./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:09:47,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:09:47,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:09:47,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:09:47,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:09:47,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:09:47,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:09:47,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:09:47,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:09:47,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:09:47,276 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:09:47,276 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:09:47,277 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:09:47,277 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:09:47,277 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:09:47,279 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:09:47,280 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:09:47,280 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:09:47,281 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:09:47,281 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:09:47,281 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:09:47,286 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:09:47,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:09:47,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:09:47,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:09:47,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:09:47,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:09:47,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:09:47,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:09:47,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:09:47,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:09:47,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:09:47,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:09:47,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:09:47,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:09:47,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:09:47,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:09:47,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:09:47,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:09:47,293 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:09:47,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:09:47,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:09:47,294 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:09:47,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:09:47,295 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-09 06:09:47,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:09:47,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:09:47,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:09:47,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:09:47,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:09:47,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c Unable to find full path for "g++" [2024-11-09 06:09:49,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:09:49,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:09:49,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-09 06:09:49,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/5fb9f7f85/6a2a530b7a3547d299431e9010b1dd2a/FLAG250430bb3 [2024-11-09 06:09:50,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/5fb9f7f85/6a2a530b7a3547d299431e9010b1dd2a [2024-11-09 06:09:50,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:09:50,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:09:50,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:50,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:09:50,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:09:50,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:50" (1/1) ... [2024-11-09 06:09:50,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:50, skipping insertion in model container [2024-11-09 06:09:50,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:50" (1/1) ... [2024-11-09 06:09:50,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:09:50,609 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-09 06:09:50,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:50,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:09:50,944 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-09 06:09:51,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:51,077 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:09:51,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51 WrapperNode [2024-11-09 06:09:51,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:51,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:51,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:09:51,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:09:51,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,414 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1764 [2024-11-09 06:09:51,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:51,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:09:51,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:09:51,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:09:51,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:09:51,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:09:51,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:09:51,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:09:51,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (1/1) ... [2024-11-09 06:09:51,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:09:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:09:51,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:09:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:09:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:09:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:09:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:09:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:09:52,028 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:09:52,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:09:54,585 INFO L? ?]: Removed 896 outVars from TransFormulas that were not future-live. [2024-11-09 06:09:54,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:09:57,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:09:57,435 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:09:57,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:57 BoogieIcfgContainer [2024-11-09 06:09:57,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:09:57,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:09:57,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:09:57,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:09:57,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:09:50" (1/3) ... [2024-11-09 