./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/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 08176e5937aec24e9d4c4407f7c4c1e5f5b414b9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:42:10,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:42:10,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:42:10,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:42:10,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:42:10,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:42:10,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:42:10,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:42:10,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:42:10,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:42:10,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:42:10,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:42:10,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:42:10,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:42:10,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:42:10,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:42:10,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:42:10,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:42:10,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:42:10,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:42:10,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:42:10,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:42:10,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:42:10,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:42:11,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:42:11,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:42:11,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:42:11,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:42:11,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:42:11,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:42:11,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:42:11,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:42:11,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:42:11,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:42:11,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:42:11,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:42:11,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:42:11,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:42:11,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:42:11,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:42:11,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:42:11,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:42:11,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:42:11,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:42:11,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:42:11,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:42:11,073 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:42:11,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:42:11,074 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:42:11,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:42:11,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:42:11,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:42:11,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:42:11,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:42:11,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:42:11,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:42:11,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:42:11,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:42:11,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:42:11,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:42:11,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:42:11,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:42:11,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:42:11,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:42:11,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:42:11,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:42:11,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:42:11,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:42:11,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:42:11,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:42:11,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:42:11,080 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_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08176e5937aec24e9d4c4407f7c4c1e5f5b414b9 [2020-11-29 22:42:11,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:42:11,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:42:11,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:42:11,474 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:42:11,476 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:42:11,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c [2020-11-29 22:42:11,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/data/71f4efee8/ef8a5590623f48e7ab0116d48e6321fe/FLAGde936a2ad [2020-11-29 22:42:12,290 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:42:12,291 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-1.c [2020-11-29 22:42:12,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/data/71f4efee8/ef8a5590623f48e7ab0116d48e6321fe/FLAGde936a2ad [2020-11-29 22:42:12,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/data/71f4efee8/ef8a5590623f48e7ab0116d48e6321fe [2020-11-29 22:42:12,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:42:12,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:42:12,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:42:12,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:42:12,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:42:12,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:42:12" (1/1) ... [2020-11-29 22:42:12,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f111185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:12, skipping insertion in model container [2020-11-29 22:42:12,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:42:12" (1/1) ... [2020-11-29 22:42:12,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:42:12,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:42:12,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:42:12,954 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:42:13,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:42:13,029 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:42:13,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13 WrapperNode [2020-11-29 22:42:13,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:42:13,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:42:13,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:42:13,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:42:13,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:42:13,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:42:13,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:42:13,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:42:13,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... [2020-11-29 22:42:13,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:42:13,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:42:13,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:42:13,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:42:13,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:42:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:42:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:42:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:42:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:42:13,452 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 