./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label09.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_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/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 c3bec4a19ad486e7769a1ae863b766e21c94d89f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:39:10,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:39:10,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:39:10,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:39:10,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:39:10,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:39:10,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:39:10,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:39:10,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:39:10,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:39:10,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:39:10,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:39:10,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:39:10,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:39:10,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:39:10,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:39:10,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:39:10,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:39:10,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:39:10,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:39:10,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:39:10,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:39:10,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:39:10,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:39:10,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:39:10,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:39:10,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:39:10,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:39:10,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:39:10,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:39:10,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:39:10,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:39:10,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:39:10,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:39:10,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:39:10,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:39:10,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:39:10,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:39:10,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:39:10,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:39:10,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:39:10,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:39:10,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:39:10,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:39:10,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:39:10,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:39:10,964 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:39:10,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:39:10,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:39:10,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:39:10,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:39:10,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:39:10,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:39:10,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:39:10,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:39:10,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:39:10,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:39:10,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:39:10,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:39:10,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:39:10,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:39:10,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:39:10,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:39:10,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:39:10,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:39:10,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:39:10,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:39:10,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:39:10,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:39:10,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:39:10,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:39:10,970 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_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3bec4a19ad486e7769a1ae863b766e21c94d89f [2020-12-01 15:39:11,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:39:11,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:39:11,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:39:11,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:39:11,258 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:39:11,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2020-12-01 15:39:11,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/data/bcf53b433/dc93c41ec84749ddb0e1c4f747cfa1f1/FLAG8e83bd766 [2020-12-01 15:39:11,904 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:39:11,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2020-12-01 15:39:11,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/data/bcf53b433/dc93c41ec84749ddb0e1c4f747cfa1f1/FLAG8e83bd766 [2020-12-01 15:39:12,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/data/bcf53b433/dc93c41ec84749ddb0e1c4f747cfa1f1 [2020-12-01 15:39:12,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:39:12,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:39:12,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:39:12,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:39:12,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:39:12,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7a2fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12, skipping insertion in model container [2020-12-01 15:39:12,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:39:12,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:39:12,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:39:12,715 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:39:12,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:39:12,833 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:39:12,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12 WrapperNode [2020-12-01 15:39:12,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:39:12,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:39:12,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:39:12,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:39:12,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:39:12,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:39:12,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:39:12,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:39:12,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:12,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:13,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:13,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:13,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... [2020-12-01 15:39:13,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:39:13,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:39:13,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:39:13,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:39:13,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:39:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:39:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:39:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:39:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:39:14,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:39:14,408 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:39:14,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:14 BoogieIcfgContainer [2020-12-01 15:39:14,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:39:14,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:39:14,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:39:14,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:39:14,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:39:12" (1/3) ... [2020-12-01 15:39:14,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c69728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:39:14, skipping insertion in model container [2020-12-01 15:39:14,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:39:12" (2/3) ... [2020-12-01 15:39:14,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c69728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:39:14, skipping insertion in model container [2020-12-01 15:39:14,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:14" (3/3) ... [2020-12-01 15:39:14,418 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label09.c [2020-12-01 15:39:14,431 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:39:14,435 