./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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_a9a1e118-1bfe-4919-accd-acf30bb72121/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 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:42:13,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:42:14,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:42:14,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:42:14,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:42:14,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:42:14,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:42:14,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:42:14,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:42:14,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:42:14,194 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:42:14,195 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:42:14,195 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:42:14,196 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:42:14,196 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:42:14,197 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:42:14,197 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:42:14,198 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:42:14,198 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:42:14,199 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:42:14,199 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:42:14,204 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:42:14,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:42:14,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:42:14,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:42:14,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:42:14,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:42:14,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:42:14,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:42:14,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:42:14,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:42:14,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:42:14,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:42:14,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:42:14,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:42:14,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:14,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:42:14,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:42:14,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:42:14,215 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:42:14,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:42:14,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:42:14,216 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:42:14,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:42:14,217 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_a9a1e118-1bfe-4919-accd-acf30bb72121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2024-11-09 04:42:14,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:42:14,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:42:14,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:42:14,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:42:14,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:42:14,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c Unable to find full path for "g++" [2024-11-09 04:42:17,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:42:17,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:42:17,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2024-11-09 04:42:17,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/0dea300d8/3606b4ef78f74469b3a8e21c9d6c0d7a/FLAG8f1fad67d [2024-11-09 04:42:17,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/0dea300d8/3606b4ef78f74469b3a8e21c9d6c0d7a [2024-11-09 04:42:17,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:42:17,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:42:17,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:17,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:42:17,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:42:17,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:17" (1/1) ... [2024-11-09 04:42:17,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c721fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:17, skipping insertion in model container [2024-11-09 04:42:17,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:17" (1/1) ... [2024-11-09 04:42:17,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:42:17,832 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_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-09 04:42:17,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:18,006 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:42:18,029 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_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-09 04:42:18,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:18,141 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:42:18,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18 WrapperNode [2024-11-09 04:42:18,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:18,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:18,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:42:18,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:42:18,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,259 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 374 [2024-11-09 04:42:18,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:18,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:42:18,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:42:18,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:42:18,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:42:18,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:42:18,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:42:18,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:42:18,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (1/1) ... [2024-11-09 04:42:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:18,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:18,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:42:18,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:42:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:42:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:42:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:42:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:42:18,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:42:18,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:42:19,566 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-09 04:42:19,566 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:42:20,175 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:42:20,176 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:42:20,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:20 BoogieIcfgContainer [2024-11-09 04:42:20,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:42:20,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:42:20,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:42:20,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:42:20,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:42:17" (1/3) ... [2024-11-09 04:42:20,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adc6d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:20, skipping insertion in model container [2024-11-09 04:42:20,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:18" (2/3) ... [2024-11-09 04:42:20,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adc6d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:20, skipping insertion in model container [2024-11-09 04:42:20,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:20" (3/3) ... [2024-11-09 04:42:20,194 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2024-11-09 04:42:20,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:42:20,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:42:20,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:42:20,322 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;@1e32130c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:42:20,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:42:20,328 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 04:42:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 04:42:20,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:20,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 04:42:20,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:42:20,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:20,349 INFO L85 PathProgramCache]: Analyzing trace with hash 14180576, now seen corresponding path program 1 times [2024-11-09 04:42:20,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:20,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944811005] [2024-11-09 04:42:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:20,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:42:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:42:20,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:42:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:42:20,999 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:42:21,001 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:42:21,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:42:21,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:42:21,013 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:42:21,044 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 04:42:21,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:42:21,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:42:21 BoogieIcfgContainer [2024-11-09 04:42:21,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:42:21,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:42:21,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:42:21,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:42:21,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:20" (3/4) ... [2024-11-09 04:42:21,073 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:42:21,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:42:21,076 INFO L158 Benchmark]: Toolchain (without parser) took 3523.29ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 58.8MB in the end (delta: 56.