./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.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_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/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 f8927ec5890c81ea18bc2a9cefa5e837a618c47d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-28 03:17:36,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:36,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:36,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:36,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:36,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:36,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:36,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:36,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:36,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:36,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:36,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:36,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:37,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:37,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:37,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:37,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:37,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:37,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:37,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:37,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:37,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:37,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:37,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:37,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:37,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:37,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:37,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:37,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:37,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:37,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:37,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:37,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:37,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:37,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:37,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:37,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:37,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:37,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:37,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:37,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:37,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:37,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:37,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:37,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:37,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:37,103 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:37,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:37,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:37,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:37,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:37,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:37,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:37,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:37,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:37,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:37,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:37,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:37,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:37,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:37,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:37,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:37,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:37,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:37,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:37,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:37,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:37,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:37,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:37,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:37,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:37,111 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_d59d0002-1ac6-4835-a058-8f6ddf091e39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8927ec5890c81ea18bc2a9cefa5e837a618c47d [2020-11-28 03:17:37,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:37,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:37,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:37,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:37,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:37,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.c [2020-11-28 03:17:37,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/data/04308be2d/34999f9e81ff4a2d9a48e7a5cb9b6090/FLAGd5ceafdf8 [2020-11-28 03:17:38,193 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:38,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/sv-benchmarks/c/openssl-simplified/s3_clnt_4.cil-2.c [2020-11-28 03:17:38,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/data/04308be2d/34999f9e81ff4a2d9a48e7a5cb9b6090/FLAGd5ceafdf8 [2020-11-28 03:17:38,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/data/04308be2d/34999f9e81ff4a2d9a48e7a5cb9b6090 [2020-11-28 03:17:38,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:38,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:38,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:38,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:38,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:38,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3261def9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38, skipping insertion in model container [2020-11-28 03:17:38,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:38,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:38,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:38,943 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:39,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:39,039 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:39,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39 WrapperNode [2020-11-28 03:17:39,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:39,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:39,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:39,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:39,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:39,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:39,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:39,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:39,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... [2020-11-28 03:17:39,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:39,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:39,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:39,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:39,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/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 [2020-11-28 03:17:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:39,517 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:17:40,387 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 03:17:40,388 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 03:17:40,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:40,407 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:17:40,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:40 BoogieIcfgContainer [2020-11-28 03:17:40,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:40,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:40,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:40,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:40,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:38" (1/3) ... [2020-11-28 03:17:40,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654cbd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:40, skipping insertion in model container [2020-11-28 03:17:40,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:39" (2/3) ... [2020-11-28 03:17:40,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654cbd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:40, skipping insertion in model container [2020-11-28 03:17:40,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:40" (3/3) ... [2020-11-28 03:17:40,418 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-2.c [2020-11-28 03:17:40,427 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:40,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:17:40,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:17:40,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:40,473 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:40,474 