./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire --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 64bit --witnessprinter.graph.data.programhash 404ac2bd3423bef5ce605181ef24be34b1a7af016e0b24dd5c9fcdb327055474 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:40,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:40,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:19:40,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:40,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:40,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:40,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:40,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:40,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:40,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:40,462 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:40,464 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:40,464 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:40,466 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:40,466 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:40,467 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:40,467 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:40,468 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:40,469 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:40,469 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:40,470 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:40,470 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:40,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:40,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:40,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:40,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:40,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:40,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:40,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:40,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:40,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:40,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:40,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:40,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:40,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:40,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:40,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:40,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:40,480 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:40,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:40,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:40,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:40,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:40,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:40,482 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 404ac2bd3423bef5ce605181ef24be34b1a7af016e0b24dd5c9fcdb327055474 [2023-11-23 21:19:40,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:40,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:40,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:40,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:40,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:40,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:19:44,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:44,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:44,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:19:44,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/f4b1247a3/7d627e1f155e46f1ac1386aed367ccc1/FLAG5a5a2f1b7 [2023-11-23 21:19:44,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/f4b1247a3/7d627e1f155e46f1ac1386aed367ccc1 [2023-11-23 21:19:44,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:44,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:44,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:44,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:44,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:44,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:44" (1/1) ... [2023-11-23 21:19:44,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687fb0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:44, skipping insertion in model container [2023-11-23 21:19:44,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:44" (1/1) ... [2023-11-23 21:19:44,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:44,820 WARN L240 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2023-11-23 21:19:45,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:45,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:45,486 WARN L240 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2023-11-23 21:19:45,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:45,680 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:45,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45 WrapperNode [2023-11-23 21:19:45,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:45,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:45,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:45,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:45,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:45,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,371 