./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:31,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:31,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:31,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:31,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:31,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:31,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:31,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:31,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:31,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:31,923 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:31,924 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:31,924 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:31,925 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:31,926 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:31,927 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:31,928 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:31,928 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:31,929 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:31,930 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:31,931 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:31,937 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:31,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:31,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:31,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:31,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:31,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:31,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:31,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:31,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:31,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:31,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:31,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:31,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:31,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:31,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:31,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:31,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:31,949 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:31,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:31,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:31,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:31,951 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:31,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:31,953 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 [2023-11-23 21:32:32,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:32,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:32,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:32,372 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:32,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:32,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:32:35,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:36,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:36,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:32:36,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/64b5dcfd2/1d3dfe8081aa45e9b404e8e47d1b0ba7/FLAGd49e15354 [2023-11-23 21:32:36,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/64b5dcfd2/1d3dfe8081aa45e9b404e8e47d1b0ba7 [2023-11-23 21:32:36,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:36,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:36,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:36,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:36,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:36,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:36" (1/1) ... [2023-11-23 21:32:36,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149800ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:36, skipping insertion in model container [2023-11-23 21:32:36,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:36" (1/1) ... [2023-11-23 21:32:36,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:36,659 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2023-11-23 21:32:37,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:37,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:37,129 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2023-11-23 21:32:37,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:37,497 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:37,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37 WrapperNode [2023-11-23 21:32:37,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:37,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:37,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:37,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:37,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:37,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:37,918 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3112 [2023-11-23 21:32:37,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:37,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:37,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:37,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:37,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:37,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:38,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:38,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:38,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:38,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (1/1) ... [2023-11-23 