./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:45,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:45,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:30:45,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:45,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:45,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:45,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:45,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:45,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:45,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:45,477 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:45,478 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:45,478 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:45,479 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:30:45,479 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:45,481 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:45,482 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:30:45,482 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:30:45,483 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:45,483 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:30:45,483 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:30:45,488 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:30:45,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:45,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:45,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:30:45,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:45,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:45,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:45,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:45,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:45,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:45,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:45,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:45,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:45,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:45,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:45,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:45,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:45,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:45,495 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:30:45,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:30:45,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:45,496 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:45,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:30:45,497 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b [2024-11-09 04:30:45,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:45,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:45,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:45,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:45,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:45,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c Unable to find full path for "g++" [2024-11-09 04:30:47,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:48,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:48,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2024-11-09 04:30:48,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/783764c54/80c77e1d4d09485ba575cb3922320272/FLAG3fb4d8ba1 [2024-11-09 04:30:48,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/783764c54/80c77e1d4d09485ba575cb3922320272 [2024-11-09 04:30:48,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:48,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:48,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:48,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:48,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:48,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644486b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48, skipping insertion in model container [2024-11-09 04:30:48,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:48,394 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2024-11-09 04:30:48,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:48,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:48,538 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2024-11-09 04:30:48,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:48,620 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:48,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48 WrapperNode [2024-11-09 04:30:48,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:48,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:48,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:48,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:48,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,730 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 644 [2024-11-09 04:30:48,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:48,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:48,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:48,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:48,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:48,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:48,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:48,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:48,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (1/1) ... [2024-11-09 04:30:48,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:48,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:48,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:48,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:30:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:49,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:49,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:50,179 INFO L? ?]: Removed 297 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:50,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:51,146 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:51,149 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:51,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:51 BoogieIcfgContainer [2024-11-09 04:30:51,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:51,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:51,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:51,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:51,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:48" (1/3) ... [2024-11-09 04:30:51,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49975a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:51, skipping