22:42:14,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 22:42:14,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 22:42:14,352 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:42:14,353 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:42:14,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:42:14 BoogieIcfgContainer [2020-11-29 22:42:14,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:42:14,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:42:14,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:42:14,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:42:14,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:42:12" (1/3) ... [2020-11-29 22:42:14,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b54c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:42:14, skipping insertion in model container [2020-11-29 22:42:14,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:42:13" (2/3) ... [2020-11-29 22:42:14,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b54c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:42:14, skipping insertion in model container [2020-11-29 22:42:14,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:42:14" (3/3) ... [2020-11-29 22:42:14,369 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-1.c [2020-11-29 22:42:14,383 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:42:14,390 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:42:14,404 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:42:14,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:42:14,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:42:14,446 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:42:14,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:42:14,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:42:14,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:42:14,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:42:14,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:42:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-11-29 22:42:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:42:14,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:14,481 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] [2020-11-29 22:42:14,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:14,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2020-11-29 22:42:14,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:14,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518573560] [2020-11-29 22:42:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:42:14,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518573560] [2020-11-29 22:42:14,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:14,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:14,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257782129] [2020-11-29 22:42:14,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:14,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:14,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:14,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:14,869 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-11-29 22:42:15,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:15,198 INFO L93 Difference]: Finished difference Result 253 states and 428 transitions. [2020-11-29 22:42:15,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:15,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 22:42:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:15,229 INFO L225 Difference]: With dead ends: 253 [2020-11-29 22:42:15,234 INFO L226 Difference]: Without dead ends: 115 [2020-11-29 22:42:15,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:15,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-29 22:42:15,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-29 22:42:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-29 22:42:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2020-11-29 22:42:15,318 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2020-11-29 22:42:15,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:15,320 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2020-11-29 22:42:15,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2020-11-29 22:42:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:42:15,324 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:15,325 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:42:15,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:42:15,325 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:15,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:15,329 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2020-11-29 22:42:15,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:15,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86666695] [2020-11-29 22:42:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:42:15,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86666695] [2020-11-29 22:42:15,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:15,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:15,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261335734] [2020-11-29 22:42:15,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:15,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:15,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:15,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:15,486 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2020-11-29 22:42:15,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:15,693 INFO L93 Difference]: Finished difference Result 239 states and 362 transitions. [2020-11-29 22:42:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:15,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-29 22:42:15,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:15,696 INFO L225 Difference]: With dead ends: 239 [2020-11-29 22:42:15,696 INFO L226 Difference]: Without dead ends: 134 [2020-11-29 22:42:15,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-11-29 22:42:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2020-11-29 22:42:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-29 22:42:15,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2020-11-29 22:42:15,714 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2020-11-29 22:42:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:15,714 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2020-11-29 22:42:15,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2020-11-29 22:42:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:42:15,716 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:15,717 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:42:15,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:42:15,717 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:15,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:15,718 INFO L82 PathProgramCache]: Analyzing trace with hash 684962052, now seen corresponding path program 1 times [2020-11-29 22:42:15,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:15,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633843812] [2020-11-29 22:42:15,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:42:15,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633843812] [2020-11-29 22:42:15,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:15,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:15,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277838213] [2020-11-29 22:42:15,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:15,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:15,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:15,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:15,853 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2020-11-29 