./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:21:15,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:21:15,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:21:15,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:21:15,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:21:15,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:21:15,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:21:15,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:21:15,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:21:15,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:21:15,586 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:21:15,587 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:21:15,587 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:21:15,588 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:21:15,588 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:21:15,588 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:21:15,589 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:21:15,592 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:21:15,593 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:21:15,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:21:15,594 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:21:15,598 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:21:15,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:21:15,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:21:15,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:21:15,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:21:15,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:21:15,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:21:15,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:21:15,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:21:15,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:21:15,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:21:15,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:21:15,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:21:15,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:21:15,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:21:15,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:21:15,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:21:15,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:15,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:21:15,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:21:15,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:21:15,607 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:21:15,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:21:15,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:21:15,608 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:21:15,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:21:15,609 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2024-11-09 01:21:15,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:21:15,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:21:15,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:21:15,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:21:15,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:21:15,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c Unable to find full path for "g++" [2024-11-09 01:21:18,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:21:18,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:21:18,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2024-11-09 01:21:18,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/data/c59ceae84/0789afaf390a4c32ab81323672b7251b/FLAG74b5ea9d6 [2024-11-09 01:21:18,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/data/c59ceae84/0789afaf390a4c32ab81323672b7251b [2024-11-09 01:21:18,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:21:18,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:21:18,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:18,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:21:18,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:21:18,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d695dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18, skipping insertion in model container [2024-11-09 01:21:18,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:21:18,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2024-11-09 01:21:18,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:18,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:21:18,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2024-11-09 01:21:18,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:18,738 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:21:18,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18 WrapperNode [2024-11-09 01:21:18,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:18,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:18,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:21:18,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:21:18,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,778 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2024-11-09 01:21:18,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:18,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:21:18,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:21:18,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:21:18,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:21:18,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:21:18,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:21:18,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:21:18,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (1/1) ... [2024-11-09 01:21:18,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:18,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:18,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:21:18,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:21:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:21:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:21:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 01:21:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:21:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:21:18,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:21:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:21:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 01:21:19,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:21:19,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:21:19,200 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:21:19,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:21:19,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:21:19,235 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:21:19,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:21:19 BoogieIcfgContainer [2024-11-09 