./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/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_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/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 32bit --witnessprinter.graph.data.programhash 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:28,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:28,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:28,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:28,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:28,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:28,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:28,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:28,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:28,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:28,358 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:28,359 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:28,359 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:28,360 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:28,360 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:28,361 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:28,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:28,362 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:28,362 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:28,363 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:28,363 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:28,364 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:28,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:28,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:28,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:28,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:28,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:28,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:28,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:28,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:28,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:28,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:28,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:28,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:28,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:28,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:28,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:28,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:28,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:28,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:28,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:28,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:28,375 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:28,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:28,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:28,376 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:28,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:28,377 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_ef90f51c-4f70-460c-be1b-6437823d54d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-09 04:29:28,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:28,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:28,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:28,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:28,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:28,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i Unable to find full path for "g++" [2024-11-09 04:29:30,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:30,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:30,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-09 04:29:30,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/77447bb57/69e6feb6b4b040069aec093b27a2af9a/FLAG7098e5073 [2024-11-09 04:29:30,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/77447bb57/69e6feb6b4b040069aec093b27a2af9a [2024-11-09 04:29:30,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:30,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:30,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:30,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:30,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:30,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:30" (1/1) ... [2024-11-09 04:29:30,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ba5c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:30, skipping insertion in model container [2024-11-09 04:29:30,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:30" (1/1) ... [2024-11-09 04:29:30,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:31,149 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_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-09 04:29:31,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:31,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:31,249 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_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-09 04:29:31,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:31,318 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:31,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31 WrapperNode [2024-11-09 04:29:31,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:31,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:31,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:31,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:31,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,381 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-09 04:29:31,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:31,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:31,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:31,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:31,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:31,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:31,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:31,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:31,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (1/1) ... [2024-11-09 04:29:31,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:31,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:31,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:31,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:31,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:31,807 