22:42:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:16,062 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2020-11-29 22:42:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:16,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-11-29 22:42:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:16,064 INFO L225 Difference]: With dead ends: 271 [2020-11-29 22:42:16,064 INFO L226 Difference]: Without dead ends: 151 [2020-11-29 22:42:16,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-11-29 22:42:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2020-11-29 22:42:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-11-29 22:42:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2020-11-29 22:42:16,078 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2020-11-29 22:42:16,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:16,079 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2020-11-29 22:42:16,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2020-11-29 22:42:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 22:42:16,086 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:16,087 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:42:16,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:42:16,087 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:16,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:16,088 INFO L82 PathProgramCache]: Analyzing trace with hash -184561774, now seen corresponding path program 1 times [2020-11-29 22:42:16,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:16,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681450996] [2020-11-29 22:42:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 22:42:16,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681450996] [2020-11-29 22:42:16,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:16,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:16,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450111155] [2020-11-29 22:42:16,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:16,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:16,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:16,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:16,176 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2020-11-29 22:42:16,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:16,646 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2020-11-29 22:42:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:16,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-29 22:42:16,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:16,649 INFO L225 Difference]: With dead ends: 335 [2020-11-29 22:42:16,649 INFO L226 Difference]: Without dead ends: 197 [2020-11-29 22:42:16,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-29 22:42:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-11-29 22:42:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-29 22:42:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2020-11-29 22:42:16,663 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2020-11-29 22:42:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:16,664 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2020-11-29 22:42:16,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2020-11-29 22:42:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 22:42:16,666 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:16,666 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:42:16,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:42:16,667 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:16,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1990000108, now seen corresponding path program 1 times [2020-11-29 22:42:16,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:16,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443280399] [2020-11-29 22:42:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 22:42:16,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443280399] [2020-11-29 22:42:16,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:16,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:16,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871524078] [2020-11-29 22:42:16,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:16,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:16,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:16,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:16,773 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2020-11-29 22:42:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:16,988 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions. [2020-11-29 22:42:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:16,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-29 22:42:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:16,991 INFO L225 Difference]: With dead ends: 390 [2020-11-29 22:42:16,991 INFO L226 Difference]: Without dead ends: 212 [2020-11-29 22:42:16,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:16,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-11-29 22:42:17,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-11-29 22:42:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 22:42:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2020-11-29 22:42:17,005 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2020-11-29 22:42:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:17,006 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2020-11-29 22:42:17,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2020-11-29 22:42:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 22:42:17,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:17,010 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 22:42:17,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:42:17,010 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:17,011 INFO L82 PathProgramCache]: Analyzing trace with hash -843012112, now seen corresponding path program 1 times [2020-11-29 22:42:17,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:17,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274778108] [2020-11-29 22:42:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 22:42:17,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274778108] [2020-11-29 22:42:17,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:17,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:17,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608176561] [2020-11-29 22:42:17,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:17,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:17,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,117 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2020-11-29 22:42:17,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:17,349 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2020-11-29 22:42:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:17,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 22:42:17,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:17,354 INFO L225 Difference]: With dead ends: 428 [2020-11-29 22:42:17,354 INFO L226 Difference]: Without dead ends: 231 [2020-11-29 22:42:17,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-11-29 22:42:17,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2020-11-29 22:42:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-29 22:42:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2020-11-29 22:42:17,366 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2020-11-29 22:42:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:17,367 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2020-11-29 22:42:17,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2020-11-29 22:42:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 