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4991 [2023-11-23 21:19:46,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:46,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:46,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:46,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:46,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:46,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:47,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:47,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:47,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:47,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:47,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (1/1) ... [2023-11-23 21:19:47,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:47,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:47,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:47,803 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:47,806 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:51,393 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:58,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:58,994 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:58,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:58 BoogieIcfgContainer [2023-11-23 21:19:58,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:58,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:58,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:59,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:59,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:44" (1/3) ... [2023-11-23 21:19:59,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73392223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:59, skipping insertion in model container [2023-11-23 21:19:59,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:45" (2/3) ... [2023-11-23 21:19:59,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73392223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:59, skipping insertion in model container [2023-11-23 21:19:59,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:58" (3/3) ... [2023-11-23 21:19:59,009 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:19:59,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:59,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:59,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:59,098 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2d7ea71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:59,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:19:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:19:59,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:59,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:19:59,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:59,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:59,124 INFO L85 PathProgramCache]: Analyzing trace with hash 143376588, now seen corresponding path program 1 times [2023-11-23 21:19:59,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:59,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827610988] [2023-11-23 21:19:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:06,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:11,641 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:11,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:11,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:11,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:11,653 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:11,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:11,733 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:20:11,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:11 BoogieIcfgContainer [2023-11-23 21:20:11,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:11,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:11,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:11,777 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:11,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:58" (3/4) ... [2023-11-23 21:20:11,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:11,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:11,783 INFO L158 Benchmark]: Toolchain (without parser) took 27270.25ms. Allocated memory was 169.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 122.7MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 321.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,784 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:11,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1167.73ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 81.4MB in the end (delta: 41.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 689.64ms. Allocated memory is still 169.9MB. Free memory was 81.4MB in the beginning and 71.0MB in the end (delta: 10.