:32:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:54,514 INFO L481 AbstractCegarLoop]: Abstraction has 14453 states and 15621 transitions. [2020-12-01 15:32:54,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:32:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14453 states and 15621 transitions. [2020-12-01 15:32:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2020-12-01 15:32:54,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:54,527 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:54,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 15:32:54,742 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:54,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:54,742 INFO L82 PathProgramCache]: Analyzing trace with hash -491517156, now seen corresponding path program 1 times [2020-12-01 15:32:54,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:54,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689359419] [2020-12-01 15:32:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2020-12-01 15:32:55,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689359419] [2020-12-01 15:32:55,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:55,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:32:55,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123781453] [2020-12-01 15:32:55,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:32:55,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:55,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:32:55,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:32:55,501 INFO L87 Difference]: Start difference. First operand 14453 states and 15621 transitions. Second operand 3 states. [2020-12-01 15:32:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:32:58,616 INFO L93 Difference]: Finished difference Result 36972 states and 39939 transitions. [2020-12-01 15:32:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:32:58,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 642 [2020-12-01 15:32:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:32:58,653 INFO L225 Difference]: With dead ends: 36972 [2020-12-01 15:32:58,653 INFO L226 Difference]: Without dead ends: 18933 [2020-12-01 15:32:58,664 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 15:32:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18933 states. [2020-12-01 15:32:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18933 to 17139. [2020-12-01 15:32:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17139 states. [2020-12-01 15:32:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17139 states to 17139 states and 18023 transitions. [2020-12-01 15:32:59,012 INFO L78 Accepts]: Start accepts. Automaton has 17139 states and 18023 transitions. Word has length 642 [2020-12-01 15:32:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:32:59,013 INFO L481 AbstractCegarLoop]: Abstraction has 17139 states and 18023 transitions. [2020-12-01 15:32:59,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:32:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 17139 states and 18023 transitions. [2020-12-01 15:32:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-12-01 15:32:59,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:32:59,028 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 15:32:59,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:32:59,028 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:32:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:32:59,029 INFO L82 PathProgramCache]: Analyzing trace with hash -577007684, now seen corresponding path program 1 times [2020-12-01 15:32:59,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:32:59,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115405264] [2020-12-01 15:32:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:32:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:32:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2020-12-01 15:32:59,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115405264] [2020-12-01 15:32:59,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:32:59,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:32:59,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29665724] [2020-12-01 15:32:59,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:32:59,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:32:59,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:32:59,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:32:59,555 INFO L87 Difference]: Start difference. First operand 17139 states and 18023 transitions. Second operand 4 states. [2020-12-01 15:33:04,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:04,119 INFO L93 Difference]: Finished difference Result 44741 states and 47076 transitions. [2020-12-01 15:33:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:33:04,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 666 [2020-12-01 15:33:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:04,158 INFO L225 Difference]: With dead ends: 44741 [2020-12-01 15:33:04,158 INFO L226 Difference]: Without dead ends: 21624 [2020-12-01 15:33:04,171 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 15:33:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21624 states. [2020-12-01 15:33:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21624 to 18634. [2020-12-01 15:33:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18634 states. [2020-12-01 15:33:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18634 states to 18634 states and 19263 transitions. [2020-12-01 15:33:04,441 INFO L78 Accepts]: Start accepts. Automaton has 18634 states and 19263 transitions. Word has length 666 [2020-12-01 15:33:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:04,443 INFO L481 AbstractCegarLoop]: Abstraction has 18634 states and 19263 transitions. [2020-12-01 15:33:04,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:33:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 18634 states and 19263 transitions. [2020-12-01 15:33:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2020-12-01 15:33:04,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:04,461 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:33:04,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 15:33:04,461 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash 65074380, now