./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a482892abf67e79a3ae4664db384c404b0bcc555 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a482892abf67e79a3ae4664db384c404b0bcc555 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-07 21:11:21,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:11:21,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:11:21,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:11:21,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:11:21,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:11:21,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:11:21,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:11:21,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:11:21,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:11:21,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:11:21,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:11:21,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:11:21,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:11:21,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:11:21,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:11:21,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:11:21,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:11:21,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:11:21,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:11:21,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:11:21,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:11:21,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:11:21,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:11:21,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:11:21,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:11:21,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:11:21,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:11:21,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:11:21,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:11:21,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:11:21,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:11:21,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:11:21,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:11:21,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:11:21,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:11:21,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:11:21,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:11:21,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:11:21,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:11:21,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:11:21,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:11:21,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:11:21,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:11:21,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:11:21,344 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:11:21,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:11:21,344 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:11:21,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:11:21,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:11:21,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:11:21,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:11:21,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:11:21,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:11:21,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:11:21,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:11:21,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:11:21,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:11:21,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:11:21,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:11:21,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:11:21,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:11:21,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:11:21,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:11:21,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> a482892abf67e79a3ae4664db384c404b0bcc555 [2019-12-07 21:11:21,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:11:21,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:11:21,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:11:21,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:11:21,463 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:11:21,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:21,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/069e67df2/6b8f44a0ce9142d49ebe454372488c9f/FLAG24641808b [2019-12-07 21:11:21,834 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:11:21,835 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:21,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/069e67df2/6b8f44a0ce9142d49ebe454372488c9f/FLAG24641808b [2019-12-07 21:11:21,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/069e67df2/6b8f44a0ce9142d49ebe454372488c9f [2019-12-07 21:11:21,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:11:21,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:11:21,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:21,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:11:21,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:11:21,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:21" (1/1) ... [2019-12-07 21:11:21,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c96923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:21, skipping insertion in model container [2019-12-07 21:11:21,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:21" (1/1) ... [2019-12-07 21:11:21,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:11:21,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:11:22,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:22,072 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:11:22,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:22,115 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:11:22,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22 WrapperNode [2019-12-07 21:11:22,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:22,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:22,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:11:22,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:11:22,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:22,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:11:22,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:11:22,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:11:22,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... [2019-12-07 21:11:22,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:11:22,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:11:22,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:11:22,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:11:22,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/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 [2019-12-07 21:11:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:11:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:11:22,286 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:11:22,551 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2019-12-07 21:11:22,551 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2019-12-07 21:11:23,102 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:11:23,102 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 21:11:23,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:23 BoogieIcfgContainer [2019-12-07 21:11:23,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:11:23,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:11:23,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:11:23,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:11:23,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:11:21" (1/3) ... [2019-12-07 21:11:23,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6524e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:23, skipping insertion in model container [2019-12-07 21:11:23,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:22" (2/3) ... [2019-12-07 21:11:23,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6524e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:23, skipping insertion in model container [2019-12-07 21:11:23,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:23" (3/3) ... [2019-12-07 