insertion in model container [2024-11-09 04:30:51,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:48" (2/3) ... [2024-11-09 04:30:51,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49975a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:51, skipping insertion in model container [2024-11-09 04:30:51,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:51" (3/3) ... [2024-11-09 04:30:51,159 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul4.c [2024-11-09 04:30:51,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:51,177 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:51,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:51,255 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;@6931b6b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:51,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:30:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 04:30:51,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:51,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 04:30:51,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:51,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash 27034296, now seen corresponding path program 1 times [2024-11-09 04:30:51,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:51,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264880437] [2024-11-09 04:30:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:51,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:30:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:52,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:30:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:52,464 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:30:52,466 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:30:52,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:30:52,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:30:52,474 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:30:52,501 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 04:30:52,514 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:52,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:52 BoogieIcfgContainer [2024-11-09 04:30:52,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:52,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:52,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:52,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:52,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:51" (3/4) ... [2024-11-09 04:30:52,524 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:30:52,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:52,527 INFO L158 Benchmark]: Toolchain (without parser) took 4388.64ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 146.3MB in the beginning and 114.5MB in the end (delta: 31.9MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,527 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:52,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.23ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 126.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.16ms. Allocated memory is still 178.3MB. Free memory was 126.9MB in the beginning and 117.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,530 INFO L158 Benchmark]: Boogie Preprocessor took 87.40ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 112.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,531 INFO L158 Benchmark]: RCFGBuilder took 2330.18ms. Allocated memory is still 178.3MB. Free memory was 112.8MB in the beginning and 73.4MB in the end (delta: 39.4MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,532 INFO L158 Benchmark]: TraceAbstraction took 1367.47ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 72.3MB in the beginning and 114.5MB in the end (delta: -42.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-09 04:30:52,532 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 247.5MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:52,537 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.23ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 126.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.16ms. Allocated memory is still 178.3MB. Free memory was 126.9MB in the beginning and 117.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.40ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 112.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2330.18ms. Allocated memory is still 178.3MB. Free memory was 112.8MB in the beginning and 73.4MB in the end (delta: 39.4MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1367.47ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 72.3MB in the beginning and 114.5MB in the end (delta: -42.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 247.5MB. Free memory is still 114.5MB. 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 bitwiseAnd at line 110. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_64 mask_SORT_64 = (SORT_64)-1 >> (sizeof(SORT_64) * 8 - 4); [L36] const SORT_64 msb_SORT_64 = (SORT_64)1 << (4 - 1); [L38] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 60); [L39] const SORT_66 msb_SORT_66 = (SORT_66)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_64 var_65 = 0; [L47] SORT_1 input_2; [L48] SORT_3 input_4; [L49] SORT_3 input_5; [L50] SORT_1 input_6; [L51] SORT_1 input_7; [L52] SORT_1 input_8; [L53] SORT_1 input_9; [L55] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L55] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L57] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L58] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L59] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L60] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L61] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L63] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L64] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L65] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_10 init_13_arg_1 = var_11; [L73] state_12 = init_13_arg_1 [L74] SORT_1 init_16_arg_1 = var_14; [L75] state_15 = init_16_arg_1 [L76] SORT_10 init_19_arg_1 = var_11; [L77] state_18 = init_19_arg_1 [L78] SORT_1 init_21_arg_1 = var_14; [L79] state_20 = init_21_arg_1 [L80] SORT_3 init_26_arg_1 = var_24; [L81] state_25 = init_26_arg_1 [L82] SORT_1 init_28_arg_1 = var_14; [L83] state_27 = init_28_arg_1 [L84] SORT_3 init_31_arg_1 = var_24; [L85] state_30 = init_31_arg_1 [L86] SORT_1 init_33_arg_1 = var_14; [L87] state_32 = init_33_arg_1 [L88] SORT_3 init_38_arg_1 = var_24; [L89] state_37 = init_38_arg_1 [L90] SORT_1 init_40_arg_1 = var_14; [L91] state_39 = init_40_arg_1 [L92] SORT_3 init_43_arg_1 = var_24; [L93] state_42 = init_43_arg_1 [L94] SORT_1 init_45_arg_1 = var_14; [L95] state_44 = init_45_arg_1 [L96] SORT_1 init_70_arg_1 = var_14; [L97] state_69 = init_70_arg_1 [L98] SORT_1 init_75_arg_1 = var_14; [L99] state_74 = init_75_arg_1 [L100] SORT_1 init_88_arg_1 = var_14; [L101] state_87 = init_88_arg_1 [L102] SORT_1 init_93_arg_1 = var_14; [L103] state_92 = init_93_arg_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_3=-1, mask_SORT_66=1152921504606846975, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_24=0, var_51=1, var_65=0] [L106] input_2 = __VERIFIER_nondet_uchar() [L107] input_4 = __VERIFIER_nondet_uint() [L108] input_5 = __VERIFIER_nondet_uint() [L109] input_6 = __VERIFIER_nondet_uchar() [L110] EXPR input_6 & mask_SORT_1 [L110] input_6 = input_6 & mask_SORT_1 [L111] input_7 = __VERIFIER_nondet_uchar() [L112] EXPR input_7 & mask_SORT_1 [L112] input_7 = input_7 & mask_SORT_1 [L113] input_8 = __VERIFIER_nondet_uchar() [L114] EXPR input_8 & mask_SORT_1 [L114] input_8 = input_8 & mask_SORT_1 [L115] input_9 = __VERIFIER_nondet_uchar() [L116] EXPR input_9 & mask_SORT_1 [L116] input_9 = input_9 & mask_SORT_1 [L119] SORT_1 var_17_arg_0 = state_15; [L120] SORT_10 var_17_arg_1 = state_12; [L121] SORT_10 var_17_arg_2 = var_11; [L122] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L123] EXPR var_17 & mask_SORT_10 [L123] var_17 = var_17 & mask_SORT_10 [L124] SORT_1 var_22_arg_0 = state_20; [L125] SORT_10 var_22_arg_1 = state_18; [L126] SORT_10 var_22_arg_2 = var_11; [L127] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L128] EXPR var_22 & mask_SORT_10 [L128] var_22 = var_22 & mask_SORT_10 [L129] SORT_10 var_23_arg_0 = var_17; [L130] SORT_10 var_23_arg_1 = var_22; [L131] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L132] SORT_1 var_29_arg_0 = state_27; [L133] SORT_3 var_29_arg_1 = state_25; [L134] SORT_3 var_29_arg_2 = var_24; [L135] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L136] EXPR var_29 & mask_SORT_3 [L136] var_29 = var_29 & mask_SORT_3 [L137] SORT_1 var_34_arg_0 = state_32; [L138] SORT_3 var_34_arg_1 = state_30; [L139] SORT_3 var_34_arg_2 = var_24; [L140] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L141] EXPR var_34 & mask_SORT_3 [L141] var_34 = var_34 & mask_SORT_3 [L142] SORT_3 var_35_arg_0 = var_29; [L143] SORT_3 var_35_arg_1 = var_34; [L144] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L145] SORT_1 var_36_arg_0 = var_23; [L146] SORT_1 var_36_arg_1 = var_35; [L147] EXPR var_36_arg_0 & var_36_arg_1 [L147] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L148] SORT_1 var_41_arg_0 = state_39; [L149] SORT_3 var_41_arg_1 = state_37; [L150] SORT_3 var_41_arg_2 = var_24; [L151] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] EXPR var_41 & mask_SORT_3 [L152] var_41 = var_41 & mask_SORT_3 [L153] SORT_1 var_46_arg_0 = state_44; [L154] SORT_3 var_46_arg_1 = state_42; [L155] SORT_3 var_46_arg_2 = var_24; [L156] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L157] EXPR var_46 & mask_SORT_3 [L157] var_46 = var_46 & mask_SORT_3 [L158] SORT_3 var_47_arg_0 = var_41; [L159] SORT_3 var_47_arg_1 = var_46; [L160] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L161] SORT_1 var_48_arg_0 = var_36; [L162] SORT_1 var_48_arg_1 = var_47; [L163] EXPR var_48_arg_0 & var_48_arg_1 [L163] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L164] SORT_1 var_52_arg_0 = var_48; [L165] SORT_1 var_52 = ~var_52_arg_0; [L166] SORT_1 var_53_arg_0 = var_51; [L167] SORT_1 var_53_arg_1 = var_52; [L168] EXPR var_53_arg_0 & var_53_arg_1 [L168] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L169] EXPR var_53 & mask_SORT_1 [L169] var_53 = var_53 & mask_SORT_1 [L170] SORT_1 bad_54_arg_0 = var_53; [L171] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:30:52,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:55,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:55,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 04:30:55,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:55,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:55,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:55,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:55,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:55,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:55,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:55,473 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:55,474 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:55,474 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:55,474 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:55,476 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:55,476 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:55,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:55,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:55,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:55,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:55,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:55,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:55,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:30:55,485 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:30:55,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:55,485 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:30:55,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:55,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:55,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:55,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:30:55,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:55,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:55,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:55,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:55,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:55,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:55,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:30:55,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:30:55,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:55,491 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:55,491 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b [2024-11-09 04:30:55,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:55,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:55,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:55,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:55,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:55,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c Unable to find full