./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:04:33,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:04:33,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:04:33,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:04:33,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:04:33,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:04:33,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:04:33,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:04:33,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:04:33,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:04:33,347 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:04:33,347 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:04:33,348 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:04:33,348 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:04:33,351 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:04:33,352 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:04:33,352 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:04:33,352 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:04:33,353 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:04:33,353 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:04:33,353 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:04:33,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:04:33,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:04:33,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:04:33,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:04:33,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:04:33,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:04:33,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:04:33,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:04:33,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:04:33,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:04:33,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:04:33,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:04:33,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:04:33,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:04:33,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:04:33,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:04:33,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:04:33,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:04:33,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:04:33,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:04:33,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:04:33,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:04:33,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:04:33,381 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_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa [2024-11-09 07:04:33,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:04:33,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:04:33,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:04:33,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:04:33,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:04:33,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c Unable to find full path for "g++" [2024-11-09 07:04:36,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:04:36,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:04:36,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-09 07:04:36,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/e338181f9/17297f8c42db466d8310f0239d6d361a/FLAG19fdc3e6a [2024-11-09 07:04:36,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/e338181f9/17297f8c42db466d8310f0239d6d361a [2024-11-09 07:04:36,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:04:36,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:04:36,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:04:36,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:04:36,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:04:36,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:04:36" (1/1) ... [2024-11-09 07:04:36,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b14b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:36, skipping insertion in model container [2024-11-09 07:04:36,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:04:36" (1/1) ... [2024-11-09 07:04:36,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:04:37,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-09 07:04:37,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:04:37,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:04:37,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-09 07:04:37,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:04:37,526 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:04:37,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37 WrapperNode [2024-11-09 07:04:37,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:04:37,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:04:37,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:04:37,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:04:37,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,824 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1384 [2024-11-09 07:04:37,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:04:37,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:04:37,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:04:37,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:04:37,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:37,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:38,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:38,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:38,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:04:38,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:04:38,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:04:38,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:04:38,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (1/1) ... [2024-11-09 07:04:38,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:04:38,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:04:38,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:04:38,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:04:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:04:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:04:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:04:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:04:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:04:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:04:38,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:04:38,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:04:40,394 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-09 07:04:40,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:04:42,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:04:42,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:04:42,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:04:42 BoogieIcfgContainer [2024-11-09 07:04:42,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:04:42,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:04:42,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:04:42,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:04:42,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:04:36" (1/3) ... [2024-11-09 07:04:42,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebf73b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:04:42, skipping insertion in model container [2024-11-09 07:04:42,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:37" (2/3) ... [2024-11-09 07:04:42,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebf73b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:04:42, skipping insertion in model container [2024-11-09 07:04:42,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:04:42" (3/3) ... [2024-11-09 07:04:42,548 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-09 07:04:42,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:04:42,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:04:42,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:04:42,675 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6341ed74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:04:42,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:04:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:04:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 07:04:42,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:42,693 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:42,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:42,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2143558049, now seen corresponding path program 1 times [2024-11-09 07:04:42,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:04:42,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973220379] [2024-11-09 07:04:42,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:42,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:04:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 07:04:46,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:04:46,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973220379] [2024-11-09 07:04:46,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973220379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:46,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:04:46,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:04:46,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304502359] [2024-11-09 07:04:46,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:46,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:04:46,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:04:47,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:04:47,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:04:47,011 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 07:04:48,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:49,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:49,699 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2024-11-09 07:04:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:04:49,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2024-11-09 07:04:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:49,711 INFO L225 Difference]: With dead ends: 36 [2024-11-09 07:04:49,712 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 07:04:49,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:04:49,719 