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,077 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 157.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:42:21,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.70ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 98.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.85ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 92.9MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,081 INFO L158 Benchmark]: Boogie Preprocessor took 71.25ms. Allocated memory is still 157.3MB. Free memory was 92.9MB in the beginning and 90.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,082 INFO L158 Benchmark]: RCFGBuilder took 1843.53ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 93.4MB in the end (delta: -3.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,084 INFO L158 Benchmark]: TraceAbstraction took 883.92ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 59.8MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 04:42:21,085 INFO L158 Benchmark]: Witness Printer took 7.24ms. Allocated memory is still 157.3MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 961.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:42:21,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 157.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.70ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 98.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.85ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 92.9MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.25ms. Allocated memory is still 157.3MB. Free memory was 92.9MB in the beginning and 90.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1843.53ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 93.4MB in the end (delta: -3.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 883.92ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 59.8MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.24ms. Allocated memory is still 157.3MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 961.2kB). 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: 22]: 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 76. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 128); [L34] const SORT_9 msb_SORT_9 = (SORT_9)1 << (128 - 1); [L36] const SORT_9 var_10 = 0; [L37] const SORT_1 var_18 = 1; [L38] const SORT_5 var_22 = 0; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L47] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L47] SORT_9 state_11 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L48] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L48] SORT_9 state_13 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L49] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L49] SORT_5 state_23 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L50] SORT_5 state_25 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L53] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L54] SORT_5 state_33 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L56] SORT_9 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_9 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_5 init_24_arg_1 = var_22; [L61] state_23 = init_24_arg_1 [L62] SORT_5 init_26_arg_1 = var_22; [L63] state_25 = init_26_arg_1 [L64] SORT_1 init_28_arg_1 = var_18; [L65] state_27 = init_28_arg_1 [L66] SORT_1 init_30_arg_1 = var_18; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_22; [L69] state_31 = init_32_arg_1 [L70] SORT_5 init_34_arg_1 = var_22; [L71] state_33 = init_34_arg_1 VAL [mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_9=-1, state_11=0, state_13=0, state_23=0, state_25=0, state_27=1, state_29=1, state_31=0, state_33=0, var_10=0, var_18=1, var_22=0] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_3 = __VERIFIER_nondet_uchar() [L76] EXPR input_3 & mask_SORT_1 [L76] input_3 = input_3 & mask_SORT_1 [L77] input_4 = __VERIFIER_nondet_uchar() [L78] EXPR input_4 & mask_SORT_1 [L78] input_4 = input_4 & mask_SORT_1 [L79] input_6 = __VERIFIER_nondet_ulong() [L80] input_7 = __VERIFIER_nondet_ulong() [L81] input_8 = __VERIFIER_nondet_uchar() [L82] EXPR input_8 & mask_SORT_1 [L82] input_8 = input_8 & mask_SORT_1 [L85] SORT_9 var_15_arg_0 = state_11; [L86] SORT_9 var_15_arg_1 = state_13; [L87] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L88] SORT_1 var_19_arg_0 = var_15; [L89] SORT_1 var_19 = ~var_19_arg_0; [L90] SORT_1 var_20_arg_0 = var_18; [L91] SORT_1 var_20_arg_1 = var_19; [L92] EXPR var_20_arg_0 & var_20_arg_1 [L92] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L93] EXPR var_20 & mask_SORT_1 [L93] var_20 = var_20 & mask_SORT_1 [L94] SORT_1 bad_21_arg_0 = var_20; [L95] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.3s 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 04:42:21,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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_a9a1e118-1bfe-4919-accd-acf30bb72121/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 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:42:24,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:42:24,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 04:42:24,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:42:24,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:42:24,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:42:24,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:42:24,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:42:24,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:42:24,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:42:24,389 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:42:24,390 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:42:24,391 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:42:24,393 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:42:24,394 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:42:24,394 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:42:24,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:42:24,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:42:24,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:42:24,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:42:24,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:42:24,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:42:24,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:42:24,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:42:24,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:42:24,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:42:24,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:42:24,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:42:24,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:42:24,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:42:24,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:42:24,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:42:24,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:24,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:42:24,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:42:24,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:42:24,412 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:42:24,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:42:24,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:42:24,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:42:24,415 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_a9a1e118-1bfe-4919-accd-acf30bb72121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2024-11-09 04:42:24,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:42:24,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:42:24,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:42:24,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:42:24,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:42:24,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c Unable to find full path for "g++" [2024-11-09 04:42:27,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:42:28,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:42:28,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2024-11-09 04:42:28,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/8112c173c/705f8d5ddc9247528dcb05152784cdfb/FLAGe2a5c8946 [2024-11-09 04:42:28,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/data/8112c173c/705f8d5ddc9247528dcb05152784cdfb [2024-11-09 