01:21:19,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:21:19,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:21:19,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:21:19,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:21:19,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:21:18" (1/3) ... [2024-11-09 01:21:19,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ce15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:21:19, skipping insertion in model container [2024-11-09 01:21:19,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:18" (2/3) ... [2024-11-09 01:21:19,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ce15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:21:19, skipping insertion in model container [2024-11-09 01:21:19,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:21:19" (3/3) ... [2024-11-09 01:21:19,249 INFO L112 eAbstractionObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2024-11-09 01:21:19,274 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:21:19,274 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:21:19,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:21:19,355 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@30803464, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:21:19,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:21:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 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) [2024-11-09 01:21:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 01:21:19,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:19,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:19,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:19,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1769866415, now seen corresponding path program 1 times [2024-11-09 01:21:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:19,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984486538] [2024-11-09 01:21:19,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:19,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:21:19,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:19,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984486538] [2024-11-09 01:21:19,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984486538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:21:19,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:21:19,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:21:19,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025291786] [2024-11-09 01:21:19,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:21:19,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:21:19,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:21:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:21:19,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:21:19,732 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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) [2024-11-09 01:21:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:21:19,784 INFO L93 Difference]: Finished difference Result 26 states and 36 transitions. [2024-11-09 01:21:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:21:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 [2024-11-09 01:21:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:21:19,802 INFO L225 Difference]: With dead ends: 26 [2024-11-09 01:21:19,802 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 01:21:19,805 INFO L431 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 [2024-11-09 01:21:19,810 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:21:19,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:21:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 01:21:19,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2024-11-09 01:21:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2024-11-09 01:21:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-09 01:21:19,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 7 [2024-11-09 01:21:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:21:19,851 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-09 01:21:19,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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) [2024-11-09 01:21:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 01:21:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:21:19,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:19,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:19,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:21:19,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:19,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1011269014, now seen corresponding path program 1 times [2024-11-09 01:21:19,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:19,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128571662] [2024-11-09 01:21:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:21:20,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:20,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128571662] [2024-11-09 01:21:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128571662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:20,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681733222] [2024-11-09 01:21:20,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:20,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:20,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:20,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:21:20,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:21:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:20,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:21:20,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:21:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:21:20,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:21:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:21:20,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681733222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:21:20,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1169877184] [2024-11-09 01:21:20,250 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-09 01:21:20,251 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:21:20,256 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:21:20,262 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:21:20,264 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:21:21,032 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:21:21,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1169877184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:21:21,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:21:21,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 12 [2024-11-09 01:21:21,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302924552] [2024-11-09 01:21:21,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:21:21,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 