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:49,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 07:04:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 07:04:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 07:04:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 07:04:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-09 07:04:49,769 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2024-11-09 07:04:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:49,771 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 07:04:49,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 07:04:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-09 07:04:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 07:04:49,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:49,775 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 07:04:49,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:04:49,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:49,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash -958507370, now seen corresponding path program 1 times [2024-11-09 07:04:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:04:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726456125] [2024-11-09 07:04:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:04:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:04:53,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:04:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:04:58,499 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:04:58,499 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:04:58,501 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:04:58,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:04:58,508 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:04:58,605 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 07:04:58,606 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 07:04:58,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:04:58,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:04:58 BoogieIcfgContainer [2024-11-09 07:04:58,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:04:58,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:04:58,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:04:58,673 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:04:58,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:04:42" (3/4) ... [2024-11-09 07:04:58,677 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:04:58,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:04:58,681 INFO L158 Benchmark]: Toolchain (without parser) took 21876.26ms. Allocated memory was 148.9MB in the beginning and 553.6MB in the end (delta: 404.8MB). Free memory was 105.1MB in the beginning and 394.7MB in the end (delta: -289.6MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,682 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 148.9MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:04:58,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.80ms. Allocated memory is still 148.9MB. Free memory was 104.6MB in the beginning and 73.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.54ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 73.0MB in the beginning and 153.7MB in the end (delta: -80.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,686 INFO L158 Benchmark]: Boogie Preprocessor took 210.49ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 142.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,690 INFO L158 Benchmark]: RCFGBuilder took 4496.01ms. Allocated memory was 203.4MB in the beginning and 281.0MB in the end (delta: 77.6MB). Free memory was 142.2MB in the beginning and 111.0MB in the end (delta: 31.2MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,691 INFO L158 Benchmark]: TraceAbstraction took 16134.16ms. Allocated memory was 281.0MB in the beginning and 553.6MB in the end (delta: 272.6MB). Free memory was 110.0MB in the beginning and 395.7MB in the end (delta: -285.8MB). Peak memory consumption was 240.6MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,692 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 553.6MB. Free memory was 395.7MB in the beginning and 394.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:04:58,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 148.9MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.80ms. Allocated memory is still 148.9MB. Free memory was 104.6MB in the beginning and 73.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.54ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 73.0MB in the beginning and 153.7MB in the end (delta: -80.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.49ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 142.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4496.01ms. Allocated memory was 203.4MB in the beginning and 281.0MB in the end (delta: 77.6MB). Free memory was 142.2MB in the beginning and 111.0MB in the end (delta: 31.2MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16134.16ms. Allocated memory was 281.0MB in the beginning and 553.6MB in the end (delta: 272.6MB). Free memory was 110.0MB in the beginning and 395.7MB in the end (delta: -285.8MB). Peak memory consumption was 240.6MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 553.6MB. Free memory was 395.7MB in the beginning and 394.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 290, overapproximation of bitwiseAnd at line 158. 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 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 5); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (5 - 1); [L35] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L36] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L38] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 3); [L39] const SORT_19 msb_SORT_19 = (SORT_19)1 << (3 - 1); [L41] const SORT_40 mask_SORT_40 = (SORT_40)-1 >> (sizeof(SORT_40) * 8 - 2); [L42] const SORT_40 msb_SORT_40 = (SORT_40)1 << (2 - 1); [L44] const SORT_13 var_15 = 8; [L45] const SORT_19 var_20 = 7; [L46] const SORT_19 var_25 = 6; [L47] const SORT_19 var_30 = 5; [L48] const SORT_19 var_35 = 4; [L49] const SORT_40 var_41 = 3; [L50] const SORT_40 var_46 = 2; [L51] const SORT_1 var_51 = 1; [L52] const SORT_13 var_64 = 9; [L53] const SORT_11 var_81 = 0; [L54] const SORT_1 var_111 = 0; [L55] const SORT_3 var_268 = 0; [L57] SORT_1 input_2; [L58] SORT_3 input_4; [L59] SORT_1 input_5; [L60] SORT_1 input_6; [L61] SORT_1 input_7; [L62] SORT_1 input_8; [L63] SORT_3 input_9; [L64] SORT_1 input_109; [L66] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_uint() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L67] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L68] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L68] SORT_3 state_18 = __VERIFIER_nondet_uint() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L69] SORT_3 state_24 = __VERIFIER_nondet_uint() & mask_SORT_3; [L70] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L70] SORT_3 state_29 = __VERIFIER_nondet_uint() & mask_SORT_3; [L71] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L71] SORT_3 state_34 = __VERIFIER_nondet_uint() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L72] SORT_3 state_39 = __VERIFIER_nondet_uint() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L73] SORT_3 state_45 = __VERIFIER_nondet_uint() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L74] SORT_3 state_50 = __VERIFIER_nondet_uint() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L75] SORT_3 state_55 = __VERIFIER_nondet_uint() & mask_SORT_3; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L76] SORT_11 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L79] SORT_11 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L80] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L80] SORT_3 state_87 = __VERIFIER_nondet_uint() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_11 [L82] SORT_11 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L84] SORT_1 init_92_arg_1 = var_51; [L85] state_91 = init_92_arg_1 VAL [mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uint() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_uint() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=251, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=251, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=251, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=252, input_6=251, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=0, state_68=0, state_69=0, state_72=31, state_87=0, state_91=1, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND FALSE !(!(cond)) [L302] RET __VERIFIER_assert(!(bad_115_arg_0)) [L304] SORT_11 var_137_arg_0 = state_136; [L305] SORT_13 var_137 = var_137_arg_0 >> 0; [L306] EXPR var_137 & mask_SORT_13 [L306] var_137 = var_137 & mask_SORT_13 [L307] SORT_13 var_194_arg_0 = var_137; [L308] SORT_13 var_194_arg_1 = var_15; [L309] SORT_1 var_194 = var_194_arg_0 == var_194_arg_1; [L310] SORT_1 var_195_arg_0 = input_6; [L311] SORT_1 var_195_arg_1 = var_194; [L312] EXPR var_195_arg_0 & var_195_arg_1 [L312] SORT_1 var_195 = var_195_arg_0 & var_195_arg_1; [L313] EXPR var_195 & mask_SORT_1 [L313] var_195 = var_195 & mask_SORT_1 [L314] SORT_1 var_267_arg_0 = var_195; [L315] SORT_3 var_267_arg_1 = input_4; [L316] SORT_3 var_267_arg_2 = state_10; [L317] SORT_3 var_267 = var_267_arg_0 ? var_267_arg_1 : var_267_arg_2; [L318] SORT_1 var_269_arg_0 = input_7; [L319] SORT_3 var_269_arg_1 = var_268; [L320] SORT_3 var_269_arg_2 = var_267; [L321] SORT_3 var_269 = var_269_arg_0 ? var_269_arg_1 : var_269_arg_2; [L322] SORT_3 next_270_arg_1 = var_269; [L323] SORT_1 var_119_arg_0 = input_6; [L324] SORT_1 var_119_arg_1 = input_5; [L325] EXPR var_119_arg_0 | var_119_arg_1 [L325] SORT_1 var_119 = var_119_arg_0 | var_119_arg_1; [L326] SORT_1 var_120_arg_0 = var_119; [L327] SORT_1 var_120_arg_1 = input_7; [L328] EXPR var_120_arg_0 | var_120_arg_1 [L328] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L329] EXPR var_120 & mask_SORT_1 [L329] var_120 = var_120 & mask_SORT_1 [L330] SORT_1 var_198_arg_0 = input_5; [L331] EXPR var_198_arg_0 & mask_SORT_1 [L331] var_198_arg_0 = var_198_arg_0 & mask_SORT_1 [L332] SORT_11 var_198 = var_198_arg_0; [L333] SORT_11 var_199_arg_0 = state_12; [L334] SORT_11 var_199_arg_1 = var_198; [L335] SORT_11 var_199 = var_199_arg_0 + var_199_arg_1; [L336] SORT_1 var_271_arg_0 = var_120; [L337] SORT_11 var_271_arg_1 = var_199; [L338] SORT_11 var_271_arg_2 = state_12; [L339] SORT_11 var_271 = var_271_arg_0 ? var_271_arg_1 : var_271_arg_2; [L340] SORT_1 var_272_arg_0 = input_7; [L341] SORT_11 var_272_arg_1 = var_81; [L342] SORT_11 var_272_arg_2 = var_271; [L343] SORT_11 var_272 = var_272_arg_0 ? var_272_arg_1 : var_272_arg_2; [L344] SORT_11 next_273_arg_1 = var_272; [L345] SORT_19 var_187_arg_0 = var_20; [L346] EXPR var_187_arg_0 & mask_SORT_19 [L346] var_187_arg_0 = var_187_arg_0 & mask_SORT_19 [L347] SORT_13 var_187 = var_187_arg_0; [L348] SORT_13 var_188_arg_0 = var_137; [L349] SORT_13 var_188_arg_1 = var_187; [L350] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L351] SORT_1 var_189_arg_0 = input_6; [L352] SORT_1 var_189_arg_1 = var_188; [L353] EXPR var_189_arg_0 & var_189_arg_1 [L353] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L354] EXPR var_189 & mask_SORT_1 [L354] var_189 = var_189 & mask_SORT_1 [L355] SORT_1 var_274_arg_0 = var_189; [L356] SORT_3 var_274_arg_1 = input_4; [L357] SORT_3 var_274_arg_2 = state_18; [L358] SORT_3 var_274 = var_274_arg_0 ? var_274_arg_1 : var_274_arg_2; [L359] SORT_1 var_275_arg_0 = input_7; [L360] SORT_3 var_275_arg_1 = var_268; [L361] SORT_3 var_275_arg_2 = var_274; [L362] SORT_3 var_275 = var_275_arg_0 ? var_275_arg_1 : var_275_arg_2; [L363] SORT_3 next_276_arg_1 = var_275; [L364] SORT_19 var_180_arg_0 = var_25; [L365] EXPR var_180_arg_0 & mask_SORT_19 [L365] var_180_arg_0 = var_180_arg_0 & mask_SORT_19 [L366] SORT_13 var_180 = var_180_arg_0; [L367] SORT_13 var_181_arg_0 = var_137; [L368] SORT_13 var_181_arg_1 = var_180; [L369] SORT_1 var_181 = var_181_arg_0 == var_181_arg_1; [L370] SORT_1 var_182_arg_0 = input_6; [L371] SORT_1 var_182_arg_1 = var_181; [L372] EXPR var_182_arg_0 & var_182_arg_1 [L372] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L373] EXPR var_182 & mask_SORT_1 [L373] var_182 = var_182 & mask_SORT_1 [L374] SORT_1 var_277_arg_0 = var_182; [L375] SORT_3 var_277_arg_1 = input_4; [L376] SORT_3 var_277_arg_2 = state_24; [L377] SORT_3 var_277 = var_277_arg_0 ? var_277_arg_1 : var_277_arg_2; [L378] SORT_1 var_278_arg_0 = input_7; [L379] SORT_3 var_278_arg_1 = var_268; [L380] SORT_3 var_278_arg_2 = var_277; [L381] SORT_3 var_278 = var_278_arg_0 ? var_278_arg_1 : var_278_arg_2; [L382] SORT_3 next_279_arg_1 = var_278; [L383] SORT_19 var_173_arg_0 = var_30; [L384] EXPR var_173_arg_0 & mask_SORT_19 [L384] var_173_arg_0 = var_173_arg_0 & mask_SORT_19 [L385] SORT_13 var_173 = var_173_arg_0; [L386] SORT_13 var_174_arg_0 = var_137; [L387] SORT_13 var_174_arg_1 = var_173; [L388] SORT_1 var_174 = var_174_arg_0 == var_174_arg_1; [L389] SORT_1 var_175_arg_0 = input_6; [L390] SORT_1 var_175_arg_1 = var_174; [L391] EXPR var_175_arg_0 & var_175_arg_1 [L391] SORT_1 var_175 = var_175_arg_0 & var_175_arg_1; [L392] EXPR var_175 & mask_SORT_1 [L392] var_175 = var_175 & mask_SORT_1 [L393] SORT_1 var_280_arg_0 = var_175; [L394] SORT_3 var_280_arg_1 = input_4; [L395] SORT_3 var_280_arg_2 = state_29; [L396] SORT_3 var_280 = var_280_arg_0 ? var_280_arg_1 : var_280_arg_2; [L397] SORT_1 var_281_arg_0 = input_7; [L398] SORT_3 var_281_arg_1 = var_268; [L399] SORT_3 var_281_arg_2 = var_280; [L400] SORT_3 var_281 = var_281_arg_0 ? var_281_arg_1 : var_281_arg_2; [L401] SORT_3 next_282_arg_1 = var_281; [L402] SORT_19 var_166_arg_0 = var_35; [L403] EXPR var_166_arg_0 & mask_SORT_19 [L403] var_166_arg_0 = var_166_arg_0 & mask_SORT_19 [L404] SORT_13 var_166 = var_166_arg_0; [L405] SORT_13 var_167_arg_0 = var_137; [L406] SORT_13 var_167_arg_1 = var_166; [L407] SORT_1 var_167 = var_167_arg_0 == var_167_arg_1; [L408] SORT_1 var_168_arg_0 = input_6; [L409] SORT_1 var_168_arg_1 = var_167; [L410] EXPR var_168_arg_0 & var_168_arg_1 [L410] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L411] EXPR var_168 & mask_SORT_1 [L411] var_168 = var_168 & mask_SORT_1 [L412] SORT_1 var_283_arg_0 = var_168; [L413] SORT_3 var_283_arg_1 = input_4; [L414] SORT_3 var_283_arg_2 = state_34; [L415] SORT_3 var_283 = var_283_arg_0 ? var_283_arg_1 : var_283_arg_2; [L416] SORT_1 var_284_arg_0 = input_7; [L417] SORT_3 var_284_arg_1 = var_268; [L418] SORT_3 var_284_arg_2 = var_283; [L419] SORT_3 var_284 = var_284_arg_0 ? var_284_arg_1 : var_284_arg_2; [L420] SORT_3 next_285_arg_1 = var_284; [L421] SORT_40 var_159_arg_0 = var_41; [L422] EXPR var_159_arg_0 & mask_SORT_40 [L422] var_159_arg_0 = var_159_arg_0 & mask_SORT_40 [L423] SORT_13 var_159 = var_159_arg_0; [L424] SORT_13 var_160_arg_0 = var_137; [L425] SORT_13 var_160_arg_1 = var_159; [L426] SORT_1 var_160 = var_160_arg_0 == var_160_arg_1; [L427] SORT_1 var_161_arg_0 = input_6; [L428] SORT_1 var_161_arg_1 = var_160; [L429] EXPR var_161_arg_0 & var_161_arg_1 [L429] SORT_1 var_161 = var_161_arg_0 & var_161_arg_1; [L430] EXPR var_161 & mask_SORT_1 [L430] var_161 = var_161 & mask_SORT_1 [L431] SORT_1 var_286_arg_0 = var_161; [L432] SORT_3 var_286_arg_1 = input_4; [L433] SORT_3 var_286_arg_2 = state_39; [L434] SORT_3 var_286 = var_286_arg_0 ? var_286_arg_1 : var_286_arg_2; [L435] SORT_1 var_287_arg_0 = input_7; [L436] SORT_3 var_287_arg_1 = var_268; [L437] SORT_3 var_287_arg_2 = var_286; [L438] SORT_3 var_287 = var_287_arg_0 ? var_287_arg_1 : var_287_arg_2; [L439] SORT_3 next_288_arg_1 = var_287; [L440] SORT_40 var_152_arg_0 = var_46; [L441] EXPR var_152_arg_0 & mask_SORT_40 [L441] var_152_arg_0 = var_152_arg_0 & mask_SORT_40 [L442] SORT_13 var_152 = var_152_arg_0; [L443] SORT_13 var_153_arg_0 = var_137; [L444] SORT_13 var_153_arg_1 = var_152; [L445] SORT_1 var_153 = var_153_arg_0 == var_153_arg_1; [L446] SORT_1 var_154_arg_0 = input_6; [L447] SORT_1 var_154_arg_1 = var_153; [L448] EXPR var_154_arg_0 & var_154_arg_1 [L448] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L449] EXPR var_154 & mask_SORT_1 [L449] var_154 = var_154 & mask_SORT_1 [L450] SORT_1 var_289_arg_0 = var_154; [L451] SORT_3 var_289_arg_1 = input_4; [L452] SORT_3 var_289_arg_2 = state_45; [L453] SORT_3 var_289 = var_289_arg_0 ? var_289_arg_1 : var_289_arg_2; [L454] SORT_1 var_290_arg_0 = input_7; [L455] SORT_3 var_290_arg_1 = var_268; [L456] SORT_3 var_290_arg_2 = var_289; [L457] SORT_3 var_290 = var_290_arg_0 ? var_290_arg_1 : var_290_arg_2; [L458] SORT_3 next_291_arg_1 = var_290; [L459] SORT_1 var_145_arg_0 = var_51; [L460] EXPR var_145_arg_0 & mask_SORT_1 [L460] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L461] SORT_13 var_145 = var_145_arg_0; [L462] SORT_13 var_146_arg_0 = var_137; [L463] SORT_13 var_146_arg_1 = var_145; [L464] SORT_1 var_146 = var_146_arg_0 == var_146_arg_1; [L465] SORT_1 var_147_arg_0 = input_6; [L466] SORT_1 var_147_arg_1 = var_146; [L467] EXPR var_147_arg_0 & var_147_arg_1 [L467] SORT_1 var_147 = var_147_arg_0 & var_147_arg_1; [L468] EXPR var_147 & mask_SORT_1 [L468] var_147 = var_147 & mask_SORT_1 [L469] SORT_1 var_292_arg_0 = var_147; [L470] SORT_3 var_292_arg_1 = input_4; [L471] SORT_3 var_292_arg_2 = state_50; [L472] SORT_3 var_292 = var_292_arg_0 ? var_292_arg_1 : var_292_arg_2; [L473] SORT_1 var_293_arg_0 = input_7; [L474] SORT_3 var_293_arg_1 = var_268; [L475] SORT_3 var_293_arg_2 = var_292; [L476] SORT_3 var_293 = var_293_arg_0 ? var_293_arg_1 : var_293_arg_2; [L477] SORT_3 next_294_arg_1 = var_293; [L478] SORT_13 var_138_arg_0 = var_137; [L479] SORT_1 var_138 = var_138_arg_0 != 0; [L480] SORT_1 var_139_arg_0 = var_138; [L481] SORT_1 var_139 = ~var_139_arg_0; [L482] SORT_1 var_140_arg_0 = input_6; [L483] SORT_1 var_140_arg_1 = var_139; [L484] EXPR var_140_arg_0 & var_140_arg_1 [L484] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L485] EXPR var_140 & mask_SORT_1 [L485] var_140 = var_140 & mask_SORT_1 [L486] SORT_1 var_295_arg_0 = var_140; [L487] SORT_3 var_295_arg_1 = input_4; [L488] SORT_3 var_295_arg_2 = state_55; [L489] SORT_3 var_295 = var_295_arg_0 ? var_295_arg_1 : var_295_arg_2; [L490] SORT_1 var_296_arg_0 = input_7; [L491] SORT_3 var_296_arg_1 = var_268; [L492] SORT_3 var_296_arg_2 = var_295; [L493] SORT_3 var_296 = var_296_arg_0 ? var_296_arg_1 : var_296_arg_2; [L494] SORT_3 next_297_arg_1 = var_296; [L495] SORT_1 var_298_arg_0 = input_6; [L496] EXPR var_298_arg_0 & mask_SORT_1 [L496] var_298_arg_0 = var_298_arg_0 & mask_SORT_1 [L497] SORT_11 var_298 = var_298_arg_0; [L498] SORT_11 var_299_arg_0 = state_60; [L499] SORT_11 var_299_arg_1 = var_298; [L500] SORT_11 var_299 = var_299_arg_0 + var_299_arg_1; [L501] SORT_1 var_300_arg_0 = input_5; [L502] EXPR var_300_arg_0 & mask_SORT_1 [L502] var_300_arg_0 = var_300_arg_0 & mask_SORT_1 [L503] SORT_11 var_300 = var_300_arg_0; [L504] SORT_11 var_301_arg_0 = var_299; [L505] SORT_11 var_301_arg_1 = var_300; [L506] SORT_11 var_301 = var_301_arg_0 - var_301_arg_1; [L507] SORT_1 var_302_arg_0 = input_7; [L508] SORT_11 var_302_arg_1 = var_81; [L509] SORT_11 var_302_arg_2 = var_301; [L510] SORT_11 var_302 = var_302_arg_0 ? var_302_arg_1 : var_302_arg_2; [L511] EXPR var_302 & mask_SORT_11 [L511] var_302 = var_302 & mask_SORT_11 [L512] SORT_11 next_303_arg_1 = var_302; [L513] SORT_1 var_228_arg_0 = state_68; [L514] SORT_1 var_228 = ~var_228_arg_0; [L515] EXPR var_228 & mask_SORT_1 [L515] var_228 = var_228 & mask_SORT_1 [L516] SORT_1 var_224_arg_0 = input_8; [L517] SORT_1 var_224_arg_1 = input_6; [L518] EXPR var_224_arg_0 & var_224_arg_1 [L518] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L519] SORT_1 var_225_arg_0 = state_68; [L520] SORT_1 var_225_arg_1 = var_224; [L521] EXPR var_225_arg_0 | var_225_arg_1 [L521] SORT_1 var_225 = var_225_arg_0 | var_225_arg_1; [L522] SORT_1 var_304_arg_0 = var_228; [L523] SORT_1 var_304_arg_1 = var_225; [L524] SORT_1 var_304_arg_2 = state_68; [L525] SORT_1 var_304 = var_304_arg_0 ? var_304_arg_1 : var_304_arg_2; [L526] SORT_1 var_305_arg_0 = input_7; [L527] SORT_1 var_305_arg_1 = var_111; [L528] SORT_1 var_305_arg_2 = var_304; [L529] SORT_1 var_305 = var_305_arg_0 ? var_305_arg_1 : var_305_arg_2; [L530] SORT_1 next_306_arg_1 = var_305; [L531] SORT_1 var_236_arg_0 = var_85; [L532] SORT_1 var_236_arg_1 = state_69; [L533] EXPR var_236_arg_0 | var_236_arg_1 [L533] SORT_1 var_236 = var_236_arg_0 | var_236_arg_1; [L534] SORT_1 var_307_arg_0 = var_51; [L535] SORT_1 var_307_arg_1 = var_236; [L536] SORT_1 var_307_arg_2 = state_69; [L537] SORT_1 var_307 = var_307_arg_0 ? var_307_arg_1 : var_307_arg_2; [L538] SORT_1 var_308_arg_0 = input_7; [L539] SORT_1 var_308_arg_1 = var_111; [L540] SORT_1 var_308_arg_2 = var_307; [L541] SORT_1 var_308 = var_308_arg_0 ? var_308_arg_1 : var_308_arg_2; [L542] SORT_1 next_309_arg_1 = var_308; [L543] SORT_1 var_248_arg_0 = input_6; [L544] SORT_1 var_248_arg_1 = input_5; [L545] EXPR var_248_arg_0 | var_248_arg_1 [L545] SORT_1 var_248 = var_248_arg_0 | var_248_arg_1; [L546] SORT_1 var_249_arg_0 = var_248; [L547] SORT_1 var_249_arg_1 = input_7; [L548] EXPR var_249_arg_0 | var_249_arg_1 [L548] SORT_1 var_249 = var_249_arg_0 | var_249_arg_1; [L549] SORT_1 var_250_arg_0 = var_249; [L550] SORT_1 var_250_arg_1 = state_68; [L551] EXPR var_250_arg_0 | var_250_arg_1 [L551] SORT_1 var_250 = var_250_arg_0 | var_250_arg_1; [L552] EXPR var_250 & mask_SORT_1 [L552] var_250 = var_250 & mask_SORT_1 [L553] SORT_1 var_310_arg_0 = var_250; [L554] SORT_11 var_310_arg_1 = var_82; [L555] SORT_11 var_310_arg_2 = state_72; [L556] SORT_11 var_310 = var_310_arg_0 ? var_310_arg_1 : var_310_arg_2; [L557] SORT_1 var_311_arg_0 = input_7; [L558] SORT_11 var_311_arg_1 = var_81; [L559] SORT_11 var_311_arg_2 = var_310; [L560] SORT_11 var_311 = var_311_arg_0 ? var_311_arg_1 : var_311_arg_2; [L561] EXPR var_311 & mask_SORT_11 [L561] var_311 = var_311 & mask_SORT_11 [L562] SORT_11 next_312_arg_1 = var_311; [L563] SORT_1 var_233_arg_0 = var_224; [L564] SORT_1 var_233_arg_1 = var_228; [L565] EXPR var_233_arg_0 & var_233_arg_1 [L565] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L566] EXPR var_233 & mask_SORT_1 [L566] var_233 = var_233 & mask_SORT_1 [L567] SORT_1 var_313_arg_0 = var_233; [L568] SORT_3 var_313_arg_1 = input_4; [L569] SORT_3 var_313_arg_2 = state_87; [L570] SORT_3 var_313 = var_313_arg_0 ? var_313_arg_1 : var_313_arg_2; [L571] SORT_1 var_314_arg_0 = input_7; [L572] SORT_3 var_314_arg_1 = var_268; [L573] SORT_3 var_314_arg_2 = var_313; [L574] SORT_3 var_314 = var_314_arg_0 ? var_314_arg_1 : var_314_arg_2; [L575] EXPR var_314 & mask_SORT_3 [L575] var_314 = var_314 & mask_SORT_3 [L576] SORT_3 next_315_arg_1 = var_314; [L577] SORT_1 next_316_arg_1 = var_111; [L578] SORT_1 var_204_arg_0 = input_6; [L579] EXPR var_204_arg_0 & mask_SORT_1 [L579] var_204_arg_0 = var_204_arg_0 & mask_SORT_1 [L580] SORT_11 var_204 = var_204_arg_0; [L581] SORT_11 var_205_arg_0 = state_136; [L582] SORT_11 var_205_arg_1 = var_204; [L583] SORT_11 var_205 = var_205_arg_0 + var_205_arg_1; [L584] SORT_1 var_317_arg_0 = var_120; [L585] SORT_11 var_317_arg_1 = var_205; [L586] SORT_11 var_317_arg_2 = state_136; [L587] SORT_11 var_317 = var_317_arg_0 ? var_317_arg_1 : var_317_arg_2; [L588] SORT_1 var_318_arg_0 = input_7; [L589] SORT_11 var_318_arg_1 = var_81; [L590] SORT_11 var_318_arg_2 = var_317; [L591] SORT_11 var_318 = var_318_arg_0 ? var_318_arg_1 : var_318_arg_2; [L592] SORT_11 next_319_arg_1 = var_318; [L594] state_10 = next_270_arg_1 [L595] state_12 = next_273_arg_1 [L596] state_18 = next_276_arg_1 [L597] state_24 = next_279_arg_1 [L598] state_29 = next_282_arg_1 [L599] state_34 = next_285_arg_1 [L600] state_39 = next_288_arg_1 [L601] state_45 = next_291_arg_1 [L602] state_50 = next_294_arg_1 [L603] state_55 = next_297_arg_1 [L604] state_60 = next_303_arg_1 [L605] state_68 = next_306_arg_1 [L606] state_69 = next_309_arg_1 [L607] state_72 = next_312_arg_1 [L608] state_87 = next_315_arg_1 [L609] state_91 = next_316_arg_1 [L610] state_136 = next_319_arg_1 [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uint() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_1 [L93] input_7 = input_7 & mask_SORT_1 [L94] input_8 = __VERIFIER_nondet_uchar() [L95] input_9 = __VERIFIER_nondet_uint() [L96] input_109 = __VERIFIER_nondet_uchar() [L98] SORT_1 var_93_arg_0 = input_7; [L99] SORT_1 var_93_arg_1 = state_91; [L100] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L101] SORT_1 var_94_arg_0 = var_51; [L102] SORT_1 var_94 = ~var_94_arg_0; [L103] SORT_1 var_95_arg_0 = var_93; [L104] SORT_1 var_95_arg_1 = var_94; [L105] EXPR var_95_arg_0 | var_95_arg_1 [L105] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L106] EXPR var_95 & mask_SORT_1 [L106] var_95 = var_95 & mask_SORT_1 [L107] SORT_1 constr_96_arg_0 = var_95; VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L108] CALL assume_abort_if_not(constr_96_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L108] RET assume_abort_if_not(constr_96_arg_0) VAL [constr_96_arg_0=1, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L109] SORT_13 var_65_arg_0 = var_64; [L110] EXPR var_65_arg_0 & mask_SORT_13 [L110] var_65_arg_0 = var_65_arg_0 & mask_SORT_13 [L111] SORT_11 var_65 = var_65_arg_0; [L112] SORT_11 var_66_arg_0 = state_60; [L113] SORT_11 var_66_arg_1 = var_65; [L114] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L115] SORT_1 var_97_arg_0 = var_66; [L116] SORT_1 var_97 = ~var_97_arg_0; [L117] SORT_1 var_98_arg_0 = input_6; [L118] SORT_1 var_98 = ~var_98_arg_0; [L119] SORT_1 var_99_arg_0 = var_97; [L120] SORT_1 var_99_arg_1 = var_98; [L121] EXPR var_99_arg_0 | var_99_arg_1 [L121] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L122] SORT_1 var_100_arg_0 = var_51; [L123] SORT_1 var_100 = ~var_100_arg_0; [L124] SORT_1 var_101_arg_0 = var_99; [L125] SORT_1 var_101_arg_1 = var_100; [L126] EXPR var_101_arg_0 | var_101_arg_1 [L126] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L127] EXPR var_101 & mask_SORT_1 [L127] var_101 = var_101 & mask_SORT_1 [L128] SORT_1 constr_102_arg_0 = var_101; VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-252, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L129] CALL assume_abort_if_not(constr_102_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L129] RET assume_abort_if_not(constr_102_arg_0) VAL [constr_102_arg_0=1, constr_96_arg_0=1, input_6=-252, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L130] SORT_11 var_61_arg_0 = state_60; [L131] SORT_1 var_61 = var_61_arg_0 != 0; [L132] SORT_1 var_62_arg_0 = var_61; [L133] SORT_1 var_62 = ~var_62_arg_0; [L134] SORT_1 var_103_arg_0 = var_62; [L135] SORT_1 var_103 = ~var_103_arg_0; [L136] SORT_1 var_104_arg_0 = input_5; [L137] SORT_1 var_104 = ~var_104_arg_0; [L138] SORT_1 var_105_arg_0 = var_103; [L139] SORT_1 var_105_arg_1 = var_104; [L140] EXPR var_105_arg_0 | var_105_arg_1 [L140] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L141] SORT_1 var_106_arg_0 = var_51; [L142] SORT_1 var_106 = ~var_106_arg_0; [L143] SORT_1 var_107_arg_0 = var_105; [L144] SORT_1 var_107_arg_1 = var_106; [L145] EXPR var_107_arg_0 | var_107_arg_1 [L145] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L146] EXPR var_107 & mask_SORT_1 [L146] var_107 = var_107 & mask_SORT_1 [L147] SORT_1 constr_108_arg_0 = var_107; VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=1, input_6=-252, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L148] CALL assume_abort_if_not(constr_108_arg_0) VAL [\old(cond)=1] [L22] COND FALSE !(!cond) [L148] RET assume_abort_if_not(constr_108_arg_0) VAL [constr_102_arg_0=1, constr_108_arg_0=1, constr_96_arg_0=1, input_5=1, input_6=-252, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_40=3, state_10=4294967295, state_12=8, state_136=31, state_18=0, state_24=0, state_29=0, state_34=0, state_39=4294967295, state_45=0, state_50=0, state_55=4294967297, state_60=5, state_68=251, state_69=0, state_72=31, state_87=0, state_91=0, var_111=0, var_15=8, var_20=7, var_25=6, var_268=0, var_30=5, var_35=4, var_41=3, var_46=2, var_51=1, var_64=9, var_81=0] [L150] SORT_1 var_112_arg_0 = state_91; [L151] SORT_1 var_112_arg_1 = var_111; [L152] SORT_1 var_112_arg_2 = var_51; [L153] SORT_1 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L154] SORT_1 var_70_arg_0 = state_69; [L155] SORT_1 var_70 = ~var_70_arg_0; [L156] SORT_1 var_71_arg_0 = state_68; [L157] SORT_1 var_71_arg_1 = var_70; [L158] EXPR var_71_arg_0 & var_71_arg_1 [L158] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L159] SORT_11 var_73_arg_0 = state_72; [L160] SORT_1 var_73 = var_73_arg_0 != 0; [L161] SORT_1 var_74_arg_0 = var_71; [L162] SORT_1 var_74_arg_1 = var_73; [L163] EXPR var_74_arg_0 & var_74_arg_1 [L163] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L164] SORT_1 var_75_arg_0 = state_68; [L165] SORT_1 var_75 = ~var_75_arg_0; [L166] SORT_1 var_76_arg_0 = input_6; [L167] SORT_1 var_76_arg_1 = var_75; [L168] EXPR var_76_arg_0 & var_76_arg_1 [L168] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L169] SORT_1 var_77_arg_0 = var_76; [L170] EXPR var_77_arg_0 & mask_SORT_1 [L170] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L171] SORT_11 var_77 = var_77_arg_0; [L172] SORT_11 var_78_arg_0 = state_72; [L173] SORT_11 var_78_arg_1 = var_77; [L174] SORT_11 var_78 = var_78_arg_0 + var_78_arg_1; [L175] SORT_1 var_79_arg_0 = input_5; [L176] EXPR var_79_arg_0 & mask_SORT_1 [L176] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L177] SORT_11 var_79 = var_79_arg_0; [L178] SORT_11 var_80_arg_0 = var_78; [L179] SORT_11 var_80_arg_1 = var_79; [L180] SORT_11 var_80 = var_80_arg_0 - var_80_arg_1; [L181] SORT_1 var_82_arg_0 = input_7; [L182] SORT_11 var_82_arg_1 = var_81; [L183] SORT_11 var_82_arg_2 = var_80; [L184] SORT_11 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L185] EXPR var_82 & mask_SORT_11 [L185] var_82 = var_82 & mask_SORT_11 [L186] SORT_11 var_83_arg_0 = var_82; [L187] SORT_1 var_83 = var_83_arg_0 != 0; [L188] SORT_1 var_84_arg_0 = var_83; [L189] SORT_1 var_84 = ~var_84_arg_0; [L190] SORT_1 var_85_arg_0 = var_74; [L191] SORT_1 var_85_arg_1 = var_84; [L192] EXPR var_85_arg_0 & var_85_arg_1 [L192] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L193] SORT_1 var_86_arg_0 = var_85; [L194] SORT_1 var_86 = ~var_86_arg_0; [L195] SORT_11 var_14_arg_0 = state_12; [L196] SORT_13 var_14 = var_14_arg_0 >> 0; [L197] EXPR var_14 & mask_SORT_13 [L197] var_14 = var_14 & mask_SORT_13 [L198] SORT_13 var_56_arg_0 = var_14; [L199] SORT_1 var_56 = var_56_arg_0 != 0; [L200] SORT_1 var_57_arg_0 = var_56; [L201] SORT_1 var_57 = ~var_57_arg_0; [L202] EXPR var_57 & mask_SORT_1 [L202] var_57 = var_57 & mask_SORT_1 [L203] SORT_1 var_52_arg_0 = var_51; [L204] EXPR var_52_arg_0 & mask_SORT_1 [L204] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L205] SORT_13 var_52 = var_52_arg_0; [L206] SORT_13 var_53_arg_0 = var_14; [L207] SORT_13 var_53_arg_1 = var_52; [L208] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L209] SORT_40 var_47_arg_0 = var_46; [L210] EXPR var_47_arg_0 & mask_SORT_40 [L210] var_47_arg_0 = var_47_arg_0 & mask_SORT_40 [L211] SORT_13 var_47 = var_47_arg_0; [L212] SORT_13 var_48_arg_0 = var_14; [L213] SORT_13 var_48_arg_1 = var_47; [L214] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L215] SORT_40 var_42_arg_0 = var_41; [L216] EXPR var_42_arg_0 & mask_SORT_40 [L216] var_42_arg_0 = var_42_arg_0 & mask_SORT_40 [L217] SORT_13 var_42 = var_42_arg_0; [L218] SORT_13 var_43_arg_0 = var_14; [L219] SORT_13 var_43_arg_1 = var_42; [L220] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L221] SORT_19 var_36_arg_0 = var_35; [L222] EXPR var_36_arg_0 & mask_SORT_19 [L222] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L223] SORT_13 var_36 = var_36_arg_0; [L224] SORT_13 var_37_arg_0 = var_14; [L225] SORT_13 var_37_arg_1 = var_36; [L226] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L227] SORT_19 var_31_arg_0 = var_30; [L228] EXPR var_31_arg_0 & mask_SORT_19 [L228] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L229] SORT_13 var_31 = var_31_arg_0; [L230] SORT_13 var_32_arg_0 = var_14; [L231] SORT_13 var_32_arg_1 = var_31; [L232] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L233] SORT_19 var_26_arg_0 = var_25; [L234] EXPR var_26_arg_0 & mask_SORT_19 [L234] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L235] SORT_13 var_26 = var_26_arg_0; [L236] SORT_13 var_27_arg_0 = var_14; [L237] SORT_13 var_27_arg_1 = var_26; [L238] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L239] SORT_19 var_21_arg_0 = var_20; [L240] EXPR var_21_arg_0 & mask_SORT_19 [L240] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L241] SORT_13 var_21 = var_21_arg_0; [L242] SORT_13 var_22_arg_0 = var_14; [L243] SORT_13 var_22_arg_1 = var_21; [L244] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L245] SORT_13 var_16_arg_0 = var_14; [L246] SORT_13 var_16_arg_1 = var_15; [L247] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L248] SORT_1 var_17_arg_0 = var_16; [L249] SORT_3 var_17_arg_1 = state_10; [L250] SORT_3 var_17_arg_2 = input_9; [L251] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L252] SORT_1 var_23_arg_0 = var_22; [L253] SORT_3 var_23_arg_1 = state_18; [L254] SORT_3 var_23_arg_2 = var_17; [L255] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L256] SORT_1 var_28_arg_0 = var_27; [L257] SORT_3 var_28_arg_1 = state_24; [L258] SORT_3 var_28_arg_2 = var_23; [L259] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L260] SORT_1 var_33_arg_0 = var_32; [L261] SORT_3 var_33_arg_1 = state_29; [L262] SORT_3 var_33_arg_2 = var_28; [L263] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L264] SORT_1 var_38_arg_0 = var_37; [L265] SORT_3 var_38_arg_1 = state_34; [L266] SORT_3 var_38_arg_2 = var_33; [L267] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L268] SORT_1 var_44_arg_0 = var_43; [L269] SORT_3 var_44_arg_1 = state_39; [L270] SORT_3 var_44_arg_2 = var_38; [L271] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L272] SORT_1 var_49_arg_0 = var_48; [L273] SORT_3 var_49_arg_1 = state_45; [L274] SORT_3 var_49_arg_2 = var_44; [L275] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L276] SORT_1 var_54_arg_0 = var_53; [L277] SORT_3 var_54_arg_1 = state_50; [L278] SORT_3 var_54_arg_2 = var_49; [L279] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L280] SORT_1 var_58_arg_0 = var_57; [L281] SORT_3 var_58_arg_1 = state_55; [L282] SORT_3 var_58_arg_2 = var_54; [L283] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L284] EXPR var_58 & mask_SORT_3 [L284] var_58 = var_58 & mask_SORT_3 [L285] SORT_3 var_88_arg_0 = state_87; [L286] SORT_3 var_88_arg_1 = var_58; [L287] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L288] SORT_1 var_89_arg_0 = var_86; [L289] SORT_1 var_89_arg_1 = var_88; [L290] EXPR var_89_arg_0 | var_89_arg_1 [L290] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L291] SORT_1 var_110_arg_0 = state_91; [L292] SORT_1 var_110_arg_1 = input_109; [L293] SORT_1 var_110_arg_2 = var_89; [L294] SORT_1 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L295] SORT_1 var_113_arg_0 = var_110; [L296] SORT_1 var_113 = ~var_113_arg_0; [L297] SORT_1 var_114_arg_0 = var_112; [L298] SORT_1 var_114_arg_1 = var_113; [L299] EXPR var_114_arg_0 & var_114_arg_1 [L299] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L300] EXPR var_114 & mask_SORT_1 [L300] var_114 = var_114 & mask_SORT_1 [L301] SORT_1 bad_115_arg_0 = var_114; [L302] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 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 [2024-11-09 07:04:58,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:05:01,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:05:01,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 07:05:01,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:05:01,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:05:01,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:05:01,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:05:01,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:05:01,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:05:01,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:05:01,864 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:05:01,864 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:05:01,865 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:05:01,865 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:05:01,866 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:05:01,869 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:05:01,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:05:01,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:05:01,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:05:01,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:05:01,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:05:01,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:05:01,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:05:01,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:05:01,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:05:01,878 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:05:01,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:05:01,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:05:01,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:05:01,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:05:01,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:05:01,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:05:01,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:05:01,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:05:01,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:05:01,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:05:01,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:05:01,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:05:01,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:05:01,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:05:01,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa [2024-11-09 07:05:02,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:05:02,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:05:02,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:05:02,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:05:02,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:05:02,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c Unable to find full path for "g++" [2024-11-09 07:05:04,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:05:05,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:05:05,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-09 07:05:05,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/9aabb98d0/fc65d8a496884991a12b1a74628e4c55/FLAG1a01787df [2024-11-09 07:05:05,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/data/9aabb98d0/fc65d8a496884991a12b1a74628e4c55 [2024-11-09 07:05:05,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:05:05,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:05:05,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:05:05,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:05:05,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:05:05,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:05:05" (1/1) ... [2024-11-09 07:05:05,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d25bc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:05, skipping insertion in model container [2024-11-09 07:05:05,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:05:05" (1/1) ... [2024-11-09 07:05:05,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:05:05,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-09 07:05:05,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:05:05,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:05:05,945 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-09 07:05:06,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:05:06,156 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:05:06,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06 WrapperNode [2024-11-09 07:05:06,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:05:06,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:05:06,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:05:06,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:05:06,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,280 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 640 [2024-11-09 07:05:06,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:05:06,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:05:06,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:05:06,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:05:06,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:05:06,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:05:06,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:05:06,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:05:06,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (1/1) ... [2024-11-09 07:05:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:05:06,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:05:06,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:05:06,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:05:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:05:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:05:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:05:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:05:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:05:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:05:06,840 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:05:06,843 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:05:07,774 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-09 07:05:07,774 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:05:07,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:05:07,789 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:05:07,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:07 BoogieIcfgContainer [2024-11-09 