seen corresponding path program 1 times [2020-12-01 15:33:04,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:04,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384373619] [2020-12-01 15:33:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2020-12-01 15:33:05,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384373619] [2020-12-01 15:33:05,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:05,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:33:05,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658814028] [2020-12-01 15:33:05,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:33:05,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:05,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:33:05,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:33:05,148 INFO L87 Difference]: Start difference. First operand 18634 states and 19263 transitions. Second operand 3 states. [2020-12-01 15:33:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:07,366 INFO L93 Difference]: Finished difference Result 37562 states and 38831 transitions. [2020-12-01 15:33:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:33:07,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 697 [2020-12-01 15:33:07,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:07,389 INFO L225 Difference]: With dead ends: 37562 [2020-12-01 15:33:07,389 INFO L226 Difference]: Without dead ends: 18930 [2020-12-01 15:33:07,402 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 15:33:07,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18930 states. [2020-12-01 15:33:07,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18930 to 18630. [2020-12-01 15:33:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18630 states. [2020-12-01 15:33:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18630 states to 18630 states and 19256 transitions. [2020-12-01 15:33:07,803 INFO L78 Accepts]: Start accepts. Automaton has 18630 states and 19256 transitions. Word has length 697 [2020-12-01 15:33:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:07,804 INFO L481 AbstractCegarLoop]: Abstraction has 18630 states and 19256 transitions. [2020-12-01 15:33:07,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:33:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 18630 states and 19256 transitions. [2020-12-01 15:33:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-12-01 15:33:07,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:07,832 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:33:07,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:33:07,832 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:07,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:07,833 INFO L82 PathProgramCache]: Analyzing trace with hash 2120447415, now seen corresponding path program 1 times [2020-12-01 15:33:07,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:07,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634582306] [2020-12-01 15:33:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-12-01 15:33:08,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634582306] [2020-12-01 15:33:08,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:08,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:33:08,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065307891] [2020-12-01 15:33:08,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:33:08,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:08,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:33:08,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:33:08,839 INFO L87 Difference]: Start difference. First operand 18630 states and 19256 transitions. Second operand 3 states. [2020-12-01 15:33:11,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:11,038 INFO L93 Difference]: Finished difference Result 39946 states and 41309 transitions. [2020-12-01 15:33:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:33:11,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2020-12-01 15:33:11,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:11,066 INFO L225 Difference]: With dead ends: 39946 [2020-12-01 15:33:11,066 INFO L226 Difference]: Without dead ends: 21318 [2020-12-01 15:33:11,078 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 15:33:11,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21318 states. [2020-12-01 15:33:11,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21318 to 19823. [2020-12-01 15:33:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19823 states. [2020-12-01 15:33:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19823 states to 19823 states and 20439 transitions. [2020-12-01 15:33:11,354 INFO L78 Accepts]: Start accepts. Automaton has 19823 states and 20439 transitions. Word has length 768 [2020-12-01 15:33:11,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:11,355 INFO L481 AbstractCegarLoop]: Abstraction has 19823 states and 20439 transitions. [2020-12-01 15:33:11,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:33:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 19823 states and 20439 transitions. [2020-12-01 15:33:11,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2020-12-01 15:33:11,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:11,377 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:33:11,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-01 15:33:11,377 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2125208608, now seen corresponding path program 1 times [2020-12-01 15:33:11,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:11,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225173620] [2020-12-01 15:33:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-12-01 15:33:12,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225173620] [2020-12-01 15:33:12,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:12,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:33:12,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729163575] [2020-12-01 15:33:12,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:33:12,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:12,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:33:12,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:33:12,308 INFO L87 Difference]: Start difference. First operand 19823 states and 20439 transitions. Second