./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.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_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/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 7bd2985f660b19340ae7013a5ce2561bd08d1535 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:00:11,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:00:11,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:00:12,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:00:12,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:00:12,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:00:12,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:00:12,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:00:12,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:00:12,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:00:12,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:00:12,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:00:12,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:00:12,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:00:12,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:00:12,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:00:12,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:00:12,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:00:12,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:00:12,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:00:12,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:00:12,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:00:12,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:00:12,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:00:12,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:00:12,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:00:12,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:00:12,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:00:12,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:00:12,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:00:12,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:00:12,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:00:12,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:00:12,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:00:12,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:00:12,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:00:12,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:00:12,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:00:12,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:00:12,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:00:12,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:00:12,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:00:12,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:00:12,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:00:12,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:00:12,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:00:12,197 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:00:12,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:00:12,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:00:12,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:00:12,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:00:12,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:00:12,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:00:12,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:00:12,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:00:12,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:00:12,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:00:12,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:00:12,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:00:12,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:00:12,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:00:12,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:00:12,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:00:12,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:00:12,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:00:12,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:00:12,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:00:12,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:00:12,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:00:12,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:00:12,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:00:12,206 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_056e77a8-9861-4fa9-ad80-5d3bb6f01605/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd2985f660b19340ae7013a5ce2561bd08d1535 [2020-12-01 16:00:12,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:00:12,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:00:12,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:00:12,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:00:12,641 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:00:12,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2020-12-01 16:00:12,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/data/8b8ea9516/da2c2de4a91940c890a42cfa4611c63b/FLAG31eae7f0f [2020-12-01 16:00:13,573 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:00:13,575 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2020-12-01 16:00:13,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/data/8b8ea9516/da2c2de4a91940c890a42cfa4611c63b/FLAG31eae7f0f [2020-12-01 16:00:13,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/data/8b8ea9516/da2c2de4a91940c890a42cfa4611c63b [2020-12-01 16:00:13,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:00:13,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:00:13,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:00:13,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:00:13,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:00:13,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:00:13" (1/1) ... [2020-12-01 16:00:13,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495f4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:13, skipping insertion in model container [2020-12-01 16:00:13,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:00:13" (1/1) ... [2020-12-01 16:00:13,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:00:13,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:00:14,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:00:14,801 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:00:15,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:00:15,306 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:00:15,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15 WrapperNode [2020-12-01 16:00:15,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:00:15,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:00:15,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:00:15,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:00:15,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:00:15,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:00:15,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:00:15,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:00:15,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... [2020-12-01 16:00:15,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:00:15,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:00:16,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:00:16,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:00:16,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/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 16:00:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:00:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:00:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:00:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:00:20,138 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:00:20,139 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 16:00:20,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:20 BoogieIcfgContainer [2020-12-01 16:00:20,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:00:20,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:00:20,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:00:20,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:00:20,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:00:13" (1/3) ... [2020-12-01 16:00:20,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756b3b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:00:20, skipping insertion in model container [2020-12-01 16:00:20,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:15" (2/3) ... [2020-12-01 16:00:20,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756b3b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:00:20, skipping insertion in model container [2020-12-01 16:00:20,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:20" (3/3) ... [2020-12-01 16:00:20,161 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label20.c [2020-12-01 16:00:20,182 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:00:20,187 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 16:00:20,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 16:00:20,259 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:00:20,260 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:00:20,261 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:00:20,261 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:00:20,261 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:00:20,262 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:00:20,262 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:00:20,262 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:00:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-12-01 16:00:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:00:20,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:20,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:00:20,314 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-12-01 16:00:20,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:20,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414155020] [2020-12-01 16:00:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:20,763 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 16:00:20,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414155020] [2020-12-01 16:00:20,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:20,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:00:20,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801276119] [2020-12-01 