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:31,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:31,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:31,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:31,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:31 BoogieIcfgContainer [2024-11-09 04:29:31,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:31,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:31,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:31,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:31,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:30" (1/3) ... [2024-11-09 04:29:31,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7648b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:31, skipping insertion in model container [2024-11-09 04:29:31,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:31" (2/3) ... [2024-11-09 04:29:31,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7648b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:31, skipping insertion in model container [2024-11-09 04:29:31,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:31" (3/3) ... [2024-11-09 04:29:31,967 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-09 04:29:31,993 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:31,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:32,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:32,067 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;@50e6af46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:32,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:29:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 04:29:32,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:32,085 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:32,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:32,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:32,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1144548839, now seen corresponding path program 1 times [2024-11-09 04:29:32,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:32,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679329770] [2024-11-09 04:29:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:32,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:32,692 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:32,694 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:32,697 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:29:32,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:29:32,704 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:29:32,785 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:32,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:32 BoogieIcfgContainer [2024-11-09 04:29:32,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:32,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:32,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:32,799 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:32,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:31" (3/4) ... [2024-11-09 04:29:32,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:29:32,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:32,806 INFO L158 Benchmark]: Toolchain (without parser) took 1866.85ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 113.9MB in the beginning and 168.9MB in the end (delta: -55.0MB). Peak memory consumption was 70.3kB. Max. memory is 16.1GB. [2024-11-09 04:29:32,807 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:32,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.78ms. Allocated memory is still 153.1MB. Free memory was 113.4MB in the beginning and 99.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 04:29:32,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:32,810 INFO L158 Benchmark]: Boogie Preprocessor took 39.91ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 96.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:32,811 INFO L158 Benchmark]: RCFGBuilder took 533.75ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 76.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 04:29:32,813 INFO L158 Benchmark]: TraceAbstraction took 836.85ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 75.1MB in the beginning and 169.9MB in the end (delta: -94.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 04:29:32,814 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 207.6MB. Free memory was 169.9MB in the beginning and 168.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:32,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.78ms. Allocated memory is still 153.1MB. Free memory was 113.4MB in the beginning and 99.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.56ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.91ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 96.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.75ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 76.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 836.85ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 75.1MB in the beginning and 169.9MB in the end (delta: -94.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 207.6MB. Free memory was 169.9MB in the beginning and 168.9MB in the end (delta: 1.0MB). 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: 19]: 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 someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=0, var_1_4=126, var_1_5=16, var_1_9=254] [L95] RET updateVariables() [L96] CALL step() [L38] var_1_1 = (16 - 2) [L39] COND FALSE !(\read(var_1_3)) [L42] var_1_2 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 [L53] COND FALSE !