operand 3 states. [2020-12-01 15:33:14,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:14,408 INFO L93 Difference]: Finished difference Result 42033 states and 43366 transitions. [2020-12-01 15:33:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:33:14,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 789 [2020-12-01 15:33:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:14,437 INFO L225 Difference]: With dead ends: 42033 [2020-12-01 15:33:14,437 INFO L226 Difference]: Without dead ends: 21913 [2020-12-01 15:33:14,449 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 15:33:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21913 states. [2020-12-01 15:33:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21913 to 18022. [2020-12-01 15:33:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18022 states. [2020-12-01 15:33:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18022 states to 18022 states and 18560 transitions. [2020-12-01 15:33:14,709 INFO L78 Accepts]: Start accepts. Automaton has 18022 states and 18560 transitions. Word has length 789 [2020-12-01 15:33:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:14,710 INFO L481 AbstractCegarLoop]: Abstraction has 18022 states and 18560 transitions. [2020-12-01 15:33:14,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:33:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 18022 states and 18560 transitions. [2020-12-01 15:33:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2020-12-01 15:33:14,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:14,731 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:33:14,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 15:33:14,732 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:14,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:14,733 INFO L82 PathProgramCache]: Analyzing trace with hash -935345818, now seen corresponding path program 1 times [2020-12-01 15:33:14,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:14,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748251580] [2020-12-01 15:33:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2020-12-01 15:33:15,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748251580] [2020-12-01 15:33:15,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:15,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:33:15,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285060793] [2020-12-01 15:33:15,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:33:15,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:15,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:33:15,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:33:15,489 INFO L87 Difference]: Start difference. First operand 18022 states and 18560 transitions. Second operand 3 states. [2020-12-01 15:33:17,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:17,541 INFO L93 Difference]: Finished difference Result 37835 states and 38975 transitions. [2020-12-01 15:33:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:33:17,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 826 [2020-12-01 15:33:17,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:17,560 INFO L225 Difference]: With dead ends: 37835 [2020-12-01 15:33:17,560 INFO L226 Difference]: Without dead ends: 19815 [2020-12-01 15:33:17,574 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 15:33:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19815 states. [2020-12-01 15:33:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19815 to 18619. [2020-12-01 15:33:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18619 states. [2020-12-01 15:33:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18619 states to 18619 states and 19157 transitions. [2020-12-01 15:33:17,807 INFO L78 Accepts]: Start accepts. Automaton has 18619 states and 19157 transitions. Word has length 826 [2020-12-01 15:33:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:17,807 INFO L481 AbstractCegarLoop]: Abstraction has 18619 states and 19157 transitions. [2020-12-01 15:33:17,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:33:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18619 states and 19157 transitions. [2020-12-01 15:33:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-12-01 15:33:17,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:17,826 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:33:17,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-01 15:33:17,826 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:17,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1927807558, now seen corresponding path program 1 times [2020-12-01 15:33:17,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:17,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907120086] [2020-12-01 15:33:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 597 proven. 269 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-12-01 15:33:20,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907120086] [2020-12-01 15:33:20,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028358200] [2020-12-01 15:33:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/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 15:33:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:20,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:33:20,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:33:22,283 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:33:22,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:33:22,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:33:22,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:33:22,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:33:22,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:33:22,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:33:22,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:33:23,019 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 15:33:23,485 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 15:33:23,508 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2020-12-01 15:33:23,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:33:23,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-12-01 15:33:23,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560407544] [2020-12-01 