21:32:38,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:38,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:38,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:38,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:39,056 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:39,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:41,988 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:47,635 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:47,636 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:47,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:47 BoogieIcfgContainer [2023-11-23 21:32:47,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:47,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:47,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:47,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:47,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:36" (1/3) ... [2023-11-23 21:32:47,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bb190c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:47, skipping insertion in model container [2023-11-23 21:32:47,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:37" (2/3) ... [2023-11-23 21:32:47,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bb190c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:47, skipping insertion in model container [2023-11-23 21:32:47,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:47" (3/3) ... [2023-11-23 21:32:47,651 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:32:47,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:47,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:47,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:47,728 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;@3b1e3026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:47,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:47,732 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 21:32:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:32:47,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:47,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:32:47,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:47,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash 94818609, now seen corresponding path program 1 times [2023-11-23 21:32:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:47,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937637649] [2023-11-23 21:32:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:53,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:58,688 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:58,690 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:58,692 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:58,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:58,700 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:58,705 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:58,785 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:32:58,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:58 BoogieIcfgContainer [2023-11-23 21:32:58,807 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:58,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:58,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:58,809 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:58,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:47" (3/4) ... [2023-11-23 21:32:58,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:58,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:58,815 INFO L158 Benchmark]: Toolchain (without parser) took 22565.80ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 137.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 424.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,815 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 138.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:58,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1248.30ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 139.6MB in the end (delta: -2.5MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 419.67ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 76.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,818 INFO L158 Benchmark]: Boogie Preprocessor took 601.53ms. Allocated memory is still 184.5MB. Free memory was 76.7MB in the beginning and 102.4MB in the end (delta: -25.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,819 INFO L158 Benchmark]: RCFGBuilder took 9115.57ms. Allocated memory was 184.5MB in the beginning and 809.5MB in the end (delta: 625.0MB). Free memory was 102.4MB in the beginning and 464.8MB in the end (delta: -362.4MB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,820 INFO L158 Benchmark]: TraceAbstraction took 11165.67ms. Allocated memory was 809.5MB in the beginning and 1.6GB in the end (delta: 809.5MB). Free memory was 464.8MB in the beginning and 1.1GB in the end (delta: -685.1MB). Peak memory consumption was 224.0MB. Max. memory is 16.1GB. [2023-11-23 21:32:58,820 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 1.6GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:58,825 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 138.