16:00:20,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:20,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:20,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:20,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:20,794 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-12-01 16:00:24,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:24,116 INFO L93 Difference]: Finished difference Result 1155 states and 2107 transitions. [2020-12-01 16:00:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:00:24,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-01 16:00:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:24,142 INFO L225 Difference]: With dead ends: 1155 [2020-12-01 16:00:24,142 INFO L226 Difference]: Without dead ends: 665 [2020-12-01 16:00:24,148 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 16:00:24,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-12-01 16:00:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2020-12-01 16:00:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-12-01 16:00:24,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2020-12-01 16:00:24,273 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 42 [2020-12-01 16:00:24,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:24,274 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2020-12-01 16:00:24,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:00:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2020-12-01 16:00:24,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:00:24,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:24,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 16:00:24,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:00:24,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:24,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:24,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1823694295, now seen corresponding path program 1 times [2020-12-01 16:00:24,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:24,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093791076] [2020-12-01 16:00:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:24,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093791076] [2020-12-01 16:00:24,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:24,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:00:24,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054673779] [2020-12-01 16:00:24,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:24,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:24,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:24,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:24,631 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand 3 states. [2020-12-01 16:00:27,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:27,373 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2020-12-01 16:00:27,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:00:27,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-12-01 16:00:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:27,381 INFO L225 Difference]: With dead ends: 1624 [2020-12-01 16:00:27,382 INFO L226 Difference]: Without dead ends: 963 [2020-12-01 16:00:27,384 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 16:00:27,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-12-01 16:00:27,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2020-12-01 16:00:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-12-01 16:00:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2020-12-01 16:00:27,445 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 107 [2020-12-01 16:00:27,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:27,446 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2020-12-01 16:00:27,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:00:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2020-12-01 16:00:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 16:00:27,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:27,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:27,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:00:27,453 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:27,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1781958812, now seen corresponding path program 1 times [2020-12-01 16:00:27,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:27,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837704779] [2020-12-01 16:00:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:27,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837704779] [2020-12-01 16:00:27,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:27,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:00:27,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945862658] [2020-12-01 16:00:27,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:00:27,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:27,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:00:27,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:00:27,667 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand 5 states. [2020-12-01 16:00:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:31,957 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2020-12-01 16:00:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:00:31,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-12-01 16:00:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:31,970 INFO L225 Difference]: With dead ends: 2248 [2020-12-01 16:00:31,971 INFO L226 Difference]: Without dead ends: 1586 [2020-12-01 16:00:31,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:00:31,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-12-01 16:00:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2020-12-01 16:00:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-12-01 16:00:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2020-12-01 16:00:32,014 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 112 [2020-12-01 16:00:32,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:32,015 INFO L481 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2020-12-01 16:00:32,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:00:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2020-12-01 16:00:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 16:00:32,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:32,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:32,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:00:32,020 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:32,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1619679144, now seen corresponding path program 1 times [2020-12-01 16:00:32,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:32,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131219825] [2020-12-01 16:00:32,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:32,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131219825] [2020-12-01 16:00:32,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:32,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:00:32,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359246974] [2020-12-01 16:00:32,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:00:32,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:32,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:00:32,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:32,249 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand 4 states. [2020-12-01 16:00:37,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:37,502 INFO L93 Difference]: Finished difference Result 4670 states and 6174 transitions. [2020-12-01 16:00:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:00:37,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-12-01 16:00:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:37,527 INFO L225 Difference]: With dead ends: 4670 [2020-12-01 16:00:37,527 INFO L226 Difference]: Without dead ends: 3406 [2020-12-01 16:00:37,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:37,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-12-01 16:00:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2020-12-01 16:00:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-12-01 16:00:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4182 transitions. [2020-12-01 16:00:37,624 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4182 transitions. Word has length 133 [2020-12-01 16:00:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:37,625 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 4182 transitions. [2020-12-01 16:00:37,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:00:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4182 transitions. [2020-12-01 16:00:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 16:00:37,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:37,631 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-12-01 16:00:37,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 16:00:37,631 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:37,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:37,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1809107964, now seen corresponding path program 1 times [2020-12-01 16:00:37,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:37,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755887071] [2020-12-01 16:00:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:00:38,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755887071] [2020-12-01 16:00:38,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:38,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:00:38,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093402951] [2020-12-01 16:00:38,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:38,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:38,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:38,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:38,015 INFO L87 Difference]: Start difference. First operand 3381 states and 4182 transitions. Second operand 3 states. [2020-12-01 16:00:40,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:40,656 INFO L93 Difference]: Finished difference Result 8563 states and 10760 transitions. [2020-12-01 16:00:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:00:40,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-12-01 16:00:40,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:40,701 INFO L225 Difference]: With dead ends: 8563 [2020-12-01 16:00:40,701 INFO L226 