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:40,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:40,474 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:40,474 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:40,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:40,474 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-11-28 03:17:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:17:40,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:40,500 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] [2020-11-28 03:17:40,500 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2020-11-28 03:17:40,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643408122] [2020-11-28 03:17:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:40,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643408122] [2020-11-28 03:17:40,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:40,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:40,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008935620] [2020-11-28 03:17:40,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:40,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:40,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:40,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:40,798 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-11-28 03:17:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:41,125 INFO L93 Difference]: Finished difference Result 253 states and 428 transitions. [2020-11-28 03:17:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:41,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:17:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:41,139 INFO L225 Difference]: With dead ends: 253 [2020-11-28 03:17:41,139 INFO L226 Difference]: Without dead ends: 115 [2020-11-28 03:17:41,143 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 [2020-11-28 03:17:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-28 03:17:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-28 03:17:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-28 03:17:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2020-11-28 03:17:41,211 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2020-11-28 03:17:41,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:41,213 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2020-11-28 03:17:41,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2020-11-28 03:17:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:17:41,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:41,219 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] [2020-11-28 03:17:41,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:41,220 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:41,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:41,222 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2020-11-28 03:17:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:41,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202434295] [2020-11-28 03:17:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:41,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202434295] [2020-11-28 03:17:41,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:41,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:41,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028296821] [2020-11-28 03:17:41,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:41,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:41,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:41,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:41,402 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2020-11-28 03:17:41,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:41,634 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions. [2020-11-28 03:17:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:41,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 03:17:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:41,637 INFO L225 Difference]: With dead ends: 238 [2020-11-28 03:17:41,637 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 03:17:41,639 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 [2020-11-28 03:17:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 03:17:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2020-11-28 03:17:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-28 03:17:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2020-11-28 03:17:41,668 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2020-11-28 03:17:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:41,668 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2020-11-28 03:17:41,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2020-11-28 03:17:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 03:17:41,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:41,671 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] [2020-11-28 03:17:41,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:41,672 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:41,673 INFO L82 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times [2020-11-28 03:17:41,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:41,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744266718] [2020-11-28 03:17:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:17:41,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744266718] [2020-11-28 03:17:41,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:41,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:41,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076522218] [2020-11-28 03:17:41,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:41,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:41,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:41,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:41,810 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2020-11-28 03:17:42,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:42,054 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2020-11-28 03:17:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:42,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-11-28 03:17:42,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:42,059 INFO L225 Difference]: With dead ends: 271 [2020-11-28 03:17:42,059 INFO L226 Difference]: Without dead ends: 151 [2020-11-28 03:17:42,060 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 [2020-11-28 03:17:42,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-11-28 03:17:42,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2020-11-28 03:17:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-11-28 03:17:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2020-11-28 03:17:42,082 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2020-11-28 03:17:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:42,082 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2020-11-28 03:17:42,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2020-11-28 03:17:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 03:17:42,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:42,096 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] [2020-11-28 03:17:42,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:42,097 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:42,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1231505257, now seen corresponding path program 1 times [2020-11-28 03:17:42,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:42,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13641589] [2020-11-28 03:17:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:17:42,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13641589] [2020-11-28 03:17:42,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:42,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:42,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990324234] [2020-11-28 03:17:42,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:42,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:42,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:42,228 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2020-11-28 03:17:42,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:42,527 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2020-11-28 03:17:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:42,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-28 03:17:42,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:42,531 INFO L225 Difference]: With dead ends: 335 [2020-11-28 03:17:42,531 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:17:42,533 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 [2020-11-28 03:17:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:17:42,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-11-28 03:17:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-28 