01:21:21,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:21:21,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 01:21:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-09 01:21:21,278 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2024-11-09 01:21:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:21:21,417 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2024-11-09 01:21:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:21:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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) Word has length 9 [2024-11-09 01:21:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:21:21,422 INFO L225 Difference]: With dead ends: 24 [2024-11-09 01:21:21,422 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 01:21:21,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-09 01:21:21,426 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 24 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:21:21,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 15 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:21:21,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 01:21:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2024-11-09 01:21:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 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) [2024-11-09 01:21:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-11-09 01:21:21,438 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 9 [2024-11-09 01:21:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:21:21,439 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-09 01:21:21,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2024-11-09 01:21:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-09 01:21:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 01:21:21,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:21,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:21,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:21:21,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:21,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:21,644 INFO L85 PathProgramCache]: Analyzing trace with hash 962662651, now seen corresponding path program 1 times [2024-11-09 01:21:21,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:21,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101257541] [2024-11-09 01:21:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:21,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:21:21,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:21,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101257541] [2024-11-09 01:21:21,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101257541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:21,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916178983] [2024-11-09 01:21:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:21,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:21:21,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:21:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:21,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:21:21,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:21:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:21:21,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:21:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:21:21,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916178983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:21:21,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [137873201] [2024-11-09 01:21:21,871 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-09 01:21:21,872 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:21:21,872 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:21:21,872 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:21:21,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:21:22,444 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:21:22,694 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '242#(and (<= 1 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~idx_in~0#1|) (or (exists ((|v_ULTIMATE.start_main_~c~0#1_23| Int)) (< 57 (mod |v_ULTIMATE.start_main_~c~0#1_23| 256))) (exists ((|v_ULTIMATE.start_main_~c~0#1_23| Int)) (< (mod |v_ULTIMATE.start_main_~c~0#1_23| 256) 48))) (= |ULTIMATE.start_main_~#in~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#in~0#1.base|))' at error location [2024-11-09 01:21:22,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:21:22,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:21:22,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 01:21:22,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252853861] [2024-11-09 01:21:22,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:21:22,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 01:21:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:21:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 01:21:22,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-09 01:21:22,698 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-09 01:21:22,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:21:22,763 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2024-11-09 01:21:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:21:22,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 11 [2024-11-09 01:21:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:21:22,765 INFO L225 Difference]: With dead ends: 31 [2024-11-09 01:21:22,765 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 01:21:22,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-09 01:21:22,768 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:21:22,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:21:22,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 01:21:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2024-11-09 01:21:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2024-11-09 01:21:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-09 01:21:22,776 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11 [2024-11-09 01:21:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:21:22,777 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-09 01:21:22,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-11-09 01:21:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-09 01:21:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:21:22,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:22,779 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:22,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 01:21:22,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:22,984 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:22,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2133913462, now seen corresponding path program 2 times [2024-11-09 