./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur --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 32bit --witnessprinter.graph.data.programhash f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:14:54,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:14:54,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:14:54,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:14:54,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:14:54,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:14:54,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:14:54,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:14:54,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:14:54,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:14:54,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:14:54,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:14:54,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:14:54,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:14:54,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:14:54,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:14:54,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:14:54,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:14:54,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:14:54,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:14:54,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:14:54,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:14:54,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:14:54,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:14:54,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:14:54,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:14:54,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:14:54,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:14:54,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:14:54,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:14:54,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:14:54,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:14:54,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:14:54,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:14:54,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:14:54,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:14:54,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:14:54,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:14:54,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:14:54,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:14:54,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:14:54,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:14:54,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:14:54,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:14:54,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:14:54,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:14:54,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:14:54,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:14:54,440 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:14:54,440 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:14:54,440 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:14:54,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:14:54,442 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:14:54,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:14:54,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:14:54,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:14:54,443 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:14:54,444 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:14:54,444 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:14:54,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:14:54,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:14:54,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:14:54,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:14:54,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:14:54,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:14:54,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:14:54,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:14:54,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:14:54,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:14:54,448 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:14:54,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:14:54,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:14:54,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:14:54,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:14:54,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:14:54,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:14:54,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:54,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:14:54,451 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:14:54,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:14:54,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:14:54,451 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:14:54,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:14:54,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:14:54,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:14:54,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2022-11-25 23:14:54,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:14:54,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:14:54,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:14:54,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:14:54,772 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:14:54,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2022-11-25 23:14:58,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:14:58,576 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:14:58,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2022-11-25 23:14:58,592 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/data/e10217e45/b07110e664254f719fb28451e297f742/FLAG87eb4dfc0 [2022-11-25 23:14:58,610 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/data/e10217e45/b07110e664254f719fb28451e297f742 [2022-11-25 23:14:58,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:14:58,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:14:58,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:58,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:14:58,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:14:58,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:58" (1/1) ... [2022-11-25 23:14:58,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398ce62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:58, skipping insertion in model container [2022-11-25 23:14:58,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:58" (1/1) ... [2022-11-25 23:14:58,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:14:58,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:14:59,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:59,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:14:59,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:59,191 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:14:59,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59 WrapperNode [2022-11-25 23:14:59,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:59,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:59,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:14:59,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:14:59,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,259 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-25 23:14:59,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:59,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:14:59,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:14:59,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:14:59,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:14:59,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:14:59,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:14:59,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:14:59,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (1/1) ... [2022-11-25 23:14:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:14:59,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:14:59,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 23:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 23:14:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 23:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:14:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:14:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:14:59,407 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 23:14:59,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:14:59,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:14:59,839 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:14:59,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:14:59,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:14:59,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:59 BoogieIcfgContainer [2022-11-25 23:14:59,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:14:59,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:14:59,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:14:59,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:14:59,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:14:58" (1/3) ... [2022-11-25 23:14:59,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0549a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:59, skipping insertion in model container [2022-11-25 23:14:59,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:59" (2/3) ... [2022-11-25 23:14:59,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0549a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:59, skipping insertion in model container [2022-11-25 23:14:59,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:59" (3/3) ... [2022-11-25 23:14:59,888 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2022-11-25 23:14:59,900 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:14:59,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:14:59,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:14:59,915 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:15:00,016 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:15:00,069 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:15:00,087 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 79 transitions, 163 flow [2022-11-25 23:15:00,090 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 79 transitions, 163 flow [2022-11-25 23:15:00,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 163 flow [2022-11-25 23:15:00,149 INFO L130 PetriNetUnfolder]: 0/78 cut-off events. [2022-11-25 23:15:00,149 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 23:15:00,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 23:15:00,156 INFO L119 LiptonReduction]: Number of co-enabled transitions 960 [2022-11-25 23:15:04,156 INFO L134 LiptonReduction]: Checked pairs total: 1694 [2022-11-25 23:15:04,157 INFO L136 LiptonReduction]: Total number of compositions: 73 [2022-11-25 23:15:04,166 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 