path for "g++" [2024-11-09 04:30:58,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:58,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:58,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2024-11-09 04:30:58,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/607487873/15aab3d8e91d4d3ca30d4c9dc9514fb7/FLAG60fd25fe4 [2024-11-09 04:30:58,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/data/607487873/15aab3d8e91d4d3ca30d4c9dc9514fb7 [2024-11-09 04:30:58,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:58,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:58,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:58,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:58,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:58,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:58" (1/1) ... [2024-11-09 04:30:58,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ccc488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:58, skipping insertion in model container [2024-11-09 04:30:58,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:58" (1/1) ... [2024-11-09 04:30:58,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:58,972 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2024-11-09 04:30:59,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:59,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:59,143 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_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2024-11-09 04:30:59,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:59,282 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:59,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59 WrapperNode [2024-11-09 04:30:59,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:59,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:59,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:59,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:59,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,372 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2024-11-09 04:30:59,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:59,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:59,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:59,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:59,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:59,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:59,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:59,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:59,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (1/1) ... [2024-11-09 04:30:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:59,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:59,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:30:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:59,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:59,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:31:00,443 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-09 04:31:00,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:31:00,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:31:00,460 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:31:00,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:31:00 BoogieIcfgContainer [2024-11-09 04:31:00,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:31:00,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:31:00,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:31:00,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:31:00,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:58" (1/3) ... [2024-11-09 04:31:00,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fd3e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:31:00, skipping insertion in model container [2024-11-09 04:31:00,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:59" (2/3) ... [2024-11-09 04:31:00,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fd3e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:31:00, skipping insertion in model container [2024-11-09 04:31:00,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:31:00" (3/3) ... [2024-11-09 04:31:00,476 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul4.c [2024-11-09 04:31:00,496 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:31:00,496 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:31:00,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:31:00,584 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;@635fa25f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:31:00,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:31:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 04:31:00,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:00,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 04:31:00,602 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:00,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:00,608 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 04:31:00,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:00,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018030806] [2024-11-09 04:31:00,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:00,631 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 04:31:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:00,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:31:00,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:31:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:00,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 04:31:00,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:31:01,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:01,915 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018030806] [2024-11-09 04:31:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018030806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:01,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:31:01,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798572449] [2024-11-09 04:31:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:01,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:31:01,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:01,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:31:01,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:31:01,970 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:02,281 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 04:31:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:31:02,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 04:31:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:02,294 