((var_1_10 * var_1_10) > var_1_10) [L56] var_1_5 = var_1_9 [L96] RET step() [L97] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=126, var_1_3=0, var_1_4=126, var_1_5=254, var_1_9=254] [L19] reach_error() VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=126, var_1_3=0, var_1_4=126, var_1_5=254, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 14, 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=32occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:29:32,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/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_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/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 32bit --witnessprinter.graph.data.programhash 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:35,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:35,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:29:35,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:35,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:35,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:35,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:35,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:35,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:35,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:35,631 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:35,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:35,632 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:35,633 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:35,633 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:35,634 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:35,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:35,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:35,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:35,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:35,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:35,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:35,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:35,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:35,640 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:29:35,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:29:35,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:35,641 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:29:35,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:35,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:35,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:35,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:35,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:29:35,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:35,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:35,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:35,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:35,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:35,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:35,644 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:29:35,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:35,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:35,658 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:35,658 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_ef90f51c-4f70-460c-be1b-6437823d54d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-09 04:29:36,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:36,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:36,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:36,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:36,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:36,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i Unable to find full path for "g++" [2024-11-09 04:29:38,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:38,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:38,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-09 04:29:38,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/bc1da50fa/832cdabd9d784568adf253a4d346b1ed/FLAG08cc7a063 [2024-11-09 04:29:39,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/data/bc1da50fa/832cdabd9d784568adf253a4d346b1ed [2024-11-09 04:29:39,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:39,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:39,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:39,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:39,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:39,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292c4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39, skipping insertion in model container [2024-11-09 04:29:39,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:39,375 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_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-09 04:29:39,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:39,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:39,531 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_ef90f51c-4f70-460c-be1b-6437823d54d6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-09 04:29:39,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:39,622 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:39,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39 WrapperNode [2024-11-09 04:29:39,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:39,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:39,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:39,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:39,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,691 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-09 04:29:39,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:39,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:39,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:39,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:39,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:39,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:39,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:39,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:39,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (1/1) ... [2024-11-09 04:29:39,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:39,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:39,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:29:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:39,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:39,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:41,792 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:41,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:41,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:41,813 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:41,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:41 BoogieIcfgContainer [2024-11-09 04:29:41,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:41,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:41,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:41,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:41,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:39" (1/3) ... [2024-11-09 04:29:41,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311dd662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:41, skipping insertion in model container [2024-11-09 04:29:41,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:39" (2/3) ... [2024-11-09 