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:39:14,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:39:14,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:39:14,478 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:39:14,478 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:39:14,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:39:14,478 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:39:14,479 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:39:14,479 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:39:14,479 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:39:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-12-01 15:39:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 15:39:14,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:14,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:14,510 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:14,519 INFO L82 PathProgramCache]: Analyzing trace with hash -286092569, now seen corresponding path program 1 times [2020-12-01 15:39:14,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:14,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384644092] [2020-12-01 15:39:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:15,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384644092] [2020-12-01 15:39:15,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:15,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:15,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442482815] [2020-12-01 15:39:15,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:15,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:15,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:15,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:15,045 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-12-01 15:39:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:15,966 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-12-01 15:39:15,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:15,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-01 15:39:15,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:16,001 INFO L225 Difference]: With dead ends: 529 [2020-12-01 15:39:16,007 INFO L226 Difference]: Without dead ends: 266 [2020-12-01 15:39:16,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-01 15:39:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-01 15:39:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-01 15:39:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-01 15:39:16,067 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 118 [2020-12-01 15:39:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:16,069 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-01 15:39:16,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-01 15:39:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 15:39:16,072 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:16,072 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-01 15:39:16,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:39:16,073 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:16,074 INFO L82 PathProgramCache]: Analyzing trace with hash -2013666879, now seen corresponding path program 1 times [2020-12-01 15:39:16,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:16,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468717841] [2020-12-01 15:39:16,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:16,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468717841] [2020-12-01 15:39:16,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:16,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:16,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961681109] [2020-12-01 15:39:16,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:16,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:16,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:16,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:16,222 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-01 15:39:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:16,834 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-01 15:39:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:16,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-01 15:39:16,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:16,842 INFO L225 Difference]: With dead ends: 792 [2020-12-01 15:39:16,842 INFO L226 Difference]: Without dead ends: 528 [2020-12-01 15:39:16,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-01 15:39:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-01 15:39:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-01 15:39:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 720 transitions. [2020-12-01 15:39:16,903 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 720 transitions. Word has length 123 [2020-12-01 15:39:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:16,904 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 720 transitions. [2020-12-01 15:39:16,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 720 transitions. [2020-12-01 15:39:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 15:39:16,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:16,909 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:16,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:39:16,910 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:16,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:16,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1476559362, now seen corresponding path program 1 times [2020-12-01 15:39:16,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:16,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246534547] [2020-12-01 15:39:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 15:39:17,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246534547] [2020-12-01 15:39:17,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:17,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:17,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569441603] [2020-12-01 15:39:17,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:17,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:17,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:17,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:17,040 INFO L87 Difference]: Start difference. First operand 528 states and 720 transitions. Second operand 3 states. [2020-12-01 15:39:17,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:17,612 INFO L93 Difference]: Finished difference Result 1578 states and 2155 transitions. [2020-12-01 15:39:17,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:17,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-01 15:39:17,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:17,629 INFO L225 Difference]: With dead ends: 1578 [2020-12-01 15:39:17,629 INFO L226 Difference]: Without dead ends: 1052 [2020-12-01 15:39:17,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:17,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-01 15:39:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-12-01 15:39:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-12-01 15:39:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1364 transitions. [2020-12-01 15:39:17,697 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1364 transitions. Word has length 133 [2020-12-01 15:39:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:17,698 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1364 transitions. [2020-12-01 15:39:17,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1364 transitions. [2020-12-01 15:39:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 15:39:17,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:17,710 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:17,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:39:17,711 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:17,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:17,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1292878968, now seen corresponding path program 1 times [2020-12-01 15:39:17,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:17,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020211515] [2020-12-01 15:39:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 15:39:17,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020211515] [2020-12-01 15:39:17,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:17,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:39:17,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819560788] [2020-12-01 15:39:17,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:17,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:17,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:17,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:17,838 INFO L87 Difference]: Start difference. First operand 1052 states and 1364 transitions. Second operand 3 states. [2020-12-01 15:39:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:18,448 INFO L93 Difference]: Finished difference Result 2888 states and 