21:11:23,109 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:23,117 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:11:23,123 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:11:23,133 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:11:23,151 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:11:23,151 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:11:23,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:11:23,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:11:23,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:11:23,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:11:23,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:11:23,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:11:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 21:11:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:11:23,166 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:23,167 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:11:23,167 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:23,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:23,171 INFO L82 PathProgramCache]: Analyzing trace with hash -783720474, now seen corresponding path program 1 times [2019-12-07 21:11:23,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:11:23,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41739250] [2019-12-07 21:11:23,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:11:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:23,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41739250] [2019-12-07 21:11:23,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:23,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 21:11:23,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647902799] [2019-12-07 21:11:23,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:23,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:11:23,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:23,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:23,295 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2019-12-07 21:11:23,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:23,394 INFO L93 Difference]: Finished difference Result 169 states and 293 transitions. [2019-12-07 21:11:23,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:23,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 21:11:23,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:23,402 INFO L225 Difference]: With dead ends: 169 [2019-12-07 21:11:23,403 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 21:11:23,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 21:11:23,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-12-07 21:11:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 21:11:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2019-12-07 21:11:23,433 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 19 [2019-12-07 21:11:23,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:23,433 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2019-12-07 21:11:23,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2019-12-07 21:11:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 21:11:23,434 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:23,434 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 21:11:23,434 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:23,434 INFO L82 PathProgramCache]: Analyzing trace with hash -476794354, now seen corresponding path program 1 times [2019-12-07 21:11:23,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:11:23,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035176978] [2019-12-07 21:11:23,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:11:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:23,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035176978] [2019-12-07 21:11:23,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:23,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 21:11:23,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630646113] [2019-12-07 21:11:23,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:23,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:11:23,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:23,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:23,479 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2019-12-07 21:11:23,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:23,558 INFO L93 Difference]: Finished difference Result 178 states and 261 transitions. [2019-12-07 21:11:23,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:23,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 21:11:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:23,560 INFO L225 Difference]: With dead ends: 178 [2019-12-07 21:11:23,560 INFO L226 Difference]: Without dead ends: 98 [2019-12-07 21:11:23,561 INFO L630 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 [2019-12-07 21:11:23,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-12-07 21:11:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-12-07 21:11:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 21:11:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2019-12-07 21:11:23,567 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 28 [2019-12-07 21:11:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:23,568 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2019-12-07 21:11:23,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2019-12-07 21:11:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 21:11:23,569 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:23,569 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 21:11:23,569 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:23,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:23,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1180380277, now seen corresponding path program 1 times [2019-12-07 21:11:23,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:11:23,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661855324] [2019-12-07 21:11:23,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:11:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 21:11:23,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661855324] [2019-12-07 21:11:23,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:23,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 21:11:23,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281714484] [2019-12-07 21:11:23,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:23,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:11:23,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:23,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:23,604 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand 3 states. [2019-12-07 21:11:23,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:23,685 INFO L93 Difference]: Finished difference Result 206 states and 297 transitions. [2019-12-07 21:11:23,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:23,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-12-07 21:11:23,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:23,687 INFO L225 Difference]: With dead ends: 206 [2019-12-07 21:11:23,687 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 21:11:23,687 INFO L630 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 [2019-12-07 21:11:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 21:11:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2019-12-07 21:11:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 21:11:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2019-12-07 21:11:23,694 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 39 [2019-12-07 21:11:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:23,694 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2019-12-07 21:11:23,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2019-12-07 21:11:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 21:11:23,696 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:23,696 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 21:11:23,696 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:23,697 INFO L82 PathProgramCache]: Analyzing trace with hash 261988719, now seen corresponding path program 1 times [2019-12-07 21:11:23,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:11:23,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215345850] [2019-12-07 21:11:23,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:11:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:11:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:11:23,769 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:11:23,769 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:11:23,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:11:23 BoogieIcfgContainer [2019-12-07 21:11:23,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:11:23,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:11:23,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:11:23,804 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:11:23,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:23" (3/4) ... [2019-12-07 21:11:23,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:11:23,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:11:23,809 INFO L168 Benchmark]: Toolchain (without parser) took 1954.