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1248.30ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 139.6MB in the end (delta: -2.5MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 419.67ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 76.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 601.53ms. Allocated memory is still 184.5MB. Free memory was 76.7MB in the beginning and 102.4MB in the end (delta: -25.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * RCFGBuilder took 9115.57ms. Allocated memory was 184.5MB in the beginning and 809.5MB in the end (delta: 625.0MB). Free memory was 102.4MB in the beginning and 464.8MB in the end (delta: -362.4MB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11165.67ms. Allocated memory was 809.5MB in the beginning and 1.6GB in the end (delta: 809.5MB). Free memory was 464.8MB in the beginning and 1.1GB in the end (delta: -685.1MB). Peak memory consumption was 224.0MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 1.6GB. Free memory is still 1.1GB. 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 177, overapproximation of bitwiseAnd at line 150. 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 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 2); [L39] const SORT_23 msb_SORT_23 = (SORT_23)1 << (2 - 1); [L41] const SORT_181 mask_SORT_181 = (SORT_181)-1 >> (sizeof(SORT_181) * 8 - 4); [L42] const SORT_181 msb_SORT_181 = (SORT_181)1 << (4 - 1); [L44] const SORT_229 mask_SORT_229 = (SORT_229)-1 >> (sizeof(SORT_229) * 8 - 32); [L45] const SORT_229 msb_SORT_229 = (SORT_229)1 << (32 - 1); [L47] const SORT_5 var_7 = 0; [L48] const SORT_10 var_12 = 3; [L49] const SORT_10 var_17 = 0; [L50] const SORT_1 var_21 = 1; [L51] const SORT_23 var_25 = 0; [L52] const SORT_23 var_28 = 3; [L53] const SORT_3 var_33 = 0; [L54] const SORT_1 var_37 = 0; [L55] const SORT_10 var_142 = 2; [L56] const SORT_10 var_146 = 1; [L57] const SORT_10 var_151 = 4; [L58] const SORT_10 var_153 = 5; [L59] const SORT_10 var_197 = 7; [L60] const SORT_10 var_202 = 6; [L61] const SORT_229 var_231 = 0; [L62] const SORT_3 var_246 = 2; [L63] const SORT_3 var_268 = 31; [L65] SORT_1 input_2; [L66] SORT_3 input_4; [L67] SORT_5 input_6; [L68] SORT_3 input_257; [L69] SORT_3 input_258; [L70] SORT_3 input_259; [L71] SORT_3 input_267; [L72] SORT_3 input_277; [L73] SORT_3 input_278; [L74] SORT_3 input_279; [L75] SORT_3 input_282; [L76] SORT_3 input_301; [L77] SORT_3 input_302; [L78] SORT_3 input_303; [L79] SORT_3 input_306; [L80] SORT_3 input_308; [L81] SORT_23 input_322; [L82] SORT_23 input_323; [L83] SORT_23 input_324; [L85] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L85] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L86] SORT_10 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L97] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] SORT_5 init_9_arg_1 = var_7; [L100] state_8 = init_9_arg_1 [L101] SORT_10 init_19_arg_1 = var_17; [L102] state_18 = init_19_arg_1 [L103] SORT_3 init_35_arg_1 = var_33; [L104] state_34 = init_35_arg_1 [L105] SORT_3 init_40_arg_1 = var_33; [L106] state_39 = init_40_arg_1 [L107] SORT_3 init_46_arg_1 = var_33; [L108] state_45 = init_46_arg_1 [L109] SORT_1 init_127_arg_1 = var_37; [L110] state_126 = init_127_arg_1 [L111] SORT_3 init_129_arg_1 = var_33; [L112] state_128 = init_129_arg_1 [L113] SORT_3 init_131_arg_1 = var_33; [L114] state_130 = init_131_arg_1 [L115] SORT_3 init_133_arg_1 = var_33; [L116] state_132 = init_133_arg_1 [L117] SORT_3 init_135_arg_1 = var_33; [L118] state_134 = init_135_arg_1 [L119] SORT_3 init_137_arg_1 = var_33; [L120] state_136 = init_137_arg_1 [L121] SORT_3 init_139_arg_1 = var_33; [L122] state_138 = init_139_arg_1 [L123] SORT_3 init_141_arg_1 = var_33; [L124] state_140 = init_141_arg_1 VAL [init_127_arg_1=0, init_129_arg_1=0, init_131_arg_1=0, init_133_arg_1=0, init_135_arg_1=0, init_137_arg_1=0, init_139_arg_1=0, init_141_arg_1=0, init_19_arg_1=0, init_35_arg_1=0, init_40_arg_1=0, init_46_arg_1=0, init_9_arg_1=0, mask_SORT_10=7, mask_SORT_181=15, mask_SORT_1=1, mask_SORT_229=4294967295, mask_SORT_23=3, mask_SORT_3=31, mask_SORT_5=4095, msb_SORT_10=4, msb_SORT_181=8, msb_SORT_1=1, msb_SORT_229=2147483648, msb_SORT_23=2, msb_SORT_3=16, msb_SORT_5=2048, state_126=0, state_128=0, state_130=0, state_132=0, state_134=0, state_136=0, state_138=0, state_140=0, state_18=0, state_34=0, state_39=0, state_45=0, state_8=0, var_12=3, var_142=2, var_146=1, var_151=4, var_153=5, var_17=0, var_197=7, var_202=6, var_21=1, var_231=0, var_246=2, var_25=0, var_268=31, var_28=3, var_33=0, var_37=0, var_7=0] [L127] input_2 = __VERIFIER_nondet_uchar() [L128] input_4 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_ushort() [L130] input_257 = __VERIFIER_nondet_uchar() [L131] input_258 = __VERIFIER_nondet_uchar() [L132] input_259 = __VERIFIER_nondet_uchar() [L133] input_267 = __VERIFIER_nondet_uchar() [L134] input_277 = __VERIFIER_nondet_uchar() [L135] input_278 = __VERIFIER_nondet_uchar() [L136] input_279 = __VERIFIER_nondet_uchar() [L137] input_282 = __VERIFIER_nondet_uchar() [L138] input_301 = __VERIFIER_nondet_uchar() [L139] input_302 = __VERIFIER_nondet_uchar() [L140] input_303 = __VERIFIER_nondet_uchar() [L141] input_306 = __VERIFIER_nondet_uchar() [L142] input_308 = __VERIFIER_nondet_uchar() [L143] input_322 = __VERIFIER_nondet_uchar() [L144] input_323 = __VERIFIER_nondet_uchar() [L145] input_324 = __VERIFIER_nondet_uchar() [L148] SORT_5 var_11_arg_0 = state_8; [L149] SORT_10 var_11 = var_11_arg_0 >> 9; [L150] EXPR var_11 & mask_SORT_10 [L150] var_11 = var_11 & mask_SORT_10 [L151] SORT_10 var_13_arg_0 = var_11; [L152] SORT_10 var_13_arg_1 = var_12; [L153] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L154] SORT_5 var_14_arg_0 = state_8; [L155] SORT_10 var_14 = var_14_arg_0 >> 0; [L156] EXPR var_14 & mask_SORT_10 [L156] var_14 = var_14 & mask_SORT_10 [L157] SORT_10 var_15_arg_0 = var_14; [L158] SORT_10 var_15_arg_1 = var_12; [L159] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L160] SORT_1 var_16_arg_0 = var_13; [L161] SORT_1 var_16_arg_1 = var_15; [L162] EXPR var_16_arg_0 & var_16_arg_1 [L162] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L163] SORT_10 var_20_arg_0 = state_18; [L164] SORT_1 var_20 = var_20_arg_0 >> 2; [L165] EXPR var_20 & mask_SORT_1 [L165] var_20 = var_20 & mask_SORT_1 [L166] SORT_1 var_22_arg_0 = var_20; [L167] SORT_1 var_22_arg_1 = var_21; [L168] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L169] SORT_10 var_24_arg_0 = state_18; [L170] SORT_23 var_24 = var_24_arg_0 >> 0; [L171] EXPR var_24 & mask_SORT_23 [L171] var_24 = var_24 & mask_SORT_23 [L172] SORT_23 var_26_arg_0 = var_24; [L173] SORT_23 var_26_arg_1 = var_25; [L174] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L175] SORT_1 var_27_arg_0 = var_22; [L176] SORT_1 var_27_arg_1 = var_26; [L177] EXPR var_27_arg_0 | var_27_arg_1 [L177] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L178] SORT_23 var_29_arg_0 = var_24; [L179] SORT_23 var_29_arg_1 = var_28; [L180] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L181] SORT_1 var_30_arg_0 = var_27; [L182] SORT_1 var_30_arg_1 = var_29; [L183] EXPR var_30_arg_0 | var_30_arg_1 [L183] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L184] SORT_1 var_31_arg_0 = var_16; [L185] SORT_1 var_31_arg_1 = var_30; [L186] EXPR var_31_arg_0 & var_31_arg_1 [L186] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L187] SORT_1 var_32_arg_0 = var_31; [L188] SORT_1 var_32 = ~var_32_arg_0; [L189] SORT_3 var_36_arg_0 = state_34; [L190] SORT_1 var_36 = var_36_arg_0 >> 4; [L191] EXPR var_36 & mask_SORT_1 [L191] var_36 = var_36 & mask_SORT_1 [L192] SORT_1 var_38_arg_0 = var_36; [L193] SORT_1 var_38_arg_1 = var_37; [L194] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L195] SORT_3 var_41_arg_0 = state_39; [L196] SORT_1 var_41 = var_41_arg_0 >> 4; [L197] EXPR var_41 & mask_SORT_1 [L197] var_41 = var_41 & mask_SORT_1 [L198] SORT_1 var_42_arg_0 = var_41; [L199] SORT_1 var_42_arg_1 = var_37; [L200] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L201] SORT_1 var_43_arg_0 = var_38; [L202] SORT_1 var_43_arg_1 = var_42; [L203] EXPR var_43_arg_0 & var_43_arg_1 [L203] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L204] SORT_1 var_44_arg_0 = var_43; [L205] SORT_1 var_44 = ~var_44_arg_0; [L206] SORT_3 var_47_arg_0 = state_45; [L207] SORT_1 var_47 = var_47_arg_0 >> 4; [L208] EXPR var_47 & mask_SORT_1 [L208] var_47 = var_47 & mask_SORT_1 [L209] SORT_1 var_48_arg_0 = var_47; [L210] SORT_1 var_48_arg_1 = var_37; [L211] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L212] SORT_1 var_49_arg_0 = var_44; [L213] SORT_1 var_49_arg_1 = var_48; [L214] EXPR var_49_arg_0 | var_49_arg_1 [L214] SORT_1 var_49 = var_49_arg_0 | var_49_arg_1; [L215] SORT_1 var_50_arg_0 = var_47; [L216] SORT_1 var_50_arg_1 = var_21; [L217] SORT_1 var_50 = var_50_arg_0 == var_50_arg_1; [L218] SORT_1 var_51_arg_0 = var_36; [L219] SORT_1 var_51_arg_1 = var_37; [L220] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L221] SORT_1 var_52_arg_0 = var_41; [L222] SORT_1 var_52_arg_1 = var_37; [L223] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L224] SORT_1 var_53_arg_0 = var_51; [L225] SORT_1 var_53_arg_1 = var_52; [L226] EXPR var_53_arg_0 & var_53_arg_1 [L226] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L227] SORT_1 var_54_arg_0 = var_50; [L228] SORT_1 var_54_arg_1 = var_53; [L229] EXPR var_54_arg_0 | var_54_arg_1 [L229] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L230] SORT_1 var_55_arg_0 = var_49; [L231] SORT_1 var_55_arg_1 = var_54; [L232] EXPR var_55_arg_0 & var_55_arg_1 [L232] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L233] SORT_3 var_56_arg_0 = state_34; [L234] SORT_1 var_56 = var_56_arg_0 >> 3; [L235] EXPR var_56 & mask_SORT_1 [L235] var_56 = var_56 & mask_SORT_1 [L236] SORT_1 var_57_arg_0 = var_56; [L237] SORT_1 var_57_arg_1 = var_37; [L238] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L239] SORT_3 var_58_arg_0 = state_39; [L240] SORT_1 var_58 = var_58_arg_0 >> 3; [L241] EXPR var_58 & mask_SORT_1 [L241] var_58 = var_58 & mask_SORT_1 [L242] SORT_1 var_59_arg_0 = var_58; [L243] SORT_1 var_59_arg_1 = var_37; [L244] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L245] SORT_1 var_60_arg_0 = var_57; [L246] SORT_1 var_60_arg_1 = var_59; [L247] EXPR var_60_arg_0 & var_60_arg_1 [L247] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L248] SORT_1 var_61_arg_0 = var_60; [L249] SORT_1 var_61 = ~var_61_arg_0; [L250] SORT_3 var_62_arg_0 = state_45; [L251] SORT_1 var_62 = var_62_arg_0 >> 3; [L252] EXPR var_62 & mask_SORT_1 [L252] var_62 = var_62 & mask_SORT_1 [L253] SORT_1 var_63_arg_0 = var_62; [L254] SORT_1 