22:42:17,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:17,385 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 22:42:17,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:42:17,385 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:17,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:17,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1725839848, now seen corresponding path program 1 times [2020-11-29 22:42:17,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:17,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316696811] [2020-11-29 22:42:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:42:17,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316696811] [2020-11-29 22:42:17,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:17,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:17,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193579260] [2020-11-29 22:42:17,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:17,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:17,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,519 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2020-11-29 22:42:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:17,586 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions. [2020-11-29 22:42:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:17,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 22:42:17,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:17,591 INFO L225 Difference]: With dead ends: 661 [2020-11-29 22:42:17,591 INFO L226 Difference]: Without dead ends: 443 [2020-11-29 22:42:17,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-11-29 22:42:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2020-11-29 22:42:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-11-29 22:42:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2020-11-29 22:42:17,625 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105 [2020-11-29 22:42:17,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:17,627 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2020-11-29 22:42:17,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2020-11-29 22:42:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 22:42:17,636 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:17,636 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 22:42:17,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:42:17,637 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:17,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:17,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1889855194, now seen corresponding path program 1 times [2020-11-29 22:42:17,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:17,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276616257] [2020-11-29 22:42:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 22:42:17,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276616257] [2020-11-29 22:42:17,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:17,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:17,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329315287] [2020-11-29 22:42:17,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:17,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:17,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:17,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,751 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2020-11-29 22:42:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:17,822 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions. [2020-11-29 22:42:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:17,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 22:42:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:17,826 INFO L225 Difference]: With dead ends: 897 [2020-11-29 22:42:17,827 INFO L226 Difference]: Without dead ends: 464 [2020-11-29 22:42:17,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-29 22:42:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-11-29 22:42:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-11-29 22:42:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions. [2020-11-29 22:42:17,844 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 105 [2020-11-29 22:42:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:17,844 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions. [2020-11-29 22:42:17,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions. [2020-11-29 22:42:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-29 22:42:17,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:17,847 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 22:42:17,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:42:17,847 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash -810746188, now seen corresponding path program 1 times [2020-11-29 22:42:17,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:17,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637920057] [2020-11-29 22:42:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:42:17,909 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-29 22:42:17,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637920057] [2020-11-29 22:42:17,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:42:17,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:42:17,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706342535] [2020-11-29 22:42:17,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:42:17,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:42:17,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:42:17,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,912 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand 3 states. [2020-11-29 22:42:17,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:42:17,950 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions. [2020-11-29 22:42:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:42:17,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-29 22:42:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:42:17,954 INFO L225 Difference]: With dead ends: 945 [2020-11-29 22:42:17,955 INFO L226 Difference]: Without dead ends: 491 [2020-11-29 22:42:17,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:42:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-11-29 22:42:17,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-11-29 22:42:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-11-29 22:42:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions. [2020-11-29 22:42:17,973 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106 [2020-11-29 22:42:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:42:17,973 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions. [2020-11-29 22:42:17,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:42:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions. [2020-11-29 22:42:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-29 22:42:17,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:42:17,976 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 22:42:17,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:42:17,976 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:42:17,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:42:17,977 INFO L82 PathProgramCache]: Analyzing trace with hash 625791090, now seen corresponding path program 1 times [2020-11-29 22:42:17,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:42:17,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585105601] [2020-11-29 22:42:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:42:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:42:18,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:42:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:42:18,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:42:18,147 