./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:05:01,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:05:01,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:05:01,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:05:01,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:05:01,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:05:01,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:05:01,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:05:01,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:05:01,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:05:01,223 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:05:01,224 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:05:01,224 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:05:01,224 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:05:01,227 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:05:01,227 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:05:01,228 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:05:01,229 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:05:01,229 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:05:01,229 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:05:01,230 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:05:01,234 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:05:01,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:05:01,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:05:01,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:05:01,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:05:01,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:05:01,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:05:01,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:05:01,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:05:01,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:05:01,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:05:01,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:05:01,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:05:01,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:05:01,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:01,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:05:01,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:05:01,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:05:01,242 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:05:01,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:05:01,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:05:01,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:05:01,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:05:01,244 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca [2024-11-09 06:05:01,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:05:01,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:05:01,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:05:01,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:05:01,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:05:01,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c Unable to find full path for "g++" [2024-11-09 06:05:03,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:05:03,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:05:03,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-09 06:05:03,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/f7a9b2467/8b45a245fb1c4a368fb7797f4d05aede/FLAGb843689d2 [2024-11-09 06:05:03,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/f7a9b2467/8b45a245fb1c4a368fb7797f4d05aede [2024-11-09 06:05:03,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:05:03,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:05:03,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:03,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:05:03,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:05:03,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:03" (1/1) ... [2024-11-09 06:05:03,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17872323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:03, skipping insertion in model container [2024-11-09 06:05:03,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:03" (1/1) ... [2024-11-09 06:05:03,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:05:04,206 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-09 06:05:04,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:04,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:05:04,426 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-09 06:05:04,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:04,543 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:05:04,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04 WrapperNode [2024-11-09 06:05:04,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:04,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:04,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:05:04,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:05:04,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:04,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:04,887 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1384 [2024-11-09 06:05:04,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:04,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:05:04,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:05:04,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:05:04,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:04,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:04,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:04,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:05:05,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:05:05,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:05:05,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:05:05,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (1/1) ... [2024-11-09 06:05:05,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:05,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:05:05,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:05:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:05:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:05:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:05:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:05:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:05:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:05:05,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:05:05,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:05:07,435 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-09 06:05:07,435 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:05:09,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:05:09,579 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:05:09,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:09 BoogieIcfgContainer [2024-11-09 06:05:09,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:05:09,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:05:09,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:05:09,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:05:09,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:05:03" (1/3) ... [2024-11-09 06:05:09,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bba6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:09, skipping insertion in model container [2024-11-09 06:05:09,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:04" (2/3) ... [2024-11-09 06:05:09,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bba6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:09, skipping insertion in model container [2024-11-09 06:05:09,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:09" (3/3) ... [2024-11-09 06:05:09,592 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-09 06:05:09,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:05:09,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:05:09,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:05:09,759 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;@50ab1b03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:05:09,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:05:09,764 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 06:05:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 06:05:09,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:09,775 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:05:09,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:09,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2143558049, now seen corresponding path program 1 times [2024-11-09 06:05:09,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:05:09,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088282290] [2024-11-09 