04:29:41,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311dd662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:41, skipping insertion in model container [2024-11-09 04:29:41,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:41" (3/3) ... [2024-11-09 04:29:41,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-09 04:29:41,856 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:41,857 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:41,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:41,956 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;@77e1735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:41,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:29:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 04:29:41,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:41,976 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:41,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:41,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2098123540, now seen corresponding path program 1 times [2024-11-09 04:29:41,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476004890] [2024-11-09 04:29:41,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:42,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:42,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:29:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:42,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:29:42,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-09 04:29:42,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:29:42,417 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:42,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476004890] [2024-11-09 04:29:42,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476004890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:42,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:42,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:29:42,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023188653] [2024-11-09 04:29:42,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:42,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:29:42,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:42,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:29:42,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:29:42,451 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:29:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:42,477 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-09 04:29:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:29:42,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2024-11-09 04:29:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:42,487 INFO L225 Difference]: With dead ends: 85 [2024-11-09 04:29:42,488 INFO L226 Difference]: Without dead ends: 42 [2024-11-09 04:29:42,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:29:42,495 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:42,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:29:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-09 04:29:42,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-09 04:29:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 04:29:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-09 04:29:42,614 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2024-11-09 04:29:42,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:42,622 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-09 04:29:42,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:29:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-09 04:29:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 04:29:42,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:42,638 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:42,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:29:42,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:42,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:42,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:42,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2114642268, now seen corresponding path program 1 times [2024-11-09 04:29:42,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:42,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001323144] [2024-11-09 04:29:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:42,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:29:42,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:42,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:29:42,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:29:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:43,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 04:29:43,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 04:30:30,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:32:22,781 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse43 ((_ sign_extend 24) c_~var_1_2~0)) (.cse45 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (bvslt .cse45 (_ bv0 32))) (.cse15 (= (_ bv4 32) .cse43)) (.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse42 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse45)))) (.cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse45))) (.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse44 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse23 (bvslt .cse45 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse26 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse22 (not .cse23)) (.cse6 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0)))) (.cse7 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0))))) (.cse10 (not .cse4)) (.cse12 (= .cse43 .cse36)) (.cse32 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse20 (= .cse43 .cse42)) (.cse34 (= (_ bv15 32) .cse35)) (.cse17 (not .cse15)) (.cse19 (= (_ bv4 32) .cse42)) (.cse21 (not .cse11)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse18 (= (_ bv4 32) .cse36)) (.cse33 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse13 (or .cse32 .cse33)) (.cse14 (or (not .cse32) .cse33)) (.cse30 (not .cse18)) (.cse29 (not .cse19)) (.cse16 (not .cse34))) (let ((.cse27 (and (or .cse4 (let ((.cse31 (and .cse32 .cse33))) (and (or (and .cse16 (or .cse31 .cse30) (or .cse18 .cse31) .cse15) .cse11) (or (and .cse16 .cse15 (or .cse31 .cse19) (or .cse31 .cse29)) .cse21)))) (or .cse10 (and (or .cse11 (and .cse16 (or (and .cse32 .cse12 .cse33) .cse15) (or .cse17 (and .cse32 .cse33 .cse18)))) (or (and (or .cse17 (and .cse32 .cse33 .cse19)) .cse16 (or (and .cse32 .cse20 .cse33) .cse15)) .cse21))))) (.cse28 (and .cse13 .cse14))) (let ((.cse8 (or .cse11 (and (or .cse18 .cse28) .cse16 (or .cse28 .cse30) .cse15))) (.cse9 (or (and (or .cse28 .cse19) (or .cse28 .cse29) .cse16 .cse15) .cse21)) (.cse24 (or .cse27 .cse7)) (.cse25 (or .cse27 .cse6))) (and (or .cse1 (and .cse2 (or (let ((.cse3 (or (and .cse16 (or .cse17 (and .cse13 .cse14 .cse19)) (or (and .cse20 .cse13 .cse14) .cse15)) .cse21)) (.cse5 (or .cse11 (and (or (and .cse12 .cse13 .cse14) .cse15) .cse16 (or .cse17 (and .cse13 .cse18 .cse14)))))) (and (or (and .cse3 .cse4 .cse5) .cse6) (or .cse7 (and (or (and .cse8 .cse9) .cse4) (or .cse10 (and .cse3 .cse5)))))) .cse22) (or .cse23 (and .cse24 .cse25)))) (or (and (or (and .cse8 .cse2 .cse10 .cse6 .cse9) .cse22) (or .cse23 (and .cse24 .cse2 .cse25))) .cse26))))))) (or (let ((.cse41 (and (or .cse4 (and .cse32 .cse34 .cse15)) (or .cse10 (and (or .cse11 (and .cse32 .cse34 .cse12)) (or (and .cse32 .cse20 .cse34 (or .cse17 .cse19)) .cse21)))))) (let ((.cse39 (or .cse41 .cse7)) (.cse40 (or .cse41 .cse6))) (and (or (and (or (let ((.cse37 (or .cse11 (and .cse34 .cse12))) (.cse38 (or (and .cse20 .cse34) .cse21))) (and (or (and .cse37 .cse4 .cse38) .cse6) (or .cse7 (and (or (and .cse37 .cse38) .cse10) (or .cse4 (and .cse34 .cse15)))))) .cse22) .cse2 (or .cse23 (and .cse39 .cse40))) .cse1) (or .cse26 (and (or .cse23 (and .cse2 .cse39 .cse40)) (or (and .cse34 .cse2 .cse10 .cse15 .cse6) .cse22)))))) (not .cse0)))))) is different from true [2024-11-09 04:32:50,497 WARN L873 $PredicateComparison]: unable to prove that (or (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) is different from true [2024-11-09 04:33:11,354 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse2 (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse4 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5)))))))) (not .cse6)) (or .cse6 (= (_ bv4 32) .cse4)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0))) .cse2) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2024-11-09 04:33:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 04:33:21,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:33:21,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001323144] [2024-11-09 04:33:21,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001323144] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:33:21,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:33:21,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-09 04:33:21,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974116922] [2024-11-09 04:33:21,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:33:21,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:33:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:33:21,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:33:21,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=144, Unknown=3, NotChecked=78, Total=272 [2024-11-09 04:33:21,743 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:33:27,728 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse0 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse3 (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)))) (and (or (and (or .cse0 .cse1) (or .cse0 .cse2)) .cse3) (or (let ((.cse4 (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse6 (let ((.cse10 (= c_~var_1_3~0 (_ bv0 8))) (.cse8 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse7 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse7)) .cse8) (bvslt .cse7 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse9 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse9 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse9 (_ bv0 32))) (= .cse8 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse9)))))))) (not .cse10)) (or .cse10 (= (_ bv4 32) .cse8)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0))) .cse6) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0)))) .cse6) .cse0)))) (and (or .cse4 .cse1) (or .cse4 .cse2))) .cse3))) is different from true [2024-11-09 04:33:29,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:33:35,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:33:37,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:33:39,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:33:41,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:33:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:33:45,779 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2024-11-09 04:33:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:33:45,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2024-11-09 04:33:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:33:45,795 INFO L225 Difference]: With dead ends: 80 [2024-11-09 04:33:45,796 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 04:33:45,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=49, Invalid=145, Unknown=4, NotChecked=108, Total=306 [2024-11-09 04:33:45,798 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 46 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 342 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:33:45,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 305 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 3 Unknown, 342 Unchecked, 21.5s Time] [2024-11-09 04:33:45,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 04:33:45,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2024-11-09 04:33:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 48 states have internal predecessors, (57), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 04:33:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 107 transitions. [2024-11-09 04:33:45,817 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 107 transitions. Word has length 91 [2024-11-09 04:33:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:33:45,818 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 107 transitions. [2024-11-09 04:33:45,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-09 04:33:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2024-11-09 04:33:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 04:33:45,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:33:45,821 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:33:45,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:33:46,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:46,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:33:46,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:33:46,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2116489310, now