03:17:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2020-11-28 03:17:42,549 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2020-11-28 03:17:42,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:42,550 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2020-11-28 03:17:42,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2020-11-28 03:17:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 03:17:42,553 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:42,553 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] [2020-11-28 03:17:42,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:17:42,554 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:42,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:42,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1258023705, now seen corresponding path program 1 times [2020-11-28 03:17:42,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:42,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137400702] [2020-11-28 03:17:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:17:42,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137400702] [2020-11-28 03:17:42,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:42,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:42,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489954948] [2020-11-28 03:17:42,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:42,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:42,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:42,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:42,662 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2020-11-28 03:17:42,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:42,861 INFO L93 Difference]: Finished difference Result 391 states and 557 transitions. [2020-11-28 03:17:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:42,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-28 03:17:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:42,864 INFO L225 Difference]: With dead ends: 391 [2020-11-28 03:17:42,864 INFO L226 Difference]: Without dead ends: 213 [2020-11-28 03:17:42,866 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 [2020-11-28 03:17:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-28 03:17:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 207. [2020-11-28 03:17:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-28 03:17:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2020-11-28 03:17:42,881 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2020-11-28 03:17:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:42,884 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2020-11-28 03:17:42,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2020-11-28 03:17:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 03:17:42,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:42,896 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] [2020-11-28 03:17:42,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:17:42,896 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:42,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:42,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1378844437, now seen corresponding path program 1 times [2020-11-28 03:17:42,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:42,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452289276] [2020-11-28 03:17:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 03:17:43,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452289276] [2020-11-28 03:17:43,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:43,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:43,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069241472] [2020-11-28 03:17:43,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:43,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:43,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:43,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:43,043 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2020-11-28 03:17:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:43,282 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2020-11-28 03:17:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:43,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-28 03:17:43,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:43,285 INFO L225 Difference]: With dead ends: 428 [2020-11-28 03:17:43,285 INFO L226 Difference]: Without dead ends: 231 [2020-11-28 03:17:43,286 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 [2020-11-28 03:17:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-11-28 03:17:43,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2020-11-28 03:17:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-28 03:17:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2020-11-28 03:17:43,310 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2020-11-28 03:17:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:43,311 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2020-11-28 03:17:43,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2020-11-28 03:17:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:17:43,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:43,323 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] [2020-11-28 03:17:43,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:17:43,324 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:43,325 INFO L82 PathProgramCache]: Analyzing trace with hash 311084899, now seen corresponding path program 1 times [2020-11-28 03:17:43,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:43,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882933619] [2020-11-28 03:17:43,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 03:17:43,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882933619] [2020-11-28 03:17:43,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:43,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:43,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379973950] [2020-11-28 03:17:43,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:43,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:43,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:43,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:43,443 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2020-11-28 03:17:43,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:43,500 INFO L93 Difference]: Finished difference Result 660 states and 910 transitions. [2020-11-28 03:17:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:43,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:17:43,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:43,507 INFO L225 Difference]: With dead ends: 660 [2020-11-28 03:17:43,508 INFO L226 Difference]: Without dead ends: 442 [2020-11-28 03:17:43,509 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 [2020-11-28 03:17:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-11-28 03:17:43,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-11-28 03:17:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-11-28 03:17:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 605 transitions. [2020-11-28 03:17:43,535 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 605 transitions. Word has length 105 [2020-11-28 03:17:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:43,536 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 605 transitions. [2020-11-28 03:17:43,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 605 transitions. [2020-11-28 03:17:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:17:43,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:43,541 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] [2020-11-28 03:17:43,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:17:43,541 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:43,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:43,542 INFO L82 PathProgramCache]: Analyzing trace with hash 990357153, now seen corresponding path program 1 times [2020-11-28 03:17:43,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:43,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700634739] [2020-11-28 03:17:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-28 03:17:43,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700634739] [2020-11-28 03:17:43,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:43,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:43,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757206908] [2020-11-28 03:17:43,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:43,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:43,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:43,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:43,649 INFO L87 Difference]: Start difference. First operand 442 states and 605 transitions. Second operand 3 states. [2020-11-28 