01:21:22,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:22,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738837745] [2024-11-09 01:21:22,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:22,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:21:23,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:23,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738837745] [2024-11-09 01:21:23,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738837745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477861703] [2024-11-09 01:21:23,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 01:21:23,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:23,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:21:23,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:21:23,259 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 01:21:23,259 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 01:21:23,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:21:23,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:21:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 01:21:23,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:21:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 01:21:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477861703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:21:23,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [915764882] [2024-11-09 01:21:23,597 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-09 01:21:23,598 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:21:23,598 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:21:23,599 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:21:23,599 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:21:24,031 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:21:24,258 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '424#(and (or (exists ((|v_ULTIMATE.start_main_~c~0#1_28| Int)) (< (mod |v_ULTIMATE.start_main_~c~0#1_28| 256) 48)) (exists ((|v_ULTIMATE.start_main_~c~0#1_28| Int)) (< 57 (mod |v_ULTIMATE.start_main_~c~0#1_28| 256)))) (<= 1 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~idx_in~0#1|) (= |ULTIMATE.start_main_~#in~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#in~0#1.base|))' at error location [2024-11-09 01:21:24,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:21:24,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:21:24,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-09 01:21:24,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319855227] [2024-11-09 01:21:24,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:21:24,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 01:21:24,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:21:24,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 01:21:24,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-09 01:21:24,261 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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) [2024-11-09 01:21:24,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:21:24,559 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2024-11-09 01:21:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 01:21:24,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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 17 [2024-11-09 01:21:24,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:21:24,561 INFO L225 Difference]: With dead ends: 38 [2024-11-09 01:21:24,562 INFO L226 Difference]: Without dead ends: 26 [2024-11-09 01:21:24,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2024-11-09 01:21:24,567 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:21:24,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 25 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:21:24,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-09 01:21:24,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-09 01:21:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 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) [2024-11-09 01:21:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-11-09 01:21:24,581 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 17 [2024-11-09 01:21:24,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:21:24,581 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-11-09 01:21:24,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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) [2024-11-09 01:21:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-09 01:21:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 01:21:24,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:24,584 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:24,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 01:21:24,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:24,792 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:24,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1746845081, now seen corresponding path program 3 times [2024-11-09 01:21:24,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:24,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104774638] [2024-11-09 01:21:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 01:21:25,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:25,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104774638] [2024-11-09 01:21:25,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104774638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:25,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373588347] [2024-11-09 01:21:25,117 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 01:21:25,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:25,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:25,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:21:25,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:21:25,240 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 01:21:25,241 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 01:21:25,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 01:21:25,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:21:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 01:21:25,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:21:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 01:21:25,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373588347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:21:25,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [981708522] [2024-11-09 01:21:25,391 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-09 01:21:25,394 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:21:25,395 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:21:25,395 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:21:25,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:21:25,692 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:21:25,888 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '675#(and (<= 1 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~idx_in~0#1|) (or (exists ((|v_ULTIMATE.start_main_~c~0#1_35| Int)) (< (mod |v_ULTIMATE.start_main_~c~0#1_35| 256) 48)) (exists ((|v_ULTIMATE.start_main_~c~0#1_35| Int)) (< 57 (mod |v_ULTIMATE.start_main_~c~0#1_35| 256)))) (= |ULTIMATE.start_main_~#in~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#in~0#1.base|))' at error location [2024-11-09 01:21:25,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:21:25,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:21:25,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-09 01:21:25,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346032671] [2024-11-09 01:21:25,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:21:25,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 01:21:25,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:21:25,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 01:21:25,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-09 01:21:25,892 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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) [2024-11-09 01:21:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:21:25,978 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2024-11-09 01:21:25,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 01:21:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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 23 [2024-11-09 01:21:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:21:25,980 INFO L225 Difference]: With dead ends: 50 [2024-11-09 01:21:25,980 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 01:21:25,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-09 01:21:25,984 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:21:25,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 28 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:21:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 01:21:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 01:21:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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) [2024-11-09 01:21:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2024-11-09 01:21:26,003 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 23 [2024-11-09 01:21:26,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:21:26,004 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2024-11-09 01:21:26,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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) [2024-11-09 01:21:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-11-09 01:21:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 01:21:26,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:21:26,008 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:21:26,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 01:21:26,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:26,213 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:21:26,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:21:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1919924343, now seen corresponding path program 4 times [2024-11-09 01:21:26,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:21:26,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935795973] [2024-11-09 01:21:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:21:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-09 01:21:27,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:21:27,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935795973] [2024-11-09 01:21:27,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935795973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:27,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424982364] [2024-11-09 01:21:27,357 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 01:21:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:21:27,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:27,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:21:27,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:21:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:21:27,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 01:21:27,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:21:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-09 01:21:28,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:21:37,900 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse0 (+ (* (mod (+ 1073741692 (* |c_ULTIMATE.start_main_~i~0#1| 25)) 1073741824) 2) v_z_56)) (.cse1 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648)))) (or (< .cse0 1073741796) (< 2147483623 .cse0) (< .cse1 48) (< 57 .cse1)))) is different from false [2024-11-09 01:21:48,620 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse1 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648))) (.cse0 (+ v_z_56 (* (mod (+ (* (mod |c_ULTIMATE.start_main_~c~0#1| 256) 25) 1073740492 (* 250 |c_ULTIMATE.start_main_~i~0#1|)) 1073741824) 2)))) (or (< .cse0 1073741796) (< .cse1 48) (< 57 .cse1) (< 2147483623 .cse0)))) is different from false [2024-11-09 01:22:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 5 not checked. [2024-11-09 01:22:02,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424982364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:22:02,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1665492531] [2024-11-09 01:22:02,009 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-09 01:22:02,009 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:22:02,009 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:22:02,010 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:22:02,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:22:02,286 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:22:02,883 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1028#(and (<= 1 |#StackHeapBarrier|) (or (exists ((|v_ULTIMATE.start_main_~c~0#1_42| Int)) (< (mod |v_ULTIMATE.start_main_~c~0#1_42| 256) 48)) (exists ((|v_ULTIMATE.start_main_~c~0#1_42| Int)) (< 57 (mod |v_ULTIMATE.start_main_~c~0#1_42| 256)))) (<= 0 |ULTIMATE.start_main_~idx_in~0#1|) (= |ULTIMATE.start_main_~#in~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#in~0#1.base|))' at error location [2024-11-09 01:22:02,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:22:02,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:22:02,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-11-09 01:22:02,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703123656] [2024-11-09 01:22:02,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:22:02,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 01:22:02,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:02,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 01:22:02,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=444, Unknown=2, NotChecked=90, Total=650 [2024-11-09 