var_63_arg_1 = var_37; [L255] SORT_1 var_63 = var_63_arg_0 == var_63_arg_1; [L256] SORT_1 var_64_arg_0 = var_61; [L257] SORT_1 var_64_arg_1 = var_63; [L258] EXPR var_64_arg_0 | var_64_arg_1 [L258] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L259] SORT_1 var_65_arg_0 = var_55; [L260] SORT_1 var_65_arg_1 = var_64; [L261] EXPR var_65_arg_0 & var_65_arg_1 [L261] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L262] SORT_1 var_66_arg_0 = var_62; [L263] SORT_1 var_66_arg_1 = var_21; [L264] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L265] SORT_1 var_67_arg_0 = var_56; [L266] SORT_1 var_67_arg_1 = var_37; [L267] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L268] SORT_1 var_68_arg_0 = var_58; [L269] SORT_1 var_68_arg_1 = var_37; [L270] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L271] SORT_1 var_69_arg_0 = var_67; [L272] SORT_1 var_69_arg_1 = var_68; [L273] EXPR var_69_arg_0 & var_69_arg_1 [L273] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L274] SORT_1 var_70_arg_0 = var_66; [L275] SORT_1 var_70_arg_1 = var_69; [L276] EXPR var_70_arg_0 | var_70_arg_1 [L276] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L277] SORT_1 var_71_arg_0 = var_65; [L278] SORT_1 var_71_arg_1 = var_70; [L279] EXPR var_71_arg_0 & var_71_arg_1 [L279] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L280] SORT_3 var_72_arg_0 = state_34; [L281] SORT_1 var_72 = var_72_arg_0 >> 2; [L282] EXPR var_72 & mask_SORT_1 [L282] var_72 = var_72 & mask_SORT_1 [L283] SORT_1 var_73_arg_0 = var_72; [L284] SORT_1 var_73_arg_1 = var_37; [L285] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L286] SORT_3 var_74_arg_0 = state_39; [L287] SORT_1 var_74 = var_74_arg_0 >> 2; [L288] EXPR var_74 & mask_SORT_1 [L288] var_74 = var_74 & mask_SORT_1 [L289] SORT_1 var_75_arg_0 = var_74; [L290] SORT_1 var_75_arg_1 = var_37; [L291] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L292] SORT_1 var_76_arg_0 = var_73; [L293] SORT_1 var_76_arg_1 = var_75; [L294] EXPR var_76_arg_0 & var_76_arg_1 [L294] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L295] SORT_1 var_77_arg_0 = var_76; [L296] SORT_1 var_77 = ~var_77_arg_0; [L297] SORT_3 var_78_arg_0 = state_45; [L298] SORT_1 var_78 = var_78_arg_0 >> 2; [L299] EXPR var_78 & mask_SORT_1 [L299] var_78 = var_78 & mask_SORT_1 [L300] SORT_1 var_79_arg_0 = var_78; [L301] SORT_1 var_79_arg_1 = var_37; [L302] SORT_1 var_79 = var_79_arg_0 == var_79_arg_1; [L303] SORT_1 var_80_arg_0 = var_77; [L304] SORT_1 var_80_arg_1 = var_79; [L305] EXPR var_80_arg_0 | var_80_arg_1 [L305] SORT_1 var_80 = var_80_arg_0 | var_80_arg_1; [L306] SORT_1 var_81_arg_0 = var_71; [L307] SORT_1 var_81_arg_1 = var_80; [L308] EXPR var_81_arg_0 & var_81_arg_1 [L308] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L309] SORT_1 var_82_arg_0 = var_78; [L310] SORT_1 var_82_arg_1 = var_21; [L311] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L312] SORT_1 var_83_arg_0 = var_72; [L313] SORT_1 var_83_arg_1 = var_37; [L314] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L315] SORT_1 var_84_arg_0 = var_74; [L316] SORT_1 var_84_arg_1 = var_37; [L317] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L318] SORT_1 var_85_arg_0 = var_83; [L319] SORT_1 var_85_arg_1 = var_84; [L320] EXPR var_85_arg_0 & var_85_arg_1 [L320] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L321] SORT_1 var_86_arg_0 = var_82; [L322] SORT_1 var_86_arg_1 = var_85; [L323] EXPR var_86_arg_0 | var_86_arg_1 [L323] SORT_1 var_86 = var_86_arg_0 | var_86_arg_1; [L324] SORT_1 var_87_arg_0 = var_81; [L325] SORT_1 var_87_arg_1 = var_86; [L326] EXPR var_87_arg_0 & var_87_arg_1 [L326] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L327] SORT_3 var_88_arg_0 = state_34; [L328] SORT_1 var_88 = var_88_arg_0 >> 1; [L329] EXPR var_88 & mask_SORT_1 [L329] var_88 = var_88 & mask_SORT_1 [L330] SORT_1 var_89_arg_0 = var_88; [L331] SORT_1 var_89_arg_1 = var_37; [L332] SORT_1 var_89 = var_89_arg_0 == var_89_arg_1; [L333] SORT_3 var_90_arg_0 = state_39; [L334] SORT_1 var_90 = var_90_arg_0 >> 1; [L335] EXPR var_90 & mask_SORT_1 [L335] var_90 = var_90 & mask_SORT_1 [L336] SORT_1 var_91_arg_0 = var_90; [L337] SORT_1 var_91_arg_1 = var_37; [L338] SORT_1 var_91 = var_91_arg_0 == var_91_arg_1; [L339] SORT_1 var_92_arg_0 = var_89; [L340] SORT_1 var_92_arg_1 = var_91; [L341] EXPR var_92_arg_0 & var_92_arg_1 [L341] SORT_1 var_92 = var_92_arg_0 & var_92_arg_1; [L342] SORT_1 var_93_arg_0 = var_92; [L343] SORT_1 var_93 = ~var_93_arg_0; [L344] SORT_3 var_94_arg_0 = state_45; [L345] SORT_1 var_94 = var_94_arg_0 >> 1; [L346] EXPR var_94 & mask_SORT_1 [L346] var_94 = var_94 & mask_SORT_1 [L347] SORT_1 var_95_arg_0 = var_94; [L348] SORT_1 var_95_arg_1 = var_37; [L349] SORT_1 var_95 = var_95_arg_0 == var_95_arg_1; [L350] SORT_1 var_96_arg_0 = var_93; [L351] SORT_1 var_96_arg_1 = var_95; [L352] EXPR var_96_arg_0 | var_96_arg_1 [L352] SORT_1 var_96 = var_96_arg_0 | var_96_arg_1; [L353] SORT_1 var_97_arg_0 = var_87; [L354] SORT_1 var_97_arg_1 = var_96; [L355] EXPR var_97_arg_0 & var_97_arg_1 [L355] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L356] SORT_1 var_98_arg_0 = var_94; [L357] SORT_1 var_98_arg_1 = var_21; [L358] SORT_1 var_98 = var_98_arg_0 == var_98_arg_1; [L359] SORT_1 var_99_arg_0 = var_88; [L360] SORT_1 var_99_arg_1 = var_37; [L361] SORT_1 var_99 = var_99_arg_0 == var_99_arg_1; [L362] SORT_1 var_100_arg_0 = var_90; [L363] SORT_1 var_100_arg_1 = var_37; [L364] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L365] SORT_1 var_101_arg_0 = var_99; [L366] SORT_1 var_101_arg_1 = var_100; [L367] EXPR var_101_arg_0 & var_101_arg_1 [L367] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L368] SORT_1 var_102_arg_0 = var_98; [L369] SORT_1 var_102_arg_1 = var_101; [L370] EXPR var_102_arg_0 | var_102_arg_1 [L370] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L371] SORT_1 var_103_arg_0 = var_97; [L372] SORT_1 var_103_arg_1 = var_102; [L373] EXPR var_103_arg_0 & var_103_arg_1 [L373] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L374] SORT_3 var_104_arg_0 = state_34; [L375] SORT_1 var_104 = var_104_arg_0 >> 0; [L376] EXPR var_104 & mask_SORT_1 [L376] var_104 = var_104 & mask_SORT_1 [L377] SORT_1 var_105_arg_0 = var_104; [L378] SORT_1 var_105_arg_1 = var_37; [L379] SORT_1 var_105 = var_105_arg_0 == var_105_arg_1; [L380] SORT_3 var_106_arg_0 = state_39; [L381] SORT_1 var_106 = var_106_arg_0 >> 0; [L382] EXPR var_106 & mask_SORT_1 [L382] var_106 = var_106 & mask_SORT_1 [L383] SORT_1 var_107_arg_0 = var_106; [L384] SORT_1 var_107_arg_1 = var_37; [L385] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L386] SORT_1 var_108_arg_0 = var_105; [L387] SORT_1 var_108_arg_1 = var_107; [L388] EXPR var_108_arg_0 & var_108_arg_1 [L388] SORT_1 var_108 = var_108_arg_0 & var_108_arg_1; [L389] SORT_1 var_109_arg_0 = var_108; [L390] SORT_1 var_109 = ~var_109_arg_0; [L391] SORT_3 var_110_arg_0 = state_45; [L392] SORT_1 var_110 = var_110_arg_0 >> 0; [L393] EXPR var_110 & mask_SORT_1 [L393] var_110 = var_110 & mask_SORT_1 [L394] SORT_1 var_111_arg_0 = var_110; [L395] SORT_1 var_111_arg_1 = var_37; [L396] SORT_1 var_111 = var_111_arg_0 == var_111_arg_1; [L397] SORT_1 var_112_arg_0 = var_109; [L398] SORT_1 var_112_arg_1 = var_111; [L399] EXPR var_112_arg_0 | var_112_arg_1 [L399] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L400] SORT_1 var_113_arg_0 = var_103; [L401] SORT_1 var_113_arg_1 = var_112; [L402] EXPR var_113_arg_0 & var_113_arg_1 [L402] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L403] SORT_1 var_114_arg_0 = var_110; [L404] SORT_1 var_114_arg_1 = var_21; [L405] SORT_1 var_114 = var_114_arg_0 == var_114_arg_1; [L406] SORT_1 var_115_arg_0 = var_104; [L407] SORT_1 var_115_arg_1 = var_37; [L408] SORT_1 var_115 = var_115_arg_0 == var_115_arg_1; [L409] SORT_1 var_116_arg_0 = var_106; [L410] SORT_1 var_116_arg_1 = var_37; [L411] SORT_1 var_116 = var_116_arg_0 == var_116_arg_1; [L412] SORT_1 var_117_arg_0 = var_115; [L413] SORT_1 var_117_arg_1 = var_116; [L414] EXPR var_117_arg_0 & var_117_arg_1 [L414] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L415] SORT_1 var_118_arg_0 = var_114; [L416] SORT_1 var_118_arg_1 = var_117; [L417] EXPR var_118_arg_0 | var_118_arg_1 [L417] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L418] SORT_1 var_119_arg_0 = var_113; [L419] SORT_1 var_119_arg_1 = var_118; [L420] EXPR var_119_arg_0 & var_119_arg_1 [L420] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L421] SORT_1 var_120_arg_0 = var_32; [L422] SORT_1 var_120_arg_1 = var_119; [L423] EXPR var_120_arg_0 | var_120_arg_1 [L423] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L424] SORT_1 var_123_arg_0 = var_120; [L425] SORT_1 var_123 = ~var_123_arg_0; [L426] SORT_1 var_124_arg_0 = var_21; [L427] SORT_1 var_124_arg_1 = var_123; [L428] EXPR var_124_arg_0 & var_124_arg_1 [L428] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L429] EXPR var_124 & mask_SORT_1 [L429] var_124 = var_124 & mask_SORT_1 [L430] SORT_1 bad_125_arg_0 = var_124; [L431] 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: 11.0s, 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: 0.0s SsaConstructionTime, 5.8s 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 21:32:58,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:33:01,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:33:02,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:33:02,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:33:02,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:33:02,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:33:02,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:33:02,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:33:02,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:33:02,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:33:02,068 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:33:02,068 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:33:02,069 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:33:02,070 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:33:02,070 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:33:02,071 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:33:02,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:33:02,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:33:02,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:33:02,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:33:02,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:33:02,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:33:02,076 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:33:02,076 