./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:42:06,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:42:06,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:42:06,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:42:06,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:42:06,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:42:06,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:42:06,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:42:06,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:42:06,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:42:06,253 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:42:06,253 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:42:06,254 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:42:06,254 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:42:06,255 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:42:06,256 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:42:06,256 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:42:06,257 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:42:06,257 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:42:06,258 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:42:06,258 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:42:06,259 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:42:06,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:42:06,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:42:06,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:42:06,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:42:06,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:42:06,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:42:06,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:42:06,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:42:06,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:42:06,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:42:06,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:42:06,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:42:06,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:42:06,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:42:06,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:42:06,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:42:06,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:06,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:42:06,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:42:06,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:42:06,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:42:06,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:42:06,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:42:06,274 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:42:06,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:42:06,274 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b [2024-11-09 05:42:06,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:42:06,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:42:06,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:42:06,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:42:06,657 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:42:06,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i Unable to find full path for "g++" [2024-11-09 05:42:08,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:42:09,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:42:09,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2024-11-09 05:42:09,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/fb49d35af/da2e2c44cf384c04886ee13320837995/FLAGc1ee65f00 [2024-11-09 05:42:09,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/fb49d35af/da2e2c44cf384c04886ee13320837995 [2024-11-09 05:42:09,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:42:09,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:42:09,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:09,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:42:09,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:42:09,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb2e164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09, skipping insertion in model container [2024-11-09 05:42:09,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:42:09,324 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-09 05:42:09,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:09,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:42:09,395 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-09 05:42:09,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:09,443 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:42:09,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09 WrapperNode [2024-11-09 05:42:09,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:09,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:09,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:42:09,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:42:09,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,500 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-09 05:42:09,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:09,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:42:09,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:42:09,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:42:09,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:42:09,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:42:09,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:42:09,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:42:09,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (1/1) ... [2024-11-09 05:42:09,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:09,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:09,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:42:09,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:42:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:42:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:42:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:42:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:42:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:42:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:42:09,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:42:09,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:42:09,992 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:42:09,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:42:10,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:42:10,221 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:42:10,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:10 BoogieIcfgContainer [2024-11-09 05:42:10,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:42:10,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:42:10,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:42:10,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:42:10,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:42:09" (1/3) ... [2024-11-09 05:42:10,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff8fea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:10, skipping insertion in model container [2024-11-09 05:42:10,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:09" (2/3) ... [2024-11-09 05:42:10,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff8fea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:10, skipping insertion in model container [2024-11-09 05:42:10,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:10" (3/3) ... [2024-11-09 05:42:10,238 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-63.i [2024-11-09 05:42:10,266 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:42:10,266 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:42:10,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:42:10,346 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@589907f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:42:10,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:42:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:42:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 05:42:10,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:10,359 INFO L215 NwaCegarLoop]: trace histogram [18, 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, 1, 1] [2024-11-09 05:42:10,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:10,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:10,366 INFO L85 PathProgramCache]: Analyzing trace with hash 985599103, now seen corresponding path program 1 times [2024-11-09 05:42:10,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:10,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929537277] [2024-11-09 05:42:10,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:10,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:42:10,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:42:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:42:10,988 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:42:10,991 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:42:10,992 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:42:10,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:42:10,998 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:42:11,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:42:11,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:42:11 BoogieIcfgContainer [2024-11-09 05:42:11,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:42:11,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:42:11,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:42:11,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:42:11,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:10" (3/4) ... [2024-11-09 05:42:11,101 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:42:11,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:42:11,104 INFO L158 Benchmark]: Toolchain (without parser) took 2056.69ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 88.6MB in the end (delta: 33.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,104 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:42:11,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.52ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 105.