Difference]: Without dead ends: 5483 [2020-12-01 16:00:40,706 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 16:00:40,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2020-12-01 16:00:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2020-12-01 16:00:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-12-01 16:00:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6405 transitions. [2020-12-01 16:00:40,842 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6405 transitions. Word has length 199 [2020-12-01 16:00:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:40,842 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6405 transitions. [2020-12-01 16:00:40,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:00:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6405 transitions. [2020-12-01 16:00:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-12-01 16:00:40,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:40,847 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:40,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 16:00:40,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:40,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:40,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1159284944, now seen corresponding path program 1 times [2020-12-01 16:00:40,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:40,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896122220] [2020-12-01 16:00:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:41,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896122220] [2020-12-01 16:00:41,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:41,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:00:41,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399817066] [2020-12-01 16:00:41,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:41,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:41,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:41,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:41,235 INFO L87 Difference]: Start difference. First operand 5478 states and 6405 transitions. Second operand 3 states. [2020-12-01 16:00:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:43,662 INFO L93 Difference]: Finished difference Result 10655 states and 12497 transitions. [2020-12-01 16:00:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:00:43,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-12-01 16:00:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:43,693 INFO L225 Difference]: With dead ends: 10655 [2020-12-01 16:00:43,693 INFO L226 Difference]: Without dead ends: 5478 [2020-12-01 16:00:43,699 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 16:00:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2020-12-01 16:00:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2020-12-01 16:00:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-12-01 16:00:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2020-12-01 16:00:43,825 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 200 [2020-12-01 16:00:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:43,826 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2020-12-01 16:00:43,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:00:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2020-12-01 16:00:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-12-01 16:00:43,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:43,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:43,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 16:00:43,831 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:43,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:43,832 INFO L82 PathProgramCache]: Analyzing trace with hash 77634115, now seen corresponding path program 1 times [2020-12-01 16:00:43,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:43,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382408296] [2020-12-01 16:00:43,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:44,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382408296] [2020-12-01 16:00:44,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:44,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:00:44,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381462133] [2020-12-01 16:00:44,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:00:44,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:44,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:00:44,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:44,148 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand 4 states. [2020-12-01 16:00:49,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:49,439 INFO L93 Difference]: Finished difference Result 12184 states and 14319 transitions. [2020-12-01 16:00:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:00:49,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2020-12-01 16:00:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:49,481 INFO L225 Difference]: With dead ends: 12184 [2020-12-01 16:00:49,481 INFO L226 Difference]: Without dead ends: 7007 [2020-12-01 16:00:49,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:49,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2020-12-01 16:00:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 5786. [2020-12-01 16:00:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5786 states. [2020-12-01 16:00:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 6826 transitions. [2020-12-01 16:00:49,635 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 6826 transitions. Word has length 218 [2020-12-01 16:00:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:49,636 INFO L481 AbstractCegarLoop]: Abstraction has 5786 states and 6826 transitions. [2020-12-01 16:00:49,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:00:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 6826 transitions. [2020-12-01 16:00:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-01 16:00:49,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:49,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:49,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 16:00:49,643 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:49,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash -2126496108, now seen corresponding path program 1 times [2020-12-01 16:00:49,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:49,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806620378] [2020-12-01 16:00:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:00:50,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806620378] [2020-12-01 16:00:50,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:50,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:00:50,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698791357] [2020-12-01 16:00:50,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:00:50,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:00:50,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:50,071 INFO L87 Difference]: Start difference. First operand 5786 states and 6826 transitions. Second operand 4 states. [2020-12-01 16:00:55,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:55,556 INFO L93 Difference]: Finished difference Result 13094 states and 15499 transitions. [2020-12-01 16:00:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:00:55,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 275 [2020-12-01 16:00:55,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:55,592 INFO L225 Difference]: With dead ends: 13094 [2020-12-01 16:00:55,592 INFO L226 Difference]: Without dead ends: 7609 [2020-12-01 16:00:55,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:00:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2020-12-01 16:00:55,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 6086. [2020-12-01 16:00:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6086 states. [2020-12-01 16:00:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 7150 transitions. [2020-12-01 16:00:55,718 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 7150 transitions. Word has length 275 [2020-12-01 16:00:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:55,719 INFO L481 AbstractCegarLoop]: Abstraction has 6086 states and 7150 transitions. [2020-12-01 16:00:55,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:00:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 7150 transitions. [2020-12-01 16:00:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-01 16:00:55,726 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:55,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:00:55,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 16:00:55,727 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:55,728 INFO L82 PathProgramCache]: Analyzing trace with hash 891547288, now seen corresponding path program 1 times [2020-12-01 16:00:55,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:55,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964631099] [2020-12-01 16:00:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-12-01 16:00:56,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964631099] [2020-12-01 16:00:56,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:56,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:00:56,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202611488] [2020-12-01 16:00:56,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:56,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:56,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:56,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:56,069 INFO L87 Difference]: Start difference. First operand 6086 states and 7150 transitions. Second operand 3 states. [2020-12-01 16:00:59,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:00:59,286 INFO L93 Difference]: Finished difference Result 13665 states and 16397 transitions. [2020-12-01 16:00:59,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:00:59,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-12-01 16:00:59,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:00:59,308 INFO L225 Difference]: With dead ends: 13665 [2020-12-01 16:00:59,309 INFO L226 Difference]: Without dead ends: 7880 [2020-12-01 16:00:59,315 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 16:00:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2020-12-01 16:00:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 5781. [2020-12-01 16:00:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5781 states. [2020-12-01 