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,791 INFO L158 Benchmark]: Boogie Preprocessor took 651.07ms. Allocated memory was 169.9MB in the beginning and 291.5MB in the end (delta: 121.6MB). Free memory was 71.0MB in the beginning and 166.1MB in the end (delta: -95.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,793 INFO L158 Benchmark]: RCFGBuilder took 11971.49ms. Allocated memory was 291.5MB in the beginning and 1.2GB in the end (delta: 945.8MB). Free memory was 166.1MB in the beginning and 898.9MB in the end (delta: -732.8MB). Peak memory consumption was 441.5MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,794 INFO L158 Benchmark]: TraceAbstraction took 12775.81ms. Allocated memory was 1.2GB in the beginning and 2.7GB in the end (delta: 1.4GB). Free memory was 897.9MB in the beginning and 2.3GB in the end (delta: -1.4GB). Peak memory consumption was 564.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:11,795 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 2.7GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:11,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1167.73ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 81.4MB in the end (delta: 41.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 689.64ms. Allocated memory is still 169.9MB. Free memory was 81.4MB in the beginning and 71.0MB in the end (delta: 10.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 651.07ms. Allocated memory was 169.9MB in the beginning and 291.5MB in the end (delta: 121.6MB). Free memory was 71.0MB in the beginning and 166.1MB in the end (delta: -95.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * RCFGBuilder took 11971.49ms. Allocated memory was 291.5MB in the beginning and 1.2GB in the end (delta: 945.8MB). Free memory was 166.1MB in the beginning and 898.9MB in the end (delta: -732.8MB). Peak memory consumption was 441.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12775.81ms. Allocated memory was 1.2GB in the beginning and 2.7GB in the end (delta: 1.4GB). Free memory was 897.9MB in the beginning and 2.3GB in the end (delta: -1.4GB). Peak memory consumption was 564.1MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 2.7GB. Free memory is still 2.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 234, overapproximation of bitwiseAnd at line 143. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 4); [L33] const SORT_26 msb_SORT_26 = (SORT_26)1 << (4 - 1); [L35] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L36] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L38] const SORT_196 mask_SORT_196 = (SORT_196)-1 >> (sizeof(SORT_196) * 8 - 3); [L39] const SORT_196 msb_SORT_196 = (SORT_196)1 << (3 - 1); [L41] const SORT_1 var_11 = 0; [L42] const SORT_3 var_14 = 2; [L43] const SORT_1 var_29 = 1; [L44] const SORT_165 var_167 = 1; [L45] const SORT_3 var_250 = 0; [L46] const SORT_3 var_251 = 3; [L47] const SORT_165 var_260 = 0; [L48] const SORT_165 var_471 = 2; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_186; [L58] SORT_3 input_249; [L59] SORT_3 input_265; [L60] SORT_3 input_266; [L61] SORT_3 input_267; [L62] SORT_3 input_268; [L63] SORT_3 input_295; [L64] SORT_3 input_296; [L65] SORT_3 input_297; [L66] SORT_3 input_306; [L67] SORT_3 input_360; [L68] SORT_3 input_372; [L69] SORT_3 input_373; [L70] SORT_3 input_374; [L71] SORT_3 input_375; [L72] SORT_3 input_384; [L73] SORT_3 input_405; [L74] SORT_3 input_406; [L75] SORT_3 input_407; [L76] SORT_3 input_416; [L77] SORT_3 input_418; [L78] SORT_3 input_464; [L79] SORT_3 input_478; [L80] SORT_3 input_479; [L81] SORT_3 input_480; [L82] SORT_3 input_481; [L83] SORT_3 input_490; [L84] SORT_3 input_492; [L85] SORT_3 input_514; [L86] SORT_3 input_515; [L87] SORT_3 input_516; [L88] SORT_3 input_525; [L89] SORT_3 input_527; [L90] SORT_3 input_529; [L91] SORT_3 input_575; [L92] SORT_3 input_586; [L93] SORT_3 input_587; [L94] SORT_3 input_588; [L95] SORT_3 input_596; [L96] SORT_3 input_598; [L97] SORT_3 input_600; [L98] SORT_3 input_620; [L99] SORT_3 input_621; [L100] SORT_3 input_629; [L101] SORT_3 input_631; [L102] SORT_3 input_633; [L103] SORT_3 input_635; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L106] SORT_3 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L107] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L108] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L109] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 [L110] SORT_26 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L111] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L112] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L113] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L114] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L115] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L116] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L117] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L119] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L120] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L121] SORT_3 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L122] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L123] SORT_3 