06:09:57,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662436e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:57, skipping insertion in model container [2024-11-09 06:09:57,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:51" (2/3) ... [2024-11-09 06:09:57,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662436e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:57, skipping insertion in model container [2024-11-09 06:09:57,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:57" (3/3) ... [2024-11-09 06:09:57,444 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-09 06:09:57,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:09:57,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:09:57,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:09:57,531 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;@411b7ea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:09:57,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:09:57,536 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 06:09:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:09:57,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:09:57,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:09:57,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:09:57,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:09:57,549 INFO L85 PathProgramCache]: Analyzing trace with hash 77747701, now seen corresponding path program 1 times [2024-11-09 06:09:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:09:57,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921307541] [2024-11-09 06:09:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:09:57,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:09:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:09:58,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:09:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:09:58,721 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:09:58,723 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:09:58,725 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:09:58,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:09:58,733 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:09:58,771 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:09:58,788 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:09:58,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:09:58 BoogieIcfgContainer [2024-11-09 06:09:58,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:09:58,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:09:58,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:09:58,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:09:58,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:57" (3/4) ... [2024-11-09 06:09:58,800 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:09:58,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:09:58,802 INFO L158 Benchmark]: Toolchain (without parser) took 8486.65ms. Allocated memory was 159.4MB in the beginning and 362.8MB in the end (delta: 203.4MB). Free memory was 115.2MB in the beginning and 206.4MB in the end (delta: -91.1MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2024-11-09 06:09:58,803 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:58,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.47ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 80.6MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 06:09:58,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 336.17ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 80.6MB in the beginning and 145.3MB in the end (delta: -64.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-09 06:09:58,806 INFO L158 Benchmark]: Boogie Preprocessor took 220.56ms. Allocated memory is still 207.6MB. Free memory was 145.3MB in the beginning and 132.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:09:58,807 INFO L158 Benchmark]: RCFGBuilder took 5798.38ms. Allocated memory was 207.6MB in the beginning and 362.8MB in the end (delta: 155.2MB). Free memory was 132.2MB in the beginning and 154.4MB in the end (delta: -22.2MB). Peak memory consumption was 185.9MB. Max. memory is 16.1GB. [2024-11-09 06:09:58,808 INFO L158 Benchmark]: TraceAbstraction took 1357.08ms. Allocated memory is still 362.8MB. Free memory was 154.4MB in the beginning and 206.4MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:58,808 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 362.8MB. Free memory is still 206.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:09:58,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.47ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 80.6MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 336.17ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 80.6MB in the beginning and 145.3MB in the end (delta: -64.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.56ms. Allocated memory is still 207.6MB. Free memory was 145.3MB in the beginning and 132.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5798.38ms. Allocated memory was 207.6MB in the beginning and 362.8MB in the end (delta: 155.2MB). Free memory was 132.2MB in the beginning and 154.4MB in the end (delta: -22.2MB). Peak memory consumption was 185.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1357.08ms. Allocated memory is still 362.8MB. Free memory was 154.4MB in the beginning and 206.4MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 362.8MB. Free memory is still 206.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 150. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_215 mask_SORT_215 = (SORT_215)-1 >> (sizeof(SORT_215) * 8 - 4); [L36] const SORT_215 msb_SORT_215 = (SORT_215)1 << (4 - 1); [L38] const SORT_217 mask_SORT_217 = (SORT_217)-1 >> (sizeof(SORT_217) * 8 - 60); [L39] const SORT_217 msb_SORT_217 = (SORT_217)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_3 var_204 = 1; [L46] const SORT_3 var_208 = 3735928559; [L47] const SORT_3 var_211 = 12245771; [L48] const SORT_215 var_216 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_1 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L58] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L58] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 [L60] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L61] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L62] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L63] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L64] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L66] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 [L68] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_220 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_269 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_10 