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 943.7 MB in the beginning and 877.6 MB in the end (delta: 66.1 MB). Peak memory consumption was 152.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:23,809 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:23,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:23,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:23,811 INFO L168 Benchmark]: Boogie Preprocessor took 25.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:23,811 INFO L168 Benchmark]: RCFGBuilder took 924.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:23,812 INFO L168 Benchmark]: TraceAbstraction took 699.74 ms. Allocated memory is still 1.1 GB. Free memory was 980.5 MB in the beginning and 877.6 MB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:23,812 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.1 GB. Free memory is still 877.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:23,814 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 924.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 699.74 ms. Allocated memory is still 1.1 GB. Free memory was 980.5 MB in the beginning and 877.6 MB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.1 GB. Free memory is still 877.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND FALSE !(s__info_callback != 0) [L77] COND TRUE s__ctx__info_callback != 0 [L78] cb = s__ctx__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND TRUE tmp___1 + 12288 [L85] COND TRUE tmp___2 + 16384 [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 16 SDslu, 138 SDs, 0 SdLazy, 256 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:11:25,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:11:25,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:11:25,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:11:25,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:11:25,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:11:25,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:11:25,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:11:25,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:11:25,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:11:25,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:11:25,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:11:25,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:11:25,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:11:25,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:11:25,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:11:25,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:11:25,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:11:25,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:11:25,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:11:25,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:11:25,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:11:25,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:11:25,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:11:25,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:11:25,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:11:25,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:11:25,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:11:25,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:11:25,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:11:25,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:11:25,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:11:25,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:11:25,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:11:25,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:11:25,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:11:25,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:11:25,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:11:25,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:11:25,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:11:25,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:11:25,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:11:25,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:11:25,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:11:25,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:11:25,211 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:11:25,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:11:25,211 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:11:25,211 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:11:25,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:11:25,212 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:11:25,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:11:25,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:11:25,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:11:25,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:11:25,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:11:25,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:11:25,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:11:25,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:11:25,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:11:25,216 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> a482892abf67e79a3ae4664db384c404b0bcc555 [2019-12-07 21:11:25,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:11:25,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:11:25,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:11:25,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:11:25,390 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:11:25,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:25,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/f048cd90b/bca77c7dba7e4e4aafdcdf8361d37dca/FLAG1d3bc96b6 [2019-12-07 21:11:25,835 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:11:25,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:25,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/f048cd90b/bca77c7dba7e4e4aafdcdf8361d37dca/FLAG1d3bc96b6 [2019-12-07 21:11:26,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/data/f048cd90b/bca77c7dba7e4e4aafdcdf8361d37dca [2019-12-07 21:11:26,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:11:26,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:11:26,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:26,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:11:26,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:11:26,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc928b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26, skipping insertion in model container [2019-12-07 21:11:26,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:11:26,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:11:26,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:26,393 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:11:26,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:11:26,470 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:11:26,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26 WrapperNode [2019-12-07 21:11:26,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:11:26,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:26,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:11:26,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:11:26,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:11:26,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:11:26,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:11:26,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:11:26,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... [2019-12-07 