15:33:23,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:33:23,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:33:23,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:33:23,512 INFO L87 Difference]: Start difference. First operand 18619 states and 19157 transitions. Second operand 5 states. [2020-12-01 15:33:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:28,837 INFO L93 Difference]: Finished difference Result 39809 states and 40939 transitions. [2020-12-01 15:33:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:33:28,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 847 [2020-12-01 15:33:28,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:28,856 INFO L225 Difference]: With dead ends: 39809 [2020-12-01 15:33:28,856 INFO L226 Difference]: Without dead ends: 21192 [2020-12-01 15:33:28,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:33:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21192 states. [2020-12-01 15:33:29,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21192 to 19217. [2020-12-01 15:33:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19217 states. [2020-12-01 15:33:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 19760 transitions. [2020-12-01 15:33:29,057 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 19760 transitions. Word has length 847 [2020-12-01 15:33:29,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:29,058 INFO L481 AbstractCegarLoop]: Abstraction has 19217 states and 19760 transitions. [2020-12-01 15:33:29,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:33:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 19760 transitions. [2020-12-01 15:33:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2020-12-01 15:33:29,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:29,069 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:33:29,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:33:29,270 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:29,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:29,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1649810244, now seen corresponding path program 1 times [2020-12-01 15:33:29,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:29,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639723980] [2020-12-01 15:33:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2020-12-01 15:33:30,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639723980] [2020-12-01 15:33:30,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:30,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:33:30,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630282454] [2020-12-01 15:33:30,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:33:30,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:30,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:33:30,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:33:30,200 INFO L87 Difference]: Start difference. First operand 19217 states and 19760 transitions. Second operand 4 states. [2020-12-01 15:33:34,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:34,059 INFO L93 Difference]: Finished difference Result 45026 states and 46264 transitions. [2020-12-01 15:33:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:33:34,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 859 [2020-12-01 15:33:34,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:34,092 INFO L225 Difference]: With dead ends: 45026 [2020-12-01 15:33:34,092 INFO L226 Difference]: Without dead ends: 26110 [2020-12-01 15:33:34,102 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 15:33:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26110 states. [2020-12-01 15:33:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26110 to 20118. [2020-12-01 15:33:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20118 states. [2020-12-01 15:33:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20118 states to 20118 states and 20667 transitions. [2020-12-01 15:33:34,322 INFO L78 Accepts]: Start accepts. Automaton has 20118 states and 20667 transitions. Word has length 859 [2020-12-01 15:33:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:34,323 INFO L481 AbstractCegarLoop]: Abstraction has 20118 states and 20667 transitions. [2020-12-01 15:33:34,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:33:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 20118 states and 20667 transitions. [2020-12-01 15:33:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2020-12-01 15:33:34,334 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:33:34,334 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 15:33:34,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-01 15:33:34,334 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:33:34,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:33:34,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1627054662, now seen corresponding path program 1 times [2020-12-01 15:33:34,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:33:34,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913619006] [2020-12-01 15:33:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:33:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:33:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-12-01 15:33:35,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913619006] [2020-12-01 15:33:35,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:33:35,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:33:35,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717190564] [2020-12-01 15:33:35,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:33:35,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:33:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:33:35,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:33:35,397 INFO L87 Difference]: Start difference. First operand 20118 states and 20667 transitions. Second operand 3 states. [2020-12-01 15:33:37,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:33:37,237 INFO L93 Difference]: Finished difference Result 31819 states and 32611 transitions. [2020-12-01 15:33:37,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:33:37,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 921 [2020-12-01 15:33:37,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:33:37,239 INFO L225 Difference]: With dead ends: 31819 [2020-12-01 