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,107 INFO L158 Benchmark]: Boogie Preprocessor took 34.17ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 103.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,109 INFO L158 Benchmark]: RCFGBuilder took 681.61ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 128.7MB in the end (delta: -24.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,109 INFO L158 Benchmark]: TraceAbstraction took 866.51ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 89.3MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 05:42:11,110 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 88.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:42:11,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.52ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 105.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.17ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 103.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.61ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 128.7MB in the end (delta: -24.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 866.51ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 89.3MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 88.6MB in the end (delta: 2.6kB). 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 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_6 = 0; [L27] signed long int var_1_7 = 128; [L28] float var_1_8 = 9.8; [L29] unsigned long int var_1_13 = 1; [L30] unsigned long int var_1_14 = 32; [L31] signed char var_1_15 = -10; [L32] signed char var_1_16 = 16; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = 1; [L35] signed char var_1_19 = 0; [L36] signed char var_1_20 = 32; [L37] signed short int var_1_21 = 256; [L38] signed char var_1_22 = 16; [L39] unsigned char var_1_23 = 0; [L40] signed short int last_1_var_1_21 = 256; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_21 = var_1_21 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L64] var_1_3 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L66] var_1_4 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L70] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L71] var_1_8 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L73] var_1_14 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L75] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L76] var_1_16 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L78] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L79] var_1_17 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_17 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_17 >= -1) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L81] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L82] var_1_18 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L84] CALL assume_abort_if_not(var_1_18 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_18 <= 31) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L85] var_1_19 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L87] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L88] var_1_20 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L90] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L104] RET updateVariables() [L105] CALL step() [L44] var_1_13 = var_1_14 [L45] var_1_21 = last_1_var_1_21 [L46] var_1_22 = var_1_16 [L47] var_1_23 = var_1_6 [L48] COND FALSE !(((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) [L51] signed char stepLocal_0 = var_1_22; [L52] COND FALSE !(stepLocal_0 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) [L55] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L56] var_1_7 = (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_23 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : (var_1_7 == ((signed long int) var_1_22)))) && (var_1_13 == ((unsigned long int) var_1_14))) && ((var_1_22 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) ? (var_1_15 == ((signed char) ((((((10 + var_1_16)) < (var_1_17)) ? ((10 + var_1_16)) : (var_1_17))) - ((32 - var_1_18) + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : 1)) && (var_1_21 == ((signed short int) last_1_var_1_21))) && (var_1_22 == ((signed char) var_1_16))) && (var_1_23 == ((unsigned char) var_1_6)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=0, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=256, var_1_13=0, var_1_14=0, var_1_15=-10, var_1_16=0, var_1_17=9, var_1_18=31, var_1_19=8, var_1_1=0, var_1_20=8, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 18, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 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 05:42:11,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:42:13,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:42:13,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:42:13,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:42:13,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:42:13,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:42:13,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:42:13,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:42:13,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:42:13,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:42:13,862 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:42:13,863 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:42:13,863 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:42:13,864 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:42:13,864 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:42:13,866 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:42:13,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:42:13,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:42:13,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:42:13,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:42:13,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:42:13,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:42:13,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:42:13,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:42:13,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:42:13,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:42:13,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:42:13,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:42:13,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:42:13,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:42:13,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:42:13,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:42:13,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:42:13,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:42:13,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:42:13,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:13,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:42:13,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:42:13,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:42:13,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:42:13,881 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:42:13,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:42:13,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:42:13,883 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b [2024-11-09 05:42:14,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:42:14,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:42:14,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:42:14,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:42:14,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:42:14,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i Unable to find full path for "g++" [2024-11-09 05:42:16,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:42:16,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:42:16,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2024-11-09 05:42:16,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/b2da54e1a/a2020729dc4d4a8b918e8ca6e1ce3e0f/FLAG5ec86b354 [2024-11-09 05:42:17,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/data/b2da54e1a/a2020729dc4d4a8b918e8ca6e1ce3e0f [2024-11-09 05:42:17,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:42:17,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:42:17,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:17,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:42:17,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:42:17,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae0cd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17, skipping insertion in model container [2024-11-09 05:42:17,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:42:17,348 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-09 05:42:17,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:17,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:42:17,459 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_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-09 05:42:17,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:17,543 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:42:17,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17 WrapperNode [2024-11-09 05:42:17,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:17,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:17,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:42:17,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:42:17,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,627 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-09 05:42:17,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:17,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:42:17,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:42:17,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:42:17,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:42:17,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:42:17,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:42:17,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:42:17,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (1/1) ... [2024-11-09 