seen corresponding path program 1 times [2024-11-09 04:33:46,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:33:46,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327998937] [2024-11-09 04:33:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:33:46,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:33:46,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:33:46,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:33:46,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 04:33:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:33:46,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:33:46,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 04:34:20,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:35:50,836 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse36 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse12 (= (_ bv4 32) .cse36)) (.cse38 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse16 (bvslt .cse38 (_ bv0 32))) (.cse28 (not .cse12)) (.cse26 ((_ zero_extend 24) c_~var_1_5~0)) (.cse35 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse38)))) (.cse29 ((_ sign_extend 24) ((_ extract 7 0) .cse38))) (.cse9 (= c_~var_1_3~0 (_ bv0 8))) (.cse37 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (bvslt .cse38 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse20 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse21 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse4 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse19 (not .cse1)) (.cse13 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0)))) (.cse5 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0))))) (.cse6 (not .cse9)) (.cse15 (= .cse36 .cse29)) (.cse23 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (= .cse36 .cse35)) (.cse27 (= (_ bv15 32) .cse26)) (.cse24 (or .cse28 (= (_ bv4 32) .cse35))) (.cse18 (not .cse16)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse25 ((_ zero_extend 24) c_~var_1_9~0))) (let ((.cse14 (or .cse28 (= (_ bv4 32) .cse29))) (.cse10 (or (= .cse25 (_ bv15 32)) (not .cse27))) (.cse11 (= .cse25 .cse26))) (let ((.cse22 (and (or (and .cse23 .cse11 .cse12) .cse9) (or .cse6 (and (or .cse16 (and .cse23 .cse11 .cse14 .cse15)) (or (and .cse23 .cse17 .cse24 .cse10 .cse11) .cse18)))))) (let ((.cse2 (or .cse5 .cse22)) (.cse3 (or .cse22 .cse13))) (and (or (and (or .cse1 (and .cse2 .cse3)) .cse4 (or (let ((.cse7 (or (and .cse17 .cse10 .cse11) .cse18)) (.cse8 (or (and .cse11 .cse14 .cse15) .cse16))) (and (or .cse5 (and (or .cse6 (and .cse7 .cse8)) (or .cse9 (and .cse10 .cse11 .cse12)))) (or (and .cse9 .cse7 .cse8) .cse13))) .cse19)) .cse20) (or .cse21 (and (or (and .cse10 .cse11 .cse4 .cse6 .cse12 .cse13) .cse19) (or .cse1 (and .cse4 .cse2 .cse3)))))))))) (or (let ((.cse34 (and (or .cse9 (and .cse23 .cse27 .cse12)) (or .cse6 (and (or .cse16 (and .cse23 .cse27 .cse15)) (or (and .cse23 .cse17 .cse27 .cse24) .cse18)))))) (let ((.cse32 (or .cse34 .cse5)) (.cse33 (or .cse34 .cse13))) (and (or (and (or (let ((.cse30 (or .cse16 (and .cse27 .cse15))) (.cse31 (or (and .cse17 .cse27) .cse18))) (and (or (and .cse30 .cse9 .cse31) .cse13) (or .cse5 (and (or (and .cse30 .cse31) .cse6) (or .cse9 (and .cse27 .cse12)))))) .cse19) .cse4 (or .cse1 (and .cse32 .cse33))) .cse20) (or .cse21 (and (or .cse1 (and .cse4 .cse32 .cse33)) (or (and .cse27 .cse4 .cse6 .cse12 .cse13) .cse19)))))) (not .cse0))))))) is different from true [2024-11-09 04:36:25,869 WARN L873 $PredicateComparison]: unable to prove that (or (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) is different from true [2024-11-09 04:36:47,943 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse2 (let ((.cse6 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (.cse4 ((_ sign_extend 24) c_~var_1_2~0)) (.cse7 (= c_~var_1_3~0 (_ bv0 8)))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5))))))) .cse6) (not .cse7)) (or (and .cse6 (= (_ bv4 32) .cse4)) .cse7)))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)) (or .cse2 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)) is different from true [2024-11-09 04:37:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 04:37:05,060 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:37:05,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327998937] [2024-11-09 04:37:05,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327998937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:37:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1503162558] [2024-11-09 04:37:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:05,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:37:05,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:37:05,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:37:05,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 04:37:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:05,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:37:05,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 04:37:46,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:39:18,448 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse38 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse6 (= (_ bv4 32) .cse38)) (.cse41 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse13 (= c_~var_1_3~0 (_ bv0 8))) (.cse31 ((_ sign_extend 24) ((_ extract 7 0) .cse41))) (.cse19 (bvslt .cse41 (_ bv0 32))) (.cse30 (not .cse6)) (.cse39 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse41)))) (.cse29 ((_ zero_extend 24) c_~var_1_5~0)) (.cse40 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse9 (bvslt .cse41 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse24 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse4 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse8 (not .cse9)) (.cse7 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse40) c_~var_1_14~0)))) (.cse16 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse40) c_~var_1_14~0))))) (.cse32 (= (_ bv15 32) .cse29)) (.cse20 (= .cse38 .cse39)) (.cse27 (or .cse30 (= (_ bv4 32) .cse39))) (.cse21 (not .cse19)) (.cse26 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse18 (= .cse38 .cse31)) (.cse5 (not .cse13))) (and (or .cse0 (let ((.cse28 ((_ zero_extend 24) c_~var_1_9~0))) (let ((.cse22 (not .cse32)) (.cse23 (= .cse28 (_ bv15 32))) (.cse17 (or .cse30 (= (_ bv4 32) .cse31))) (.cse3 (= .cse28 .cse29))) (let ((.cse25 (and (or (and (or .cse21 (and .cse26 .cse20 .cse27 .cse3)) (or .cse22 (and (or .cse19 (and .cse26 .cse23 .cse17 .cse18)) (or (and .cse26 .cse20 .cse27 .cse23) .cse21))) (or .cse19 (and .cse26 .cse3 .cse17 .cse18))) .cse5) (or (and .cse26 .cse3 .cse6) .cse13)))) (let ((.cse10 (or .cse16 .cse25)) (.cse11 (or .cse7 .cse25)) (.cse2 (or .cse23 .cse22))) (and (or .cse1 (and (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse9 (and .cse10 .cse11 .cse4)))) (or (and (or .cse9 (and .cse10 .cse11)) .cse4 (or (let ((.cse12 (or .cse22 (and (or (and .cse20 .cse23) .cse21) (or .cse19 (and .cse23 .cse18))))) (.cse14 (or (and .cse20 .cse3) .cse21)) (.cse15 (or (and .cse3 .cse17 .cse18) .cse19))) (and (or (and .cse12 .cse13 .cse14 .cse15) .cse7) (or .cse16 (and (or (and .cse12 .cse14 .cse15) .cse5) (or .cse13 (and .cse2 .cse3 .cse6)))))) .cse8)) .cse24))))))) (or (not .cse0) (let ((.cse37 (and (or .cse13 (and .cse26 .cse32 .cse6)) (or (and .cse32 (or (and .cse26 .cse20 .cse27) .cse21) (or (and .cse26 .cse18) .cse19)) .cse5)))) (let ((.cse33 (or .cse16 .cse37)) (.cse34 (or .cse37 .cse7))) (and (or .cse1 (and (or (and .cse33 .cse4 .cse34) .cse9) (or (and .cse32 .cse4 .cse5 .cse6 .cse7) .cse8))) (or .cse24 (and (or .cse9 (and .cse33 .cse34)) .cse4 (or (let ((.cse35 (or .cse19 .cse18)) (.cse36 (or .cse20 .cse21))) (and (or .cse16 (and (or .cse13 (and .cse32 .cse6)) (or .cse5 (and .cse32 .cse35 .cse36)))) (or (and .cse32 .cse35 .cse13 .cse36) .cse7))) .cse8)))))))))))) is different from true [2024-11-09 04:40:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 04:40:20,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1503162558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:40:20,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111664548] [2024-11-09 04:40:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:20,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:40:20,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:40:20,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:40:20,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef90f51c-4f70-460c-be1b-6437823d54d6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:40:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:20,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 04:40:20,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 114 proven. 42 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 04:41:54,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:43:28,577 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse35 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse40 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 (= (_ bv4 32) .cse35)) (.cse34 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse15 (bvslt .cse34 (_ bv0 32))) (.cse38 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse34)))) (.cse37 (not .cse8)) (.cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse34))) (.cse39 ((_ zero_extend 24) c_~var_1_9~0)) (.cse7 (= (_ bv15 32) .cse40))) (let ((.cse27 (not .cse7)) (.cse28 (= .cse39 (_ bv15 32))) (.cse26 (or .cse37 (= (_ bv4 32) .cse36))) (.cse25 (= .cse39 .cse40)) (.cse33 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse13 (= .cse35 .cse38)) (.cse32 (or .cse37 (= (_ bv4 32) .cse38))) (.cse14 (not .cse15)) (.cse31 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse16 (= .cse35 .cse36)) (.cse9 (not .cse6))) (let ((.cse1 (bvslt .cse34 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse29 (and (or .cse6 (and .cse31 .cse7 .cse8)) (or (and .cse7 (or (and .cse31 .cse13 .cse32) .cse14) (or (and .cse31 .cse16) .cse15)) .cse9))) (.cse18 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (.cse12 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse33) c_~var_1_14~0)))) (.cse5 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse33) c_~var_1_14~0))))) (.cse30 (and (or (and (or .cse14 (and .cse31 .cse13 .cse32 .cse25)) (or .cse27 (and (or .cse15 (and .cse31 .cse28 .cse26 .cse16)) (or (and .cse31 .cse13 .cse32 .cse28) .cse14))) (or .cse15 (and .cse31 .cse25 .cse26 .cse16))) .cse9) (or (and .cse31 .cse25 .cse8) .cse6)))) (let ((.cse24 (or .cse28 .cse27)) (.cse19 (or .cse5 .cse30)) (.cse20 (or .cse12 .cse30)) (.cse0 (not .cse18)) (.cse2 (or .cse5 .cse29)) (.cse3 (or .cse29 .cse12)) (.cse4 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse17 (not .cse1))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (and (or .cse0 (and (or .cse1 (and .cse2 .cse3)) .cse4 (or (let ((.cse10 (or .cse15 .cse16)) (.cse11 (or .cse13 .cse14))) (and (or .cse5 (and (or .cse6 (and .cse7 .cse8)) (or .cse9 (and .cse7 .cse10 .cse11)))) (or (and .cse7 .cse10 .cse6 .cse11) .cse12))) .cse17))) (or .cse18 (and (or .cse1 (and .cse19 .cse20)) .cse4 (or (let ((.cse21 (or .cse27 (and (or (and .cse13 .cse28) .cse14) (or .cse15 (and .cse28 .cse16))))) (.cse22 (or (and .cse13 .cse25) .cse14)) (.cse23 (or (and .cse25 .cse26 .cse16) .cse15))) (and (or (and .cse21 .cse6 .cse22 .cse23) .cse12) (or .cse5 (and (or (and .cse21 .cse22 .cse23) .cse9) (or .cse6 (and .cse24 .cse25 .cse8)))))) .cse17))))) (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse18 (and (or (and .cse24 .cse25 .cse4 .cse9 .cse8 .cse12) .cse17) (or .cse1 (and .cse19 .cse20 .cse4)))) (or .cse0 (and (or (and .cse2 .cse4 .cse3) .cse1) (or (and .cse7 .cse4 .cse9 .cse8 .cse12) .cse17)))))))))))) is different from true [2024-11-09 04:44:39,989 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 24 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:44:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 04:44:45,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111664548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:44:45,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:44:45,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11, 11, 11, 11] total 34 [2024-11-09 04:44:45,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746133718] [2024-11-09 04:44:45,829 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:44:45,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 04:44:45,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:45,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 04:44:45,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=606, Unknown=5, NotChecked=290, Total=1122 [2024-11-09 04:44:45,835 INFO L87 Difference]: Start difference. First operand 75 states and 107 transitions. Second operand has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 6 states have call successors, (32), 4 states have call predecessors, (32), 8 states have return successors, (35), 6 states have call predecessors, (35), 6 states have call successors, (35)