17 transitions, 39 flow [2022-11-25 23:15:04,183 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 63 states, 48 states have (on average 2.25) internal successors, (108), 62 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:04,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:04,211 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a707fef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:04,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-25 23:15:04,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 48 states have (on average 2.25) internal successors, (108), 62 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:04,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:04,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:04,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:04,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash 8425808, now seen corresponding path program 1 times [2022-11-25 23:15:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:04,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812049515] [2022-11-25 23:15:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:04,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:04,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:04,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812049515] [2022-11-25 23:15:04,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812049515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:04,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:04,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:15:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879036] [2022-11-25 23:15:04,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:04,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:04,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:04,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:04,755 INFO L87 Difference]: Start difference. First operand has 63 states, 48 states have (on average 2.25) internal successors, (108), 62 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:04,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:04,818 INFO L93 Difference]: Finished difference Result 47 states and 76 transitions. [2022-11-25 23:15:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:04,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:15:04,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:04,832 INFO L225 Difference]: With dead ends: 47 [2022-11-25 23:15:04,832 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 23:15:04,833 INFO L412 NwaCegarLoop]: 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 [2022-11-25 23:15:04,838 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:04,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:04,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 23:15:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-25 23:15:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 45 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 74 transitions. [2022-11-25 23:15:04,880 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 74 transitions. Word has length 4 [2022-11-25 23:15:04,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:04,882 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 74 transitions. [2022-11-25 23:15:04,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2022-11-25 23:15:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:15:04,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:04,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:15:04,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:15:04,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:04,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash -492140111, now seen corresponding path program 1 times [2022-11-25 23:15:04,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:04,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010146286] [2022-11-25 23:15:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:05,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010146286] [2022-11-25 23:15:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010146286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:05,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:05,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:15:05,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456885700] [2022-11-25 23:15:05,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:05,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:05,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:05,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:05,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:05,197 INFO L87 Difference]: Start difference. First operand 46 states and 74 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:05,231 INFO L93 Difference]: Finished difference Result 32 states and 48 transitions. [2022-11-25 23:15:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:05,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-25 23:15:05,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:05,233 INFO L225 Difference]: With dead ends: 32 [2022-11-25 23:15:05,233 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:15:05,233 INFO L412 NwaCegarLoop]: 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 [2022-11-25 23:15:05,235 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:05,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:15:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:15:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-25 23:15:05,245 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 6 [2022-11-25 23:15:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:05,246 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-25 23:15:05,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-25 23:15:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:15:05,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:05,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:05,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:15:05,252 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1905372047, now seen corresponding path program 1 times [2022-11-25 23:15:05,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297997349] [2022-11-25 23:15:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:05,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:05,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297997349] [2022-11-25 23:15:05,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297997349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:05,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:05,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:05,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847071433] [2022-11-25 23:15:05,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:05,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:05,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:05,380 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:05,417 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-11-25 23:15:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:05,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 23:15:05,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:05,419 INFO L225 Difference]: With dead ends: 17 [2022-11-25 23:15:05,419 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 23:15:05,419 INFO L412 NwaCegarLoop]: 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 [2022-11-25 23:15:05,421 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:05,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 23:15:05,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 23:15:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2022-11-25 23:15:05,425 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 7 [2022-11-25 23:15:05,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:05,426 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2022-11-25 23:15:05,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2022-11-25 23:15:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:15:05,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:05,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:05,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:15:05,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:05,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:05,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1062994771, now seen corresponding path program 1 times [2022-11-25 23:15:05,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:05,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042602308] [2022-11-25 23:15:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:05,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:05,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:05,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042602308] [2022-11-25 23:15:05,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042602308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:05,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:05,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:05,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745446338] [2022-11-25 23:15:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:05,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:05,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:05,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:05,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:05,608 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:05,663 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-25 23:15:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:05,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:15:05,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:05,665 INFO L225 Difference]: With dead ends: 16 [2022-11-25 23:15:05,665 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 23:15:05,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:05,670 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:05,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 23:15:05,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 23:15:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-25 23:15:05,680 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 8 [2022-11-25 23:15:05,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:05,681 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-25 23:15:05,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-25 23:15:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:15:05,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:05,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:05,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:15:05,685 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:05,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1062994751, now seen corresponding path program 1 times [2022-11-25 23:15:05,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:05,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053256288] [2022-11-25 23:15:05,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:05,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:05,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053256288] [2022-11-25 