init_13_arg_1 = var_11; [L89] state_12 = init_13_arg_1 [L90] SORT_1 init_16_arg_1 = var_14; [L91] state_15 = init_16_arg_1 [L92] SORT_10 init_19_arg_1 = var_11; [L93] state_18 = init_19_arg_1 [L94] SORT_1 init_21_arg_1 = var_14; [L95] state_20 = init_21_arg_1 [L96] SORT_3 init_26_arg_1 = var_24; [L97] state_25 = init_26_arg_1 [L98] SORT_1 init_28_arg_1 = var_14; [L99] state_27 = init_28_arg_1 [L100] SORT_3 init_31_arg_1 = var_24; [L101] state_30 = init_31_arg_1 [L102] SORT_1 init_33_arg_1 = var_14; [L103] state_32 = init_33_arg_1 [L104] SORT_3 init_38_arg_1 = var_24; [L105] state_37 = init_38_arg_1 [L106] SORT_1 init_40_arg_1 = var_14; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_43_arg_1 = var_24; [L109] state_42 = init_43_arg_1 [L110] SORT_1 init_45_arg_1 = var_14; [L111] state_44 = init_45_arg_1 [L112] SORT_1 init_62_arg_1 = var_14; [L113] state_61 = init_62_arg_1 [L114] SORT_1 init_64_arg_1 = var_14; [L115] state_63 = init_64_arg_1 [L116] SORT_1 init_66_arg_1 = var_14; [L117] state_65 = init_66_arg_1 [L118] SORT_1 init_68_arg_1 = var_14; [L119] state_67 = init_68_arg_1 [L120] SORT_1 init_70_arg_1 = var_14; [L121] state_69 = init_70_arg_1 [L122] SORT_1 init_72_arg_1 = var_14; [L123] state_71 = init_72_arg_1 [L124] SORT_1 init_74_arg_1 = var_14; [L125] state_73 = init_74_arg_1 [L126] SORT_1 init_76_arg_1 = var_14; [L127] state_75 = init_76_arg_1 [L128] SORT_1 init_78_arg_1 = var_14; [L129] state_77 = init_78_arg_1 [L130] SORT_1 init_80_arg_1 = var_14; [L131] state_79 = init_80_arg_1 [L132] SORT_1 init_82_arg_1 = var_14; [L133] state_81 = init_82_arg_1 [L134] SORT_1 init_84_arg_1 = var_14; [L135] state_83 = init_84_arg_1 [L136] SORT_1 init_86_arg_1 = var_14; [L137] state_85 = init_86_arg_1 [L138] SORT_1 init_221_arg_1 = var_14; [L139] state_220 = init_221_arg_1 [L140] SORT_1 init_252_arg_1 = var_14; [L141] state_251 = init_252_arg_1 [L142] SORT_1 init_265_arg_1 = var_14; [L143] state_264 = init_265_arg_1 [L144] SORT_1 init_270_arg_1 = var_14; [L145] state_269 = init_270_arg_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L148] input_2 = __VERIFIER_nondet_uchar() [L149] input_4 = __VERIFIER_nondet_uint() [L150] EXPR input_4 & mask_SORT_3 [L150] input_4 = input_4 & mask_SORT_3 [L151] input_5 = __VERIFIER_nondet_uint() [L152] EXPR input_5 & mask_SORT_3 [L152] input_5 = input_5 & mask_SORT_3 [L153] input_6 = __VERIFIER_nondet_uchar() [L154] EXPR input_6 & mask_SORT_1 [L154] input_6 = input_6 & mask_SORT_1 [L155] input_7 = __VERIFIER_nondet_uchar() [L156] EXPR input_7 & mask_SORT_1 [L156] input_7 = input_7 & mask_SORT_1 [L157] input_8 = __VERIFIER_nondet_uchar() [L158] EXPR input_8 & mask_SORT_1 [L158] input_8 = input_8 & mask_SORT_1 [L159] input_9 = __VERIFIER_nondet_uchar() [L160] EXPR input_9 & mask_SORT_1 [L160] input_9 = input_9 & mask_SORT_1 [L163] SORT_1 var_17_arg_0 = state_15; [L164] SORT_10 var_17_arg_1 = state_12; [L165] SORT_10 var_17_arg_2 = var_11; [L166] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L167] EXPR var_17 & mask_SORT_10 [L167] var_17 = var_17 & mask_SORT_10 [L168] SORT_1 var_22_arg_0 = state_20; [L169] SORT_10 var_22_arg_1 = state_18; [L170] SORT_10 var_22_arg_2 = var_11; [L171] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L172] EXPR var_22 & mask_SORT_10 [L172] var_22 = var_22 & mask_SORT_10 [L173] SORT_10 var_23_arg_0 = var_17; [L174] SORT_10 var_23_arg_1 = var_22; [L175] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L176] SORT_1 var_29_arg_0 = state_27; [L177] SORT_3 var_29_arg_1 = state_25; [L178] SORT_3 var_29_arg_2 = var_24; [L179] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L180] EXPR var_29 & mask_SORT_3 [L180] var_29 = var_29 & mask_SORT_3 [L181] SORT_1 var_34_arg_0 = state_32; [L182] SORT_3 var_34_arg_1 = state_30; [L183] SORT_3 var_34_arg_2 = var_24; [L184] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L185] EXPR var_34 & mask_SORT_3 [L185] var_34 = var_34 & mask_SORT_3 [L186] SORT_3 var_35_arg_0 = var_29; [L187] SORT_3 var_35_arg_1 = var_34; [L188] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L189] SORT_1 var_36_arg_0 = var_23; [L190] SORT_1 var_36_arg_1 = var_35; [L191] EXPR var_36_arg_0 & var_36_arg_1 [L191] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L192] SORT_1 var_41_arg_0 = state_39; [L193] SORT_3 var_41_arg_1 = state_37; [L194] SORT_3 var_41_arg_2 = var_24; [L195] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L196] EXPR var_41 & mask_SORT_3 [L196] var_41 = var_41 & mask_SORT_3 [L197] SORT_1 var_46_arg_0 = state_44; [L198] SORT_3 var_46_arg_1 = state_42; [L199] SORT_3 var_46_arg_2 = var_24; [L200] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L201] EXPR var_46 & mask_SORT_3 [L201] var_46 = var_46 & mask_SORT_3 [L202] SORT_3 var_47_arg_0 = var_41; [L203] SORT_3 var_47_arg_1 = var_46; [L204] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L205] SORT_1 var_48_arg_0 = var_36; [L206] SORT_1 var_48_arg_1 = var_47; [L207] EXPR var_48_arg_0 & var_48_arg_1 [L207] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L208] SORT_1 var_52_arg_0 = var_48; [L209] SORT_1 var_52 = ~var_52_arg_0; [L210] SORT_1 var_53_arg_0 = var_51; [L211] SORT_1 var_53_arg_1 = var_52; [L212] EXPR var_53_arg_0 & var_53_arg_1 [L212] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L213] EXPR var_53 & mask_SORT_1 [L213] var_53 = var_53 & mask_SORT_1 [L214] SORT_1 bad_54_arg_0 = var_53; [L215] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 0.6s 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 06:09:58,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:10:01,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:10:01,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:10:01,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:10:01,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:10:01,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:10:01,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:10:01,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:10:01,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:10:01,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:10:01,559 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:10:01,560 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:10:01,560 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:10:01,560 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:10:01,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:10:01,563 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:10:01,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:10:01,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:10:01,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:10:01,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:10:01,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:10:01,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:10:01,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:10:01,571 