3759 transitions. [2020-12-01 15:39:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:18,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-01 15:39:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:18,459 INFO L225 Difference]: With dead ends: 2888 [2020-12-01 15:39:18,460 INFO L226 Difference]: Without dead ends: 1838 [2020-12-01 15:39:18,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-12-01 15:39:18,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-12-01 15:39:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-01 15:39:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1645 transitions. [2020-12-01 15:39:18,512 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1645 transitions. Word has length 138 [2020-12-01 15:39:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:18,513 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1645 transitions. [2020-12-01 15:39:18,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1645 transitions. [2020-12-01 15:39:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 15:39:18,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:18,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:18,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:39:18,518 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:18,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:18,519 INFO L82 PathProgramCache]: Analyzing trace with hash -168867304, now seen corresponding path program 1 times [2020-12-01 15:39:18,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:18,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923764001] [2020-12-01 15:39:18,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:39:18,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923764001] [2020-12-01 15:39:18,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:18,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:39:18,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007574149] [2020-12-01 15:39:18,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:18,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:18,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:18,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:18,597 INFO L87 Difference]: Start difference. First operand 1314 states and 1645 transitions. Second operand 3 states. [2020-12-01 15:39:19,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:19,169 INFO L93 Difference]: Finished difference Result 3805 states and 4774 transitions. [2020-12-01 15:39:19,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:19,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-12-01 15:39:19,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:19,185 INFO L225 Difference]: With dead ends: 3805 [2020-12-01 15:39:19,185 INFO L226 Difference]: Without dead ends: 2493 [2020-12-01 15:39:19,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-12-01 15:39:19,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2020-12-01 15:39:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-12-01 15:39:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2568 transitions. [2020-12-01 15:39:19,252 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2568 transitions. Word has length 141 [2020-12-01 15:39:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:19,253 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2568 transitions. [2020-12-01 15:39:19,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2568 transitions. [2020-12-01 15:39:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 15:39:19,258 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:19,259 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:19,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:39:19,259 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1097106674, now seen corresponding path program 1 times [2020-12-01 15:39:19,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:19,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561521917] [2020-12-01 15:39:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 15:39:19,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561521917] [2020-12-01 15:39:19,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:19,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:19,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341609311] [2020-12-01 15:39:19,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:19,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:19,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:19,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:19,352 INFO L87 Difference]: Start difference. First operand 2100 states and 2568 transitions. Second operand 3 states. [2020-12-01 15:39:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:19,929 INFO L93 Difference]: Finished difference Result 4460 states and 5414 transitions. [2020-12-01 15:39:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:19,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-12-01 15:39:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:19,941 INFO L225 Difference]: With dead ends: 4460 [2020-12-01 15:39:19,941 INFO L226 Difference]: Without dead ends: 2231 [2020-12-01 15:39:19,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:19,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-12-01 15:39:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2020-12-01 15:39:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-12-01 15:39:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2493 transitions. [2020-12-01 15:39:20,000 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2493 transitions. Word has length 145 [2020-12-01 15:39:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:20,005 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2493 transitions. [2020-12-01 15:39:20,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2493 transitions. [2020-12-01 15:39:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 15:39:20,010 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:20,011 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:20,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:39:20,011 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1871493012, now seen corresponding path program 1 times [2020-12-01 15:39:20,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:20,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674805824] [2020-12-01 15:39:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 15:39:20,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674805824] [2020-12-01 15:39:20,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:20,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:39:20,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957891716] [2020-12-01 15:39:20,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:39:20,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:20,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:39:20,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:39:20,154 INFO L87 Difference]: Start difference. First operand 2231 states and 2493 transitions. Second operand 4 states. [2020-12-01 15:39:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:20,885 INFO L93 Difference]: Finished difference Result 4591 states and 5145 transitions. [2020-12-01 15:39:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:39:20,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-12-01 15:39:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:20,898 INFO L225 Difference]: With dead ends: 4591 [2020-12-01 15:39:20,898 INFO L226 Difference]: Without dead ends: 2493 [2020-12-01 15:39:20,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:39:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-12-01 15:39:20,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2020-12-01 15:39:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-12-01 15:39:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2313 transitions. [2020-12-01 15:39:20,960 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2313 transitions. Word has length 149 [2020-12-01 15:39:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:20,961 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2313 transitions. [2020-12-01 15:39:20,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:39:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2313 transitions. [2020-12-01 15:39:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-12-01 15:39:20,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:20,967 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:39:20,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:39:20,968 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:20,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:20,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1397886840, now seen corresponding path program 1 times [2020-12-01 15:39:20,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:20,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252868866] [2020-12-01 15:39:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 