21:11:26,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:11:26,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:11:26,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:11:26,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:11:26,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/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 [2019-12-07 21:11:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:11:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:11:26,658 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:11:26,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2019-12-07 21:11:26,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2019-12-07 21:11:26,964 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:11:26,965 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 21:11:26,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:26 BoogieIcfgContainer [2019-12-07 21:11:26,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:11:26,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:11:26,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:11:26,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:11:26,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:11:26" (1/3) ... [2019-12-07 21:11:26,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c83ba17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:26, skipping insertion in model container [2019-12-07 21:11:26,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:11:26" (2/3) ... [2019-12-07 21:11:26,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c83ba17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:11:26, skipping insertion in model container [2019-12-07 21:11:26,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:26" (3/3) ... [2019-12-07 21:11:26,970 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2019-12-07 21:11:26,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:11:26,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:11:26,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:11:27,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:11:27,004 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:11:27,004 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:11:27,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:11:27,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:11:27,004 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:11:27,004 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:11:27,005 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:11:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-12-07 21:11:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:11:27,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:27,022 INFO L410 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] [2019-12-07 21:11:27,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:27,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:27,026 INFO L82 PathProgramCache]: Analyzing trace with hash 511659491, now seen corresponding path program 1 times [2019-12-07 21:11:27,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:27,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799282668] [2019-12-07 21:11:27,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:27,093 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:27,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:27,123 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:27,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799282668] [2019-12-07 21:11:27,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:27,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:11:27,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642703753] [2019-12-07 21:11:27,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:27,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:27,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:27,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:27,142 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2019-12-07 21:11:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:27,263 INFO L93 Difference]: Finished difference Result 246 states and 422 transitions. [2019-12-07 21:11:27,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:27,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 21:11:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:27,272 INFO L225 Difference]: With dead ends: 246 [2019-12-07 21:11:27,272 INFO L226 Difference]: Without dead ends: 112 [2019-12-07 21:11:27,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:27,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-12-07 21:11:27,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-12-07 21:11:27,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 21:11:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 170 transitions. [2019-12-07 21:11:27,306 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 170 transitions. Word has length 24 [2019-12-07 21:11:27,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:27,306 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 170 transitions. [2019-12-07 21:11:27,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2019-12-07 21:11:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 21:11:27,308 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:27,308 INFO L410 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] [2019-12-07 21:11:27,509 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:11:27,509 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:27,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:27,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1971493731, now seen corresponding path program 1 times [2019-12-07 21:11:27,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:27,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33044064] [2019-12-07 21:11:27,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:27,558 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:27,559 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:27,567 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:11:27,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33044064] [2019-12-07 21:11:27,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:27,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:27,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635296932] [2019-12-07 21:11:27,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:27,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:27,572 INFO L87 Difference]: Start difference. First operand 112 states and 170 transitions. Second operand 3 states. [2019-12-07 21:11:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:27,676 INFO L93 Difference]: Finished difference Result 232 states and 355 transitions. [2019-12-07 21:11:27,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:27,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-12-07 21:11:27,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:27,678 INFO L225 Difference]: With dead ends: 232 [2019-12-07 21:11:27,678 INFO L226 Difference]: Without dead ends: 130 [2019-12-07 21:11:27,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:27,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-12-07 21:11:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2019-12-07 21:11:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-12-07 21:11:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 190 transitions. [2019-12-07 21:11:27,688 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 190 transitions. Word has length 36 [2019-12-07 21:11:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:27,688 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 190 transitions. [2019-12-07 21:11:27,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 190 transitions. [2019-12-07 21:11:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 21:11:27,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:27,690 INFO L410 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] [2019-12-07 21:11:27,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:11:27,891 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:27,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:27,891 INFO L82 PathProgramCache]: Analyzing trace with hash 441356492, now seen corresponding path program 1 times [2019-12-07 21:11:27,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:27,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053902706] [2019-12-07 21:11:27,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:27,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:27,980 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:27,990 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:27,996 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053902706] [2019-12-07 21:11:27,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:27,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:27,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579118515] [2019-12-07 21:11:27,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:27,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:27,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:27,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:27,997 INFO L87 Difference]: Start difference. First operand 127 states and 190 transitions. Second operand 3 states. [2019-12-07 21:11:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:28,099 INFO L93 Difference]: Finished difference Result 265 states and 401 transitions. [2019-12-07 21:11:28,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:28,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-12-07 21:11:28,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:28,101 INFO L225 Difference]: With dead ends: 265 [2019-12-07 21:11:28,101 INFO L226 Difference]: Without dead ends: 148 [2019-12-07 21:11:28,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:28,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-12-07 21:11:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2019-12-07 21:11:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 21:11:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 212 transitions. [2019-12-07 21:11:28,112 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 212 transitions. Word has length 50 [2019-12-07 21:11:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:28,113 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 212 transitions. [2019-12-07 21:11:28,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 212 transitions. [2019-12-07 21:11:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 21:11:28,115 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:28,115 INFO L410 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] [2019-12-07 21:11:28,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:11:28,316 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:28,317 INFO L82 PathProgramCache]: Analyzing trace with hash -394489400, now seen corresponding path program 1 times [2019-12-07 21:11:28,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:28,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026805956] [2019-12-07 21:11:28,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:28,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:11:28,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,463 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026805956] [2019-12-07 21:11:28,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1644032417] [2019-12-07 21:11:28,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:11:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:28,621 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:11:28,624 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,658 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404823109] [2019-12-07 21:11:28,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:11:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:28,769 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:11:28,772 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,803 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:28,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 21:11:28,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2019-12-07 21:11:28,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889144101] [2019-12-07 21:11:28,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:11:28,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:28,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:11:28,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:11:28,834 INFO L87 Difference]: Start difference. First operand 144 states and 212 transitions. Second operand 6 states. [2019-12-07 21:11:29,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:29,212 INFO L93 Difference]: Finished difference Result 513 states and 781 transitions. [2019-12-07 21:11:29,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 21:11:29,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-12-07 21:11:29,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:29,215 INFO L225 Difference]: With dead ends: 513 [2019-12-07 21:11:29,215 INFO L226 Difference]: Without dead ends: 378 [2019-12-07 21:11:29,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 390 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:11:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-12-07 21:11:29,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 366. [2019-12-07 21:11:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-12-07 21:11:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 540 transitions. [2019-12-07 21:11:29,232 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 540 transitions. Word has length 67 [2019-12-07 21:11:29,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:29,232 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 540 transitions. [2019-12-07 21:11:29,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:11:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 540 transitions. [2019-12-07 21:11:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 21:11:29,234 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:29,234 INFO L410 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] [2019-12-07 21:11:29,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:11:29,837 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:29,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:29,838 INFO L82 PathProgramCache]: Analyzing trace with hash 2095039562, now seen corresponding path program 1 times [2019-12-07 21:11:29,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:29,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364119745] [2019-12-07 21:11:29,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:29,902 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:29,903 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:29,913 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:29,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364119745] [2019-12-07 21:11:29,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:29,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:29,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256743714] [2019-12-07 21:11:29,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:29,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:29,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:29,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:29,920 INFO L87 Difference]: Start difference. First operand 366 states and 540 transitions. Second operand 3 states. [2019-12-07 21:11:29,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:29,952 INFO L93 Difference]: Finished difference Result 874 states and 1297 transitions. [2019-12-07 21:11:29,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:29,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-12-07 21:11:29,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:29,955 INFO L225 Difference]: With dead ends: 874 [2019-12-07 21:11:29,955 INFO L226 Difference]: Without dead ends: 521 [2019-12-07 21:11:29,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-12-07 21:11:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 519. [2019-12-07 21:11:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2019-12-07 21:11:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 768 transitions. [2019-12-07 21:11:29,968 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 768 transitions. Word has length 67 [2019-12-07 21:11:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:29,969 INFO L462 AbstractCegarLoop]: Abstraction has 519 states and 768 transitions. [2019-12-07 