07:05:07,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:05:07,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:05:07,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:05:07,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:05:07,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:05:05" (1/3) ... [2024-11-09 07:05:07,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70693705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:07, skipping insertion in model container [2024-11-09 07:05:07,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:06" (2/3) ... [2024-11-09 07:05:07,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70693705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:07, skipping insertion in model container [2024-11-09 07:05:07,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:07" (3/3) ... [2024-11-09 07:05:07,837 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-09 07:05:07,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:05:07,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:05:07,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:05:07,959 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46926414, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:05:07,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:05:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:05:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 07:05:07,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:07,978 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:07,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:07,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:07,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1169761190, now seen corresponding path program 1 times [2024-11-09 07:05:08,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:08,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115360069] [2024-11-09 07:05:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:08,011 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 [2024-11-09 07:05:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:08,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:05:08,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:05:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:08,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:05:08,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:05:08,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:05:08,548 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:05:08,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115360069] [2024-11-09 07:05:08,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115360069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:08,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:08,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:05:08,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719383002] [2024-11-09 07:05:08,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:08,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:05:08,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:05:08,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:05:08,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:05:08,595 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:05:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:08,621 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2024-11-09 07:05:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:05:08,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-09 07:05:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:08,633 INFO L225 Difference]: With dead ends: 36 [2024-11-09 07:05:08,634 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 07:05:08,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:05:08,643 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:08,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:05:08,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 07:05:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 07:05:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:05:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 07:05:08,686 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 23 [2024-11-09 07:05:08,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:08,687 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 07:05:08,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:05:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-09 07:05:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 07:05:08,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:08,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:08,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:05:08,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:05:08,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:08,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:08,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1446485140, now seen corresponding path program 1 times [2024-11-09 07:05:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:08,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115646664] [2024-11-09 07:05:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:08,893 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 [2024-11-09 07:05:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:08,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:05:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:05:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:09,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 07:05:09,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:05:09,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:05:09,633 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:05:09,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115646664] [2024-11-09 07:05:09,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115646664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:09,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:09,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:05:09,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894619528] [2024-11-09 07:05:09,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:09,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:05:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:05:09,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:05:09,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:05:09,641 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 07:05:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:09,783 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-09 07:05:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:05:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-09 07:05:09,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:09,785 INFO L225 Difference]: With dead ends: 27 [2024-11-09 07:05:09,785 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 07:05:09,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:05:09,788 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:09,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:05:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 07:05:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 07:05:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 07:05:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-09 07:05:09,800 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-09 07:05:09,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:09,802 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-09 07:05:09,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 07:05:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-09 07:05:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 07:05:09,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:09,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:09,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:10,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:05:10,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:10,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:10,011 INFO L85 PathProgramCache]: Analyzing trace with hash 636552131, now seen corresponding path program 1 times [2024-11-09 07:05:10,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:10,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622531153] [2024-11-09 07:05:10,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:10,014 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 [2024-11-09 07:05:10,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:10,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:05:10,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 (4)] Waiting until timeout for monitored process [2024-11-09 07:05:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:10,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 07:05:10,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 07:05:11,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:05:11,967 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:05:11,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622531153] [2024-11-09 07:05:11,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622531153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:05:11,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1374160585] [2024-11-09 07:05:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:11,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:05:11,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:05:11,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:05:11,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 07:05:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:13,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 07:05:13,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 07:05:13,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:05:13,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1374160585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:05:13,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252247846] [2024-11-09 07:05:13,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:13,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:05:13,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:05:13,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:05:13,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:05:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:14,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 07:05:14,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 