01:22:02,886 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2024-11-09 01:22:05,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 01:22:07,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-09 01:22:09,315 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~c~0#1| 256))) (and (<= 48 .cse0) (= |c_ULTIMATE.start_main_~i~0#1| 0) (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse2 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648))) (.cse1 (+ v_z_56 (* (mod (+ (* .cse0 25) 1073740492 (* 250 |c_ULTIMATE.start_main_~i~0#1|)) 1073741824) 2)))) (or (< .cse1 1073741796) (< .cse2 48) (< 57 .cse2) (< 2147483623 .cse1)))) (<= .cse0 57))) is different from false [2024-11-09 01:22:11,430 WARN L851 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~i~0#1| 9) (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse0 (+ (* (mod (+ 1073741692 (* |c_ULTIMATE.start_main_~i~0#1| 25)) 1073741824) 2) v_z_56)) (.cse1 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648)))) (or (< .cse0 1073741796) (< 2147483623 .cse0) (< .cse1 48) (< 57 .cse1)))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) is different from false [2024-11-09 01:22:13,567 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~c~0#1| 256))) (and (<= 48 .cse0) (<= |c_ULTIMATE.start_main_~i~0#1| 99) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse2 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648))) (.cse1 (+ v_z_56 (* (mod (+ (* .cse0 25) 1073740492 (* 250 |c_ULTIMATE.start_main_~i~0#1|)) 1073741824) 2)))) (or (< .cse1 1073741796) (< .cse2 48) (< 57 .cse2) (< 2147483623 .cse1)))) (<= .cse0 57))) is different from false [2024-11-09 01:22:15,580 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod (+ 2147483624 (* 5 |c_ULTIMATE.start_main_~i~0#1|)) 2147483648))) (or (< 2147483623 .cse0) (< .cse0 1073741796))) (forall ((v_y_56 Int) (v_z_56 Int)) (let ((.cse1 (+ (* (mod (+ 1073741692 (* |c_ULTIMATE.start_main_~i~0#1| 25)) 1073741824) 2) v_z_56)) (.cse2 (+ (* 1288490189 v_z_56) (* v_y_56 2147483648)))) (or (< .cse1 1073741796) (< 2147483623 .cse1) (< .cse2 48) (< 57 .cse2)))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) is different from false [2024-11-09 01:22:20,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:20,977 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-09 01:22:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 01:22:20,978 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 35 [2024-11-09 01:22:20,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:20,978 INFO L225 Difference]: With dead ends: 48 [2024-11-09 01:22:20,979 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 01:22:20,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 84 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 6 IntricatePredicates, 1 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=151, Invalid=567, Unknown=8, NotChecked=330, Total=1056 [2024-11-09 01:22:20,980 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 126 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:20,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 41 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 2 Unknown, 126 Unchecked, 5.6s Time] [2024-11-09 01:22:20,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 01:22:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 01:22:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 42 states have internal predecessors, (46), 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) [2024-11-09 01:22:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2024-11-09 01:22:20,990 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 35 [2024-11-09 01:22:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:20,991 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-11-09 01:22:20,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2024-11-09 01:22:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2024-11-09 01:22:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 01:22:20,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:20,992 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:21,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:22:21,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:22:21,193 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:21,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash -618533816, now seen corresponding path program 1 times [2024-11-09 01:22:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:21,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959220270] [2024-11-09 01:22:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-09 01:22:21,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:21,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959220270] [2024-11-09 01:22:21,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959220270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:21,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:21,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:22:21,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788161631] [2024-11-09 01:22:21,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:21,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:22:21,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:21,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:22:21,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:22:21,277 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-09 01:22:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:21,297 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2024-11-09 01:22:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:22:21,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 36 [2024-11-09 01:22:21,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:21,298 INFO L225 Difference]: With dead ends: 47 [2024-11-09 01:22:21,298 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 01:22:21,299 INFO L431 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 [2024-11-09 01:22:21,299 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:21,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:22:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 01:22:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-09 01:22:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 41 states have internal predecessors, (43), 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) [2024-11-09 01:22:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2024-11-09 01:22:21,309 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 36 [2024-11-09 01:22:21,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:21,309 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-11-09 01:22:21,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-09 01:22:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2024-11-09 01:22:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:22:21,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:21,311 