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:10:01,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:10:01,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:10:01,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:10:01,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:10:01,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:10:01,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:10:01,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:10:01,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:10:01,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:10:01,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:10:01,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:10:01,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:10:01,577 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:10:01,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:10:01,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:10:01,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:10:01,578 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-09 06:10:01,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:10:02,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:10:02,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:10:02,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:10:02,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:10:02,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c Unable to find full path for "g++" [2024-11-09 06:10:03,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:10:04,249 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:10:04,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-09 06:10:04,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/485cbedd0/5a692b30993047ee80f8e6bf660feba0/FLAG3aee956c9 [2024-11-09 06:10:04,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/data/485cbedd0/5a692b30993047ee80f8e6bf660feba0 [2024-11-09 06:10:04,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:10:04,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:10:04,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:10:04,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:10:04,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:10:04,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:10:04" (1/1) ... [2024-11-09 06:10:04,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1e3411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:04, skipping insertion in model container [2024-11-09 06:10:04,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:10:04" (1/1) ... [2024-11-09 06:10:04,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:10:04,622 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-09 06:10:04,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:10:04,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:10:04,904 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_14df6deb-f4b0-4565-b7f9-bfda0a13540d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c[1245,1258] [2024-11-09 06:10:05,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:10:05,060 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:10:05,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05 WrapperNode [2024-11-09 06:10:05,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:10:05,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:10:05,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:10:05,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:10:05,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,187 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 738 [2024-11-09 06:10:05,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:10:05,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:10:05,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:10:05,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:10:05,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:10:05,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:10:05,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:10:05,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:10:05,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (1/1) ... [2024-11-09 06:10:05,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:10:05,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:10:05,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:10:05,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:10:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:10:05,657 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:10:05,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:10:07,057 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-09 06:10:07,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:10:07,081 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:10:07,081 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:10:07,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:10:07 BoogieIcfgContainer [2024-11-09 06:10:07,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:10:07,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:10:07,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:10:07,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:10:07,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:10:04" (1/3) ... [2024-11-09 06:10:07,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731a5bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:10:07, skipping insertion in model container [2024-11-09 06:10:07,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:10:05" (2/3) ... [2024-11-09 06:10:07,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731a5bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:10:07, skipping insertion in model container [2024-11-09 06:10:07,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:10:07" (3/3) ... [2024-11-09 06:10:07,097 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-09 06:10:07,117 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:10:07,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:10:07,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:10:07,202 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;@90b990e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:10:07,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:10:07,207 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 06:10:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:10:07,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:10:07,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:10:07,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:10:07,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:10:07,224 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:10:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:10:07,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891010413] [2024-11-09 