16:00:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 6817 transitions. [2020-12-01 16:00:59,429 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 6817 transitions. Word has length 329 [2020-12-01 16:00:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:00:59,430 INFO L481 AbstractCegarLoop]: Abstraction has 5781 states and 6817 transitions. [2020-12-01 16:00:59,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:00:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 6817 transitions. [2020-12-01 16:00:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-12-01 16:00:59,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:00:59,441 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 16:00:59,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 16:00:59,442 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:00:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:00:59,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1308292841, now seen corresponding path program 1 times [2020-12-01 16:00:59,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:00:59,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306171219] [2020-12-01 16:00:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:00:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:00:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-01 16:00:59,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306171219] [2020-12-01 16:00:59,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:00:59,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:00:59,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77091443] [2020-12-01 16:00:59,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:00:59,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:00:59,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:00:59,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:00:59,781 INFO L87 Difference]: Start difference. First operand 5781 states and 6817 transitions. Second operand 3 states. [2020-12-01 16:01:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:02,791 INFO L93 Difference]: Finished difference Result 13961 states and 16781 transitions. [2020-12-01 16:01:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:02,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2020-12-01 16:01:02,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:02,818 INFO L225 Difference]: With dead ends: 13961 [2020-12-01 16:01:02,819 INFO L226 Difference]: Without dead ends: 8481 [2020-12-01 16:01:02,826 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 16:01:02,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8481 states. [2020-12-01 16:01:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8481 to 7883. [2020-12-01 16:01:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7883 states. [2020-12-01 16:01:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7883 states to 7883 states and 9075 transitions. [2020-12-01 16:01:02,952 INFO L78 Accepts]: Start accepts. Automaton has 7883 states and 9075 transitions. Word has length 388 [2020-12-01 16:01:02,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:02,953 INFO L481 AbstractCegarLoop]: Abstraction has 7883 states and 9075 transitions. [2020-12-01 16:01:02,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 7883 states and 9075 transitions. [2020-12-01 16:01:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-12-01 16:01:02,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:02,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-12-01 16:01:02,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 16:01:02,963 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:02,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1825877997, now seen corresponding path program 1 times [2020-12-01 16:01:02,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:02,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119566061] [2020-12-01 16:01:02,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:03,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119566061] [2020-12-01 16:01:03,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383304688] [2020-12-01 16:01:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/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 16:01:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:03,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:01:03,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:01:04,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:01:04,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:01:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 16:01:08,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:01:08,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 16:01:08,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507028223] [2020-12-01 16:01:08,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:01:08,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:01:08,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:01:08,627 INFO L87 Difference]: Start difference. First operand 7883 states and 9075 transitions. Second operand 4 states. [2020-12-01 16:01:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:17,680 INFO L93 Difference]: Finished difference Result 25659 states and 29835 transitions. [2020-12-01 16:01:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:01:17,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 389 [2020-12-01 16:01:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:17,716 INFO L225 Difference]: With dead ends: 25659 [2020-12-01 16:01:17,717 INFO L226 Difference]: Without dead ends: 15685 [2020-12-01 16:01:17,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:01:17,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15685 states. [2020-12-01 16:01:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15685 to 15384. [2020-12-01 16:01:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15384 states. [2020-12-01 16:01:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15384 states to 15384 states and 17319 transitions. [2020-12-01 16:01:18,059 INFO L78 Accepts]: Start accepts. Automaton has 15384 states and 17319 transitions. Word has length 389 [2020-12-01 16:01:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:18,060 INFO L481 AbstractCegarLoop]: Abstraction has 15384 states and 17319 transitions. [2020-12-01 16:01:18,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:01:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 15384 states and 17319 transitions. [2020-12-01 16:01:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-12-01 16:01:18,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:18,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 16:01:18,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-01 16:01:18,301 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:18,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:18,301 INFO L82 PathProgramCache]: Analyzing trace with hash 291062904, now seen corresponding path program 1 times [2020-12-01 16:01:18,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:18,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813833228] [2020-12-01 16:01:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-01 16:01:18,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813833228] [2020-12-01 16:01:18,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:18,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:18,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540238849] [2020-12-01 16:01:18,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:18,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:18,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:18,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:18,777 INFO L87 Difference]: Start difference. First operand 15384 states and 17319 transitions. Second operand 3 states. [2020-12-01 16:01:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:22,302 INFO L93 Difference]: Finished difference Result 30767 states and 34645 transitions. [2020-12-01 16:01:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:22,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 397 [2020-12-01 16:01:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:22,337 INFO L225 Difference]: With dead ends: 30767 [2020-12-01 16:01:22,337 INFO L226 Difference]: Without dead ends: 15684 [2020-12-01 16:01:22,356 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 16:01:22,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15684 states. [2020-12-01 16:01:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15684 to 11185. [2020-12-01 16:01:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11185 states. [2020-12-01 16:01:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11185 states to 11185 states and 12633 transitions. [2020-12-01 16:01:22,574 INFO L78 Accepts]: Start accepts. Automaton has 11185 states and 12633 transitions. Word has length 397 [2020-12-01 16:01:22,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:22,575 INFO L481 AbstractCegarLoop]: Abstraction has 11185 states and 12633 transitions. [2020-12-01 16:01:22,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 11185 states and 12633 transitions. [2020-12-01 16:01:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2020-12-01 16:01:22,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:22,584 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:22,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 16:01:22,584 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash 598384900, now seen corresponding path program 1 times [2020-12-01 16:01:22,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:22,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560854400] [2020-12-01 16:01:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:01:22,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560854400] [2020-12-01 16:01:22,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:22,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:22,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412183234] [2020-12-01 16:01:22,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:22,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:22,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:22,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:22,921 INFO L87 Difference]: Start difference. First operand 11185 states and 12633 transitions. Second operand 3 states. [2020-12-01 16:01:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:26,458 INFO L93 Difference]: Finished difference Result 25369 states