15:33:37,239 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:33:37,247 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 15:33:37,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:33:37,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:33:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:33:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:33:37,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 921 [2020-12-01 15:33:37,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:33:37,249 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:33:37,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:33:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:33:37,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:33:37,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-01 15:33:37,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:33:37,881 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 250 [2020-12-01 15:33:38,171 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 197 [2020-12-01 15:33:38,707 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 250 [2020-12-01 15:33:41,271 WARN L197 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 223 DAG size of output: 85 [2020-12-01 15:33:42,928 WARN L197 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 172 DAG size of output: 79 [2020-12-01 15:33:45,268 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 223 DAG size of output: 85 [2020-12-01 15:33:45,274 INFO L262 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,274 INFO L262 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,274 INFO L262 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,274 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,274 INFO L262 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,275 INFO L262 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,276 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,277 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,278 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,279 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,280 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,281 INFO L262 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,282 INFO L262 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 15:33:45,283 INFO L262 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,284 INFO L262 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,285 INFO L262 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,286 INFO L262 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 15:33:45,287 INFO L262 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,288 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,289 INFO L262 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 15:33:45,290 INFO L262 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 15:33:45,291 INFO L262 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,292 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,293 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,294 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,295 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,296 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-01 15:33:45,297 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 15:33:45,298 INFO L262 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 15:33:45,299 INFO L262 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,300 INFO L262 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 15:33:45,301 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,302 INFO L262 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 15:33:45,303 INFO L262 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,304 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-12-01 15:33:45,305 INFO L262 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-12-01 15:33:45,306 INFO L262 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,306 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,306 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,306 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,307 INFO L258 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61))) (let ((.cse19 (+ ~a0~0 147)) (.cse4 (<= .cse17 0)) (.cse13 (= ~a2~0 1)) (.cse11 (< 0 (+ ~a4~0 86)))) (let ((.cse6 (<= (+ ~a29~0 127) 0)) (.cse14 (or (and .cse4 .cse13) (and .cse13 .cse11))) (.cse15 (<= 0 (+ ~a0~0 600000))) (.cse8 (= ~a2~0 4)) (.cse18 (< 0 .cse19)) (.cse2 (<= ~a29~0 43)) (.cse3 (<= (+ ~a0~0 98) 0)) (.cse7 (<= 5 ~a2~0)) (.cse5 (<= (+ ~a4~0 89) 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse12 (<= .cse19 0)) (.cse1 (= 3 ~a2~0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse10 (< 43 ~a29~0)) (.cse16 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (or (and .cse5 .cse6 .cse7) (and .cse8 .cse5))) (and .cse1 .cse5) (and .cse9 .cse0 .cse10 .cse11 .cse8) (and .cse0 .cse12 .cse11 .cse8) (and .cse13 .cse5 .cse6) (and .cse0 .cse14 .cse2 .cse15) (and .cse0 .cse11 .cse16 .cse3) (and .cse5 .cse16) (and .cse0 .cse11 .cse3 .cse15 .cse7) (and .cse0 .cse12 .cse10 .cse7 .cse15) (and .cse5 (< 0 .cse17) .cse7) (and .cse10 .cse5 .cse7) (and .cse0 .cse14 .cse3 .cse15) (and .cse0 .cse18 .cse1 .cse3) (and .cse8 .cse5 .cse2) (and .cse9 .cse0 .cse18 .cse2 .cse7) (and .cse5 .cse3 .cse7) (and .cse4 .cse13 .cse5) (and .cse0 .cse12 .cse11 .cse1) (and .cse9 .cse10 .cse16))))) [2020-12-01 15:33:45,307 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 15:33:45,307 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 15:33:45,307 INFO L262 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,308 INFO L262 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L265 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-12-01 15:33:45,309 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,310 INFO L262 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,311 INFO L262 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,312 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:33:45,312 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,312 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,312 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,312 INFO L262 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L258 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61))) (let ((.cse19 (+ ~a0~0 147)) (.cse0 (<= .cse17 