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:33:02,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:33:02,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:33:02,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:33:02,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:33:02,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:33:02,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:33:02,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:33:02,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:33:02,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:33:02,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:33:02,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:33:02,082 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:33:02,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:33:02,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:33:02,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:33:02,084 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:33:02,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:33:02,085 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 [2023-11-23 21:33:02,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:33:02,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:33:02,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:33:02,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:33:02,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:33:02,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:33:06,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:33:06,779 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:33:06,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:33:06,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/946bb87cb/c2294a23e0af45c4849c62a33bfb5741/FLAG395d16c96 [2023-11-23 21:33:06,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/data/946bb87cb/c2294a23e0af45c4849c62a33bfb5741 [2023-11-23 21:33:06,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:33:06,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:33:06,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:33:06,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:33:06,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:33:06,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:33:06" (1/1) ... [2023-11-23 21:33:06,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1747ba9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:06, skipping insertion in model container [2023-11-23 21:33:06,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:33:06" (1/1) ... [2023-11-23 21:33:06,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:33:07,303 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2023-11-23 21:33:07,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:33:07,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:33:07,799 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_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2023-11-23 21:33:07,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:33:07,959 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:33:07,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07 WrapperNode [2023-11-23 21:33:07,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:33:07,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:33:07,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:33:07,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:33:07,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,181 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1328 [2023-11-23 21:33:08,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:33:08,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:33:08,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:33:08,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:33:08,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:33:08,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:33:08,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:33:08,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:33:08,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (1/1) ... [2023-11-23 21:33:08,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:33:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:33:08,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:33:08,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:33:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:33:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:33:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:33:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:33:08,982 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:33:08,985 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:33:11,102 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:33:11,245 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:33:11,245 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:33:11,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:11 BoogieIcfgContainer [2023-11-23 21:33:11,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:33:11,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:33:11,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:33:11,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:33:11,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:33:06" (1/3) ... [2023-11-23 21:33:11,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bab21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:11, skipping