INFO L225 Difference]: With dead ends: 18 [2024-11-09 04:31:02,294 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 04:31:02,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:31:02,305 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:31:02,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 04:31:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 04:31:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 04:31:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 04:31:02,345 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 04:31:02,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:02,345 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 04:31:02,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:31:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 04:31:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 04:31:02,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:02,347 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:02,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:31:02,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:31:02,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:02,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 04:31:02,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:02,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112118039] [2024-11-09 04:31:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:02,556 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 04:31:02,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:02,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:31:02,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:31:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:02,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 04:31:03,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:31:05,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:31:28,795 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 346 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:31:36,225 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse35 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_74~0#1|))) (let ((.cse30 (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (not .cse35))) (.cse31 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|))))))))) (.cse36 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|))))))))) (.cse33 (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) .cse35))) (let ((.cse32 (or .cse36 .cse33)) (.cse34 (or (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|))) .cse35) .cse31)) (.cse25 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse28 (or .cse36 .cse30)) (.cse29 (or .cse31 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|))) .cse35))) (let ((.cse27 (and .cse28 .cse29)) (.cse17 (not .cse25)) (.cse26 (and .cse32 .cse34)) (.cse22 (and .cse32 (or .cse31 .cse33) .cse34)) (.cse18 (and .cse28 .cse29 (or .cse30 .cse31)))) (let ((.cse10 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse19 (or .cse25 .cse18)) (.cse21 (or .cse25 .cse22)) (.cse24 (or .cse17 .cse26)) (.cse23 (or .cse17 .cse27))) (let ((.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_92~0#1|)) (.cse11 (and .cse23 (or .cse25 .cse27))) (.cse16 (and .cse24 (or .cse25 .cse26))) (.cse14 (and .cse21 .cse24)) (.cse13 (and .cse23 .cse19)) (.cse20 (not .cse10))) (let ((.cse3 (or .cse13 .cse20)) (.cse2 (or .cse14 .cse20)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse1 (or .cse10 (and .cse21 (or .cse17 .cse22)))) (.cse15 (or .cse16 .cse20)) (.cse12 (or .cse11 .cse20)) (.cse4 (or .cse10 (and (or .cse17 .cse18) .cse19))) (.cse5 (not .cse0))) (and (or (and (or .cse0 (and .cse1 .cse2)) (or (and .cse3 .cse4) .cse5)) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse7))) .cse8)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse9))))))))))) (or (and (or .cse10 .cse11) .cse12) .cse5) (or (and (or (and (or .cse10 .cse13) .cse3) .cse5) (or (and .cse2 (or .cse10 .cse14)) .cse0)) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|))))))) .cse8)))))) (or .cse0 (and .cse15 (or .cse10 .cse16))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))) .cse9)))))))) (and (or (and .cse1 .cse15) .cse0) (or (and .cse12 .cse4) .cse5))))))))))) is different from false [2024-11-09 04:31:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-09 04:31:48,941 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112118039] [2024-11-09 04:31:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112118039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:31:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1925659186] [2024-11-09 04:31:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:48,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:31:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:31:48,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:31:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:31:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:49,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-09 04:31:49,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:31:55,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:33:37,798 WARN L286 SmtUtils]: Spent 58.01s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:34:47,146 WARN L286 SmtUtils]: Spent 29.26s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:35:54,540 WARN L286 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:35:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:35:54,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1925659186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:35:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695868131] [2024-11-09 04:35:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:35:54,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:35:54,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:35:54,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:35:54,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:35:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:35:55,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-09 04:35:55,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:36:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:36:14,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:39,091 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse46 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse50 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv254 32))))))))) (.cse51 (not .cse46)) (.cse49 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv255 32)))) .cse17)) (_ bv0 