0)) (.cse14 (= ~a2~0 1)) (.cse6 (< 0 (+ ~a4~0 86)))) (let ((.cse2 (<= (+ ~a29~0 127) 0)) (.cse4 (= ~a2~0 4)) (.cse15 (or (and .cse0 .cse14) (and .cse14 .cse6))) (.cse8 (<= 0 (+ ~a0~0 600000))) (.cse18 (< 0 .cse19)) (.cse11 (<= ~a29~0 43)) (.cse7 (<= (+ ~a0~0 98) 0)) (.cse3 (<= 5 ~a2~0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse5 (<= (+ ~a4~0 42) 0)) (.cse13 (<= .cse19 0)) (.cse10 (= 3 ~a2~0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse12 (< 43 ~a29~0)) (.cse16 (= 2 ~a2~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse4 .cse1))) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse5 .cse9 .cse10 .cse11) (and .cse10 .cse1) (and .cse9 .cse5 .cse12 .cse6 .cse4) (and .cse5 .cse13 .cse6 .cse4) (and .cse14 .cse1 .cse2) (and .cse5 .cse15 .cse11 .cse8) (and .cse5 .cse6 .cse16 .cse7) (and .cse1 .cse16) (and .cse5 .cse13 .cse12 .cse3 .cse8) (and .cse1 (< 0 .cse17) .cse3) (and .cse12 .cse1 .cse3) (and .cse4 .cse1 .cse11) (and .cse5 .cse15 .cse7 .cse8) (and .cse5 .cse18 .cse10 .cse7) (and .cse9 .cse5 .cse18 .cse11 .cse3) (and .cse1 .cse7 .cse3) (and .cse0 .cse14 .cse1) (and .cse5 .cse13 .cse6 .cse10) (and .cse9 .cse12 .cse16))))) [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,313 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,314 INFO L262 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,315 INFO L262 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,316 INFO L262 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,317 INFO L262 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 15:33:45,318 INFO L262 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,319 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,320 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 15:33:45,321 INFO L262 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,322 INFO L262 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,322 INFO L262 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,322 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,322 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,322 INFO L262 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,323 INFO L258 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61))) (let ((.cse19 (+ ~a0~0 147)) (.cse0 (<= .cse17 0)) (.cse14 (= ~a2~0 1)) (.cse6 (< 0 (+ ~a4~0 86)))) (let ((.cse2 (<= (+ ~a29~0 127) 0)) (.cse4 (= ~a2~0 4)) (.cse15 (or (and .cse0 .cse14) (and .cse14 .cse6))) (.cse8 (<= 0 (+ ~a0~0 600000))) (.cse18 (< 0 .cse19)) (.cse11 (<= ~a29~0 43)) (.cse7 (<= (+ ~a0~0 98) 0)) (.cse3 (<= 5 ~a2~0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse5 (<= (+ ~a4~0 42) 0)) (.cse13 (<= .cse19 0)) (.cse10 (= 3 ~a2~0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse12 (< 43 ~a29~0)) (.cse16 (= 2 ~a2~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse4 .cse1))) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse5 .cse9 .cse10 .cse11) (and .cse10 .cse1) (and .cse9 .cse5 .cse12 .cse6 .cse4) (and .cse5 .cse13 .cse6 .cse4) (and .cse14 .cse1 .cse2) (and .cse5 .cse15 .cse11 .cse8) (and .cse5 .cse6 .cse16 .cse7) (and .cse1 .cse16) (and .cse5 .cse13 .cse12 .cse3 .cse8) (and .cse1 (< 0 .cse17) .cse3) (and .cse12 .cse1 .cse3) (and .cse4 .cse1 .cse11) (and .cse5 .cse15 .cse7 .cse8) (and .cse5 .cse18 .cse10 .cse7) (and .cse9 .cse5 .cse18 .cse11 .cse3) (and .cse1 .cse7 .cse3) (and .cse0 .cse14 .cse1) (and .cse5 .cse13 .cse6 .cse10) (and .cse9 .cse12 .cse16))))) [2020-12-01 15:33:45,323 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 15:33:45,323 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 15:33:45,323 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,323 INFO L262 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,323 INFO L262 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-01 15:33:45,324 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,325 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,326 INFO L262 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 15:33:45,327 INFO L262 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,328 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,329 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,330 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 15:33:45,331 INFO L262 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,332 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 15:33:45,332 INFO L262 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-12-01 15:33:45,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:33:45 BoogieIcfgContainer [2020-12-01 15:33:45,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:33:45,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:33:45,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:33:45,381 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:33:45,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:32:00" (3/4) ... [2020-12-01 15:33:45,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:33:45,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 15:33:45,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:33:45,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:33:45,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:33:45,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07131228-6ac7-4efc-bf55-11f03ae66494/bin/uautomizer/witness.graphml [2020-12-01 15:33:45,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:33:45,704 INFO L168 Benchmark]: Toolchain (without parser) took 111649.31 ms. Allocated memory was 90.2 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 55.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,705 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 90.2 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:33:45,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1644.01 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 55.1 MB in the beginning and 71.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 392.69 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 62.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,706 INFO L168 Benchmark]: Boogie Preprocessor took 405.16 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 62.5 MB in the beginning and 126.4 MB in the end (delta: -63.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,707 INFO L168 Benchmark]: RCFGBuilder took 4368.81 ms. Allocated memory was 197.1 MB in the beginning and 337.6 MB in the end (delta: 140.5 MB). Free memory was 126.1 MB in the beginning and 194.