./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db3e3e94b73f9c133562ce736092764b1fa0689e .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:57,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:57,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:57,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:57,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:57,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:57,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:57,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:57,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:57,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:57,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:57,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:57,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:57,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:57,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:57,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:57,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:57,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:57,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:57,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:57,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:57,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:57,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:57,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:57,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:57,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:57,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:57,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:57,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:57,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:57,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:57,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:57,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:57,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:57,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:57,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:57,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:57,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:57,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:57,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:57,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:57,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-28 07:42:57,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:57,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:57,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:57,508 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:57,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:57,509 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:57,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:57,509 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:57,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:57,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:57,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:57,511 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:57,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:57,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:57,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:57,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:57,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:42:57,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:57,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:57,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:57,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:57,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:57,514 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:42:57,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:57,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:57,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:57,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:57,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:57,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:57,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:57,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:57,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:57,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:57,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:57,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:57,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:57,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:57,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:57,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db3e3e94b73f9c133562ce736092764b1fa0689e [2020-11-28 07:42:57,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:57,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:57,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:57,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:57,897 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:57,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-11-28 07:42:57,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/data/673d5a87e/19ca513deb4f4cf48367ea1e4450460a/FLAGff72267f1 [2020-11-28 07:42:58,683 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:58,684 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-11-28 07:42:58,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/data/673d5a87e/19ca513deb4f4cf48367ea1e4450460a/FLAGff72267f1 [2020-11-28 07:42:58,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/data/673d5a87e/19ca513deb4f4cf48367ea1e4450460a [2020-11-28 07:42:58,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:58,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:58,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:58,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:58,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:58,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:58" (1/1) ... [2020-11-28 07:42:58,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262c828c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:58, skipping insertion in model container [2020-11-28 07:42:58,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:58" (1/1) ... [2020-11-28 07:42:58,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:58,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:59,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:59,606 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:59,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:59,975 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:59,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59 WrapperNode [2020-11-28 07:42:59,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:59,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:59,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:59,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:59,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:43:00,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:43:00,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:43:00,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:43:00,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... [2020-11-28 07:43:00,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:43:00,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:43:00,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:43:00,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:43:00,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/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 [2020-11-28 07:43:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:43:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 07:43:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:43:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:43:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:43:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 07:43:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 07:43:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-11-28 07:43:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 07:43:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:43:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:43:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:43:01,463 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:43:01,463 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-11-28 07:43:01,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:43:01 BoogieIcfgContainer [2020-11-28 07:43:01,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:43:01,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:43:01,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:43:01,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:43:01,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:58" (1/3) ... [2020-11-28 07:43:01,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a27ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:43:01, skipping insertion in model container [2020-11-28 07:43:01,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:59" (2/3) ... [2020-11-28 07:43:01,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a27ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:43:01, skipping insertion in model container [2020-11-28 07:43:01,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:43:01" (3/3) ... [2020-11-28 07:43:01,474 INFO L111 eAbstractionObserver]: Analyzing ICFG dirname-1.i [2020-11-28 07:43:01,485 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:43:01,493 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-11-28 07:43:01,504 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-11-28 07:43:01,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:43:01,526 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:43:01,526 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:43:01,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:43:01,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:43:01,527 