06:10:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:07,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:10:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:10:07,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:10:07,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:10:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:10:07,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 06:10:07,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:10:08,333 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 06:10:08,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:10:08,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:10:08,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891010413] [2024-11-09 06:10:08,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891010413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:10:08,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:10:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:10:08,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573944888] [2024-11-09 06:10:08,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:10:08,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:10:08,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:10:08,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:10:08,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:10:08,381 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 06:10:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:10:08,616 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 06:10:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:10:08,619 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 06:10:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:10:08,628 INFO L225 Difference]: With dead ends: 18 [2024-11-09 06:10:08,628 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 06:10:08,631 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 06:10:08,635 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:10:08,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:10:08,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 06:10:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 06:10:08,671 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 06:10:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:10:08,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:10:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:10:08,674 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:10:08,674 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 06:10:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:10:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:10:08,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:10:08,676 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:10:08,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:10:08,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:10:08,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:10:08,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:10:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:10:08,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:10:08,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995872094] [2024-11-09 06:10:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:08,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:10:08,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:10:08,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:10:08,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:10:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:10:09,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 06:10:09,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:10:11,642 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 06:10:11,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:10:31,687 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 346 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:10:59,014 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 06:10:59,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:10:59,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995872094] [2024-11-09 06:10:59,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995872094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:10:59,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1170986068] [2024-11-09 06:10:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:59,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:10:59,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:10:59,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:10:59,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:10:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:10:59,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-09 06:10:59,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:11:02,209 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 06:11:02,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:12:00,887 WARN L286 SmtUtils]: Spent 37.27s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:13:02,628 WARN L286 SmtUtils]: Spent 23.22s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:13:55,059 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 06:13:55,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1170986068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:55,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768010965] [2024-11-09 06:13:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:55,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:55,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:55,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:55,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:13:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:55,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-09 06:13:55,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:14:09,579 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 06:14:09,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:15:53,682 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse46 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_42~0#1|)) (.cse48 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv254 32))))))))) (.cse52 (not .cse46)) (.cse47 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_15| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_15|) (_ bv255 32)))) .cse22)) (_ bv0 8))))) (let ((.cse14 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse29 (or .cse52 .cse47)) (.cse28 (or .cse48 .cse52)) (.cse50 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (= .cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))) .cse47)) (.cse49 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32))) (not (= .cse51 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|)))))) (let ((.cse30 (or .cse46 (and .cse50 (or .cse49 .cse47)))) (.cse45 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse27 (or .cse46 (and (or .cse48 .cse49) .cse50))) (.cse1 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8))) (.cse0 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse16 (and (or .cse46 .cse48) .cse28)) (.cse18 (and .cse29 (or .cse46 .cse47))) (.cse43 (not .cse14))) (let ((.cse4 (or .cse18 .cse43)) (.cse2 (or .cse16 .cse43)) (.cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse10 (not .cse0)) (.cse11 (not .cse1)) (.cse13 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (.cse12 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_15| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse25 (and .cse27 .cse28)) (.cse17 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45)))) (.cse19 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse45))) (.cse26 (and .cse29 .cse30)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|))) (and (or (let ((.cse15 (or .cse19 .cse18))) (let ((.cse3 (or .cse14 (and .cse15 (or .cse17 .cse18)))) (.cse5 (or .cse14 (and .cse15 (or .cse16 .cse17))))) (let ((.cse6 (and .cse2 .cse5)) (.cse9 (and .cse3 .cse4))) (and (or .cse0 (and (or .cse1 (and .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7) (or .cse8 .cse9))) (or .cse10 (and (or .cse6 .cse11) (or .cse1 (and (or .cse6 .cse12) (or .cse9 .cse13))))))))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse21))) .cse22))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 .cse23))))))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse23)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse24))) .cse22))))))) (and (or .cse0 (and (or .cse7 .cse25) (or .cse8 .cse26) (or .cse1 (and .cse27 .cse28 .cse29 .cse30)))) (or .cse10 (and (or .cse25 .cse11) (or .cse1 (and (or .cse25 .cse12) (or .cse13 .cse26))))))) (or (let ((.cse33 (or .cse14 .cse18)) (.cse32 (or .cse16 .cse14))) (let ((.cse31 (and .cse2 .cse32)) (.cse34 (and .cse4 .cse33))) (and (or .cse0 (and (or .cse7 .cse31) (or .cse1 (and .cse2 .cse4 .cse32 .cse33)) (or .cse8 .cse34))) (or (and (or .cse11 .cse31) (or .cse1 (and (or .cse12 .cse31) (or .cse13 .cse34)))) .cse10)))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse23)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse35))) .cse22))))))) (or (let ((.cse42 (or .cse19 .cse26))) (let ((.cse38 (or .cse14 (and .cse42 (or .cse25 .cse17)))) (.cse40 (or .cse25 .cse43)) (.cse39 (or .cse43 .cse26)) (.cse41 (or .cse14 (and .cse42 (or .cse17 .cse26))))) (let ((.cse37 (and .cse39 .cse41)) (.cse36 (and .cse38 .cse40))) (and (or .cse0 (and (or .cse7 .cse36) (or .cse37 .cse8) (or .cse1 (and .cse38 .cse39 .cse40 .cse41)))) (or .cse10 (and (or .cse11 .cse36) (or .cse1 (and (or .cse37 .cse13) (or .cse12 .cse36))))))))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse44))) .cse22)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse44 .cse23))))))))))))))))) is different from false [2024-11-09 06:17:09,214 WARN L286 SmtUtils]: Spent 41.09s on a formula simplification. DAG size of input: 202 DAG size of output: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:18:02,234 WARN L286 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:18:02,576 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 06:18:02,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768010965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:18:02,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:18:02,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 22 [2024-11-09 06:18:02,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751278831] [2024-11-09 06:18:02,578 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:18:02,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 06:18:02,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:18:02,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 06:18:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=306, Unknown=18, NotChecked=38, Total=462 [2024-11-09 06:18:02,582 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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 06:18:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:09,744 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 06:18:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:18:09,746 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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 06:18:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:09,747 INFO L225 Difference]: With dead ends: 14 [2024-11-09 06:18:09,747 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 06:18:09,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 206.7s TimeCoverageRelationStatistics Valid=144, Invalid=394, Unknown=18, NotChecked=44, Total=600 [2024-11-09 06:18:09,749 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:09,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 7 Unchecked, 2.5s Time] [2024-11-09 06:18:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 06:18:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 06:18:09,756 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 06:18:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 06:18:09,757 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 06:18:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:09,757 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 06:18:09,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 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 06:18:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 06:18:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:18:09,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:09,759 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 06:18:09,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:09,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:10,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:18:10,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:18:10,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:10,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 06:18:10,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:18:10,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144599490] [2024-11-09 06:18:10,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:18:10,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:18:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:18:10,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:18:10,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14df6deb-f4b0-4565-b7f9-bfda0a13540d/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 06:18:11,100 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 06:18:11,101 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:18:11,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-09 06:18:11,132 INFO L278 TraceCheckSpWp]: Computing forward predicates...