04:42:28,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:42:28,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:42:28,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:28,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:42:28,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:42:28,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:28,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c953ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28, skipping insertion in model container [2024-11-09 04:42:28,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:28,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:42:28,623 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_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-09 04:42:28,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:28,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:42:28,891 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_a9a1e118-1bfe-4919-accd-acf30bb72121/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2024-11-09 04:42:28,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:28,995 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:42:28,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28 WrapperNode [2024-11-09 04:42:28,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:28,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:28,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:42:28,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:42:29,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,084 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 206 [2024-11-09 04:42:29,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:29,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:42:29,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:42:29,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:42:29,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:42:29,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:42:29,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:42:29,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:42:29,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (1/1) ... [2024-11-09 04:42:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:29,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:42:29,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:42:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:42:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:42:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:42:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:42:29,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:42:29,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:42:30,181 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-09 04:42:30,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:42:30,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:42:30,214 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:42:30,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:30 BoogieIcfgContainer [2024-11-09 04:42:30,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:42:30,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:42:30,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:42:30,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:42:30,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:42:28" (1/3) ... [2024-11-09 04:42:30,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ec4f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:30, skipping insertion in model container [2024-11-09 04:42:30,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:28" (2/3) ... [2024-11-09 04:42:30,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ec4f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:30, skipping insertion in model container [2024-11-09 04:42:30,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:30" (3/3) ... [2024-11-09 04:42:30,237 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul2.c [2024-11-09 04:42:30,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:42:30,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:42:30,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:42:30,346 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;@4a86aa4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:42:30,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:42:30,352 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 04:42:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 04:42:30,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:30,363 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 04:42:30,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:42:30,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:30,373 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 04:42:30,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:42:30,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130870600] [2024-11-09 04:42:30,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:30,398 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 04:42:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:42:30,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:42:30,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:42:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:30,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 04:42:30,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:31,098 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 04:42:31,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:42:31,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:42:31,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130870600] [2024-11-09 04:42:31,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130870600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:42:31,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:42:31,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:42:31,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515613376] [2024-11-09 04:42:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:42:31,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:42:31,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:42:31,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:42:31,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:42:31,151 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 04:42:33,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:42:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:42:33,555 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 04:42:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:42:33,559 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 04:42:33,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:42:33,570 INFO L225 Difference]: With dead ends: 18 [2024-11-09 04:42:33,571 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 04:42:33,574 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 04:42:33,581 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:42:33,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 04:42:33,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 04:42:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 04:42:33,624 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 04:42:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 04:42:33,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 04:42:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:42:33,629 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 04:42:33,629 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 04:42:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 04:42:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 04:42:33,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:33,631 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:33,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:42:33,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:42:33,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:42:33,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 04:42:33,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:42:33,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562173420] [2024-11-09 04:42:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:33,836 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 04:42:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:42:33,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:42:33,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:42:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:34,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 04:42:34,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:42:35,207 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 04:42:35,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:42:55,522 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|))) (let ((.cse0 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse4))))) (_ bv0 8))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse4))))) (_ bv0 8)))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (or .cse3 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse0) (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) (or (and .cse0 .cse1) .cse3)))) is different from true [2024-11-09 04:43:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:43:13,295 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:43:13,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562173420] [2024-11-09 04:43:13,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562173420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:43:13,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [434536371] [2024-11-09 