05:42:17,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:17,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:17,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:42:17,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:42:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:42:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:42:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:42:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:42:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:42:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:42:17,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:42:17,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:42:20,652 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:42:20,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:42:20,676 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:42:20,676 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:42:20,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:20 BoogieIcfgContainer [2024-11-09 05:42:20,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:42:20,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:42:20,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:42:20,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:42:20,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:42:17" (1/3) ... [2024-11-09 05:42:20,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222ab6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:20, skipping insertion in model container [2024-11-09 05:42:20,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:17" (2/3) ... [2024-11-09 05:42:20,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222ab6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:20, skipping insertion in model container [2024-11-09 05:42:20,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:20" (3/3) ... [2024-11-09 05:42:20,690 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-63.i [2024-11-09 05:42:20,709 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:42:20,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:42:20,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:42:20,783 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;@4760051d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:42:20,787 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:42:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:42:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 05:42:20,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:20,805 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:20,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:20,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:20,812 INFO L85 PathProgramCache]: Analyzing trace with hash -618144507, now seen corresponding path program 1 times [2024-11-09 05:42:20,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:42:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574416292] [2024-11-09 05:42:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:20,832 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 05:42:20,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:42:20,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:20,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:21,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:42:21,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-09 05:42:21,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:42:21,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:42:21,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574416292] [2024-11-09 05:42:21,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574416292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:21,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:21,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:42:21,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831125419] [2024-11-09 05:42:21,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:21,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:42:21,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:42:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:42:21,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:42:21,466 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:42:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:21,497 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-09 05:42:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:42:21,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-09 05:42:21,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:21,509 INFO L225 Difference]: With dead ends: 97 [2024-11-09 05:42:21,510 INFO L226 Difference]: Without dead ends: 48 [2024-11-09 05:42:21,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 05:42:21,517 INFO L432 NwaCegarLoop]: 68 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, 68 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 05:42:21,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:42:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-09 05:42:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-09 05:42:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:42:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2024-11-09 05:42:21,561 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 114 [2024-11-09 05:42:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:21,561 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2024-11-09 05:42:21,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 05:42:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2024-11-09 05:42:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 05:42:21,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:21,567 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:21,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:21,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:21,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:42:21,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1899267081, now seen corresponding path program 1 times [2024-11-09 05:42:21,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:42:21,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781735471] [2024-11-09 05:42:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:21,771 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 05:42:21,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:42:21,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:21,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/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 05:42:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:22,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:42:22,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 321 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 05:42:23,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:42:24,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:42:24,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781735471] [2024-11-09 05:42:24,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781735471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:24,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1349456286] [2024-11-09 05:42:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:24,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:42:24,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:42:24,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:42:24,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bf2013-9f3c-493f-9cb9-dab7c447cea6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:42:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:25,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 05:42:25,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:44:29,739 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 10.0)))) (let ((.cse1 (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)) (.cse0 (fp.lt .cse10 c_~var_1_2~0))) (and (= (_ bv256 16) c_~last_1_var_1_21~0) (or .cse0 (not (fp.gt c_~var_1_2~0 .cse1))) (= (_ bv256 16) c_~var_1_21~0) (= c_~var_1_13~0 c_~var_1_14~0) (let ((.cse9 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse7 (bvneg .cse9)) (.cse6 (bvadd .cse9 ((_ sign_extend 24) c_~var_1_22~0)))) (let ((.cse8 (bvsgt .cse6 .cse9)) (.cse3 (not (bvslt .cse9 (_ bv0 32)))) (.cse4 (= c_~var_1_7~0 .cse7))) (or (and (let ((.cse2 (= c_~var_1_7~0 .cse6)) (.cse5 (bvsgt .cse6 .cse7))) (or (and .cse2 .cse3) (and .cse4 (not .cse5)) (and .cse2 .cse5))) .cse8) (and (not .cse8) (or (and (= c_~var_1_7~0 .cse9) .cse3) (and .cse4 (not (bvsgt .cse9 .cse7))))))))) (or (not (fp.gt .cse10 .cse1)) (not .cse0)) (= c_~var_1_23~0 c_~var_1_6~0) (let ((.cse11 (fp.lt c_~var_1_2~0 c_~var_1_3~0))) (or (and (not .cse11) (fp.leq c_~var_1_4~0 (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_8~0))) (and (fp.leq c_~var_1_4~0 (fp.mul c_currentRoundingMode c_~var_1_2~0 c_~var_1_8~0)) .cse11))) (= c_~var_1_16~0 c_~var_1_22~0)))) is different from false [2024-11-09 05:44:31,761 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 10.0)))) (let ((.cse1 (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)) (.cse0 (fp.lt .cse10 c_~var_1_2~0))) (and (= (_ bv256 16) c_~last_1_var_1_21~0) (or .cse0 (not (fp.gt c_~var_1_2~0 .cse1))) (= (_ bv256 16) c_~var_1_21~0) (= c_~var_1_13~0 c_~var_1_14~0) (let ((.cse9 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse7 (bvneg .cse9)) (.cse6 (bvadd .cse9 ((_ sign_extend 24) c_~var_1_22~0)))) (let ((.cse8 (bvsgt .cse6 .cse9)) (.cse3 (not (bvslt .cse9 (_ bv0 32)))) (.cse4 (= c_~var_1_7~0 .cse7))) (or (and (let ((.cse2 (= c_~var_1_7~0 .cse6)) (.cse5 (bvsgt .cse6 .cse7))) (or (and .cse2 .cse3) (and .cse4 (not .cse5)) (and .cse2 .cse5))) .cse8) (and (not .cse8) (or (and (= c_~var_1_7~0 .cse9) .cse3) (and .cse4 (not (bvsgt .cse9 .cse7))))))))) (or (not (fp.gt .cse10 .cse1)) (not .cse0)) (= c_~var_1_23~0 c_~var_1_6~0) (let ((.cse11 (fp.lt c_~var_1_2~0 c_~var_1_3~0))) (or (and (not .cse11) (fp.leq c_~var_1_4~0 (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_8~0))) (and (fp.leq c_~var_1_4~0 (fp.mul c_currentRoundingMode c_~var_1_2~0 c_~var_1_8~0)) .cse11))) (= c_~var_1_16~0 c_~var_1_22~0)))) is different from true