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:42:18,147 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:42:18,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:42:18,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:42:18 BoogieIcfgContainer [2020-11-29 22:42:18,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:42:18,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:42:18,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:42:18,270 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:42:18,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:42:14" (3/4) ... [2020-11-29 22:42:18,273 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:42:18,410 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5dc7dfb5-ed69-48a0-9d4f-a5c1ba2de4cf/bin/uautomizer/witness.graphml [2020-11-29 22:42:18,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:42:18,412 INFO L168 Benchmark]: Toolchain (without parser) took 5840.72 ms. Allocated memory was 79.7 MB in the beginning and 130.0 MB in the end (delta: 50.3 MB). Free memory was 48.4 MB in the beginning and 84.8 MB in the end (delta: -36.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,413 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:42:18,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.55 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 48.4 MB in the beginning and 76.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 74.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,414 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 71.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,415 INFO L168 Benchmark]: RCFGBuilder took 1207.98 ms. Allocated memory is still 102.8 MB. Free memory was 71.9 MB in the beginning and 74.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,415 INFO L168 Benchmark]: TraceAbstraction took 3905.56 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 73.8 MB in the beginning and 98.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 64.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,415 INFO L168 Benchmark]: Witness Printer took 144.51 ms. Allocated memory is still 130.0 MB. Free memory was 98.5 MB in the beginning and 84.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:42:18,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.55 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 48.4 MB in the beginning and 76.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 74.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 71.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1207.98 ms. Allocated memory is still 102.8 MB. Free memory was 71.9 MB in the beginning and 74.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3905.56 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 73.8 MB in the beginning and 98.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 64.1 MB. Max. memory is 16.1 GB. * Witness Printer took 144.51 ms. Allocated memory is still 130.0 MB. Free memory was 98.5 MB in the beginning and 84.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L555] int s ; [L559] s = 12292 [L13] int s__info_callback = __VERIFIER_nondet_int() ; [L14] int s__in_handshake = __VERIFIER_nondet_int() ; [L15] int s__state ; [L16] int s__new_session ; [L17] int s__server ; [L18] int s__version = __VERIFIER_nondet_int() ; [L19] int s__type ; [L20] int s__init_num ; [L21] int s__bbio = __VERIFIER_nondet_int() ; [L22] int s__wbio = __VERIFIER_nondet_int() ; [L23] int s__hit = __VERIFIER_nondet_int() ; [L24] int s__rwstate ; [L25] int s__init_buf___0 = 1; [L26] int s__debug = __VERIFIER_nondet_int() ; [L27] int s__shutdown ; [L28] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L33] int s__s3__change_cipher_spec ; [L34] int s__s3__flags ; [L35] int s__s3__delay_buf_pop_ret ; [L36] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L41] int s__s3__tmp__next_state___0 ; [L42] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L43] int s__session__cipher ; [L44] int s__session__compress_meth ; [L45] int buf ; [L46] unsigned long tmp ; [L47] unsigned long l ; [L48] int num1 ; [L49] int cb ; [L50] int ret ; [L51] int new_state ; [L52] int state ; [L53] int skip ; [L54] int tmp___0 ; [L55] int tmp___1 = __VERIFIER_nondet_int() ; [L56] int tmp___2 = __VERIFIER_nondet_int() ; [L57] int tmp___3 = __VERIFIER_nondet_int() ; [L58] int tmp___4 = __VERIFIER_nondet_int() ; [L59] int tmp___5 = __VERIFIER_nondet_int() ; [L60] int tmp___6 = __VERIFIER_nondet_int() ; [L61] int tmp___7 = __VERIFIER_nondet_int() ; [L62] int tmp___8 = __VERIFIER_nondet_int() ; [L63] int tmp___9 = __VERIFIER_nondet_int() ; [L64] int blastFlag ; [L65] int __cil_tmp55 ; [L66] unsigned long __cil_tmp56 ; [L67] long __cil_tmp57 ; [L68] long __cil_tmp58 ; [L69] long __cil_tmp59 ; [L70] long __cil_tmp60 ; [L71] long __cil_tmp61 ; [L72] long __cil_tmp62 ; [L73] long __cil_tmp63 ; [L74] long __cil_tmp64 ; [L75] long __cil_tmp65 ; [L79] s__state = initial_state [L80] blastFlag = 0 [L81] tmp = __VERIFIER_nondet_int() [L82] cb = 0 [L83] ret = -1 [L84] skip = 0 [L85] tmp___0 = 0 [L86] COND TRUE s__info_callback != 0 [L87] cb = s__info_callback [L93] s__in_handshake ++ [L94] COND FALSE !(tmp___1 - 12288) [L100] COND TRUE 1 [L102] state = s__state [L103] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate ++ [L212] s__server = 0 [L213] COND TRUE cb != 0 [L217] __cil_tmp55 = s__version - 65280 [L218] COND FALSE !(__cil_tmp55 != 768) [L223] s__type = 4096 [L224] COND FALSE !(s__init_buf___0 == 0) [L236] COND FALSE !(! tmp___4) [L240] COND FALSE !(! tmp___5) [L244] s__state = 4368 [L245] s__ctx__stats__sess_connect ++ [L246] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND TRUE s__state == 4368 [L250] s__shutdown = 0 [L251] ret = __VERIFIER_nondet_int() [L252] COND TRUE blastFlag == 0 [L253] blastFlag = 1 [L259] COND FALSE !(ret <= 0) [L262] s__state = 4384 [L263] s__init_num = 0 [L264] COND TRUE s__bbio != s__wbio [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND TRUE s__state == 4384 [L270] ret = __VERIFIER_nondet_int() [L271] COND TRUE blastFlag == 1 [L272] blastFlag = 2 [L274] COND FALSE !(ret <= 0) [L277] COND FALSE !(\read(s__hit)) [L280] s__state = 4400 [L282] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND TRUE s__state == 4400 [L287] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L288] COND FALSE !(__cil_tmp56 - 256UL) [L291] ret = __VERIFIER_nondet_int() [L292] COND TRUE blastFlag == 2 [L293] blastFlag = 3 [L295] COND FALSE !(ret <= 0) [L300] s__state = 4416 [L301] s__init_num = 0 [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND FALSE !(s__state == 4400) [L133] COND FALSE !(s__state == 4401) [L136] COND TRUE s__state == 4416 [L305] ret = __VERIFIER_nondet_int() [L306] COND TRUE blastFlag == 3 [L307] blastFlag = 4 [L309] COND FALSE !(ret <= 0) [L312] s__state = 4432 [L313] s__init_num = 0 [L314] COND FALSE !(! tmp___6) [L522] COND FALSE !(! s__s3__tmp__reuse_message) [L539] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND FALSE !(s__state == 4400) [L133] COND FALSE !(s__state == 4401) [L136] COND FALSE !(s__state == 4416) [L139] COND FALSE !(s__state == 4417) [L142] COND TRUE s__state == 4432 [L321] ret = __VERIFIER_nondet_int() [L322] COND TRUE blastFlag == 4 [L3] __assert_fail("0", "s3_clnt_2.cil-1.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 275 SDslu, 970 SDs, 0 SdLazy, 642 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 756 NumberOfCodeBlocks, 756 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 79248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 586/586 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 incorrect! Received shutdown request...