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L124] SORT_3 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L125] SORT_3 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L126] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L127] SORT_3 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L128] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L129] SORT_3 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L130] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L131] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L132] SORT_3 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L133] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L134] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L135] SORT_3 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L136] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L137] SORT_3 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L138] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L142] input_2 = __VERIFIER_nondet_uchar() [L143] EXPR input_2 & mask_SORT_1 [L143] input_2 = input_2 & mask_SORT_1 [L144] input_4 = __VERIFIER_nondet_uchar() [L145] input_5 = __VERIFIER_nondet_uchar() [L146] input_6 = __VERIFIER_nondet_uchar() [L147] input_7 = __VERIFIER_nondet_uchar() [L148] input_8 = __VERIFIER_nondet_uchar() [L149] input_9 = __VERIFIER_nondet_uchar() [L150] EXPR input_9 & mask_SORT_1 [L150] input_9 = input_9 & mask_SORT_1 [L151] input_186 = __VERIFIER_nondet_uchar() [L152] input_249 = __VERIFIER_nondet_uchar() [L153] input_265 = __VERIFIER_nondet_uchar() [L154] input_266 = __VERIFIER_nondet_uchar() [L155] input_267 = __VERIFIER_nondet_uchar() [L156] input_268 = __VERIFIER_nondet_uchar() [L157] input_295 = __VERIFIER_nondet_uchar() [L158] input_296 = __VERIFIER_nondet_uchar() [L159] input_297 = __VERIFIER_nondet_uchar() [L160] input_306 = __VERIFIER_nondet_uchar() [L161] input_360 = __VERIFIER_nondet_uchar() [L162] input_372 = __VERIFIER_nondet_uchar() [L163] input_373 = __VERIFIER_nondet_uchar() [L164] input_374 = __VERIFIER_nondet_uchar() [L165] input_375 = __VERIFIER_nondet_uchar() [L166] input_384 = __VERIFIER_nondet_uchar() [L167] input_405 = __VERIFIER_nondet_uchar() [L168] input_406 = __VERIFIER_nondet_uchar() [L169] input_407 = __VERIFIER_nondet_uchar() [L170] input_416 = __VERIFIER_nondet_uchar() [L171] input_418 = __VERIFIER_nondet_uchar() [L172] input_464 = __VERIFIER_nondet_uchar() [L173] input_478 = __VERIFIER_nondet_uchar() [L174] input_479 = __VERIFIER_nondet_uchar() [L175] input_480 = __VERIFIER_nondet_uchar() [L176] input_481 = __VERIFIER_nondet_uchar() [L177] input_490 = __VERIFIER_nondet_uchar() [L178] input_492 = __VERIFIER_nondet_uchar() [L179] input_514 = __VERIFIER_nondet_uchar() [L180] input_515 = __VERIFIER_nondet_uchar() [L181] input_516 = __VERIFIER_nondet_uchar() [L182] input_525 = __VERIFIER_nondet_uchar() [L183] input_527 = __VERIFIER_nondet_uchar() [L184] input_529 = __VERIFIER_nondet_uchar() [L185] input_575 = __VERIFIER_nondet_uchar() [L186] input_586 = __VERIFIER_nondet_uchar() [L187] input_587 = __VERIFIER_nondet_uchar() [L188] input_588 = __VERIFIER_nondet_uchar() [L189] input_596 = __VERIFIER_nondet_uchar() [L190] input_598 = __VERIFIER_nondet_uchar() [L191] input_600 = __VERIFIER_nondet_uchar() [L192] input_620 = __VERIFIER_nondet_uchar() [L193] input_621 = __VERIFIER_nondet_uchar() [L194] input_629 = __VERIFIER_nondet_uchar() [L195] input_631 = __VERIFIER_nondet_uchar() [L196] input_633 = __VERIFIER_nondet_uchar() [L197] input_635 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_12_arg_0 = state_10; [L201] SORT_1 var_12_arg_1 = var_11; [L202] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L203] SORT_3 var_15_arg_0 = state_13; [L204] SORT_3 var_15_arg_1 = var_14; [L205] SORT_1 var_15 = var_15_arg_0 >= var_15_arg_1; [L206] SORT_3 var_17_arg_0 = state_16; [L207] SORT_3 var_17_arg_1 = var_14; [L208] SORT_1 var_17 = var_17_arg_0 >= var_17_arg_1; [L209] SORT_1 var_18_arg_0 = var_15; [L210] SORT_1 var_18_arg_1 = var_17; [L211] EXPR var_18_arg_0 & var_18_arg_1 [L211] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L212] SORT_3 var_20_arg_0 = state_19; [L213] SORT_3 var_20_arg_1 = var_14; [L214] SORT_1 var_20 = var_20_arg_0 >= var_20_arg_1; [L215] SORT_1 var_21_arg_0 = var_18; [L216] SORT_1 var_21_arg_1 = var_20; [L217] EXPR var_21_arg_0 & var_21_arg_1 [L217] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L218] SORT_3 var_23_arg_0 = state_22; [L219] SORT_3 var_23_arg_1 = var_14; [L220] SORT_1 var_23 = var_23_arg_0 >= var_23_arg_1; [L221] SORT_1 var_24_arg_0 = var_21; [L222] SORT_1 var_24_arg_1 = var_23; [L223] EXPR var_24_arg_0 & var_24_arg_1 [L223] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L224] SORT_1 var_25_arg_0 = var_24; [L225] SORT_1 var_25 = ~var_25_arg_0; [L226] SORT_26 var_28_arg_0 = state_27; [L227] SORT_1 var_28 = var_28_arg_0 >> 3; [L228] EXPR var_28 & mask_SORT_1 [L228] var_28 = var_28 & mask_SORT_1 [L229] SORT_1 var_30_arg_0 = var_28; [L230] SORT_1 var_30_arg_1 = var_29; [L231] SORT_1 var_30 = var_30_arg_0 == var_30_arg_1; [L232] SORT_1 var_31_arg_0 = var_25; [L233] SORT_1 var_31_arg_1 = var_30; [L234] EXPR var_31_arg_0 | var_31_arg_1 [L234] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L235] SORT_3 var_33_arg_0 = state_32; [L236] SORT_3 var_33_arg_1 = var_14; [L237] SORT_1 var_33 = var_33_arg_0 >= var_33_arg_1; [L238] SORT_3 var_35_arg_0 = state_34; [L239] SORT_3 var_35_arg_1 = var_14; [L240] SORT_1 var_35 = var_35_arg_0 >= var_35_arg_1; [L241] SORT_1 var_36_arg_0 = var_33; [L242] SORT_1 var_36_arg_1 = var_35; [L243] EXPR var_36_arg_0 & var_36_arg_1 [L243] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L244] SORT_3 var_38_arg_0 = state_37; [L245] SORT_3 var_38_arg_1 = var_14; [L246] SORT_1 var_38 = var_38_arg_0 >= var_38_arg_1; [L247] SORT_1 var_39_arg_0 = var_36; [L248] SORT_1 var_39_arg_1 = var_38; [L249] EXPR var_39_arg_0 & var_39_arg_1 [L249] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L250] SORT_3 var_41_arg_0 = state_40; [L251] SORT_3 var_41_arg_1 = var_14; [L252] SORT_1 var_41 = var_41_arg_0 >= var_41_arg_1; [L253] SORT_1 var_42_arg_0 = var_39; [L254] SORT_1 var_42_arg_1 = var_41; [L255] EXPR var_42_arg_0 & var_42_arg_1 [L255] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L256] SORT_1 var_43_arg_0 = var_42; [L257] SORT_1 var_43 = ~var_43_arg_0; [L258] SORT_26 var_44_arg_0 = state_27; [L259] SORT_1 var_44 = var_44_arg_0 >> 2; [L260] EXPR var_44 & mask_SORT_1 [L260] var_44 = var_44 & mask_SORT_1 [L261] SORT_1 var_45_arg_0 = var_44; [L262] SORT_1 var_45_arg_1 = var_29; [L263] SORT_1 var_45 = var_45_arg_0 >= var_45_arg_1; [L264] SORT_1 var_46_arg_0 = var_43; [L265] SORT_1 var_46_arg_1 = var_45; [L266] EXPR var_46_arg_0 | var_46_arg_1 [L266] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L267] SORT_1 var_47_arg_0 = var_31; [L268] SORT_1 var_47_arg_1 = var_46; [L269] EXPR var_47_arg_0 & var_47_arg_1 [L269] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L270] SORT_3 var_49_arg_0 = state_48; [L271] SORT_3 var_49_arg_1 = var_14; [L272] SORT_1 var_49 = var_49_arg_0 >= var_49_arg_1; [L273] SORT_3 var_51_arg_0 = state_50; [L274] SORT_3 var_51_arg_1 = var_14; [L275] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L276] SORT_1 var_52_arg_0 = var_49; [L277] SORT_1 var_52_arg_1 = var_51; [L278] EXPR var_52_arg_0 & var_52_arg_1 [L278] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L279] SORT_3 var_54_arg_0 = state_53; [L280] SORT_3 var_54_arg_1 = var_14; [L281] SORT_1 var_54 = var_54_arg_0 >= var_54_arg_1; [L282] SORT_1 var_55_arg_0 = var_52; [L283] SORT_1 var_55_arg_1 = var_54; [L284] EXPR var_55_arg_0 & var_55_arg_1 [L284] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L285] SORT_3 var_57_arg_0 = state_56; [L286] SORT_3 var_57_arg_1 = var_14; [L287] SORT_1 var_57 = var_57_arg_0 >= var_57_arg_1; [L288] SORT_1 var_58_arg_0 = var_55; [L289] SORT_1 var_58_arg_1 = var_57; [L290] EXPR var_58_arg_0 & var_58_arg_1 [L290] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L291] SORT_1 var_59_arg_0 = var_58; [L292] SORT_1 var_59 = ~var_59_arg_0; [L293] SORT_26 var_60_arg_0 = state_27; [L294] SORT_1 var_60 = var_60_arg_0 >> 1; [L295] EXPR var_60 & mask_SORT_1 [L295] var_60 = var_60 & mask_SORT_1 [L296] SORT_1 var_61_arg_0 = var_60; [L297] SORT_1 var_61_arg_1 = var_29; [L298] SORT_1 var_61 = var_61_arg_0 >= var_61_arg_1; [L299] SORT_1 var_62_arg_0 = var_59; [L300] SORT_1 var_62_arg_1 = var_61; [L301] EXPR var_62_arg_0 | var_62_arg_1 [L301] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L302] SORT_1 var_63_arg_0 = var_47; [L303] SORT_1 var_63_arg_1 = var_62; [L304] EXPR var_63_arg_0 & var_63_arg_1 [L304] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L305] SORT_3 var_65_arg_0 = state_64; [L306] SORT_3 var_65_arg_1 = var_14; [L307] SORT_1 var_65 = var_65_arg_0 >= var_65_arg_1; [L308] SORT_3 var_67_arg_0 = state_66; [L309] SORT_3 var_67_arg_1 = var_14; [L310] SORT_1 var_67 = var_67_arg_0 >= var_67_arg_1; [L311] SORT_1 var_68_arg_0 = var_65; [L312] SORT_1 var_68_arg_1 = var_67; [L313] EXPR var_68_arg_0 & var_68_arg_1 [L313] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L314] SORT_3 var_70_arg_0 = state_69; [L315] SORT_3 var_70_arg_1 = var_14; [L316] SORT_1 var_70 = var_70_arg_0 >= var_70_arg_1; [L317] SORT_1 var_71_arg_0 = var_68; [L318] SORT_1 var_71_arg_1 = var_70; [L319] EXPR var_71_arg_0 & var_71_arg_1 [L319] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L320] SORT_3 var_73_arg_0 = state_72; [L321] SORT_3 var_73_arg_1 = var_14; [L322] SORT_1 var_73 = var_73_arg_0 >= var_73_arg_1; [L323] SORT_1 var_74_arg_0 = var_71; [L324] SORT_1 var_74_arg_1 = var_73; [L325] EXPR var_74_arg_0 & var_74_arg_1 [L325] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L326] SORT_1 var_75_arg_0 = var_74; [L327] SORT_1 var_75 = ~var_75_arg_0; [L328] SORT_26 var_76_arg_0 = state_27; [L329] SORT_1 var_76 = var_76_arg_0 >> 0; [L330] EXPR var_76 & mask_SORT_1 [L330] var_76 = var_76 & mask_SORT_1 [L331] SORT_1 var_77_arg_0 = var_76; [L332] SORT_1 var_77_arg_1 = var_29; [L333] SORT_1 var_77 = var_77_arg_0 >= var_77_arg_1; [L334] SORT_1 var_78_arg_0 = var_75; [L335] SORT_1 var_78_arg_1 = var_77; [L336] EXPR var_78_arg_0 | var_78_arg_1 [L336] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L337] SORT_1 var_79_arg_0 = var_63; [L338] SORT_1 var_79_arg_1 = var_78; [L339] EXPR var_79_arg_0 & var_79_arg_1 [L339] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L340] SORT_3 var_80_arg_0 = state_13; [L341] SORT_3 var_80_arg_1 = var_14; [L342] SORT_1 var_80 = var_80_arg_0 >= var_80_arg_1; [L343] SORT_3 var_81_arg_0 = state_16; [L344] SORT_3 var_81_arg_1 = var_14; [L345] SORT_1 var_81 = var_81_arg_0 >= var_81_arg_1; [L346] SORT_1 var_82_arg_0 = var_80; [L347] SORT_1 var_82_arg_1 = var_81; [L348] EXPR var_82_arg_0 | var_82_arg_1 [L348] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L349] SORT_3 var_83_arg_0 = state_19; [L350] SORT_3 var_83_arg_1 = var_14; [L351] SORT_1 var_83 = var_83_arg_0 >= var_83_arg_1; [L352] SORT_1 var_84_arg_0 = var_82; [L353] SORT_1 var_84_arg_1 = var_83; [L354] EXPR var_84_arg_0 | var_84_arg_1 [L354] SORT_1 var_84 = var_84_arg_0 | var_84_arg_1; [L355] SORT_3 var_85_arg_0 = state_22; [L356] SORT_3 var_85_arg_1 = var_14; [L357] SORT_1 var_85 = var_85_arg_0 >= var_85_arg_1; [L358] SORT_1 var_86_arg_0 = var_84; [L359] SORT_1 var_86_arg_1 = var_85; [L360] EXPR var_86_arg_0 | var_86_arg_1 [L360] SORT_1 var_86 = var_86_arg_0 | var_86_arg_1; [L361] SORT_1 var_87_arg_0 = var_28; [L362] SORT_1 var_87_arg_1 = var_11; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_1 var_88_arg_0 = var_86; [L365] SORT_1 var_88_arg_1 = var_87; [L366] EXPR var_88_arg_0 | var_88_arg_1 [L366] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L367] SORT_1 var_89_arg_0 = var_79; [L368] SORT_1 var_89_arg_1 = var_88; [L369] EXPR var_89_arg_0 & var_89_arg_1 [L369] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L370] SORT_3 var_90_arg_0 = state_32; [L371] SORT_3 var_90_arg_1 = var_14; [L372] SORT_1 var_90 = var_90_arg_0 >= var_90_arg_1; [L373] SORT_3 var_91_arg_0 = state_34; [L374] SORT_3 var_91_arg_1 = var_14; [L375] SORT_1 var_91 = var_91_arg_0 >= var_91_arg_1; [L376] SORT_1 var_92_arg_0 = var_90; [L377] SORT_1 var_92_arg_1 = var_91; [L378] EXPR var_92_arg_0 | var_92_arg_1 [L378] SORT_1 var_92 = var_92_arg_0 | var_92_arg_1; [L379] SORT_3 var_93_arg_0 = state_37; [L380] SORT_3 var_93_arg_1 = var_14; [L381] SORT_1 var_93 = var_93_arg_0 >= var_93_arg_1; [L382] SORT_1 var_94_arg_0 = var_92; [L383] SORT_1 var_94_arg_1 = var_93; [L384] EXPR var_94_arg_0 | var_94_arg_1 [L384] SORT_1 var_94 = var_94_arg_0 | var_94_arg_1; [L385] SORT_3 var_95_arg_0 = state_40; [L386] SORT_3 var_95_arg_1 = var_14; [L387] SORT_1 var_95 = var_95_arg_0 >= var_95_arg_1; [L388] SORT_1 var_96_arg_0 = var_94; [L389] SORT_1 var_96_arg_1 = var_95; [L390] EXPR var_96_arg_0 | var_96_arg_1 [L390] SORT_1 var_96 = var_96_arg_0 | var_96_arg_1; [L391] SORT_1 var_97_arg_0 = var_44; [L392] SORT_1 var_97_arg_1 = var_11; [L393] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L394] SORT_1 var_98_arg_0 = var_96; [L395] SORT_1 var_98_arg_1 = var_97; [L396] EXPR var_98_arg_0 | var_98_arg_1 [L396] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L397] SORT_1 var_99_arg_0 = var_89; [L398] SORT_1 var_99_arg_1 = var_98; [L399] EXPR var_99_arg_0 & var_99_arg_1 [L399] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L400] SORT_3 var_100_arg_0 = state_48; [L401] SORT_3 var_100_arg_1 = var_14; [L402] SORT_1 var_100 = var_100_arg_0 >= var_100_arg_1; [L403] SORT_3 var_101_arg_0 = state_50; [L404] SORT_3 var_101_arg_1 = var_14; [L405] SORT_1 var_101 = var_101_arg_0 >= var_101_arg_1; [L406] SORT_1 var_102_arg_0 = var_100; [L407] SORT_1 var_102_arg_1 = var_101; [L408] EXPR var_102_arg_0 | var_102_arg_1 [L408] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L409] SORT_3 var_103_arg_0 = state_53; [L410] SORT_3 var_103_arg_1 = var_14; [L411] SORT_1 var_103 = var_103_arg_0 >= var_103_arg_1; [L412] SORT_1 var_104_arg_0 = var_102; [L413] SORT_1 var_104_arg_1 = var_103; [L414] EXPR var_104_arg_0 | var_104_arg_1 [L414] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L415] SORT_3 var_105_arg_0 = state_56; [L416] SORT_3 var_105_arg_1 = var_14; [L417] SORT_1 var_105 = var_105_arg_0 >= var_105_arg_1; [L418] SORT_1 var_106_arg_0 = var_104; [L419] SORT_1 var_106_arg_1 = var_105; [L420] EXPR var_106_arg_0 | var_106_arg_1 [L420] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L421] SORT_1 var_107_arg_0 = var_60; [L422] SORT_1 var_107_arg_1 = var_11; [L423] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L424] SORT_1 var_108_arg_0 = var_106; [L425] SORT_1 var_108_arg_1 = var_107; [L426] EXPR var_108_arg_0 | var_108_arg_1 [L426] SORT_1 var_108 = var_108_arg_0 | var_108_arg_1; [L427] SORT_1 var_109_arg_0 = var_99; [L428] SORT_1 var_109_arg_1 = var_108; [L429] EXPR var_109_arg_0 & var_109_arg_1 [L429] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L430] SORT_3 var_110_arg_0 = state_64; [L431] SORT_3 var_110_arg_1 = var_14; [L432] SORT_1 var_110 = var_110_arg_0 >= var_110_arg_1; [L433] SORT_3 var_111_arg_0 = state_66; [L434] SORT_3 var_111_arg_1 = var_14; [L435] SORT_1 