06:05:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:09,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:05:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:12,754 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 06:05:12,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:05:12,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088282290] [2024-11-09 06:05:12,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088282290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:12,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:12,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:05:12,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813181656] [2024-11-09 06:05:12,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:12,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:05:12,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:05:12,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:05:12,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:05:12,792 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 06:05:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:13,315 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2024-11-09 06:05:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:05:13,318 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 06:05:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:13,325 INFO L225 Difference]: With dead ends: 36 [2024-11-09 06:05:13,325 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 06:05:13,328 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 06:05:13,332 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:05:13,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 06:05:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 06:05:13,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 06:05:13,366 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 06:05:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-09 06:05:13,369 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2024-11-09 06:05:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:13,370 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 06:05:13,371 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 06:05:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-09 06:05:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 06:05:13,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:13,373 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 06:05:13,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:05:13,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:13,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash -958507370, now seen corresponding path program 1 times [2024-11-09 06:05:13,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:05:13,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933867926] [2024-11-09 06:05:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:05:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:05:19,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:05:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:05:23,926 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:05:23,926 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:05:23,929 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:05:23,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:05:23,934 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:05:24,015 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:05:24,015 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:05:24,062 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:05:24,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:05:24 BoogieIcfgContainer [2024-11-09 06:05:24,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:05:24,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:05:24,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:05:24,077 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:05:24,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:09" (3/4) ... [2024-11-09 06:05:24,080 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:05:24,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:05:24,083 INFO L158 Benchmark]: Toolchain (without parser) took 20154.67ms. Allocated memory was 157.3MB in the beginning and 805.3MB in the end (delta: 648.0MB). Free memory was 122.9MB in the beginning and 393.4MB in the end (delta: -270.5MB). Peak memory consumption was 378.0MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,083 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 157.3MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:05:24,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.67ms. Allocated memory is still 157.3MB. Free memory was 122.9MB in the beginning and 90.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 338.52ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 90.5MB in the beginning and 146.0MB in the end (delta: -55.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,085 INFO L158 Benchmark]: Boogie Preprocessor took 194.86ms. Allocated memory is still 199.2MB. Free memory was 146.0MB in the beginning and 134.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,085 INFO L158 Benchmark]: RCFGBuilder took 4496.73ms. Allocated memory was 199.2MB in the beginning and 323.0MB in the end (delta: 123.7MB). Free memory was 134.5MB in the beginning and 78.8MB in the end (delta: 55.8MB). Peak memory consumption was 183.6MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,086 INFO L158 Benchmark]: TraceAbstraction took 14493.17ms. Allocated memory was 323.0MB in the beginning and 805.3MB in the end (delta: 482.3MB). Free memory was 78.8MB in the beginning and 393.4MB in the end (delta: -314.6MB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. [2024-11-09 06:05:24,086 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 805.3MB. Free memory is still 393.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:05:24,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 157.3MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.67ms. Allocated memory is still 157.3MB. Free memory was 122.9MB in the beginning and 90.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 338.52ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 90.5MB in the beginning and 146.0MB in the end (delta: -55.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.86ms. Allocated memory is still 199.2MB. Free memory was 146.0MB in the beginning and 134.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4496.73ms. Allocated memory was 199.2MB in the beginning and 323.0MB in the end (delta: 123.7MB). Free memory was 134.5MB in the beginning and 78.8MB in the end (delta: 55.8MB). Peak memory consumption was 183.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14493.17ms. Allocated memory was 323.0MB in the beginning and 805.3MB in the end (delta: 482.3MB). Free memory was 78.8MB in the beginning and 393.4MB in the end (delta: -314.6MB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 805.3MB. Free memory is still 393.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 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 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 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_ushort() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_ushort() & 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_ushort() & mask_SORT_3 [L68] SORT_3 state_18 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L69] SORT_3 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L70] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L70] SORT_3 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L71] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L71] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L72] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L73] SORT_3 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L74] SORT_3 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L75] SORT_3 state_55 = __VERIFIER_nondet_ushort() & 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_ushort() & mask_SORT_3 [L80] SORT_3 state_87 = __VERIFIER_nondet_ushort() & 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=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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_ushort() [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_ushort() [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=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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=-127, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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=-127, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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=128, input_6=-127, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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=128, input_6=-127, input_7=0, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=65535, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, state_87=65534, 