21:11:29,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 768 transitions. [2019-12-07 21:11:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 21:11:29,970 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:29,970 INFO L410 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] [2019-12-07 21:11:30,171 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:11:30,172 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:30,172 INFO L82 PathProgramCache]: Analyzing trace with hash -811886006, now seen corresponding path program 1 times [2019-12-07 21:11:30,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:30,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245383599] [2019-12-07 21:11:30,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:30,246 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:30,247 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:30,257 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:30,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245383599] [2019-12-07 21:11:30,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:30,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:30,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552097603] [2019-12-07 21:11:30,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:30,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:30,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:30,264 INFO L87 Difference]: Start difference. First operand 519 states and 768 transitions. Second operand 3 states. [2019-12-07 21:11:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:30,282 INFO L93 Difference]: Finished difference Result 523 states and 770 transitions. [2019-12-07 21:11:30,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:30,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-12-07 21:11:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:30,284 INFO L225 Difference]: With dead ends: 523 [2019-12-07 21:11:30,284 INFO L226 Difference]: Without dead ends: 366 [2019-12-07 21:11:30,285 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-12-07 21:11:30,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2019-12-07 21:11:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-12-07 21:11:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 531 transitions. [2019-12-07 21:11:30,293 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 531 transitions. Word has length 67 [2019-12-07 21:11:30,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:30,293 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 531 transitions. [2019-12-07 21:11:30,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 531 transitions. [2019-12-07 21:11:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 21:11:30,294 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:30,294 INFO L410 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] [2019-12-07 21:11:30,494 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:11:30,495 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:30,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1677642956, now seen corresponding path program 1 times [2019-12-07 21:11:30,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:30,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144107302] [2019-12-07 21:11:30,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:30,535 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 21:11:30,536 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:30,574 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:30,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144107302] [2019-12-07 21:11:30,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2073849642] [2019-12-07 21:11:30,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:11:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:30,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 21:11:30,697 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:30,704 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:11:30,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803775833] [2019-12-07 21:11:30,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:11:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:30,752 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:11:30,753 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:30,777 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 21:11:30,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 21:11:30,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 4, 4] total 14 [2019-12-07 21:11:30,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855985905] [2019-12-07 21:11:30,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 21:11:30,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:30,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 21:11:30,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-12-07 21:11:30,819 INFO L87 Difference]: Start difference. First operand 364 states and 531 transitions. Second operand 14 states. [2019-12-07 21:11:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:32,524 INFO L93 Difference]: Finished difference Result 1164 states and 1757 transitions. [2019-12-07 21:11:32,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-12-07 21:11:32,525 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 67 [2019-12-07 21:11:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:32,528 INFO L225 Difference]: With dead ends: 1164 [2019-12-07 21:11:32,528 INFO L226 Difference]: Without dead ends: 804 [2019-12-07 21:11:32,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2019-12-07 21:11:32,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-12-07 21:11:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 501. [2019-12-07 21:11:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-12-07 21:11:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 702 transitions. [2019-12-07 21:11:32,542 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 702 transitions. Word has length 67 [2019-12-07 21:11:32,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:32,543 INFO L462 AbstractCegarLoop]: Abstraction has 501 states and 702 transitions. [2019-12-07 21:11:32,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 21:11:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 702 transitions. [2019-12-07 21:11:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-07 21:11:32,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:32,544 INFO L410 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] [2019-12-07 21:11:33,144 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:11:33,145 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:33,145 INFO L82 PathProgramCache]: Analyzing trace with hash -602651212, now seen corresponding path program 1 times [2019-12-07 21:11:33,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:33,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797653488] [2019-12-07 21:11:33,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:33,185 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:33,187 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-07 21:11:33,196 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-07 21:11:33,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797653488] [2019-12-07 21:11:33,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:33,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:11:33,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286380006] [2019-12-07 21:11:33,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:11:33,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:33,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:11:33,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:33,204 INFO L87 Difference]: Start difference. First operand 501 states and 702 transitions. Second operand 3 states. [2019-12-07 21:11:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:33,295 INFO L93 Difference]: Finished difference Result 1037 states and 1470 transitions. [2019-12-07 21:11:33,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:11:33,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-12-07 21:11:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:33,298 INFO L225 Difference]: With dead ends: 1037 [2019-12-07 21:11:33,298 INFO L226 Difference]: Without dead ends: 549 [2019-12-07 21:11:33,299 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:11:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-12-07 