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:21,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 01:22:21,311 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:22:21,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash 484165158, now seen corresponding path program 5 times [2024-11-09 01:22:21,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:21,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983360804] [2024-11-09 01:22:21,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-09 01:23:51,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:51,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983360804] [2024-11-09 01:23:51,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983360804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:23:51,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696895680] [2024-11-09 01:23:51,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 01:23:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:23:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:23:51,226 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:23:51,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd81d792-f26e-44b7-86c9-319f1e5b26b1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 01:23:51,477 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-09 01:23:51,477 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 01:23:51,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 01:23:51,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:27:07,199 WARN L286 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 178 DAG size of output: 172 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:21,817 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647))) (or (and (exists ((v_z_122 Int) (v_y_113 Int)) (let ((.cse12 (+ |c_ULTIMATE.start_main_~i~0#1| (* v_y_113 4294967296))) (.cse11 (* 2 v_z_122))) (and (<= 0 v_z_122) (exists ((v_y_122 Int)) (let ((.cse8 (* v_y_122 2147483648)) (.cse9 (* 1288490189 v_z_122))) (let ((.cse10 (+ .cse8 .cse9))) (and (exists ((v_z_103 Int) (v_y_103 Int) (v_y_100 Int)) (let ((.cse5 (* 1288490189 v_z_103)) (.cse6 (* v_y_103 2147483648))) (let ((.cse2 (+ .cse5 .cse6)) (.cse1 (+ (* v_y_100 4294967296) .cse8 .cse9)) (.cse0 (* 2 v_z_103))) (and (<= 0 v_z_103) (<= .cse0 .cse1) (<= 0 .cse2) (<= v_z_103 23) (exists ((v_y_92 Int) (v_z_95 Int) (v_y_95 Int)) (let ((.cse7 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296)))) (and (exists ((v_y_78 Int)) (let ((.cse4 (+ (* v_y_78 4294967296) .cse5 .cse6)) (.cse3 (* v_z_95 2))) (and (<= .cse3 .cse4) (<= .cse4 (+ .cse3 9))))) (= (+ (* v_y_95 2147483648) (* v_z_95 858993459)) 0) (<= 0 .cse7) (<= .cse7 2147483647) (<= v_z_95 23) (<= 0 v_z_95)))) (<= .cse2 2147483647) (<= .cse1 (+ 9 .cse0)))))) (<= 0 .cse10) (<= .cse10 2147483647))))) (<= .cse11 .cse12) (<= .cse12 (+ 9 .cse11)) (<= v_z_122 23)))) .cse13 (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) (and (let ((.cse26 (+ 4294967344 |c_ULTIMATE.start_main_~i~0#1|))) (or (exists ((v_z_123 Int) (v_y_115 Int)) (let ((.cse25 (* 2 v_z_123)) (.cse27 (* v_y_115 4294967296))) (and (<= 24 v_z_123) (exists ((v_y_123 Int)) (let ((.cse14 (* 1288490189 v_z_123)) (.cse15 (* v_y_123 2147483648))) (and (<= (+ .cse14 .cse15) 2147483647) (exists ((v_z_107 Int) (v_y_100 Int)) (let ((.cse16 (+ .cse14 (* v_y_100 4294967296) .cse15)) (.cse17 (* 2 v_z_107))) (and (<= .cse16 (+ .cse17 9)) (<= 24 v_z_107) (<= .cse17 .cse16) (<= .cse17 (+ .cse14 48 .cse15)) (exists ((v_y_107 Int)) (let ((.cse22 (* 1288490189 v_z_107)) (.cse23 (* v_y_107 2147483648))) (let ((.cse18 (+ .cse22 .cse23))) (and (<= 0 .cse18) (<= .cse18 2147483647) (exists ((v_y_92 Int) (v_z_95 Int) (v_y_95 Int)) (let ((.cse19 (+ (* v_y_95 2147483648) (* v_z_95 858993459))) (.cse24 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296)))) (and (<= 4294967287 .cse19) (<= .cse19 4294967295) (exists ((v_y_78 Int)) (let ((.cse21 (* v_z_95 2)) (.cse20 (+ (* v_y_78 4294967296) .cse22 .cse23))) (and (<= .cse20 (+ .cse21 9)) (<= .cse21 .cse20)))) (<= 0 .cse24) (<= .cse24 2147483647) (<= v_z_95 23) (<= 0 v_z_95)))))))))))))) (<= .cse25 .cse26) (<= (+ .cse27 |c_ULTIMATE.start_main_~i~0#1| 4294967287) .cse25) (<= .cse25 (+ .cse27 |c_ULTIMATE.start_main_~i~0#1| 4294967296))))) (exists ((v_z_123 Int) (v_y_115 Int)) (let ((.cse38 (* 2 v_z_123)) (.cse39 (* v_y_115 4294967296))) (and (<= 24 v_z_123) (exists ((v_y_123 Int)) (let ((.cse36 (* 1288490189 v_z_123)) (.cse37 (* v_y_123 2147483648))) (and (exists ((v_z_107 Int) (v_y_100 Int)) (let ((.cse34 (+ .cse36 (* v_y_100 4294967296) .cse37)) (.cse35 (* 2 v_z_107))) (and (exists ((v_y_107 Int)) (let ((.cse32 (* 1288490189 v_z_107)) (.cse33 (* v_y_107 2147483648))) (and (exists ((v_y_78 Int) (v_y_84 Int) (v_z_86 Int) (v_y_86 Int)) (let ((.cse29 (+ (* v_y_84 4294967296) (* v_y_86 9223372034707292160) (* 3689348813023923405 v_z_86))) (.cse31 (* v_z_86 2)) (.cse30 (+ (* v_y_78 4294967296) .cse32 .cse33)) (.cse28 (+ (* v_z_86 858993459) (* v_y_86 2147483648)))) (and (<= 4294967287 .cse28) (<= .cse29 2147483647) (<= 0 .cse29) (<= .cse30 (+ .cse31 9)) (<= 24 v_z_86) (<= .cse31 (+ .cse32 48 .cse33)) (<= .cse31 .cse30) (<= .cse28 4294967295)))) (<= (+ .cse32 .cse33) 2147483647)))) (<= .cse34 (+ .cse35 9)) (<= 24 v_z_107) (<= .cse35 .cse34) (<= .cse35 (+ .cse36 48 .cse37))))) (<= (+ .cse36 .cse37) 2147483647)))) (<= .cse38 .cse26) (<= (+ .cse39 |c_ULTIMATE.start_main_~i~0#1| 4294967287) .cse38) (<= .cse38 (+ .cse39 |c_ULTIMATE.start_main_~i~0#1| 4294967296))))) (exists ((v_z_123 Int) (v_y_115 Int)) (let ((.cse50 (* 2 v_z_123)) (.cse51 (* v_y_115 4294967296))) (and (<= 24 v_z_123) (exists ((v_y_123 Int)) (let ((.cse40 (* 1288490189 v_z_123)) (.cse41 (* v_y_123 2147483648))) (and (<= (+ .cse40 .cse41 1) 0) (<= 0 (+ .cse40 .cse41 2147483648)) (exists ((v_z_110 Int) (v_y_99 Int)) (let ((.cse43 (* v_y_99 4294967296)) (.cse42 (* 2 v_z_110))) (and (<= .cse42 (+ .cse40 .cse43 .cse41 4294967296)) (exists ((v_y_110 Int)) (let ((.cse44 (* v_y_110 2147483648)) (.cse45 (* 1288490189 v_z_110))) (and (<= (+ .cse44 .cse45) 2147483647) (exists ((v_y_78 Int) (v_y_84 Int) (v_z_86 Int) (v_y_86 Int)) (let ((.cse49 (+ (* v_y_84 4294967296) (* v_y_86 9223372034707292160) (* 3689348813023923405 v_z_86))) (.cse48 (+ .cse44 .cse45 (* v_y_78 4294967296))) (.cse47 (* v_z_86 2)) (.cse46 (+ (* v_z_86 858993459) (* v_y_86 2147483648)))) (and (<= 4294967287 .cse46) (<= .cse47 .cse48) (<= .cse47 (+ .cse44 .cse45 48)) (<= .cse49 2147483647) (<= 0 .cse49) (<= 24 v_z_86) (<= .cse48 (+ .cse47 9)) (<= .cse46 4294967295))))))) (<= .cse42 (+ 4294967344 .cse40 .cse41)) (<= (+ .cse40 .cse43 4294967287 .cse41) .cse42) (<= 24 v_z_110))))))) (<= .cse50 .cse26) (<= (+ .cse51 |c_ULTIMATE.start_main_~i~0#1| 4294967287) .cse50) (<= .cse50 (+ .cse51 |c_ULTIMATE.start_main_~i~0#1| 4294967296))))) (exists ((v_z_123 Int) (v_y_115 Int)) (let ((.cse62 (* 2 v_z_123)) (.cse63 (* v_y_115 