8)))) (.cse52 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_42~0#1|))) (let ((.cse48 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (not (= .cse52 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))))) (.cse47 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (= .cse52 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))) .cse49)) (.cse15 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse35 (or .cse50 .cse51)) (.cse36 (or .cse51 .cse49))) (let ((.cse45 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse16 (and .cse36 (or .cse46 .cse49))) (.cse14 (and (or .cse46 .cse50) .cse35)) (.cse30 (not .cse15)) (.cse9 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_92~0#1|)) (.cse8 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_74~0#1|)) (.cse34 (or .cse46 (and (or .cse50 .cse48) .cse47))) (.cse37 (or .cse46 (and .cse47 (or .cse48 .cse49))))) (let ((.cse29 (and .cse36 .cse37)) (.cse31 (and .cse34 .cse35)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse19 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse11 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse10 (not .cse8)) (.cse13 (not .cse9)) (.cse4 (or .cse14 .cse30)) (.cse5 (or .cse16 .cse30)) (.cse28 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45)))) (.cse32 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45)))) (and (or (let ((.cse7 (or .cse15 .cse16)) (.cse6 (or .cse14 .cse15))) (let ((.cse1 (and .cse4 .cse6)) (.cse3 (and .cse5 .cse7))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3) (or (and .cse4 .cse5 .cse6 .cse7) .cse8)) .cse9) (or (and (or .cse10 .cse1) (or .cse8 (and (or .cse11 .cse1) (or .cse12 .cse3)))) .cse13)))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse18 .cse19)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse18))) .cse17))))))) (or (let ((.cse27 (or .cse32 .cse29))) (let ((.cse22 (or .cse15 (and .cse27 (or .cse31 .cse28)))) (.cse24 (or .cse31 .cse30)) (.cse23 (or .cse30 .cse29)) (.cse25 (or .cse15 (and .cse27 (or .cse28 .cse29))))) (let ((.cse26 (and .cse23 .cse25)) (.cse21 (and .cse22 .cse24))) (and (or .cse9 (and (or .cse0 .cse21) (or (and .cse22 .cse23 .cse24 .cse25) .cse8) (or .cse26 .cse2))) (or (and (or (and (or .cse26 .cse12) (or .cse11 .cse21)) .cse8) (or .cse10 .cse21)) .cse13))))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse33))) .cse17)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse33 .cse19))))))))))) (or (and (or .cse9 (and (or .cse0 .cse31) (or .cse2 .cse29) (or (and .cse34 .cse35 .cse36 .cse37) .cse8))) (or (and (or (and (or .cse31 .cse11) (or .cse12 .cse29)) .cse8) (or .cse10 .cse31)) .cse13)) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 .cse19)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse38))) .cse17)))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse39))) .cse17))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse39 .cse19)))))))))) (let ((.cse44 (or .cse32 .cse16))) (let ((.cse42 (or .cse15 (and .cse44 (or .cse14 .cse28)))) (.cse41 (or .cse15 (and .cse44 (or .cse28 .cse16))))) (let ((.cse43 (and .cse41 .cse5)) (.cse40 (and .cse4 .cse42))) (and (or (and (or .cse40 .cse0) (or (and .cse4 .cse41 .cse5 .cse42) .cse8) (or .cse2 .cse43)) .cse9) (or (and (or (and (or .cse40 .cse11) (or .cse43 .cse12)) .cse8) (or .cse40 .cse10)) .cse13)))))))))))) is different from false [2024-11-09 04:40:04,631 WARN L286 SmtUtils]: Spent 48.26s on a formula simplification. DAG size of input: 202 DAG size of output: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:41:13,484 WARN L286 SmtUtils]: Spent 13.93s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:41:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:41:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695868131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:13,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:41:13,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 23 [2024-11-09 04:41:13,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844874681] [2024-11-09 04:41:13,925 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:41:13,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:41:13,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:41:13,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:41:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=309, Unknown=15, NotChecked=78, Total=506 [2024-11-09 04:41:13,930 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:25,371 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 [1] [2024-11-09 04:41:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:25,583 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 04:41:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:41:25,585 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 04:41:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:25,585 INFO L225 Difference]: With dead ends: 14 [2024-11-09 04:41:25,586 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 04:41:25,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 243.7s TimeCoverageRelationStatistics Valid=147, Invalid=398, Unknown=15, NotChecked=90, Total=650 [2024-11-09 04:41:25,589 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:25,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 1 Unknown, 13 Unchecked, 4.9s Time] [2024-11-09 04:41:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 04:41:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 04:41:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 04:41:25,597 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 04:41:25,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:25,598 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 04:41:25,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:41:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 04:41:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 04:41:25,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:25,599 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 04:41:25,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:41:25,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 04:41:26,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:41:26,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:41:26,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:26,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:26,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 04:41:26,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:26,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107066515] [2024-11-09 04:41:26,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 