and 28919 transitions. [2020-12-01 16:01:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:26,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2020-12-01 16:01:26,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:26,486 INFO L225 Difference]: With dead ends: 25369 [2020-12-01 16:01:26,486 INFO L226 Difference]: Without dead ends: 14485 [2020-12-01 16:01:26,496 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 16:01:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14485 states. [2020-12-01 16:01:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14485 to 13583. [2020-12-01 16:01:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13583 states. [2020-12-01 16:01:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13583 states to 13583 states and 15079 transitions. [2020-12-01 16:01:26,715 INFO L78 Accepts]: Start accepts. Automaton has 13583 states and 15079 transitions. Word has length 405 [2020-12-01 16:01:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:26,716 INFO L481 AbstractCegarLoop]: Abstraction has 13583 states and 15079 transitions. [2020-12-01 16:01:26,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 13583 states and 15079 transitions. [2020-12-01 16:01:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-12-01 16:01:26,725 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:26,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 16:01:26,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 16:01:26,726 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:26,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2117120567, now seen corresponding path program 1 times [2020-12-01 16:01:26,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:26,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355006922] [2020-12-01 16:01:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-01 16:01:27,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355006922] [2020-12-01 16:01:27,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:27,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:27,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101741600] [2020-12-01 16:01:27,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:27,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:27,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:27,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:27,131 INFO L87 Difference]: Start difference. First operand 13583 states and 15079 transitions. Second operand 3 states. [2020-12-01 16:01:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:30,501 INFO L93 Difference]: Finished difference Result 29558 states and 33148 transitions. [2020-12-01 16:01:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:30,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 419 [2020-12-01 16:01:30,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:30,527 INFO L225 Difference]: With dead ends: 29558 [2020-12-01 16:01:30,527 INFO L226 Difference]: Without dead ends: 16276 [2020-12-01 16:01:30,537 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 16:01:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16276 states. [2020-12-01 16:01:30,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16276 to 15672. [2020-12-01 16:01:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15672 states. [2020-12-01 16:01:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15672 states to 15672 states and 17258 transitions. [2020-12-01 16:01:30,775 INFO L78 Accepts]: Start accepts. Automaton has 15672 states and 17258 transitions. Word has length 419 [2020-12-01 16:01:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:30,776 INFO L481 AbstractCegarLoop]: Abstraction has 15672 states and 17258 transitions. [2020-12-01 16:01:30,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 15672 states and 17258 transitions. [2020-12-01 16:01:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2020-12-01 16:01:30,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:30,784 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:30,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 16:01:30,785 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:30,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1713021297, now seen corresponding path program 1 times [2020-12-01 16:01:30,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:30,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821743400] [2020-12-01 16:01:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2020-12-01 16:01:31,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821743400] [2020-12-01 16:01:31,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:31,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:31,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838981896] [2020-12-01 16:01:31,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:31,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:31,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:31,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:31,247 INFO L87 Difference]: Start difference. First operand 15672 states and 17258 transitions. Second operand 3 states. [2020-12-01 16:01:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:34,650 INFO L93 Difference]: Finished difference Result 37320 states and 41122 transitions. [2020-12-01 16:01:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:34,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 519 [2020-12-01 16:01:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:34,677 INFO L225 Difference]: With dead ends: 37320 [2020-12-01 16:01:34,678 INFO L226 Difference]: Without dead ends: 19557 [2020-12-01 16:01:34,689 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 16:01:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19557 states. [2020-12-01 16:01:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19557 to 15355. [2020-12-01 16:01:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15355 states. [2020-12-01 16:01:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15355 states to 15355 states and 16674 transitions. [2020-12-01 16:01:34,960 INFO L78 Accepts]: Start accepts. Automaton has 15355 states and 16674 transitions. Word has length 519 [2020-12-01 16:01:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:34,961 INFO L481 AbstractCegarLoop]: Abstraction has 15355 states and 16674 transitions. [2020-12-01 16:01:34,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 15355 states and 16674 transitions. [2020-12-01 16:01:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-12-01 16:01:34,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:34,968 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:34,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 16:01:34,969 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1727246561, now seen corresponding path program 1 times [2020-12-01 16:01:34,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:34,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828436519] [2020-12-01 16:01:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-12-01 16:01:35,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828436519] [2020-12-01 16:01:35,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:35,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:35,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100740369] [2020-12-01 16:01:35,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:35,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:35,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:35,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:35,532 INFO L87 Difference]: Start difference. First operand 15355 states and 16674 transitions. Second operand 3 states. [2020-12-01 16:01:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:38,403 INFO L93 Difference]: Finished difference Result 30706 states and 33348 transitions. [2020-12-01 16:01:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:38,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 543 [2020-12-01 16:01:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:38,420 INFO L225 Difference]: With dead ends: 30706 [2020-12-01 16:01:38,420 INFO L226 Difference]: Without dead ends: 15652 [2020-12-01 16:01:38,429 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 16:01:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15652 states. [2020-12-01 16:01:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15652 to 15353. [2020-12-01 16:01:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15353 states. [2020-12-01 16:01:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15353 states to 15353 states and 16670 transitions. [2020-12-01 16:01:38,664 INFO L78 Accepts]: Start accepts. Automaton has 15353 states and 16670 transitions. Word has length 543 [2020-12-01 16:01:38,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:38,664 INFO L481 AbstractCegarLoop]: Abstraction has 15353 states and 16670 transitions. [2020-12-01 16:01:38,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 15353 states and 16670 transitions. [2020-12-01 16:01:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2020-12-01 16:01:38,671 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:38,672 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:38,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-01 16:01:38,673 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:38,673 INFO L82 PathProgramCache]: Analyzing trace with hash -590194327, now seen corresponding path program 1 times [2020-12-01 16:01:38,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:38,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477154217] [2020-12-01 16:01:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-12-01 16:01:39,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477154217] [2020-12-01 16:01:39,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:39,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:39,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626768601] [2020-12-01 16:01:39,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:39,212 INFO L87 Difference]: Start difference. First operand 15353 states and 16670 transitions. Second operand 3 states. [2020-12-01 16:01:41,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:41,745 INFO L93 Difference]: Finished difference Result 32199 states and 34972 transitions. [2020-12-01 16:01:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:41,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 552 [2020-12-01 16:01:41,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:41,762 INFO L225 