07:05:15,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:05:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252247846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:05:15,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:05:15,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 10 [2024-11-09 07:05:15,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885841740] [2024-11-09 07:05:15,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:05:15,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 07:05:15,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:05:15,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 07:05:15,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:05:15,282 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 07:05:15,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:15,878 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-09 07:05:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:05:15,879 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 44 [2024-11-09 07:05:15,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:15,880 INFO L225 Difference]: With dead ends: 36 [2024-11-09 07:05:15,881 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 07:05:15,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:05:15,883 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:15,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 07:05:15,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 07:05:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 07:05:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 07:05:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-09 07:05:15,895 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-09 07:05:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:15,896 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-09 07:05:15,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 07:05:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-09 07:05:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 07:05:15,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:15,899 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-09 07:05:15,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 (4)] Ended with exit code 0 [2024-11-09 07:05:16,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 07:05:16,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:16,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:05:16,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:16,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash 343621620, now seen corresponding path program 2 times [2024-11-09 07:05:16,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:16,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906608456] [2024-11-09 07:05:16,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:05:16,505 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 [2024-11-09 07:05:16,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:16,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:05:16,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 (7)] Waiting until timeout for monitored process [2024-11-09 07:05:17,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:05:17,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:05:17,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-09 07:05:17,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 07:05:31,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:03,856 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:06:03,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906608456] [2024-11-09 07:06:03,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906608456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:03,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [809449272] [2024-11-09 07:06:03,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:06:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:06:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:06:03,860 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:06:03,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 07:06:05,305 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:06:05,305 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:06:05,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 07:06:05,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-09 07:06:26,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:30,990 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse11 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 (_ bv255 32))))) (.cse9 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|)))))))) (.cse7 (= ((_ extract 7 0) (bvand .cse4 (_ bv254 32))) (_ bv0 8)))) (let ((.cse5 (not .cse7)) (.cse12 (not .cse9)) (.cse10 (not .cse11)) (.cse13 (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~state_55~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)))) (let ((.cse1 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_24| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_24|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|)))))) .cse4))))) (.cse2 (let ((.cse14 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_21| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_21|))))) (and (or (and (or .cse5 .cse14) (or .cse7 .cse13)) .cse9) (or .cse12 (and (or .cse14 .cse10) (or .cse11 .cse13)))))) (.cse0 (let ((.cse6 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_21| (_ BitVec 32))) (not (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_21|))))) (.cse8 (not .cse13))) (and (or (and (or .cse5 .cse6) (or .cse7 .cse8)) .cse9) (or (and (or .cse6 .cse10) (or .cse11 .cse8)) .cse12)))) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))) (and (or .cse0 .cse1) (or .cse2 .cse1) (or .cse2 (forall ((|v_ULTIMATE.start_main_~var_71_arg_1~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_22| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_24| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_22|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_24|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_24|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_24|) .cse3))))))))))))))))))))))) .cse4)) (_ bv0 8)))) (or .cse0 (forall ((|v_ULTIMATE.start_main_~var_71_arg_1~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_22| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_24| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_24|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_24|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_24|) .cse3)))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_22|)))))))) (_ bv0 8))))))))) is different from false [2024-11-09 07:06:32,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [809449272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891105658] [2024-11-09 07:06:32,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:06:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:06:32,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:06:32,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:06:32,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 07:06:32,768 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:06:32,768 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:06:32,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-09 07:06:32,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-09 07:06:51,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:55,996 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse15 (= |c_ULTIMATE.start_main_~state_91~0#1| (_ bv0 8)))) (let ((.cse1 (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~state_55~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (.cse12 (or (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_110_arg_1~0#1_28| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_29|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_28|))))))))))))) .cse15)) (.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse14 (not .cse15))) (let ((.cse9 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|)))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_25| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_25|)))) (.cse4 (and .cse12 (or (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_28| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_28|) .cse13))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_28|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_28|))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_29|)))))) (_ bv0 8))) .cse14))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_25| (_ BitVec 32))) (not (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_25|))))) (.cse7 (not .cse1)) (.cse5 (and .cse12 (or (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_28| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_28| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_28|) .cse13))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_28|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_28|))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_29|)))))))) .cse14)))) (and (or (let ((.cse0 (= ((_ extract 7 0) (bvand .cse8 (_ bv254 32))) (_ bv0 8)))) (let ((.cse2 (not .cse0))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) .cse4) (or .cse5 (and (or .cse2 .cse6) (or .cse0 .cse7)))))) .cse9) (or (not .cse9) (let ((.cse10 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 (_ bv255 32)))))) (let ((.cse11 (not .cse10))) (and (or (and (or .cse10 .cse1) (or .cse11 .cse3)) .cse4) (or (and (or .cse6 .cse11) (or .cse10 .cse7)) .cse5))))))))) is different from false [2024-11-09 07:06:56,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891105658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:56,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:06:56,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 25 [2024-11-09 07:06:56,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872777997] [2024-11-09 07:06:56,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:06:56,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 07:06:56,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:06:56,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 07:06:56,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=598, Unknown=21, NotChecked=102, Total=812 [2024-11-09 07:06:56,823 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-09 