4294967296))) (and (exists ((v_y_123 Int)) (let ((.cse52 (* 1288490189 v_z_123)) (.cse53 (* v_y_123 2147483648))) (and (<= (+ .cse52 .cse53) 2147483647) (exists ((v_z_107 Int) (v_y_100 Int)) (let ((.cse54 (+ .cse52 (* v_y_100 4294967296) .cse53)) (.cse55 (* 2 v_z_107))) (and (<= .cse54 (+ .cse55 9)) (exists ((v_y_107 Int)) (let ((.cse59 (* 1288490189 v_z_107)) (.cse60 (* v_y_107 2147483648))) (let ((.cse56 (+ .cse59 .cse60))) (and (<= 0 .cse56) (<= .cse56 2147483647) (exists ((v_y_92 Int) (v_z_95 Int) (v_y_95 Int)) (let ((.cse61 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296)))) (and (exists ((v_y_78 Int)) (let ((.cse58 (* v_z_95 2)) (.cse57 (+ (* v_y_78 4294967296) .cse59 .cse60))) (and (<= .cse57 (+ .cse58 9)) (<= .cse58 .cse57)))) (= (+ (* v_y_95 2147483648) (* v_z_95 858993459)) 0) (<= 0 .cse61) (<= .cse61 2147483647) (<= v_z_95 23) (<= 0 v_z_95)))))))) (<= 24 v_z_107) (<= .cse55 .cse54) (<= .cse55 (+ .cse52 48 .cse53)))))))) (<= 24 v_z_123) (<= .cse62 .cse26) (<= (+ .cse63 |c_ULTIMATE.start_main_~i~0#1| 4294967287) .cse62) (<= .cse62 (+ .cse63 |c_ULTIMATE.start_main_~i~0#1| 4294967296))))) (exists ((v_z_123 Int) (v_y_115 Int)) (let ((.cse64 (* 2 v_z_123)) (.cse75 (* v_y_115 4294967296))) (and (<= 24 v_z_123) (<= .cse64 .cse26) (exists ((v_y_123 Int)) (let ((.cse66 (* 1288490189 v_z_123)) (.cse68 (* v_y_123 2147483648))) (and (exists ((v_z_110 Int) (v_y_99 Int)) (let ((.cse67 (* v_y_99 4294967296)) (.cse65 (* 2 v_z_110))) (and (<= .cse65 (+ .cse66 .cse67 .cse68 4294967296)) (<= .cse65 (+ 4294967344 .cse66 .cse68)) (<= (+ .cse66 .cse67 4294967287 .cse68) .cse65) (<= 24 v_z_110) (exists ((v_y_110 Int)) (let ((.cse71 (* v_y_110 2147483648)) (.cse72 (* 1288490189 v_z_110))) (let ((.cse74 (+ .cse71 .cse72))) (and (exists ((v_y_92 Int) (v_z_95 Int) (v_y_95 Int)) (let ((.cse73 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296)))) (and (exists ((v_y_78 Int)) (let ((.cse70 (+ .cse71 .cse72 (* v_y_78 4294967296))) (.cse69 (* v_z_95 2))) (and (<= .cse69 .cse70) (<= .cse70 (+ .cse69 9))))) (= (+ (* v_y_95 2147483648) (* v_z_95 858993459)) 0) (<= 0 .cse73) (<= .cse73 2147483647) (<= v_z_95 23) (<= 0 v_z_95)))) (<= .cse74 2147483647) (<= 0 .cse74)))))))) (<= (+ .cse66 .cse68 1) 0) (<= 0 (+ .cse66 .cse68 2147483648))))) (<= (+ .cse75 |c_ULTIMATE.start_main_~i~0#1| 4294967287) .cse64) (<= .cse64 (+ .cse75 |c_ULTIMATE.start_main_~i~0#1| 4294967296))))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) 0)) (and .cse13 (let ((.cse80 (+ 48 |c_ULTIMATE.start_main_~i~0#1|))) (or (exists ((v_y_78 Int) (v_z_103 Int) (v_y_117 Int) (v_y_92 Int) (v_z_117 Int) (v_y_113 Int) (v_y_103 Int) (v_z_95 Int) (v_y_95 Int) (v_y_100 Int)) (let ((.cse86 (* 1288490189 v_z_103)) (.cse87 (* v_y_103 2147483648)) (.cse88 (* v_y_117 2147483648)) (.cse89 (* 1288490189 v_z_117))) (let ((.cse81 (+ |c_ULTIMATE.start_main_~i~0#1| (* v_y_113 4294967296))) (.cse79 (* 2 v_z_117)) (.cse83 (+ .cse88 .cse89 (* v_y_100 4294967296))) (.cse82 (* 2 v_z_103)) (.cse76 (+ .cse88 .cse89)) (.cse85 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296))) (.cse78 (+ (* v_y_78 4294967296) .cse86 .cse87)) (.cse77 (* v_z_95 2)) (.cse84 (+ .cse86 .cse87))) (and (<= 0 v_z_103) (<= 0 .cse76) (<= .cse77 .cse78) (<= .cse79 .cse80) (<= .cse79 .cse81) (<= .cse82 .cse83) (<= .cse81 (+ 9 .cse79)) (= (+ (* v_y_95 2147483648) (* v_z_95 858993459)) 0) (<= 0 .cse84) (<= .cse83 (+ 9 .cse82)) (<= .cse76 2147483647) (<= 0 .cse85) (<= v_z_103 23) (<= .cse85 2147483647) (<= 24 v_z_117) (<= .cse78 (+ .cse77 9)) (<= v_z_95 23) (<= .cse84 2147483647) (<= 0 v_z_95))))) (exists ((v_y_78 Int) (v_y_117 Int) (v_y_107 Int) (v_z_117 Int) (v_z_107 Int) (v_y_113 Int) (v_y_84 Int) (v_y_100 Int) (v_z_86 Int) (v_y_86 Int)) (let ((.cse95 (* 1288490189 v_z_107)) (.cse96 (* v_y_107 2147483648)) (.cse97 (* v_y_117 2147483648)) (.cse98 (* 1288490189 v_z_117))) (let ((.cse94 (+ |c_ULTIMATE.start_main_~i~0#1| (* v_y_113 4294967296))) (.cse93 (* 2 v_z_117)) (.cse99 (+ (* v_y_84 4294967296) (* v_y_86 9223372034707292160) (* 3689348813023923405 v_z_86))) (.cse91 (* 2 v_z_107)) (.cse90 (+ .cse97 .cse98 (* v_y_100 4294967296))) (.cse101 (* v_z_86 2)) (.cse100 (+ (* v_y_78 4294967296) .cse95 .cse96)) (.cse92 (+ (* v_z_86 858993459) (* v_y_86 2147483648)))) (and (<= .cse90 (+ .cse91 9)) (<= 4294967287 .cse92) (<= 24 v_z_107) (<= .cse93 .cse80) (<= .cse93 .cse94) (<= .cse94 (+ 9 .cse93)) (<= (+ .cse95 .cse96) 2147483647) (<= .cse91 (+ .cse97 .cse98 48)) (<= (+ .cse97 .cse98) 2147483647) (<= .cse99 2147483647) (<= 0 .cse99) (<= .cse100 (+ .cse101 9)) (<= .cse91 .cse90) (<= 24 v_z_117) (<= 24 v_z_86) (<= .cse101 (+ .cse95 48 .cse96)) (<= .cse101 .cse100) (<= .cse92 4294967295))))) (exists ((v_y_78 Int) (v_y_117 Int) (v_y_107 Int) (v_y_92 Int) (v_z_117 Int) (v_z_107 Int) (v_y_113 Int) (v_y_95 Int) (v_z_95 Int) (v_y_100 Int)) (let ((.cse110 (* v_y_117 2147483648)) (.cse111 (* 1288490189 v_z_117)) (.cse113 (* 1288490189 v_z_107)) (.cse114 (* v_y_107 2147483648))) (let ((.cse106 (+ |c_ULTIMATE.start_main_~i~0#1| (* v_y_113 4294967296))) (.cse105 (* 2 v_z_117)) (.cse104 (+ (* v_y_95 2147483648) (* v_z_95 858993459))) (.cse107 (+ .cse113 .cse114)) (.cse109 (* v_z_95 2)) (.cse108 (+ (* v_y_78 4294967296) .cse113 .cse114)) (.cse112 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296))) (.cse103 (* 2 v_z_107)) (.cse102 (+ .cse110 .cse111 (* v_y_100 4294967296)))) (and (<= .cse102 (+ .cse103 9)) (<= 4294967287 .cse104) (<= 24 v_z_107) (<= .cse105 .cse80) (<= .cse105 .cse106) (<= .cse106 (+ 9 .cse105)) (<= .cse104 4294967295) (<= 0 .cse107) (<= .cse108 (+ .cse109 9)) (<= .cse107 2147483647) (<= .cse103 (+ .cse110 .cse111 48)) (<= .cse109 .cse108) (<= (+ .cse110 .cse111) 2147483647) (<= 0 .cse112) (<= .cse112 2147483647) (<= .cse103 .cse102) (<= 24 v_z_117) (<= v_z_95 23) (<= 0 v_z_95))))) (exists ((v_y_78 Int) (v_y_117 Int) (v_y_107 Int) (v_y_92 Int) (v_z_117 Int) (v_z_107 Int) (v_y_113 Int) (v_y_95 Int) (v_z_95 Int) (v_y_100 Int)) (let ((.cse122 (* v_y_117 2147483648)) (.cse123 (* 1288490189 v_z_117)) (.cse125 (* 1288490189 v_z_107)) (.cse126 (* v_y_107 2147483648))) (let ((.cse118 (+ |c_ULTIMATE.start_main_~i~0#1| (* v_y_113 4294967296))) (.cse117 (* 2 v_z_117)) (.cse119 (+ .cse125 .cse126)) (.cse121 (* v_z_95 2)) (.cse120 (+ (* v_y_78 4294967296) .cse125 .cse126)) (.cse124 (+ (* 3689348813023923405 v_z_95) (* v_y_95 9223372034707292160) (* v_y_92 4294967296))) (.cse116 (* 2 v_z_107)) (.cse115 (+ .cse122 .cse123 (* v_y_100 4294967296)))) (and (<= .cse115 (+ .cse116 9)) (<= 24 v_z_107) (<= .cse117 .cse80) (<= .cse117 .cse118) (<= .cse118 (+ 9 .cse117)) (<= 0 .cse119) (= (+ (* v_y_95 2147483648) (* v_z_95 858993459)) 0) (<= .cse120 (+ .cse121 9)) (<= .cse119 2147483647) (<= .cse116 (+ .cse122 .cse123 48)) (<= .cse121 .cse120) (<= (+ .cse122 .cse123) 2147483647) (<= 0 .cse124) (<= .cse124 2147483647) (<= .cse116 .cse115) (<= 24 v_z_117) (<= v_z_95 23) (<= 0 v_z_95)))))))))) is different from false