04:43:13,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:43:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:43:13,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:43:13,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:43:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:14,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:43:14,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:43:15,253 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 04:43:15,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:43:43,717 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (or (and .cse0 (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (or (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (and .cse0 (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|))))))))) is different from true [2024-11-09 04:43:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:43:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [434536371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:43:51,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327005441] [2024-11-09 04:43:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:43:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:51,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:43:51,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:43:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:52,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 04:43:52,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:43:54,180 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 04:43:54,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:19,798 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (or (and .cse0 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (or (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse1) .cse0))))) is different from true [2024-11-09 04:44:26,419 WARN L873 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse0 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (or (and .cse0 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (or (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse1) .cse0)))))) is different from true [2024-11-09 04:44:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-09 04:44:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327005441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:44:30,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:44:30,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 7, 6] total 15 [2024-11-09 04:44:30,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432338417] [2024-11-09 04:44:30,818 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:44:30,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 04:44:30,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:30,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 04:44:30,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=89, Unknown=4, NotChecked=84, Total=210 [2024-11-09 04:44:30,822 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 04:44:33,057 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse4 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse0 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8)))) (.cse5 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) .cse2) (or (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) .cse4) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse5) (or .cse4 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2) .cse3)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or .cse3 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse0) (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_11~0#1| (_ bv0 128)) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse0 .cse1) .cse3) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse5 (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|))))))))) is different from true [2024-11-09 04:44:35,282 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|))) (let ((.cse0 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse10))))) (_ bv0 8))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse10))))) (_ bv0 8)))) (.cse5 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (.cse7 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse4 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_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_20_arg_0~0#1_10|))))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_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_20_arg_0~0#1_10|))))))))) (.cse6 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) (and (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) .cse2) (or (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) .cse4) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or .cse3 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse0) (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) (or .cse5 .cse6) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse0 .cse1) .cse3) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse7 (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))))) (or .cse5 (and (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse7) (or .cse4 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2) .cse3)))) .cse6))) is different from true [2024-11-09 04:44:37,563 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|))) (let ((.cse4 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|))))))))) (.cse0 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8))))) (.cse1 (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse8))))) (_ bv0 8)))) (.cse5 (forall ((|ULTIMATE.start_main_~state_29~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|)))))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|))))))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_10|)))))))))) (and (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse0) (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)) .cse2) (or (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))))))) .cse4) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_31~0#1|) (= |c_ULTIMATE.start_main_~var_10~0#1| (_ bv0 128)) (or (and .cse3 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))) (bvand |c_ULTIMATE.start_main_~state_13~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse2)) .cse5) (or .cse4 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_25~0#1|)))))) .cse2) .cse3)) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_27~0#1|) (= |c_ULTIMATE.start_main_~state_13~0#1| (_ bv0 128)) (or .cse3 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse0) (or .cse1 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_33~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (not (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_33~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_31~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_23~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) (= (_ bv1 8) |c_ULTIMATE.start_main_~state_29~0#1|) (= |c_ULTIMATE.start_main_~state_25~0#1| (_ bv0 64)) (or (and .cse0 .cse1) .cse3) (= (_ bv0 64) |c_ULTIMATE.start_main_~state_23~0#1|) (or .cse5 (and .cse3 (or .cse2 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_23~0#1| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |ULTIMATE.start_main_~mask_SORT_5~0#1| |ULTIMATE.start_main_~state_23~0#1|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~state_25~0#1| |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|))))))))) is different from true [2024-11-09 04:44:39,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:39,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:39,571 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 04:44:39,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:44:39,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 04:44:39,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:39,573 INFO L225 Difference]: With dead ends: 14 [2024-11-09 04:44:39,574 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 04:44:39,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=39, Invalid=92, Unknown=7, NotChecked=168, Total=306 [2024-11-09 04:44:39,578 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 59 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:39,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 59 Unchecked, 2.0s Time] [2024-11-09 04:44:39,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 04:44:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 04:44:39,587 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 04:44:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 04:44:39,589 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 04:44:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:39,590 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 04:44:39,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 04:44:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 04:44:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 04:44:39,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:39,592 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 04:44:39,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 04:44:39,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:40,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 04:44:40,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:44:40,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:40,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:40,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 