07:06:58,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:01,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:03,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:06,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:10,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:12,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:15,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:18,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:21,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:24,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:42,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:08:28,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:06,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:09,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:12,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:18,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:28,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:55,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:09:57,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:00,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:02,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:05,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:08,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:10,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:10:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:10:10,445 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-09 07:10:10,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 07:10:10,926 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) Word has length 65 [2024-11-09 07:10:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:10:10,927 INFO L225 Difference]: With dead ends: 46 [2024-11-09 07:10:10,927 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 07:10:10,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 182.0s TimeCoverageRelationStatistics Valid=271, Invalid=1481, Unknown=62, NotChecked=166, Total=1980 [2024-11-09 07:10:10,930 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 31 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 19 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:10:10,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 234 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 406 Invalid, 25 Unknown, 0 Unchecked, 69.3s Time] [2024-11-09 07:10:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 07:10:10,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-09 07:10:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:10:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-09 07:10:10,972 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 65 [2024-11-09 07:10:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:10:10,973 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-09 07:10:10,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 10 states have call predecessors, (22), 13 states have call successors, (22) [2024-11-09 07:10:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-09 07:10:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 07:10:10,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:10:10,976 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-09 07:10:10,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 07:10:11,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 07:10:11,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 (7)] Forceful destruction successful, exit code 0 [2024-11-09 07:10:11,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:10:11,578 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:10:11,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:10:11,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1752744861, now seen corresponding path program 3 times [2024-11-09 07:10:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:10:11,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629421702] [2024-11-09 07:10:11,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:10:11,580 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 [2024-11-09 07:10:11,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:10:11,582 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:10:11,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/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 (10)] Waiting until timeout for monitored process [2024-11-09 07:10:13,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 07:10:13,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:10:13,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 226 conjuncts are in the unsatisfiable core [2024-11-09 07:10:13,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:12:06,124 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 464 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:12:22,370 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 480 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:12:38,076 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:17:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 07:17:41,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:17:59,310 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse16 (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~state_55~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|))))))) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse32 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 (_ bv255 32))))) (.cse19 (= (_ bv0 32) .cse23)) (.cse21 (not .cse16)) (.cse35 (= ((_ extract 7 0) (bvand .cse22 (_ bv254 32))) (_ bv0 8)))) (let ((.cse26 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_7~0#1|)) (.cse30 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse17 (or .cse35 .cse16)) (.cse18 (not .cse35)) (.cse20 (or .cse35 .cse21)) (.cse15 (not .cse19)) (.cse33 (not .cse32)) (.cse31 (= (bvand |c_ULTIMATE.start_main_~state_50~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) |c_ULTIMATE.start_main_~state_87~0#1|))) (let ((.cse0 (let ((.cse34 (not .cse31))) (and (or (and (or .cse18 .cse34) .cse20) .cse19) (or .cse15 (and (or .cse34 .cse33) (or .cse32 .cse21)))))) (.cse3 (and (or (and (or .cse18 .cse31) .cse17) .cse19) (or (and (or .cse32 .cse16) (or .cse31 .cse33)) .cse15))) (.cse13 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_33| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_33|)))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|)))))) .cse22))))) (.cse14 (= |c_ULTIMATE.start_main_~state_91~0#1| (_ bv0 8))) (.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_11~0#1|)) (.cse27 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_72~0#1|)) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse30)))) (.cse29 (not .cse26)) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_69~0#1|)))) .cse30))))) (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_31| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_34| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_31|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_34|) .cse24))))))))))))))))))))))))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_31| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_34| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_31|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_34|) .cse24))))))))))))))))))))))))) (.cse6 (and (or .cse26 (forall ((|v_ULTIMATE.start_main_~var_82_arg_1~0#1_29| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_82_arg_1~0#1_29|)))))))))) (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_76_arg_0~0#1_29| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|) .cse22)))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_76_arg_0~0#1_29|) .cse28)))))))))))))))))))) .cse29))) (.cse10 (and (or (forall ((|v_ULTIMATE.start_main_~var_82_arg_1~0#1_29| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_82_arg_1~0#1_29|)))))))) .cse26) (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_76_arg_0~0#1_29| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|) .cse22)))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_76_arg_0~0#1_29|) .cse28))))))))))))))))))) .cse29))) (.cse4 (not .cse14)) (.cse12 (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_31| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_34| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_31|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_34|) .cse24))))))))) (_ bv0 32))))))))))))))))) (.cse11 (forall ((|v_ULTIMATE.start_main_~var_112_arg_2~0#1_31| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_34| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_31|))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_34|) .cse24))))))))) (_ bv1 32))))))))))))))))) (.cse5 (or .cse14 (and (or .cse0 .cse13) (or .cse3 .cse13))))) (and (or (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) .cse4) .cse5) .cse6) (or (let ((.cse8 (and (or (and (or .cse18 (forall ((|v_ULTIMATE.start_main_~var_54~0#1_27| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_54~0#1_27|) |c_ULTIMATE.start_main_~state_87~0#1|)))) .cse20) .cse19) (or .cse21 .cse15))) (.cse7 (and (or .cse15 .cse16) (or (and .cse17 (or .cse18 (forall ((|v_ULTIMATE.start_main_~var_54~0#1_27| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_54~0#1_27|) |c_ULTIMATE.start_main_~state_87~0#1|)))) .cse19)))) (let ((.cse9 (or (and (or .cse8 .cse13) (or .cse7 .cse13)) .cse14))) (and (or (and (or (and (or .cse2 .cse7) (or .cse8 .cse1)) .cse4) .cse9) .cse6) (or .cse10 (and .cse9 (or (and (or .cse8 .cse11) (or .cse12 .cse7)) .cse4)))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_51~0#1|)))) .cse23)) (or .cse10 (and (or .cse4 (and (or .cse3 .cse12) (or .cse0 .cse11))) .cse5)))))))) is different from false [2024-11-09 07:18:07,044 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:18:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629421702] [2024-11-09 07:18:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629421702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2101311823] [2024-11-09 07:18:07,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:18:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:18:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:18:07,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:18:07,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81a575-e95e-4684-97df-42a585c854e6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 07:18:08,764 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 07:18:08,764 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:18:08,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 251 conjuncts are in the unsatisfiable core [2024-11-09 07:18:08,838 INFO L278 TraceCheckSpWp]: Computing forward predicates...