Difference]: With dead ends: 32199 [2020-12-01 16:01:41,762 INFO L226 Difference]: Without dead ends: 16250 [2020-12-01 16:01:41,772 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 16:01:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16250 states. [2020-12-01 16:01:42,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16250 to 11759. [2020-12-01 16:01:42,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11759 states. [2020-12-01 16:01:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11759 states to 11759 states and 12685 transitions. [2020-12-01 16:01:42,054 INFO L78 Accepts]: Start accepts. Automaton has 11759 states and 12685 transitions. Word has length 552 [2020-12-01 16:01:42,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:42,055 INFO L481 AbstractCegarLoop]: Abstraction has 11759 states and 12685 transitions. [2020-12-01 16:01:42,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11759 states and 12685 transitions. [2020-12-01 16:01:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2020-12-01 16:01:42,066 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:42,067 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:42,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 16:01:42,067 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:42,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash -554610308, now seen corresponding path program 1 times [2020-12-01 16:01:42,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:42,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077360471] [2020-12-01 16:01:42,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2020-12-01 16:01:42,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077360471] [2020-12-01 16:01:42,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:42,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:42,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408312797] [2020-12-01 16:01:42,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:42,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:42,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:42,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:42,759 INFO L87 Difference]: Start difference. First operand 11759 states and 12685 transitions. Second operand 3 states. [2020-12-01 16:01:46,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:46,164 INFO L93 Difference]: Finished difference Result 28613 states and 30913 transitions. [2020-12-01 16:01:46,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:46,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 609 [2020-12-01 16:01:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:46,184 INFO L225 Difference]: With dead ends: 28613 [2020-12-01 16:01:46,184 INFO L226 Difference]: Without dead ends: 17155 [2020-12-01 16:01:46,191 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 16:01:46,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17155 states. [2020-12-01 16:01:46,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17155 to 15948. [2020-12-01 16:01:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15948 states. [2020-12-01 16:01:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15948 states to 15948 states and 17044 transitions. [2020-12-01 16:01:46,381 INFO L78 Accepts]: Start accepts. Automaton has 15948 states and 17044 transitions. Word has length 609 [2020-12-01 16:01:46,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:46,381 INFO L481 AbstractCegarLoop]: Abstraction has 15948 states and 17044 transitions. [2020-12-01 16:01:46,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15948 states and 17044 transitions. [2020-12-01 16:01:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2020-12-01 16:01:46,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:46,395 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:46,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-01 16:01:46,395 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:46,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1488086305, now seen corresponding path program 1 times [2020-12-01 16:01:46,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:46,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534364827] [2020-12-01 16:01:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-12-01 16:01:47,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534364827] [2020-12-01 16:01:47,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:47,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:47,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037763527] [2020-12-01 16:01:47,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:47,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:47,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:47,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:47,076 INFO L87 Difference]: Start difference. First operand 15948 states and 17044 transitions. Second operand 3 states. [2020-12-01 16:01:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:50,012 INFO L93 Difference]: Finished difference Result 34584 states and 37113 transitions. [2020-12-01 16:01:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:50,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 614 [2020-12-01 16:01:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:50,037 INFO L225 Difference]: With dead ends: 34584 [2020-12-01 16:01:50,038 INFO L226 Difference]: Without dead ends: 18937 [2020-12-01 16:01:50,047 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 16:01:50,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18937 states. [2020-12-01 16:01:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18937 to 17741. [2020-12-01 16:01:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17741 states. [2020-12-01 16:01:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17741 states to 17741 states and 19002 transitions. [2020-12-01 16:01:50,262 INFO L78 Accepts]: Start accepts. Automaton has 17741 states and 19002 transitions. Word has length 614 [2020-12-01 16:01:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:50,263 INFO L481 AbstractCegarLoop]: Abstraction has 17741 states and 19002 transitions. [2020-12-01 16:01:50,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 17741 states and 19002 transitions. [2020-12-01 16:01:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-12-01 16:01:50,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:50,278 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:01:50,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-01 16:01:50,279 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:50,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:50,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1313213532, now seen corresponding path program 1 times [2020-12-01 16:01:50,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:50,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278080502] [2020-12-01 16:01:50,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2020-12-01 16:01:50,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278080502] [2020-12-01 16:01:50,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:01:50,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:01:50,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234966324] [2020-12-01 16:01:50,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:50,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:50,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:50,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:01:50,955 INFO L87 Difference]: Start difference. First operand 17741 states and 19002 transitions. Second operand 3 states. [2020-12-01 16:01:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:01:53,967 INFO L93 Difference]: Finished difference Result 39663 states and 42502 transitions. [2020-12-01 16:01:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:01:53,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 639 [2020-12-01 16:01:53,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:01:53,989 INFO L225 Difference]: With dead ends: 39663 [2020-12-01 16:01:53,989 INFO L226 Difference]: Without dead ends: 22223 [2020-12-01 16:01:53,996 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 16:01:54,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22223 states. [2020-12-01 16:01:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22223 to 19232. [2020-12-01 16:01:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19232 states. [2020-12-01 16:01:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19232 states to 19232 states and 20520 transitions. [2020-12-01 16:01:54,220 INFO L78 Accepts]: Start accepts. Automaton has 19232 states and 20520 transitions. Word has length 639 [2020-12-01 16:01:54,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:01:54,221 INFO L481 AbstractCegarLoop]: Abstraction has 19232 states and 20520 transitions. [2020-12-01 16:01:54,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:01:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 19232 states and 20520 transitions. [2020-12-01 16:01:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-12-01 16:01:54,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:01:54,237 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 16:01:54,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-01 16:01:54,237 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:01:54,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:01:54,238 INFO L82 PathProgramCache]: Analyzing trace with hash -444340870, now seen corresponding path program 1 times [2020-12-01 16:01:54,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:01:54,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092867028] [2020-12-01 16:01:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:01:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 80 proven. 