04:44:40,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:40,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433679161] [2024-11-09 04:44:40,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 04:44:40,196 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 04:44:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:40,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:44:40,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/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 04:44:41,040 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 04:44:41,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 04:44:41,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 04:44:41,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:45:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:45:05,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:46:04,817 WARN L286 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:28,069 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse10 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_4~0#1|))) (let ((.cse4 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_3~0#1|)) (.cse14 (not .cse10)) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse0))))) (.cse16 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) (.cse8 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_3~0#1|)))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_4~0#1|))))) (let ((.cse25 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse35))))))) (.cse23 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|))) (.cse21 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|))) (.cse29 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 .cse35))))))) (.cse27 (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse34))))) (_ bv0 8))) (.cse12 (bvmul .cse16 .cse8)) (.cse24 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|))) (.cse30 (let ((.cse31 (let ((.cse32 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|))))) (bvor .cse33 .cse33)))) .cse0)) (_ bv0 8)))) (and (or .cse6 .cse32) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse8 .cse8)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse7) .cse6) (not .cse32)))))) (and (or .cse31 .cse14) (or .cse31 .cse10)))) (.cse17 (not .cse4))) (let ((.cse2 (or .cse30 .cse17)) (.cse3 (or .cse4 .cse30)) (.cse11 (or .cse27 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse12) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse8 .cse24)))))))) (.cse5 (or .cse6 .cse29)) (.cse9 (not .cse29)) (.cse15 (or .cse27 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (let ((.cse28 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)))) (= (bvand (bvmul .cse24 .cse28) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse16 .cse28))))))))) (.cse13 (not .cse27)) (.cse19 (or .cse25 (and .cse6 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (let ((.cse26 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse23 .cse26)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse21 .cse26))))) .cse7)))) (.cse20 (not .cse25)) (.cse18 (bvmul .cse21 .cse16)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|))) (and (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))) (and .cse2 .cse3 (or .cse4 (and (or (and .cse5 (or (and .cse6 (or .cse7 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128))) (= (bvand (bvmul .cse8 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))))) .cse9)) .cse10) (or (and .cse11 (or (and .cse6 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse12) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))) .cse7)) .cse13)) .cse14) (or .cse14 (and .cse15 (or (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse16 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))))) .cse13))) (or (and .cse5 (or .cse9 (and .cse6 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))) .cse7)))) .cse10))) (or .cse17 (and (or (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)) (bvand .cse18 |ULTIMATE.start_main_~mask_SORT_9~0#1|))))) .cse14) (or (and .cse19 (or .cse20 (and .cse6 (or .cse7 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse21 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)))))))) .cse10))))) (or (let ((.cse22 (bvmul .cse23 .cse24))) (and .cse2 .cse3 (or (and (or (and .cse5 (or .cse9 (and .cse6 (or .cse7 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)) ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))))))))) .cse10) (or .cse14 (and .cse11 (or (and .cse6 (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse12) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)))) .cse7)) .cse13))) (or (and .cse5 (or (and .cse6 (or .cse7 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)) (bvand (bvmul .cse8 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|))) |ULTIMATE.start_main_~mask_SORT_9~0#1|))))) .cse9)) .cse10) (or (and .cse15 (or (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse16 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)))))))) .cse13)) .cse14)) .cse4) (or (and (or (and .cse19 (or .cse20 (and .cse6 (or .cse7 (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse21 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)))))))) .cse10) (or .cse14 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| .cse22)) (bvand .cse18 |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) .cse17))) (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8))))))))) is different from true [2024-11-09 04:53:34,086 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse5 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8))))) (.cse17 (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_26|) .cse0)) (_ bv0 8)))) (.cse20 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~var_22~0#1|))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|))))))))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse0)))))) (let ((.cse3 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8))))) (.cse13 (let ((.cse21 (let ((.cse22 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_18~0#1|))))) (bvor .cse23 .cse23)))) .cse0)) (_ bv0 8)))) (and (or .cse6 .cse22) (or (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse20 .cse20)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |c_ULTIMATE.start_main_~var_10~0#1| |ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse7) .cse6) (not .cse22)))))) (and (or .cse21 .cse5) (or .cse21 .cse17)))) (.cse11 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_31~0#1|))) (.cse15 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_23~0#1|))) (.cse14 (forall ((|v_ULTIMATE.start_main_#t~nondet13#1_26| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet13#1_26|))) (_ bv0 8)))) (.cse16 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_25~0#1|))) (.cse12 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |c_ULTIMATE.start_main_~state_33~0#1|)))) (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse2 (or .cse14 (and (or .cse5 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|v_ULTIMATE.start_main_~state_23~0#1_15| (_ BitVec 64))) (let ((.cse19 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_23~0#1_15|)))) (= (bvand (bvmul .cse12 .cse19) |ULTIMATE.start_main_~mask_SORT_9~0#1|) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse16 .cse19)))))))) (or .cse6 .cse17) (or (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse16 .cse20)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse20 .cse12)))))) .cse5)))) (.cse4 (or .cse17 (and .cse6 (or (forall ((|v_ULTIMATE.start_main_~state_33~0#1_15| (_ BitVec 64)) (|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (let ((.cse18 ((_ zero_extend 64) (bvand |c_ULTIMATE.start_main_~mask_SORT_5~0#1| |v_ULTIMATE.start_main_~state_33~0#1_15|)))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse11 .cse18)) (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse15 .cse18))))) .cse7)))) (.cse8 (bvmul .cse15 .cse16)) (.cse9 (or .cse14 .cse13)) (.cse10 (or .cse3 .cse13))) (and (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8)))) (and .cse2 (or .cse3 (and .cse4 (or .cse5 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| |ULTIMATE.start_main_~state_13~0#1|)) (bvand .cse8 |ULTIMATE.start_main_~mask_SORT_9~0#1|)))))))) .cse9 .cse10)) (or (forall ((|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) .cse1))))) (_ bv0 8))) (and .cse2 (or (and .cse4 (or .cse5 (and .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_9~0#1| (_ BitVec 128))) (= (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_9~0#1| (bvmul .cse11 .cse12))) (bvand .cse8 |ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) .cse3) .cse9 .cse10))))))) is different from true [2024-11-09 04:53:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-09 04:53:34,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:53:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433679161] [2024-11-09 04:53:34,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433679161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:53:34,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [897965469] [2024-11-09 04:53:34,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 04:53:34,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:53:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:53:34,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:53:34,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a1e118-1bfe-4919-accd-acf30bb72121/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process