21:11:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 543. [2019-12-07 21:11:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2019-12-07 21:11:33,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 754 transitions. [2019-12-07 21:11:33,310 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 754 transitions. Word has length 84 [2019-12-07 21:11:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:33,310 INFO L462 AbstractCegarLoop]: Abstraction has 543 states and 754 transitions. [2019-12-07 21:11:33,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:11:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 754 transitions. [2019-12-07 21:11:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-07 21:11:33,311 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:33,311 INFO L410 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] [2019-12-07 21:11:33,511 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 21:11:33,512 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:33,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:33,513 INFO L82 PathProgramCache]: Analyzing trace with hash -801029670, now seen corresponding path program 1 times [2019-12-07 21:11:33,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:33,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536855796] [2019-12-07 21:11:33,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:11:33,584 INFO L264 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:11:33,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:11:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-07 21:11:33,596 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:11:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-07 21:11:33,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536855796] [2019-12-07 21:11:33,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:11:33,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:11:33,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096816234] [2019-12-07 21:11:33,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:11:33,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:11:33,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:11:33,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:33,609 INFO L87 Difference]: Start difference. First operand 543 states and 754 transitions. Second operand 4 states. [2019-12-07 21:11:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:11:33,653 INFO L93 Difference]: Finished difference Result 1649 states and 2284 transitions. [2019-12-07 21:11:33,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:11:33,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-12-07 21:11:33,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:11:33,658 INFO L225 Difference]: With dead ends: 1649 [2019-12-07 21:11:33,658 INFO L226 Difference]: Without dead ends: 1119 [2019-12-07 21:11:33,659 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:11:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2019-12-07 21:11:33,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1115. [2019-12-07 21:11:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2019-12-07 21:11:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1531 transitions. [2019-12-07 21:11:33,680 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1531 transitions. Word has length 103 [2019-12-07 21:11:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:11:33,680 INFO L462 AbstractCegarLoop]: Abstraction has 1115 states and 1531 transitions. [2019-12-07 21:11:33,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:11:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1531 transitions. [2019-12-07 21:11:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-07 21:11:33,681 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:11:33,681 INFO L410 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] [2019-12-07 21:11:33,882 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 21:11:33,882 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:11:33,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:11:33,882 INFO L82 PathProgramCache]: Analyzing trace with hash -935043176, now seen corresponding path program 1 times [2019-12-07 21:11:33,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:11:33,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297282973] [2019-12-07 21:11:33,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 21:11:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:11:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:11:34,081 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:11:34,081 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:11:34,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 21:11:34,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:11:34 BoogieIcfgContainer [2019-12-07 21:11:34,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:11:34,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:11:34,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:11:34,338 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:11:34,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:11:26" (3/4) ... [2019-12-07 21:11:34,341 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 21:11:34,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_40f7d87c-4400-4f82-b091-73fcec5b4524/bin/utaipan/witness.graphml [2019-12-07 21:11:34,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:11:34,424 INFO L168 Benchmark]: Toolchain (without parser) took 8215.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 952.4 MB in the beginning and 923.9 MB in the end (delta: 28.5 MB). Peak memory consumption was 331.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:34,424 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:34,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:34,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:34,425 INFO L168 Benchmark]: Boogie Preprocessor took 26.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:11:34,425 INFO L168 Benchmark]: RCFGBuilder took 431.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:34,426 INFO L168 Benchmark]: TraceAbstraction took 7371.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 122.9 MB). Peak memory consumption was 299.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:34,426 INFO L168 Benchmark]: Witness Printer took 84.33 ms. Allocated memory is still 1.3 GB. Free memory was 932.8 MB in the beginning and 923.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:11:34,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 431.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7371.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 122.9 MB). Peak memory consumption was 299.6 MB. Max. memory is 11.5 GB. * Witness Printer took 84.33 ms. Allocated memory is still 1.3 GB. Free memory was 932.8 MB in the beginning and 923.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 614]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L623] int __retres1 ; [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND FALSE !(\read(s__hit)) [L96] ag_Z = 48 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND FALSE !(\read(s__hit)) [L303] s__state = s__state | ag_Z [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND TRUE s__state == 4400 [L309] COND TRUE (unsigned long )s__s3__tmp__new_cipher__algorithms + 256UL [L310] skip = 1 [L324] s__state = 4416 [L325] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND TRUE s__state == 4416 [L329] ret = __VERIFIER_nondet_int() [L330] COND FALSE !(blastFlag == 3) [L335] COND FALSE !(ret <= 0) [L340] s__state = 4432 [L341] s__init_num = 0 [L342] COND FALSE !(! tmp___6) [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Result: UNSAFE, OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1643 SDtfs, 2426 SDslu, 2327 SDs, 0 SdLazy, 2230 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1657 GetRequests, 1615 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1115occurred 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, 336 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1640 ConstructedInterpolants, 236 QuantifiedInterpolants, 353606 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1452 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 26 InterpolantComputations, 14 PerfectInterpolantSequences, 822/1124 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...