243 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-12-01 16:01:55,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092867028] [2020-12-01 16:01:55,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316401559] [2020-12-01 16:01:55,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/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 16:01:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:01:55,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:01:55,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:01:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2020-12-01 16:01:57,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:01:57,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 16:01:57,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614213159] [2020-12-01 16:01:57,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:01:57,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:01:57,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:01:57,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:01:57,326 INFO L87 Difference]: Start difference. First operand 19232 states and 20520 transitions. Second operand 3 states. [2020-12-01 16:02:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:02:00,496 INFO L93 Difference]: Finished difference Result 37557 states and 40105 transitions. [2020-12-01 16:02:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:02:00,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2020-12-01 16:02:00,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:02:00,516 INFO L225 Difference]: With dead ends: 37557 [2020-12-01 16:02:00,516 INFO L226 Difference]: Without dead ends: 18626 [2020-12-01 16:02:00,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:02:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18626 states. [2020-12-01 16:02:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18626 to 18027. [2020-12-01 16:02:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18027 states. [2020-12-01 16:02:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18027 states to 18027 states and 18752 transitions. [2020-12-01 16:02:00,722 INFO L78 Accepts]: Start accepts. Automaton has 18027 states and 18752 transitions. Word has length 667 [2020-12-01 16:02:00,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:02:00,723 INFO L481 AbstractCegarLoop]: Abstraction has 18027 states and 18752 transitions. [2020-12-01 16:02:00,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:02:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18027 states and 18752 transitions. [2020-12-01 16:02:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2020-12-01 16:02:00,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:02:00,743 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:02:00,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:02:00,945 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:02:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:02:00,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1211529565, now seen corresponding path program 1 times [2020-12-01 16:02:00,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:02:00,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982273464] [2020-12-01 16:02:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:02:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:02:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 691 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-12-01 16:02:01,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982273464] [2020-12-01 16:02:01,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:02:01,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:02:01,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693193251] [2020-12-01 16:02:01,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 16:02:01,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:02:01,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 16:02:01,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 16:02:01,909 INFO L87 Difference]: Start difference. First operand 18027 states and 18752 transitions. Second operand 4 states. [2020-12-01 16:02:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:02:07,128 INFO L93 Difference]: Finished difference Result 41143 states and 42740 transitions. [2020-12-01 16:02:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 16:02:07,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 809 [2020-12-01 16:02:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:02:07,132 INFO L225 Difference]: With dead ends: 41143 [2020-12-01 16:02:07,132 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 16:02:07,142 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 16:02:07,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 16:02:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 16:02:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 16:02:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 16:02:07,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 809 [2020-12-01 16:02:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:02:07,143 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:02:07,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 16:02:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:02:07,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:02:07,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-01 16:02:07,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 16:02:07,869 WARN L197 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 301 [2020-12-01 16:02:08,361 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 292 [2020-12-01 16:02:08,905 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 301 [2020-12-01 16:02:11,386 WARN L197 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 284 DAG size of output: 63 [2020-12-01 16:02:13,666 WARN L197 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 276 DAG size of output: 63 [2020-12-01 16:02:15,935 WARN L197 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 284 DAG size of output: 63 [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,941 INFO L262 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,942 INFO L262 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-12-01 16:02:15,943 INFO L262 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,944 INFO L262 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 16:02:15,945 INFO L262 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-12-01 16:02:15,946 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,947 INFO L262 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-12-01 16:02:15,948 INFO L262 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,949 INFO L262 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 16:02:15,950 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,951 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 16:02:15,952 INFO L262 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-12-01 16:02:15,953 INFO L262 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,954 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 16:02:15,954 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,954 INFO L262 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,954 INFO L262 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,955 INFO L262 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,955 INFO L262 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,955 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,955 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 16:02:15,956 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,956 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,956 INFO L262 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 16:02:15,957 INFO L262 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,958 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,959 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,960 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,961 INFO L262 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,962 INFO L262 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,963 INFO L262 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-12-01 16:02:15,964 INFO L262 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,965 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,966 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,967 INFO L262 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,968 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,969 INFO L262 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,969 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,969 INFO L262 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-12-01 16:02:15,970 INFO L262 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-12-01 16:02:15,970 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 16:02:15,971 INFO L262 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-12-01 16:02:15,972 INFO L262 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-12-01 16:02:15,973 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 16:02:15,973 INFO L262 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,973 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 16:02:15,973 INFO L262 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,973 INFO L262 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,974 INFO L262 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,974 INFO L262 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,974 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,974 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,975 INFO L262 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,976 INFO L262 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,976 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 16:02:15,976 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 16:02:15,976 INFO L262 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-12-01 16:02:15,976 INFO L262 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-12-01 16:02:15,977 INFO L262 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,977 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,978 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,978 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,981 INFO L258 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse2 (<= 5 ~a2~0)) (.cse6 (< 0 .cse11)) (.cse10 (<= (+ ~a29~0 144) 0)) (.cse3 (= 2 ~a2~0)) (.cse7 (<= 44 ~a29~0)) (.cse9 (<= (+ ~a4~0 89) 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse8 (= ~a2~0 1)) (.cse4 (<= .cse11 0))) (or (and .cse0 .cse1 .cse2) (and (<= 0 (+ ~a0~0 60)) .cse3 .cse4) (and .cse4 .cse2) (and .cse5 .cse6 .cse3) (and .cse0 (= ~a2~0 4)) (and .cse5 .cse7 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse8 .cse6) (and .cse9 .cse3) (and .cse0 .cse7 .cse2) (and .cse8 .cse10 .cse4) (and .cse0 (= 3 ~a2~0)) (and .cse0 .cse6 .cse10 .cse3) (and .cse8 .cse7 .cse4) (and .cse5 .cse9) (and .cse0 .cse8 (< 0 (+ ~a0~0 98))) (and .cse5 .cse8 .cse4)))) [2020-12-01 16:02:15,981 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 16:02:15,981 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,982 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L265 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-12-01 