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_ushort() [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_ushort() [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=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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=254, input_7=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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=254, input_7=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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=254, input_7=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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=254, input_7=1, mask_SORT_11=31, mask_SORT_13=15, mask_SORT_19=7, mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_40=3, state_10=0, state_12=3, state_136=31, state_18=65533, state_24=0, state_29=0, state_34=0, state_39=0, state_45=0, state_50=0, state_55=0, state_60=0, state_68=0, state_69=0, state_72=0, 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: 14.2s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.5s 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, 6.6s SatisfiabilityAnalysisTime, 2.1s 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 06:05:24,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:05:26,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:05:26,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:05:26,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:05:26,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:05:26,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:05:26,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:05:26,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:05:26,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:05:26,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:05:26,743 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:05:26,743 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:05:26,743 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:05:26,743 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:05:26,747 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:05:26,747 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:05:26,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:05:26,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:05:26,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:05:26,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:05:26,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:05:26,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:05:26,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:05:26,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:05:26,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:05:26,750 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:05:26,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:05:26,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:05:26,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:05:26,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:05:26,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:05:26,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:05:26,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:26,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:05:26,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:05:26,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:05:26,755 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:05:26,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:26,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:05:26,756 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:05:26,756 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d887e46d9e1781030c0b6aae8069b6bddec306ee6a48cba2aa303ff66f408ca [2024-11-09 06:05:27,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:05:27,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:05:27,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:05:27,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:05:27,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:05:27,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c Unable to find full path for "g++" [2024-11-09 06:05:29,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:05:29,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:05:29,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-09 06:05:29,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/68aed5399/e69c18a26e524477ace18ebcadd43f68/FLAGdbbe8d413 [2024-11-09 06:05:29,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/data/68aed5399/e69c18a26e524477ace18ebcadd43f68 [2024-11-09 06:05:29,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:05:29,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:05:29,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:29,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:05:29,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:05:29,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:29" (1/1) ... [2024-11-09 06:05:29,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e03cde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:29, skipping insertion in model container [2024-11-09 06:05:29,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:29" (1/1) ... [2024-11-09 06:05:29,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:05:29,752 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-09 06:05:29,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:29,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:05:29,993 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_16d794d7-5ba2-4b36-8035-15d83f66a12f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c[1279,1292] [2024-11-09 06:05:30,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:30,103 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:05:30,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30 WrapperNode [2024-11-09 06:05:30,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:30,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:30,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:05:30,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:05:30,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,181 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 640 [2024-11-09 06:05:30,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:30,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:05:30,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:05:30,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:05:30,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:05:30,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:05:30,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:05:30,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:05:30,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (1/1) ... [2024-11-09 06:05:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:30,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:30,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:05:30,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:05:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:05:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:05:30,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:05:30,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:05:31,358 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-09 06:05:31,358 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:05:31,372 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:05:31,372 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:05:31,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:31 BoogieIcfgContainer [2024-11-09 06:05:31,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:05:31,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:05:31,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:05:31,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:05:31,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:05:29" (1/3) ... [2024-11-09 06:05:31,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eed2bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:31, skipping insertion in model container [2024-11-09 06:05:31,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:30" (2/3) ... [2024-11-09 06:05:31,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eed2bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:31, skipping insertion in model container [2024-11-09 06:05:31,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:31" (3/3) ... [2024-11-09 06:05:31,384 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w16_d8_e0.c [2024-11-09 06:05:31,400 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:05:31,401 