15:39:21,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252868866] [2020-12-01 15:39:21,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:21,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:39:21,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573336683] [2020-12-01 15:39:21,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:21,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:21,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:21,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:21,069 INFO L87 Difference]: Start difference. First operand 2100 states and 2313 transitions. Second operand 3 states. [2020-12-01 15:39:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:21,578 INFO L93 Difference]: Finished difference Result 4984 states and 5534 transitions. [2020-12-01 15:39:21,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:21,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-12-01 15:39:21,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:21,596 INFO L225 Difference]: With dead ends: 4984 [2020-12-01 15:39:21,596 INFO L226 Difference]: Without dead ends: 3017 [2020-12-01 15:39:21,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-12-01 15:39:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2624. [2020-12-01 15:39:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-12-01 15:39:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2927 transitions. [2020-12-01 15:39:21,690 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2927 transitions. Word has length 158 [2020-12-01 15:39:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:21,691 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2927 transitions. [2020-12-01 15:39:21,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2927 transitions. [2020-12-01 15:39:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-01 15:39:21,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:21,697 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-01 15:39:21,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:39:21,698 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:21,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:21,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1266267216, now seen corresponding path program 1 times [2020-12-01 15:39:21,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:21,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996901821] [2020-12-01 15:39:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 15:39:21,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996901821] [2020-12-01 15:39:21,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:39:21,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:39:21,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825617473] [2020-12-01 15:39:21,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:21,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:21,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:21,806 INFO L87 Difference]: Start difference. First operand 2624 states and 2927 transitions. Second operand 3 states. [2020-12-01 15:39:22,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:22,273 INFO L93 Difference]: Finished difference Result 5508 states and 6148 transitions. [2020-12-01 15:39:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:22,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-01 15:39:22,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:22,289 INFO L225 Difference]: With dead ends: 5508 [2020-12-01 15:39:22,289 INFO L226 Difference]: Without dead ends: 2886 [2020-12-01 15:39:22,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:39:22,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-12-01 15:39:22,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2020-12-01 15:39:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-12-01 15:39:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3203 transitions. [2020-12-01 15:39:22,380 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3203 transitions. Word has length 174 [2020-12-01 15:39:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:22,381 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3203 transitions. [2020-12-01 15:39:22,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3203 transitions. [2020-12-01 15:39:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 15:39:22,388 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:22,388 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-01 15:39:22,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:39:22,389 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:22,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1741710570, now seen corresponding path program 1 times [2020-12-01 15:39:22,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:22,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36583414] [2020-12-01 15:39:22,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 65 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 15:39:22,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36583414] [2020-12-01 15:39:22,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315034481] [2020-12-01 15:39:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:39:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:22,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:39:22,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:39:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 15:39:22,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:39:22,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:39:22,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079380600] [2020-12-01 15:39:22,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:22,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:22,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:22,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:22,999 INFO L87 Difference]: Start difference. First operand 2886 states and 3203 transitions. Second operand 3 states. [2020-12-01 15:39:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:23,485 INFO L93 Difference]: Finished difference Result 6425 states and 7173 transitions. [2020-12-01 15:39:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:23,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-12-01 15:39:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:23,506 INFO L225 Difference]: With dead ends: 6425 [2020-12-01 15:39:23,506 INFO L226 Difference]: Without dead ends: 3672 [2020-12-01 15:39:23,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2020-12-01 15:39:23,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3148. [2020-12-01 15:39:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-12-01 15:39:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3486 transitions. [2020-12-01 15:39:23,583 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3486 transitions. Word has length 178 [2020-12-01 15:39:23,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:23,584 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3486 transitions. [2020-12-01 15:39:23,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3486 transitions. [2020-12-01 15:39:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 15:39:23,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:39:23,593 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:39:23,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 15:39:23,807 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:39:23,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:39:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash 2044168189, now seen corresponding path program 1 times [2020-12-01 15:39:23,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:39:23,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022139180] [2020-12-01 15:39:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:39:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 15:39:23,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022139180] [2020-12-01 15:39:23,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885072782] [2020-12-01 15:39:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:39:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:39:24,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:39:24,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:39:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 15:39:24,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:39:24,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:39:24,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847090690] [2020-12-01 15:39:24,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:39:24,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:39:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:39:24,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:24,462 INFO L87 Difference]: Start difference. First operand 3148 states and 3486 transitions. Second operand 3 states. [2020-12-01 15:39:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:39:24,955 INFO L93 Difference]: Finished difference Result 6161 states and 6835 