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:43:01,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:43:01,527 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:43:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-28 07:43:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:43:01,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:43:01,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:43:01,549 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:43:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:43:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash 256909, now seen corresponding path program 1 times [2020-11-28 07:43:01,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:43:01,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499897363] [2020-11-28 07:43:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:43:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:43:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:43:01,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499897363] [2020-11-28 07:43:01,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:43:01,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 07:43:01,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581080522] [2020-11-28 07:43:01,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:43:01,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:43:01,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:43:01,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:43:01,816 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-11-28 07:43:01,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:43:01,898 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2020-11-28 07:43:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:43:01,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-28 07:43:01,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:43:01,910 INFO L225 Difference]: With dead ends: 147 [2020-11-28 07:43:01,910 INFO L226 Difference]: Without dead ends: 76 [2020-11-28 07:43:01,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:43:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-11-28 07:43:01,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-11-28 07:43:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 07:43:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2020-11-28 07:43:01,961 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 3 [2020-11-28 07:43:01,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:43:01,961 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2020-11-28 07:43:01,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:43:01,962 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2020-11-28 07:43:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:43:01,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:43:01,963 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-28 07:43:01,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:43:01,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:43:01,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:43:01,966 INFO L82 PathProgramCache]: Analyzing trace with hash -936314045, now seen corresponding path program 1 times [2020-11-28 07:43:01,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:43:01,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260000279] [2020-11-28 07:43:01,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:43:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:43:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 07:43:02,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260000279] [2020-11-28 07:43:02,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:43:02,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:43:02,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066249869] [2020-11-28 07:43:02,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:43:02,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:43:02,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:43:02,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:43:02,142 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 3 states. [2020-11-28 07:43:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:43:02,170 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2020-11-28 07:43:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:43:02,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-28 07:43:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:43:02,172 INFO L225 Difference]: With dead ends: 76 [2020-11-28 07:43:02,172 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 07:43:02,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:43:02,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 07:43:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-28 07:43:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 07:43:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2020-11-28 07:43:02,181 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 6 [2020-11-28 07:43:02,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:43:02,181 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-11-28 07:43:02,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:43:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-11-28 07:43:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:43:02,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:43:02,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:43:02,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:43:02,183 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 07:43:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:43:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash -936305971, now seen corresponding path program 1 times [2020-11-28 07:43:02,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:43:02,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987612137] [2020-11-28 07:43:02,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:43:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:43:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:43:02,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987612137] [2020-11-28 07:43:02,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848023278] [2020-11-28 07:43:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9b51dcc-ca60-425d-b5c3-b3cddf8f6381/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:43:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:43:02,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:43:02,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:43:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:43:02,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:43:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:43:02,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1045218043] [2020-11-28 07:43:02,547 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-11-28 07:43:02,547 INFO L166 IcfgInterpreter]: Building call graph [2020-11-28 07:43:02,552 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-28 07:43:02,557 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-28 07:43:02,558 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-28 07:43:03,649 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2020-11-28 07:43:06,088 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 145 [2020-11-28 07:43:06,230 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-11-28 07:43:06,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-28 07:43:06,440 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:568) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:439) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:239) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:153) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 07:43:06,443 INFO L168 Benchmark]: Toolchain (without parser) took 7564.98 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 68.0 MB in the beginning and 132.3 MB in the end (delta: -64.3 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,444 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 104.9 MB. Free memory was 86.6 MB in the beginning and 86.4 MB in the end (delta: 143.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:43:06,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.46 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 44.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.22 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 44.7 MB in the beginning and 105.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,446 INFO L168 Benchmark]: Boogie Preprocessor took 58.00 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 102.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,447 INFO L168 Benchmark]: RCFGBuilder took 1311.01 ms. Allocated memory is still 132.1 MB. Free memory was 102.2 MB in the beginning and 71.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,447 INFO L168 Benchmark]: TraceAbstraction took 4975.24 ms. Allocated memory was 132.1 MB in the beginning and 167.8 MB in the end (delta: 35.7 MB). Free memory was 71.6 MB in the beginning and 132.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:06,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 104.9 MB. Free memory was 86.6 MB in the beginning and 86.4 MB in the end (delta: 143.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1094.46 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 44.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.22 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 44.7 MB in the beginning and 105.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.00 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 102.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1311.01 ms. Allocated memory is still 132.1 MB. Free memory was 102.2 MB in the beginning and 71.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4975.24 ms. Allocated memory was 132.1 MB in the beginning and 167.8 MB in the end (delta: 35.7 MB). Free memory was 71.6 MB in the beginning and 132.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...