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:05:31,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:05:31,465 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;@db6803f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:05:31,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:05:31,472 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 06:05:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 06:05:31,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:31,483 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 06:05:31,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:31,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1169761190, now seen corresponding path program 1 times [2024-11-09 06:05:31,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:31,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63011646] [2024-11-09 06:05:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:31,511 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 06:05:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:31,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:31,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:31,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:05:31,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:31,948 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 06:05:31,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:05:31,949 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:31,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63011646] [2024-11-09 06:05:31,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63011646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:31,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:31,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:05:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227158675] [2024-11-09 06:05:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:31,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:05:31,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:05:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:05:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:05:31,980 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 06:05:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:31,996 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2024-11-09 06:05:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:05:31,998 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 06:05:31,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:32,004 INFO L225 Difference]: With dead ends: 36 [2024-11-09 06:05:32,004 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 06:05:32,007 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 06:05:32,010 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 06:05:32,011 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 06:05:32,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 06:05:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 06:05:32,048 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 06:05:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 06:05:32,052 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 23 [2024-11-09 06:05:32,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:32,052 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 06:05:32,053 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 06:05:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-09 06:05:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 06:05:32,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:32,055 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 06:05:32,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:32,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:32,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:32,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:32,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1446485140, now seen corresponding path program 1 times [2024-11-09 06:05:32,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:32,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456305455] [2024-11-09 06:05:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:32,259 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 06:05:32,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:32,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:32,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:32,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:05:32,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:32,875 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 06:05:32,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:05:32,876 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456305455] [2024-11-09 06:05:32,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456305455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:32,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:32,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:05:32,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562357466] [2024-11-09 06:05:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:32,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:05:32,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:05:32,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:05:32,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:05:32,883 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 06:05:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:32,985 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-09 06:05:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:05:32,986 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 06:05:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:32,988 INFO L225 Difference]: With dead ends: 27 [2024-11-09 06:05:32,989 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 06:05:32,989 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 06:05:32,990 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 06:05:32,991 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 06:05:32,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 06:05:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 06:05:33,000 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 06:05:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-09 06:05:33,003 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-09 06:05:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:33,005 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-09 06:05:33,005 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 06:05:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-09 06:05:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 06:05:33,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:33,008 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 06:05:33,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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)] Ended with exit code 0 [2024-11-09 06:05:33,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:33,211 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:33,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:33,212 INFO L85 PathProgramCache]: Analyzing trace with hash 636552131, now seen corresponding path program 1 times [2024-11-09 06:05:33,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:33,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387583296] [2024-11-09 06:05:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:33,214 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 06:05:33,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:33,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:33,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:33,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 06:05:33,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:34,464 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 06:05:34,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:34,646 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:34,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387583296] [2024-11-09 06:05:34,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387583296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:34,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1308943551] [2024-11-09 06:05:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:34,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:34,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:05:34,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:05:34,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 06:05:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:35,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 06:05:35,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:35,897 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 