03:17:43,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:43,697 INFO L93 Difference]: Finished difference Result 895 states and 1224 transitions. [2020-11-28 03:17:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:43,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:17:43,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:43,702 INFO L225 Difference]: With dead ends: 895 [2020-11-28 03:17:43,702 INFO L226 Difference]: Without dead ends: 463 [2020-11-28 03:17:43,703 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 [2020-11-28 03:17:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-11-28 03:17:43,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2020-11-28 03:17:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-11-28 03:17:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 632 transitions. [2020-11-28 03:17:43,721 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 632 transitions. Word has length 105 [2020-11-28 03:17:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:43,721 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 632 transitions. [2020-11-28 03:17:43,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 632 transitions. [2020-11-28 03:17:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:17:43,724 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:43,724 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] [2020-11-28 03:17:43,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:17:43,724 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:43,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:43,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1829390815, now seen corresponding path program 1 times [2020-11-28 03:17:43,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:43,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942863447] [2020-11-28 03:17:43,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-28 03:17:43,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942863447] [2020-11-28 03:17:43,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:43,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:43,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764152654] [2020-11-28 03:17:43,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:43,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:43,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:43,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:43,775 INFO L87 Difference]: Start difference. First operand 463 states and 632 transitions. Second operand 3 states. [2020-11-28 03:17:43,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:43,806 INFO L93 Difference]: Finished difference Result 943 states and 1285 transitions. [2020-11-28 03:17:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:43,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:17:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:43,810 INFO L225 Difference]: With dead ends: 943 [2020-11-28 03:17:43,810 INFO L226 Difference]: Without dead ends: 490 [2020-11-28 03:17:43,812 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 [2020-11-28 03:17:43,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-11-28 03:17:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2020-11-28 03:17:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-11-28 03:17:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 666 transitions. [2020-11-28 03:17:43,829 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 666 transitions. Word has length 105 [2020-11-28 03:17:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:43,829 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 666 transitions. [2020-11-28 03:17:43,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:43,830 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 666 transitions. [2020-11-28 03:17:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-28 03:17:43,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:43,832 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] [2020-11-28 03:17:43,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:17:43,833 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:43,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:43,833 INFO L82 PathProgramCache]: Analyzing trace with hash -915547054, now seen corresponding path program 1 times [2020-11-28 03:17:43,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:43,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923279330] [2020-11-28 03:17:43,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:43,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:43,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:44,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:44,012 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:17:44,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:17:44,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:44 BoogieIcfgContainer [2020-11-28 03:17:44,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:44,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:44,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:44,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:44,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:40" (3/4) ... [2020-11-28 03:17:44,166 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:17:44,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d59d0002-1ac6-4835-a058-8f6ddf091e39/bin/uautomizer/witness.graphml [2020-11-28 03:17:44,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:44,346 INFO L168 Benchmark]: Toolchain (without parser) took 5818.05 ms. Allocated memory was 83.9 MB in the beginning and 163.6 MB in the end (delta: 79.7 MB). Free memory was 51.0 MB in the beginning and 129.8 MB in the end (delta: -78.8 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,347 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:44,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.80 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 50.9 MB in the beginning and 86.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.72 ms. Allocated memory is still 113.2 MB. Free memory was 86.8 MB in the beginning and 84.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,349 INFO L168 Benchmark]: Boogie Preprocessor took 45.65 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 82.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,349 INFO L168 Benchmark]: RCFGBuilder took 1246.94 ms. Allocated memory is still 113.2 MB. Free memory was 81.9 MB in the beginning and 64.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,350 INFO L168 Benchmark]: TraceAbstraction took 3750.33 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 42.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,350 INFO L168 Benchmark]: Witness Printer took 181.43 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 42.9 MB in the beginning and 129.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:44,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.80 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 50.9 MB in the beginning and 86.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.72 ms. Allocated memory is still 113.2 MB. Free memory was 86.8 MB in the beginning and 84.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.65 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 82.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1246.94 ms. Allocated memory is still 113.2 MB. Free memory was 81.9 MB in the beginning and 64.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3750.33 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 42.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * Witness Printer took 181.43 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 42.9 MB in the beginning and 129.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 6.5 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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 [L255] COND FALSE !(ret <= 0) [L258] s__state = 4384 [L259] s__init_num = 0 [L260] 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 [L266] ret = __VERIFIER_nondet_int() [L267] COND TRUE blastFlag == 1 [L268] blastFlag = 2 [L270] COND FALSE !(ret <= 0) [L273] COND FALSE !(\read(s__hit)) [L276] s__state = 4400 [L278] 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 [L283] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L284] COND FALSE !(__cil_tmp56 + 256UL) [L287] ret = __VERIFIER_nondet_int() [L288] COND TRUE blastFlag == 2 [L289] 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_4.cil-2.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: 3.5s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 274 SDslu, 970 SDs, 0 SdLazy, 641 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 755 NumberOfCodeBlocks, 755 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 639 ConstructedInterpolants, 0 QuantifiedInterpolants, 78987 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...