transitions. [2020-12-01 15:39:24,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:39:24,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-12-01 15:39:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:39:24,956 INFO L225 Difference]: With dead ends: 6161 [2020-12-01 15:39:24,956 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:39:24,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:39:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:39:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:39:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:39:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:39:24,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-12-01 15:39:24,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:39:24,964 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:39:24,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:39:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:39:24,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:39:25,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:39:25,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:39:25,410 INFO L262 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-01 15:39:25,411 INFO L262 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-01 15:39:25,412 INFO L262 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-01 15:39:25,413 INFO L262 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-01 15:39:25,413 INFO L262 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-01 15:39:25,414 INFO L262 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-01 15:39:25,414 INFO L262 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-01 15:39:25,415 INFO L262 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-01 15:39:25,415 INFO L262 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-01 15:39:25,415 INFO L262 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-01 15:39:25,415 INFO L262 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,416 INFO L262 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-01 15:39:25,417 INFO L262 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-01 15:39:25,418 INFO L262 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-01 15:39:25,419 INFO L262 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-01 15:39:25,420 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,421 INFO L262 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-01 15:39:25,422 INFO L262 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,423 INFO L262 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-01 15:39:25,424 INFO L262 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-01 15:39:25,425 INFO L262 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-01 15:39:25,426 INFO L262 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-01 15:39:25,427 INFO L262 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-01 15:39:25,428 INFO L258 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1))) (or (and (<= 14 ~a8~0) .cse0) (and .cse1 (= ~a17~0 1)) (<= ~a16~0 4) (and .cse0 (= ~a7~0 0)) (and .cse2 .cse1) (and (= ~a21~0 1) .cse2) (<= 15 ~a8~0))) [2020-12-01 15:39:25,428 INFO L262 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,428 INFO L262 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,428 INFO L262 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,428 INFO L262 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,428 INFO L262 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-01 15:39:25,429 INFO L262 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-01 15:39:25,430 INFO L265 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-01 15:39:25,430 INFO L262 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-01 15:39:25,431 INFO L262 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,432 INFO L262 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-01 15:39:25,433 INFO L262 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-01 15:39:25,434 INFO L262 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-01 15:39:25,435 INFO L262 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-01 15:39:25,435 INFO L262 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1))) (or (and (<= 14 ~a8~0) .cse0) (and .cse1 (= ~a17~0 1)) (<= ~a16~0 4) (and .cse0 (= ~a7~0 0)) (and .cse2 .cse1) (and (= ~a21~0 1) .cse2) (<= 15 ~a8~0))) [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-01 15:39:25,437 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-01 15:39:25,438 INFO L262 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-01 15:39:25,439 INFO L262 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-01 15:39:25,440 INFO L262 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-01 15:39:25,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:39:25 BoogieIcfgContainer [2020-12-01 15:39:25,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:39:25,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:39:25,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:39:25,466 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:39:25,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:39:14" (3/4) ... [2020-12-01 15:39:25,470 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:39:25,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:39:25,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:39:25,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:39:25,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:39:25,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a37a1f5-90e8-42e0-9ec2-ff4bf02d3665/bin/uautomizer/witness.graphml [2020-12-01 15:39:25,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:39:25,674 INFO L168 Benchmark]: Toolchain (without parser) took 13495.63 ms. Allocated memory was 104.9 MB in the beginning and 375.4 MB in the end (delta: 270.5 MB). Free memory was 73.9 MB in the beginning and 246.2 MB in the end (delta: -172.3 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,674 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:39:25,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.12 ms. Allocated memory is still 104.9 MB. Free memory was 73.7 MB in the beginning and 65.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.61 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 60.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,676 INFO L168 Benchmark]: Boogie Preprocessor took 108.66 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 55.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,676 INFO L168 Benchmark]: RCFGBuilder took 1355.20 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 55.6 MB in the beginning and 50.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,677 INFO L168 Benchmark]: TraceAbstraction took 11053.91 ms. Allocated memory was 125.8 MB in the beginning and 375.4 MB in the end (delta: 249.6 MB). Free memory was 49.9 MB in the beginning and 260.9 MB in the end (delta: -210.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,677 INFO L168 Benchmark]: Witness Printer took 205.84 ms. Allocated memory is still 375.4 MB. Free memory was 260.9 MB in the beginning and 246.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:39:25,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.12 ms. Allocated memory is still 104.9 MB. Free memory was 73.7 MB in the beginning and 65.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.61 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 60.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.66 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 55.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1355.20 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 55.6 MB in the beginning and 50.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11053.91 ms. Allocated memory was 125.8 MB in the beginning and 375.4 MB in the end (delta: 249.6 MB). Free memory was 49.9 MB in the beginning and 260.9 MB in the end (delta: -210.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 205.84 ms. Allocated memory is still 375.4 MB. Free memory was 260.9 MB in the beginning and 246.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 40]: Loop Invariant Derived loop invariant: ((((((14 <= a8 && a16 <= 5) || (a8 <= 13 && a17 == 1)) || a16 <= 4) || (a16 <= 5 && a7 == 0)) || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((14 <= a8 && a16 <= 5) || (a8 <= 13 && a17 == 1)) || a16 <= 4) || (a16 <= 5 && a7 == 0)) || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 686 SDtfs, 1431 SDslu, 61 SDs, 0 SdLazy, 3687 SolverSat, 640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3148occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2227 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2028 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2075 NumberOfCodeBlocks, 2075 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2062 ConstructedInterpolants, 0 QuantifiedInterpolants, 606128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 774 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 812/818 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...