06:05:35,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:36,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1308943551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:36,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468877318] [2024-11-09 06:05:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:36,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:05:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:36,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:05:36,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:05:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:36,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 06:05:36,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:36,918 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 06:05:36,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:37,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468877318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:37,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:05:37,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 10 [2024-11-09 06:05:37,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877737874] [2024-11-09 06:05:37,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:05:37,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:05:37,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:05:37,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:05:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:05:37,077 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 06:05:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:37,499 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-09 06:05:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:05:37,500 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 06:05:37,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:37,501 INFO L225 Difference]: With dead ends: 36 [2024-11-09 06:05:37,501 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 06:05:37,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 06:05:37,503 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:05:37,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:05:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 06:05:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 06:05:37,511 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 06:05:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-09 06:05:37,512 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-09 06:05:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:37,513 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-09 06:05:37,513 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 06:05:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-09 06:05:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 06:05:37,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:37,515 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 06:05:37,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:05:37,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:05:37,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:05:38,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:38,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:38,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:38,119 INFO L85 PathProgramCache]: Analyzing trace with hash 343621620, now seen corresponding path program 2 times [2024-11-09 06:05:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:38,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787238734] [2024-11-09 06:05:38,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:05:38,121 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 06:05:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:38,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:38,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:05:38,993 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 06:05:38,993 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:05:39,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-09 06:05:39,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:43,546 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 06:05:43,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:46,680 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_87~0#1|)) (.cse4 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse15 (= .cse3 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse4 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_55~0#1|)))))))) (.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse14 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))) (let ((.cse11 (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse13 ((_ 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) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_20|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_20|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_20|))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_18|))))))))))) (.cse0 (= ((_ extract 7 0) (bvand .cse13 (_ bv254 32))) (_ bv0 8))) (.cse7 (= (_ 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|)))))))) (.cse12 (not .cse15)) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_110_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_111~0#1|))) ((_ 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_20|))))))))))))))) (let ((.cse1 (and (or .cse15 .cse5) (or .cse12 .cse5))) (.cse8 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse13 (_ bv255 32))))) (.cse9 (not .cse7)) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_17| (_ BitVec 16))) (= .cse3 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse4 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_17|))))))))) (.cse2 (not .cse0)) (.cse10 (and (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_74_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_112_arg_2~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_20| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse13 ((_ 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_18|))) ((_ 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) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_20|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_20|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_20|))))))))))))))))))))))) (or .cse15 .cse11)))) (and (or (and (or .cse0 .cse1) (or .cse2 (and (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_17| (_ BitVec 16))) (not (= .cse3 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse4 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_17|))))))))) .cse5) (or .cse6 .cse5)))) .cse7) (or .cse8 .cse9 .cse1) (or .cse8 .cse9 .cse10) (or (and (or .cse6 .cse2 .cse11) (or .cse0 .cse10)) .cse7)))))) is different from false [2024-11-09 06:05:47,146 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:47,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787238734] [2024-11-09 06:05:47,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787238734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:47,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1148166296] [2024-11-09 06:05:47,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:05:47,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:47,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:05:47,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:05:47,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 06:05:48,346 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 06:05:48,347 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:05:48,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 06:05:48,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:55,751 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 06:05:55,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:05:58,958 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse8 (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|) .cse11))))))))))))))))))))))) .cse0)) (_ bv0 8)))) (.cse6 (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|)))))) .cse0))))) (.cse5 ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_87~0#1|)) (.cse4 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse2 (let ((.cse9 (= .cse5 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse4 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_55~0#1|))))))))) (let ((.cse10 (not .cse9))) (and (or .cse9 .cse8) (or .cse10 (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 .cse0 ((_ 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|) .cse11)))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_112_arg_2~0#1_22|)))))))) (_ bv0 8)))) (or .cse10 .cse6) (or .cse9 .cse6))))) (.cse1 (= (_ 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|))))))))) (and (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 (_ bv255 32)))) (not .cse1) .cse2) (or (let ((.cse3 (= ((_ extract 7 0) (bvand .cse0 (_ bv254 32))) (_ bv0 8)))) (and (or .cse3 .cse2) (or (not .cse3) (let ((.cse7 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_21| (_ BitVec 16))) (= ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_21|))) .cse4))) .cse5)))) (and (or (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_21| (_ BitVec 16))) (not (= ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_58_arg_2~0#1_21|))) .cse4))) .cse5))) .cse6) (or .cse7 .cse6) (or .cse8 .cse7)))))) .cse1))))) is different from false [2024-11-09 06:05:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1148166296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:05:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509331829] [2024-11-09 06:05:59,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:05:59,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:05:59,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:59,369 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:05:59,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 06:05:59,972 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 06:05:59,972 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:05:59,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-09 06:05:59,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:06:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 06:06:31,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:06:49,576 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 205 DAG size of output: 202 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:06:55,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509331829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:06:55,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:06:55,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 14] total 27 [2024-11-09 06:06:55,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214078167] [2024-11-09 06:06:55,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:06:55,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:06:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:06:55,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:06:55,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=727, Unknown=4, NotChecked=110, Total=930 [2024-11-09 06:06:55,150 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2024-11-09 06:06:57,265 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 06:07:02,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:07:16,763 WARN L539 Checker$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 06:07:28,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:07:59,136 WARN L539 Checker$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 06:08:04,042 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 06:08:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:08:04,692 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2024-11-09 06:08:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 06:08:04,694 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) Word has length 65 [2024-11-09 06:08:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:08:04,695 INFO L225 Difference]: With dead ends: 46 [2024-11-09 06:08:04,696 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 06:08:04,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 80.4s TimeCoverageRelationStatistics Valid=235, Invalid=1478, Unknown=17, NotChecked=162, Total=1892 [2024-11-09 06:08:04,697 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 29 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 19 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:08:04,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 238 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 422 Invalid, 6 Unknown, 0 Unchecked, 22.5s Time] [2024-11-09 06:08:04,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 06:08:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-09 06:08:04,721 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 06:08:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-09 06:08:04,722 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 65 [2024-11-09 06:08:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:08:04,723 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-09 06:08:04,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 20 states have (on average 2.7) internal successors, (54), 27 states have internal predecessors, (54), 15 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2024-11-09 06:08:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-09 06:08:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:08:04,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:08:04,725 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 06:08:04,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:08:04,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:08:05,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:08:05,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:08:05,326 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:08:05,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:08:05,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1752744861, now seen corresponding path program 3 times [2024-11-09 06:08:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:08:05,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736847386] [2024-11-09 06:08:05,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:08:05,328 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 06:08:05,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:08:05,331 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:08:05,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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 06:08:06,627 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 06:08:06,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:08:06,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 239 conjuncts are in the unsatisfiable core [2024-11-09 06:08:06,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:10:33,883 WARN L286 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 566 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:10:58,999 WARN L286 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 584 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:11:23,420 WARN L286 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 577 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:12:13,965 WARN L286 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:12:46,874 WARN L286 SmtUtils]: Spent 11.14s on a formula simplification that was a NOOP. DAG size: 567 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:13:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 69 proven. 87 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-09 06:13:03,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:56,353 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse28 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse41 ((_ 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|))))))) (.cse34 ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_87~0#1|)) (.cse35 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse27 (= .cse34 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse35 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_55~0#1|)))))))) (.cse22 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_51~0#1|)))) .cse41)) (.cse23 (= ((_ extract 7 0) (bvand .cse25 (_ bv254 32))) (_ bv0 8))) (.cse16 (= (_ bv0 32) .cse41)) (.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_7~0#1|)) (.cse38 (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_5~0#1|)))))) (.