16:02:15,983 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,984 INFO L262 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,985 INFO L262 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 16:02:15,986 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,986 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,986 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,986 INFO L262 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L258 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse2 (<= 5 ~a2~0)) (.cse6 (< 0 .cse11)) (.cse10 (<= (+ ~a29~0 144) 0)) (.cse3 (= 2 ~a2~0)) (.cse7 (<= 44 ~a29~0)) (.cse9 (<= (+ ~a4~0 89) 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse8 (= ~a2~0 1)) (.cse4 (<= .cse11 0))) (or (and .cse0 .cse1 .cse2) (and (<= 0 (+ ~a0~0 60)) .cse3 .cse4) (and .cse4 .cse2) (and .cse5 .cse6 .cse3) (and .cse0 (= ~a2~0 4)) (and .cse5 .cse7 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse8 .cse6) (and .cse9 .cse3) (and .cse0 .cse7 .cse2) (and .cse8 .cse10 .cse4) (and .cse0 (= 3 ~a2~0)) (and .cse0 .cse6 .cse10 .cse3) (and .cse8 .cse7 .cse4) (and .cse5 .cse9) (and .cse0 .cse8 (< 0 (+ ~a0~0 98))) (and .cse5 .cse8 .cse4)))) [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,987 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,988 INFO L262 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,989 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,990 INFO L262 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,991 INFO L262 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 16:02:15,992 INFO L262 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,993 INFO L262 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,994 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 16:02:15,995 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,996 INFO L262 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,997 INFO L258 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86))) (let ((.cse1 (<= (+ ~a0~0 61) 0)) (.cse2 (<= 5 ~a2~0)) (.cse6 (< 0 .cse11)) (.cse10 (<= (+ ~a29~0 144) 0)) (.cse3 (= 2 ~a2~0)) (.cse7 (<= 44 ~a29~0)) (.cse9 (<= (+ ~a4~0 89) 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse8 (= ~a2~0 1)) (.cse4 (<= .cse11 0))) (or (and .cse0 .cse1 .cse2) (and (<= 0 (+ ~a0~0 60)) .cse3 .cse4) (and .cse4 .cse2) (and .cse5 .cse6 .cse3) (and .cse0 (= ~a2~0 4)) (and .cse5 .cse7 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse8 .cse6) (and .cse9 .cse3) (and .cse0 .cse7 .cse2) (and .cse8 .cse10 .cse4) (and .cse0 (= 3 ~a2~0)) (and .cse0 .cse6 .cse10 .cse3) (and .cse8 .cse7 .cse4) (and .cse5 .cse9) (and .cse0 .cse8 (< 0 (+ ~a0~0 98))) (and .cse5 .cse8 .cse4)))) [2020-12-01 16:02:15,997 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 16:02:15,997 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 16:02:15,997 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,997 INFO L262 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,997 INFO L262 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-01 16:02:15,998 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-12-01 16:02:15,999 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,000 INFO L262 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-12-01 16:02:16,001 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,002 INFO L262 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 16:02:16,003 INFO L262 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,004 INFO L262 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,005 INFO L262 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 16:02:16,006 INFO L262 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,007 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-12-01 16:02:16,007 INFO L262 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,007 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 16:02:16,007 INFO L262 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-12-01 16:02:16,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:02:16 BoogieIcfgContainer [2020-12-01 16:02:16,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:02:16,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:02:16,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:02:16,068 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:02:16,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:20" (3/4) ... [2020-12-01 16:02:16,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:02:16,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 16:02:16,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 16:02:16,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:02:16,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:02:16,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_056e77a8-9861-4fa9-ad80-5d3bb6f01605/bin/uautomizer/witness.graphml [2020-12-01 16:02:16,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:02:16,436 INFO L168 Benchmark]: Toolchain (without parser) took 122765.83 ms. Allocated memory was 88.1 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 51.9 MB in the beginning and 974.8 MB in the end (delta: -922.9 MB). Peak memory consumption was 816.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,436 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:02:16,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1635.05 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 47.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.00 ms. Allocated memory is still 107.0 MB. Free memory was 47.4 MB in the beginning and 44.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,438 INFO L168 Benchmark]: Boogie Preprocessor took 372.39 ms. Allocated memory was 107.0 MB in the beginning and 159.4 MB in the end (delta: 52.4 MB). Free memory was 44.5 MB in the beginning and 98.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,438 INFO L168 Benchmark]: RCFGBuilder took 4146.51 ms. Allocated memory was 159.4 MB in the beginning and 257.9 MB in the end (delta: 98.6 MB). Free memory was 98.9 MB in the beginning and 106.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,439 INFO L168 Benchmark]: TraceAbstraction took 115916.31 ms. Allocated memory was 257.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 106.8 MB in the beginning and 1.0 GB in the end (delta: -910.0 MB). Peak memory consumption was 886.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,439 INFO L168 Benchmark]: Witness Printer took 367.76 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 974.8 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:16,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1635.05 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 47.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 315.00 ms. Allocated memory is still 107.0 MB. Free memory was 47.4 MB in the beginning and 44.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 372.39 ms. Allocated memory was 107.0 MB in the beginning and 159.4 MB in the end (delta: 52.4 MB). Free memory was 44.5 MB in the beginning and 98.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4146.51 ms. Allocated memory was 159.4 MB in the beginning and 257.9 MB in the end (delta: 98.6 MB). Free memory was 98.9 MB in the beginning and 106.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 115916.31 ms. Allocated memory was 257.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 106.8 MB in the beginning and 1.0 GB in the end (delta: -910.0 MB). Peak memory consumption was 886.3 MB. Max. memory is 16.1 GB. * Witness Printer took 367.76 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 974.8 MB 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: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) || ((0 <= a0 + 60 && 2 == a2) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || ((a0 + 147 <= 0 && 0 < a4 + 86) && 2 == a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a0 + 147 <= 0 && 44 <= a29) && 2 == a2)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || (a4 + 89 <= 0 && 2 == a2)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (a4 + 42 <= 0 && 3 == a2)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a29 + 144 <= 0) && 2 == a2)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) || ((0 <= a0 + 60 && 2 == a2) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || ((a0 + 147 <= 0 && 0 < a4 + 86) && 2 == a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a0 + 147 <= 0 && 44 <= a29) && 2 == a2)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || (a4 + 89 <= 0 && 2 == a2)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (a4 + 42 <= 0 && 3 == a2)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a29 + 144 <= 0) && 2 == a2)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 + 42 <= 0 && a0 + 61 <= 0) && 5 <= a2) || ((0 <= a0 + 60 && 2 == a2) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 5 <= a2)) || ((a0 + 147 <= 0 && 0 < a4 + 86) && 2 == a2)) || (a4 + 42 <= 0 && a2 == 4)) || ((a0 + 147 <= 0 && 44 <= a29) && 2 == a2)) || (((a4 + 42 <= 0 && a0 + 61 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86)) || (a4 + 89 <= 0 && 2 == a2)) || ((a4 + 42 <= 0 && 44 <= a29) && 5 <= a2)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (a4 + 42 <= 0 && 3 == a2)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a29 + 144 <= 0) && 2 == a2)) || ((a2 == 1 && 44 <= a29) && a4 + 86 <= 0)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && 0 < a0 + 98)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0) - 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: 106.8s, OverallIterations: 22, TraceHistogramMax: 6, AutomataDifference: 84.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7918 SDtfs, 7182 SDslu, 949 SDs, 0 SdLazy, 24412 SolverSat, 4791 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1122 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19232occurred 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: 3.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 27084 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 297 NumberOfFragments, 661 HoareAnnotationTreeSize, 4 FomulaSimplifications, 77243 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 30245 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 9621 NumberOfCodeBlocks, 9621 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 9597 ConstructedInterpolants, 40 QuantifiedInterpolants, 13627153 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1301 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 24 InterpolantComputations, 22 PerfectInterpolantSequences, 7043/7350 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...