var_111 = var_111_arg_0 >= var_111_arg_1; [L436] SORT_1 var_112_arg_0 = var_110; [L437] SORT_1 var_112_arg_1 = var_111; [L438] EXPR var_112_arg_0 | var_112_arg_1 [L438] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L439] SORT_3 var_113_arg_0 = state_69; [L440] SORT_3 var_113_arg_1 = var_14; [L441] SORT_1 var_113 = var_113_arg_0 >= var_113_arg_1; [L442] SORT_1 var_114_arg_0 = var_112; [L443] SORT_1 var_114_arg_1 = var_113; [L444] EXPR var_114_arg_0 | var_114_arg_1 [L444] SORT_1 var_114 = var_114_arg_0 | var_114_arg_1; [L445] SORT_3 var_115_arg_0 = state_72; [L446] SORT_3 var_115_arg_1 = var_14; [L447] SORT_1 var_115 = var_115_arg_0 >= var_115_arg_1; [L448] SORT_1 var_116_arg_0 = var_114; [L449] SORT_1 var_116_arg_1 = var_115; [L450] EXPR var_116_arg_0 | var_116_arg_1 [L450] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L451] SORT_1 var_117_arg_0 = var_76; [L452] SORT_1 var_117_arg_1 = var_11; [L453] SORT_1 var_117 = var_117_arg_0 == var_117_arg_1; [L454] SORT_1 var_118_arg_0 = var_116; [L455] SORT_1 var_118_arg_1 = var_117; [L456] EXPR var_118_arg_0 | var_118_arg_1 [L456] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L457] SORT_1 var_119_arg_0 = var_109; [L458] SORT_1 var_119_arg_1 = var_118; [L459] EXPR var_119_arg_0 & var_119_arg_1 [L459] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L460] SORT_1 var_120_arg_0 = var_12; [L461] SORT_1 var_120_arg_1 = var_119; [L462] EXPR var_120_arg_0 | var_120_arg_1 [L462] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L463] SORT_1 var_123_arg_0 = var_120; [L464] SORT_1 var_123 = ~var_123_arg_0; [L465] SORT_1 var_124_arg_0 = var_29; [L466] SORT_1 var_124_arg_1 = var_123; [L467] EXPR var_124_arg_0 & var_124_arg_1 [L467] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L468] EXPR var_124 & mask_SORT_1 [L468] var_124 = var_124 & mask_SORT_1 [L469] SORT_1 bad_125_arg_0 = var_124; [L470] CALL __VERIFIER_assert(!(bad_125_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:20:11,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire --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 64bit --witnessprinter.graph.data.programhash 404ac2bd3423bef5ce605181ef24be34b1a7af016e0b24dd5c9fcdb327055474 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:14,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:14,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:20:14,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:14,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:14,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:14,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:14,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:14,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:14,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:14,683 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:14,684 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:14,684 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:14,686 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:14,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:14,687 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:14,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:14,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:14,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:14,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:14,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:14,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:14,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:14,692 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:14,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:14,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:14,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:14,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:14,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:14,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:14,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:14,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:14,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:14,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:14,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:14,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:14,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:14,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:14,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:14,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:14,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:14,700 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 404ac2bd3423bef5ce605181ef24be34b1a7af016e0b24dd5c9fcdb327055474 [2023-11-23 21:20:15,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:15,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:15,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:15,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:15,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:15,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:20:18,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:19,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:19,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:20:19,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/e803b61a4/f3bafe9275ee443090fcc29c3e8833a8/FLAG349d0c264 [2023-11-23 21:20:19,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/data/e803b61a4/f3bafe9275ee443090fcc29c3e8833a8 [2023-11-23 21:20:19,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:19,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:19,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:19,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:19,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:19,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:19" (1/1) ... [2023-11-23 21:20:19,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed31f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:19, skipping insertion in model container [2023-11-23 21:20:19,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:19" (1/1) ... [2023-11-23 21:20:19,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:19,381 WARN L240 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2023-11-23 21:20:19,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:19,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:19,946 WARN L240 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_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2023-11-23 21:20:20,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:20,221 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:20,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20 WrapperNode [2023-11-23 21:20:20,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:20,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:20,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:20,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,509 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2281 [2023-11-23 21:20:20,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:20,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:20,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:20,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:20,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:20,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:20,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:20,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:20,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:20,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:20:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:21,334 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:21,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:24,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:24,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:24,825 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:24,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:24 BoogieIcfgContainer [2023-11-23 21:20:24,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:24,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:24,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:24,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:24,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:19" (1/3) ... [2023-11-23 21:20:24,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd8b159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:24, skipping insertion in model container [2023-11-23 21:20:24,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (2/3) ... [2023-11-23 21:20:24,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd8b159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:24, skipping insertion in model container [2023-11-23 21:20:24,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:24" (3/3) ... [2023-11-23 21:20:24,836 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p3.c [2023-11-23 21:20:24,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:24,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:24,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:24,917 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@bb3aa1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:24,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-23 21:20:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:20:24,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:24,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:20:24,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:24,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:20:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:24,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006035991] [2023-11-23 21:20:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:24,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:20:24,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:24,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:20:24,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d11337-e8f7-4e9a-b884-5c7ed57ca79e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process