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse28)))) (.cse40 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_72~0#1|)) (.cse37 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_11~0#1|))) (let ((.cse29 (= |c_ULTIMATE.start_main_~state_91~0#1| (_ bv0 8))) (.cse21 (forall ((|v_ULTIMATE.start_main_~var_54_arg_2~0#1_27| (_ BitVec 16))) (= .cse34 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse35 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_54_arg_2~0#1_27|))))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_82_arg_1~0#1_30| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_82_arg_1~0#1_30|)))))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_82_arg_1~0#1_30| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_82_arg_1~0#1_30|))))))))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_76_arg_0~0#1_30| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse39 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_76_arg_0~0#1_30|)))) .cse25))) .cse40)))))))))))))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_76_arg_0~0#1_30| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse39 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_76_arg_0~0#1_30|)))) .cse25))) .cse40))))))))))))))) (.cse5 (not .cse0)) (.cse9 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse25 (_ bv255 32))))) (.cse10 (not .cse16)) (.cse14 (not .cse23)) (.cse15 (= .cse34 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse35 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_50~0#1|)))))))))) (.cse18 (not .cse22)) (.cse24 (not .cse27))) (and (or (let ((.cse26 ((_ 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|)))) .cse28))))) (let ((.cse13 (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 .cse25 ((_ 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|) .cse26)))))))))))))))))))))))))) (let ((.cse17 (and (or .cse24 (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 .cse25 ((_ 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|) .cse26))))))))))))))))))))))))) (or .cse13 .cse27))) (.cse8 (and (or .cse24 (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 .cse25 ((_ 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|) .cse26))))))))) (_ bv1 32))))))))))))))))) (or .cse27 (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 .cse25 ((_ 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|) .cse26))))))))) (_ bv0 32)))))))))))))))))))) (let ((.cse11 (or .cse8 .cse23 .cse16)) (.cse12 (or .cse23 .cse17))) (and (or (let ((.cse1 (and (or (and .cse12 (or .cse13 .cse14 .cse15)) .cse16) (or .cse9 .cse10 .cse17))) (.cse4 (and (or .cse8 .cse9 .cse10) .cse11))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse3 .cse4))) (or .cse5 (and (or .cse6 .cse1) (or .cse7 .cse4))))) .cse18) (or (let ((.cse19 (and (or (and (or .cse13 .cse14 .cse21) .cse12) .cse16) (or .cse10 .cse17))) (.cse20 (and (or .cse8 .cse10) .cse11))) (and (or .cse0 (and (or .cse2 .cse19) (or .cse3 .cse20))) (or (and (or .cse6 .cse19) (or .cse20 .cse7)) .cse5))) .cse22)))))) (not .cse29)) (or .cse29 (let ((.cse33 (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|)))))) .cse25)))))) (let ((.cse31 (and (or .cse24 .cse33) (or .cse27 .cse33)))) (let ((.cse32 (or .cse23 .cse31))) (and (or .cse22 (let ((.cse30 (and (or .cse10 .cse31) (or (and .cse32 (or .cse14 (and (or .cse33 (forall ((|v_ULTIMATE.start_main_~var_54_arg_2~0#1_27| (_ BitVec 16))) (not (= .cse34 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse35 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_54_arg_2~0#1_27|)))))))))))) (or .cse33 .cse21)))) .cse16)))) (and (or (and (or .cse30 .cse3) (or .cse30 .cse2)) .cse0) (or (and (or .cse30 .cse7) (or .cse6 .cse30)) .cse5)))) (or (let ((.cse36 (and (or .cse9 .cse10 .cse31) (or (and (or .cse14 (and (or (not .cse15) .cse33) (or .cse15 .cse33))) .cse32) .cse16)))) (and (or .cse0 (and (or .cse2 .cse36) (or .cse3 .cse36))) (or (and (or .cse36 .cse7) (or .cse6 .cse36)) .cse5))) .cse18)))))))))) is different from false [2024-11-09 06:14:57,913 WARN L286 SmtUtils]: Spent 42.12s on a formula simplification. DAG size of input: 322 DAG size of output: 313 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:14:57,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:14:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736847386] [2024-11-09 06:14:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736847386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:14:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [528081060] [2024-11-09 06:14:57,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:14:57,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:14:57,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:14:57,936 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:14:57,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 06:14:59,949 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 06:14:59,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:15:00,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 251 conjuncts are in the unsatisfiable core [2024-11-09 06:15:00,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:30,149 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-09 06:18:30,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-09 06:18:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519105225] [2024-11-09 06:18:30,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:18:30,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:18:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:18:30,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-09 06:18:30,153 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:18:30,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 06:18:30,610 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@42f8e75b at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:386) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:84) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 06:18:30,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:18:30,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-09 06:18:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606024690] [2024-11-09 06:18:30,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 06:18:30,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 06:18:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:18:30,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 06:18:30,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1130, Unknown=28, NotChecked=70, Total=1406 [2024-11-09 06:18:30,615 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 21 states, 16 states have (on average 2.0) internal successors, (32), 18 states have internal predecessors, (32), 9 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-09 06:18:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:18:30,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 220.6s TimeCoverageRelationStatistics Valid=178, Invalid=1130, Unknown=28, NotChecked=70, Total=1406 [2024-11-09 06:18:30,618 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 1 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 06:18:30,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:18:30,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:30,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 06:18:31,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 06:18:31,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d794d7-5ba2-4b36-8035-15d83f66a12f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:18:31,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@42f8e75b at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:460) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 06:18:31,222 INFO L158 Benchmark]: Toolchain (without parser) took 781774.87ms. Allocated memory was 75.5MB in the beginning and 652.2MB in the end (delta: 576.7MB). Free memory was 48.4MB in the beginning and 395.2MB in the end (delta: -346.8MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,222 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 91.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.50ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 42.2MB in the end (delta: 6.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.52ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 36.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,223 INFO L158 Benchmark]: Boogie Preprocessor took 105.43ms. Allocated memory is still 75.5MB. Free memory was 36.8MB in the beginning and 33.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,223 INFO L158 Benchmark]: RCFGBuilder took 1081.73ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 32.9MB in the beginning and 63.5MB in the end (delta: -30.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,223 INFO L158 Benchmark]: TraceAbstraction took 779845.23ms. Allocated memory was 100.7MB in the beginning and 652.2MB in the end (delta: 551.6MB). Free memory was 62.5MB in the beginning and 395.2MB in the end (delta: -332.7MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2024-11-09 06:18:31,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 91.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.50ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 42.2MB in the end (delta: 6.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.52ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 36.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.43ms. Allocated memory is still 75.5MB. Free memory was 36.8MB in the beginning and 33.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.73ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 32.9MB in the beginning and 63.5MB in the end (delta: -30.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 779845.23ms. Allocated memory was 100.7MB in the beginning and 652.2MB in the end (delta: 551.6MB). Free memory was 62.5MB in the beginning and 395.2MB in the end (delta: -332.7MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@42f8e75b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@42f8e75b: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@42f8e75b