insertion in model container [2023-11-23 21:33:11,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:07" (2/3) ... [2023-11-23 21:33:11,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bab21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:11, skipping insertion in model container [2023-11-23 21:33:11,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:11" (3/3) ... [2023-11-23 21:33:11,265 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p10.c [2023-11-23 21:33:11,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:33:11,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:33:11,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:33:11,367 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;@71ed79c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:33:11,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:33:11,374 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 21:33:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:33:11,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:11,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:33:11,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:11,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:11,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:33:11,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:11,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042700667] [2023-11-23 21:33:11,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:11,422 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 21:33:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:11,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 21:33:11,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 [2023-11-23 21:33:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:12,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:33:12,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:33:12,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:33:12,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:33:12,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042700667] [2023-11-23 21:33:12,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042700667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:12,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:33:12,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:33:12,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061747356] [2023-11-23 21:33:12,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:12,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:33:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:33:12,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:33:12,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:33:12,629 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:33:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:12,920 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-23 21:33:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:33:12,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-23 21:33:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:12,931 INFO L225 Difference]: With dead ends: 16 [2023-11-23 21:33:12,932 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 21:33:12,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:33:12,940 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:12,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:33:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 21:33:12,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-23 21:33:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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 21:33:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 21:33:12,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-23 21:33:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:33:12,974 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-23 21:33:12,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:33:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 21:33:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:33:12,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:12,975 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-23 21:33:12,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:33:13,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 [2023-11-23 21:33:13,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:13,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:13,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-23 21:33:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:13,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381607622] [2023-11-23 21:33:13,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:13,184 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 21:33:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:13,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 21:33:13,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6bfa2dc-8a4b-469e-b2e1-0b552d9fa29f/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 (3)] Waiting until timeout for monitored process [2023-11-23 21:33:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:17,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 21:33:17,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:33:18,256 INFO L327 TraceCheckSpWp]: Computing backward predicates...