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,707 INFO L168 Benchmark]: TraceAbstraction took 104505.77 ms. Allocated memory was 337.6 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 194.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,708 INFO L168 Benchmark]: Witness Printer took 322.31 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:33:45,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 90.2 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1644.01 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 55.1 MB in the beginning and 71.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 392.69 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 62.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 405.16 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 62.5 MB in the beginning and 126.4 MB in the end (delta: -63.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4368.81 ms. Allocated memory was 197.1 MB in the beginning and 337.6 MB in the end (delta: 140.5 MB). Free memory was 126.1 MB in the beginning and 194.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 104505.77 ms. Allocated memory was 337.6 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 194.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * Witness Printer took 322.31 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 41.9 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: ((((((((((((((((((((a0 + 61 <= 0 && (((a4 + 89 <= 0 && a29 + 127 <= 0) && 5 <= a2) || (a2 == 4 && a4 + 89 <= 0))) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 5 <= a2) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && a0 + 105 <= 0) && 3 == a2) && a29 <= 43)) || (3 == a2 && a4 + 89 <= 0)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 43 < a29) && 0 < a4 + 86) && a2 == 4)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4)) || ((a2 == 1 && a4 + 89 <= 0) && a29 + 127 <= 0)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a29 <= 43) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || (a4 + 89 <= 0 && 2 == a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 5 <= a2) && 0 <= a0 + 600000)) || ((a4 + 89 <= 0 && 0 < a0 + 61) && 5 <= a2)) || ((43 < a29 && a4 + 89 <= 0) && 5 <= a2)) || ((a2 == 4 && a4 + 89 <= 0) && a29 <= 43)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a0 + 98 <= 0) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 0 < a0 + 147) && a29 <= 43) && 5 <= a2)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a2 == 1) && a4 + 89 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 3 == a2)) || ((a0 + 105 <= 0 && 43 < a29) && 2 == a2) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a4 + 42 <= 0 && 3 == a2) && a29 <= 43) && a0 + 98 <= 0) || (a0 + 61 <= 0 && (((a4 + 89 <= 0 && a29 + 127 <= 0) && 5 <= a2) || (a2 == 4 && a4 + 89 <= 0)))) || (3 == a2 && a4 + 89 <= 0)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 43 < a29) && 0 < a4 + 86) && a2 == 4)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4)) || ((a2 == 1 && a4 + 89 <= 0) && a29 + 127 <= 0)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a29 <= 43) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || (a4 + 89 <= 0 && 2 == a2)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 0 <= a0 + 600000) && 5 <= a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 5 <= a2) && 0 <= a0 + 600000)) || ((a4 + 89 <= 0 && 0 < a0 + 61) && 5 <= a2)) || ((43 < a29 && a4 + 89 <= 0) && 5 <= a2)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a0 + 98 <= 0) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0)) || ((a2 == 4 && a4 + 89 <= 0) && a29 <= 43)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 0 < a0 + 147) && a29 <= 43) && 5 <= a2)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a2 == 1) && a4 + 89 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 3 == a2)) || ((a0 + 105 <= 0 && 43 < a29) && 2 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a0 + 61 <= 0 && (((a4 + 89 <= 0 && a29 + 127 <= 0) && 5 <= a2) || (a2 == 4 && a4 + 89 <= 0))) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 5 <= a2) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && a0 + 105 <= 0) && 3 == a2) && a29 <= 43)) || (3 == a2 && a4 + 89 <= 0)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 43 < a29) && 0 < a4 + 86) && a2 == 4)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4)) || ((a2 == 1 && a4 + 89 <= 0) && a29 + 127 <= 0)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a29 <= 43) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || (a4 + 89 <= 0 && 2 == a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 5 <= a2) && 0 <= a0 + 600000)) || ((a4 + 89 <= 0 && 0 < a0 + 61) && 5 <= a2)) || ((43 < a29 && a4 + 89 <= 0) && 5 <= a2)) || ((a2 == 4 && a4 + 89 <= 0) && a29 <= 43)) || (((a4 + 42 <= 0 && ((a0 + 61 <= 0 && a2 == 1) || (a2 == 1 && 0 < a4 + 86))) && a0 + 98 <= 0) && 0 <= a0 + 600000)) || (((a4 + 42 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 98 <= 0)) || ((((a0 + 105 <= 0 && a4 + 42 <= 0) && 0 < a0 + 147) && a29 <= 43) && 5 <= a2)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 61 <= 0 && a2 == 1) && a4 + 89 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 3 == a2)) || ((a0 + 105 <= 0 && 43 < a29) && 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: 96.2s, OverallIterations: 21, TraceHistogramMax: 6, AutomataDifference: 67.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7553 SDtfs, 6248 SDslu, 847 SDs, 0 SdLazy, 21968 SolverSat, 3854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2604 GetRequests, 2566 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20118occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 22658 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 228 NumberOfFragments, 1177 HoareAnnotationTreeSize, 4 FomulaSimplifications, 30838 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 12384 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 12855 NumberOfCodeBlocks, 12855 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 12831 ConstructedInterpolants, 0 QuantifiedInterpolants, 24900840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2228 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 15247/15633 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...