04:41:26,203 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 04:41:26,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:26,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 04:41:26,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9af5b2-1a4f-4bdf-84a4-797e802a823d/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 (6)] Waiting until timeout for monitored process [2024-11-09 04:41:26,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 04:41:26,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 04:41:26,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-09 04:41:26,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:29,545 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (= (_ bv0 64) |c_ULTIMATE.start_main_~var_11~0#1|) (exists ((|v_ULTIMATE.start_main_#t~nondet25#1_29| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~state_27~0#1| ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet25#1_29|))))) (= |c_ULTIMATE.start_main_~state_27~0#1| |c_ULTIMATE.start_main_~state_32~0#1|) (= (_ bv0 64) (bvadd |c_ULTIMATE.start_main_~mask_SORT_10~0#1| (_ bv1 64))) (= (_ bv0 32) |c_ULTIMATE.start_main_~var_24~0#1|) (let ((.cse18 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_30~0#1|))) (.cse8 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_20~0#1|)) (.cse23 (exists ((|v_ULTIMATE.start_main_#t~nondet23#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_9~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet24#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_8~0#1_19| (_ BitVec 8))) (let ((.cse39 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet24#1_26|)))) (.cse41 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet23#1_26|) (_ bv1 32))))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse39) ((_ zero_extend 24) .cse41)))))) (and (= .cse39 |c_ULTIMATE.start_main_~state_20~0#1|) (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse40 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_9~0#1_19|)))))))) (not (= .cse41 (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse40 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_8~0#1_19|))))))) (= .cse39 |c_ULTIMATE.start_main_~state_15~0#1|)))))) (.cse7 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_42~0#1|))) (.cse28 (exists ((|v_ULTIMATE.start_main_#t~nondet23#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_9~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet24#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_8~0#1_19| (_ BitVec 8))) (let ((.cse37 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet24#1_26|)))) (.cse38 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet23#1_26|) (_ bv1 32))))) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse37) ((_ zero_extend 24) .cse38)))))) (and (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse36 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_8~0#1_19|)))))))) (= .cse37 |c_ULTIMATE.start_main_~state_20~0#1|) (not (= .cse38 (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse36 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_9~0#1_19|))))))) (= .cse37 |c_ULTIMATE.start_main_~state_15~0#1|)))))) (.cse9 (= (_ bv0 64) |c_ULTIMATE.start_main_~state_18~0#1|))) (let ((.cse12 (and .cse28 .cse9 (exists ((|v_ULTIMATE.start_main_~state_30~0#1_18| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_37~0#1_14| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand (bvlshr (bvmul ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_18|)) ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_37~0#1_14|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|)))) (.cse3 (= |c_ULTIMATE.start_main_~state_30~0#1| |c_ULTIMATE.start_main_~state_25~0#1|)) (.cse10 (and (= (_ bv0 64) |c_ULTIMATE.start_main_~state_12~0#1|) (exists ((|v_ULTIMATE.start_main_#t~nondet24#1_26| (_ BitVec 8))) (let ((.cse35 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet24#1_26|))))) (and (= .cse35 |c_ULTIMATE.start_main_~state_20~0#1|) (= .cse35 |c_ULTIMATE.start_main_~state_15~0#1|)))) .cse9)) (.cse11 (and .cse23 (exists ((|v_ULTIMATE.start_main_~state_25~0#1_14| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= |c_ULTIMATE.start_main_~state_12~0#1| (bvor (_ bv0 64) (bvand |ULTIMATE.start_main_~mask_SORT_66~0#1| (bvlshr (bvmul .cse7 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_25~0#1_14|))) (_ bv2 64)))))) .cse9)) (.cse4 (exists ((|v_ULTIMATE.start_main_#t~nondet23#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_9~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet24#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_8~0#1_19| (_ BitVec 8))) (let ((.cse33 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet24#1_26|)))) (.cse34 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet23#1_26|) (_ bv1 32))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse33) ((_ zero_extend 24) .cse34)))))) (and (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_8~0#1_19|)))))))) (= .cse33 |c_ULTIMATE.start_main_~state_20~0#1|) (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_9~0#1_19|)))))))) (not (= .cse34 (_ bv0 8))) (= .cse33 |c_ULTIMATE.start_main_~state_15~0#1|)))))) (.cse5 (not .cse8)) (.cse13 (and (exists ((|v_ULTIMATE.start_main_~state_37~0#1_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_25~0#1_14| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand (bvlshr (bvmul ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_37~0#1_14|)) ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_25~0#1_14|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|)) (exists ((|v_ULTIMATE.start_main_#t~nondet23#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_9~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet24#1_26| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_8~0#1_19| (_ BitVec 8))) (let ((.cse29 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet24#1_26|)))) (.cse30 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet23#1_26|) (_ bv1 32))))) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse29) ((_ zero_extend 24) .cse30)))))) (and (= .cse29 |c_ULTIMATE.start_main_~state_20~0#1|) (not (= .cse30 (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse31 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_9~0#1_19|))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse31 ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_8~0#1_19|))))))) (= .cse29 |c_ULTIMATE.start_main_~state_15~0#1|))))) .cse9)) (.cse20 (and .cse28 (exists ((|v_ULTIMATE.start_main_~state_37~0#1_14| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand |ULTIMATE.start_main_~mask_SORT_66~0#1| (bvlshr (bvmul .cse18 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_37~0#1_14|))) (_ bv2 64)))) |c_ULTIMATE.start_main_~state_12~0#1|)) .cse9)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (or (and (exists ((|v_ULTIMATE.start_main_#t~nondet26#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_7~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_6~0#1_20| (_ BitVec 8))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_7~0#1_20|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_6~0#1_20|))))) (.cse2 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet26#1_29|))))) (and (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 .cse1))))))) (= .cse2 |c_ULTIMATE.start_main_~state_39~0#1|) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) .cse2) .cse1)))))) (= .cse2 |c_ULTIMATE.start_main_~state_44~0#1|)))) .cse3 (or (and .cse4 (or (and .cse5 (exists ((|v_ULTIMATE.start_main_~state_30~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (let ((.cse6 (bvor (_ bv0 64) (bvand (bvlshr (bvmul .cse7 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_18|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)))) (and (= |c_ULTIMATE.start_main_~state_18~0#1| .cse6) (= |c_ULTIMATE.start_main_~state_12~0#1| .cse6))))) (and .cse8 (exists ((|v_ULTIMATE.start_main_~state_30~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= |c_ULTIMATE.start_main_~state_12~0#1| (bvor (_ bv0 64) (bvand (bvlshr (bvmul .cse7 ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_18|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)))) .cse9))) .cse10 .cse11 .cse12 .cse13)) (and (= |c_ULTIMATE.start_main_~state_37~0#1| |c_ULTIMATE.start_main_~state_42~0#1|) (let ((.cse17 (and (exists ((|v_ULTIMATE.start_main_~state_42~0#1_18| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_25~0#1_14| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand (bvlshr (bvmul ((_ zero_extend 32) (bvand |v_ULTIMATE.start_main_~state_42~0#1_18| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_25~0#1_14|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|)) .cse23 .cse9))) (or (and (exists ((|v_ULTIMATE.start_main_#t~nondet26#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_7~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_6~0#1_20| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_7~0#1_20|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_6~0#1_20|))))) (.cse15 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet26#1_29|))))) (and (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 .cse14))))))) (= .cse15 |c_ULTIMATE.start_main_~state_39~0#1|) (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) .cse15) .cse14))))))) (= .cse15 |c_ULTIMATE.start_main_~state_44~0#1|)))) (or (and .cse4 (or (and .cse5 (exists ((|v_ULTIMATE.start_main_~state_42~0#1_18| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_30~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (let ((.cse16 (bvor (_ bv0 64) (bvand (bvlshr (bvmul ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_18|)) ((_ zero_extend 32) (bvand |v_ULTIMATE.start_main_~state_42~0#1_18| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)))) (and (= .cse16 |c_ULTIMATE.start_main_~state_12~0#1|) (= .cse16 |c_ULTIMATE.start_main_~state_18~0#1|))))) (and .cse8 (exists ((|v_ULTIMATE.start_main_~state_42~0#1_18| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_30~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand (bvlshr (bvmul ((_ zero_extend 32) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~state_30~0#1_18|)) ((_ zero_extend 32) (bvand |v_ULTIMATE.start_main_~state_42~0#1_18| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|)) .cse9))) .cse10 .cse12 .cse13 .cse17) .cse3) (and (or (and .cse4 (or (and .cse8 .cse9 (exists ((|v_ULTIMATE.start_main_~state_42~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand (bvlshr (bvmul .cse18 ((_ zero_extend 32) (bvand |v_ULTIMATE.start_main_~state_42~0#1_18| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|))) (and .cse5 (exists ((|v_ULTIMATE.start_main_~state_42~0#1_18| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (let ((.cse19 (bvor (_ bv0 64) (bvand (bvlshr (bvmul .cse18 ((_ zero_extend 32) (bvand |v_ULTIMATE.start_main_~state_42~0#1_18| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv2 64)) |ULTIMATE.start_main_~mask_SORT_66~0#1|)))) (and (= .cse19 |c_ULTIMATE.start_main_~state_12~0#1|) (= .cse19 |c_ULTIMATE.start_main_~state_18~0#1|))))))) .cse10 .cse13 .cse17 .cse20) (exists ((|v_ULTIMATE.start_main_#t~nondet26#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_7~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_6~0#1_20| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_7~0#1_20|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_6~0#1_20|))))) (.cse21 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet26#1_29|))))) (and (= .cse21 |c_ULTIMATE.start_main_~state_39~0#1|) (not (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) .cse21) .cse22))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 .cse22)))))) (= .cse21 |c_ULTIMATE.start_main_~state_44~0#1|)))))))) (and (or .cse10 .cse11 (and .cse4 (let ((.cse25 (bvlshr (bvmul .cse7 .cse18) (_ bv2 64)))) (or (and .cse5 (exists ((|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (let ((.cse24 (bvor (_ bv0 64) (bvand .cse25 |ULTIMATE.start_main_~mask_SORT_66~0#1|)))) (and (= .cse24 |c_ULTIMATE.start_main_~state_18~0#1|) (= .cse24 |c_ULTIMATE.start_main_~state_12~0#1|))))) (and .cse8 (exists ((|ULTIMATE.start_main_~mask_SORT_66~0#1| (_ BitVec 64))) (= (bvor (_ bv0 64) (bvand .cse25 |ULTIMATE.start_main_~mask_SORT_66~0#1|)) |c_ULTIMATE.start_main_~state_12~0#1|)) .cse9)))) .cse13 .cse20) (exists ((|v_ULTIMATE.start_main_#t~nondet26#1_29| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_7~0#1_20| (_ BitVec 8)) (|v_ULTIMATE.start_main_~input_6~0#1_20| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_7~0#1_20|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_6~0#1_20|))))) (.cse26 ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet26#1_29|))))) (and (= .cse26 |c_ULTIMATE.start_main_~state_39~0#1|) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) .cse26) .cse27)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 .cse27)))))) (= .cse26 |c_ULTIMATE.start_main_~state_44~0#1|))))))))) is different from false [2024-11-09 04:43:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:43:39,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:45:33,832 WARN L286 SmtUtils]: Spent 48.14s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)