23:15:05,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053256288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:05,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:05,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:05,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946422901] [2022-11-25 23:15:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:05,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:05,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:05,920 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:05,985 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-11-25 23:15:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:15:05,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:15:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:05,987 INFO L225 Difference]: With dead ends: 15 [2022-11-25 23:15:05,987 INFO L226 Difference]: Without dead ends: 10 [2022-11-25 23:15:05,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:15:05,989 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:05,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-25 23:15:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-25 23:15:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-11-25 23:15:05,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2022-11-25 23:15:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:05,995 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-11-25 23:15:05,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-11-25 23:15:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:15:05,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:05,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:05,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:15:05,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:06,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:06,001 INFO L85 PathProgramCache]: Analyzing trace with hash -500232819, now seen corresponding path program 1 times [2022-11-25 23:15:06,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:06,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726659870] [2022-11-25 23:15:06,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:06,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:06,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726659870] [2022-11-25 23:15:06,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726659870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:06,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:06,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:06,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551781342] [2022-11-25 23:15:06,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:06,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:15:06,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:06,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:15:06,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:15:06,213 INFO L87 Difference]: Start difference. First operand 10 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:06,248 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2022-11-25 23:15:06,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:15:06,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:15:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:06,251 INFO L225 Difference]: With dead ends: 9 [2022-11-25 23:15:06,251 INFO L226 Difference]: Without dead ends: 9 [2022-11-25 23:15:06,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:06,254 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:06,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:06,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-25 23:15:06,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-25 23:15:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-25 23:15:06,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2022-11-25 23:15:06,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:06,263 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-25 23:15:06,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-25 23:15:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:15:06,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:06,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:06,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:15:06,264 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-25 23:15:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash -500232806, now seen corresponding path program 1 times [2022-11-25 23:15:06,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:06,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886385853] [2022-11-25 23:15:06,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:06,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:06,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:06,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886385853] [2022-11-25 23:15:06,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886385853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:06,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:06,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:15:06,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003449661] [2022-11-25 23:15:06,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:06,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:06,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:06,508 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:06,547 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-11-25 23:15:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:15:06,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:15:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:06,548 INFO L225 Difference]: With dead ends: 8 [2022-11-25 23:15:06,548 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:15:06,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:15:06,550 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:06,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:15:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:15:06,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:15:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:15:06,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-11-25 23:15:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:06,552 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:15:06,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:15:06,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:15:06,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 9 remaining) [2022-11-25 23:15:06,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-11-25 23:15:06,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-11-25 23:15:06,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-11-25 23:15:06,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-25 23:15:06,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-11-25 23:15:06,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-11-25 23:15:06,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-11-25 23:15:06,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-11-25 23:15:06,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:15:06,566 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:06,572 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 23:15:06,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:15:06,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:15:06 BasicIcfg [2022-11-25 23:15:06,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:15:06,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:15:06,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:15:06,580 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:15:06,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:59" (3/4) ... [2022-11-25 23:15:06,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:15:06,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 23:15:06,598 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-25 23:15:06,599 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:15:06,599 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:15:06,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:15:06,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:15:06,645 INFO L158 Benchmark]: Toolchain (without parser) took 8030.28ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 136.7MB in the beginning and 114.7MB in the end (delta: 22.0MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,646 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:15:06,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.92ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 117.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.86ms. Allocated memory is still 182.5MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,647 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,647 INFO L158 Benchmark]: RCFGBuilder took 566.06ms. Allocated memory is still 182.5MB. Free memory was 114.3MB in the beginning and 101.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,648 INFO L158 Benchmark]: TraceAbstraction took 6703.10ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 100.5MB in the beginning and 117.9MB in the end (delta: -17.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,648 INFO L158 Benchmark]: Witness Printer took 67.12ms. Allocated memory is still 222.3MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:15:06,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.92ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 117.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.86ms. Allocated memory is still 182.5MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.06ms. Allocated memory is still 182.5MB. Free memory was 114.3MB in the beginning and 101.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6703.10ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 100.5MB in the beginning and 117.9MB in the end (delta: -17.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 67.12ms. Allocated memory is still 222.3MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 83 PlacesBefore, 21 PlacesAfterwards, 79 TransitionsBefore, 17 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 73 TotalNumberOfCompositions, 1694 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1223, independent: 1103, independent conditional: 0, independent unconditional: 1103, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 670, independent: 642, independent conditional: 0, independent unconditional: 642, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 670, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 203, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1223, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 670, unknown conditional: 0, unknown unconditional: 670] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 683]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 683]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 97 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 23:15:06,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc6d25f-cbdb-4db3-acae-0359e57ee671/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE