./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 d798965d86660c5110959c1d057cdab017d50d3759f8bb695ae6218245b649d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:55:42,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:55:43,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:55:43,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:55:43,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:55:43,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:55:43,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:55:43,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:55:43,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:55:43,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:55:43,179 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:55:43,179 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:55:43,180 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:55:43,180 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:55:43,183 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:55:43,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:55:43,184 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:55:43,185 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:55:43,185 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:55:43,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:55:43,186 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:55:43,186 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:55:43,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:55:43,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:55:43,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:55:43,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:55:43,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:55:43,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:55:43,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:55:43,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:55:43,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:55:43,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:55:43,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:55:43,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:55:43,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:55:43,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:55:43,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:55:43,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:55:43,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:43,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:55:43,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:55:43,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:55:43,219 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:55:43,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:55:43,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:55:43,220 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:55:43,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:55:43,221 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d798965d86660c5110959c1d057cdab017d50d3759f8bb695ae6218245b649d7 [2024-11-09 04:55:43,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:55:43,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:55:43,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:55:43,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:55:43,628 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:55:43,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i Unable to find full path for "g++" [2024-11-09 04:55:46,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:55:46,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:55:46,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i [2024-11-09 04:55:46,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/9d1be93e2/dbdb2c9692b1489fa85ef48d79340e4a/FLAGf1a1f87eb [2024-11-09 04:55:46,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/9d1be93e2/dbdb2c9692b1489fa85ef48d79340e4a [2024-11-09 04:55:46,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:55:46,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:55:46,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:46,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:55:46,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:55:46,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:46" (1/1) ... [2024-11-09 04:55:46,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71689efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:46, skipping insertion in model container [2024-11-09 04:55:46,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:46" (1/1) ... [2024-11-09 04:55:46,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:55:46,954 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i[918,931] [2024-11-09 04:55:47,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:47,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:55:47,087 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i[918,931] [2024-11-09 04:55:47,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:47,190 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:55:47,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47 WrapperNode [2024-11-09 04:55:47,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:47,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:47,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:55:47,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:55:47,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,292 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-09 04:55:47,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:47,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:55:47,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:55:47,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:55:47,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:55:47,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:55:47,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:55:47,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:55:47,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (1/1) ... [2024-11-09 04:55:47,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:47,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:55:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:55:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:55:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:55:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:55:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:55:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:55:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:55:47,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:55:47,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:55:48,350 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 04:55:48,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:55:48,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:55:48,940 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:55:48,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:48 BoogieIcfgContainer [2024-11-09 04:55:48,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:55:48,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:55:48,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:55:48,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:55:48,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:55:46" (1/3) ... [2024-11-09 04:55:48,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3291ab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:55:48, skipping insertion in model container [2024-11-09 04:55:48,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:47" (2/3) ... [2024-11-09 04:55:48,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3291ab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:55:48, skipping insertion in model container [2024-11-09 04:55:48,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:48" (3/3) ... [2024-11-09 04:55:48,955 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i [2024-11-09 04:55:48,979 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:55:48,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:55:49,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:55:49,062 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;@7c2d67e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:55:49,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:55:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:55:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 04:55:49,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:49,079 INFO L215 NwaCegarLoop]: trace histogram [19, 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 04:55:49,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:49,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:49,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1141431494, now seen corresponding path program 1 times [2024-11-09 04:55:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:55:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044782574] [2024-11-09 04:55:49,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:49,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:55:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:55:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162201528] [2024-11-09 04:55:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:49,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:49,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:49,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:55:49,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:55:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:55:50,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:55:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:55:50,714 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:55:50,717 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:55:50,719 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:55:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:50,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:55:50,927 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:55:51,075 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:55:51,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:55:51 BoogieIcfgContainer [2024-11-09 04:55:51,087 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:55:51,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:55:51,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:55:51,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:55:51,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:55:48" (3/4) ... [2024-11-09 04:55:51,094 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:55:51,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:55:51,098 INFO L158 Benchmark]: Toolchain (without parser) took 4448.84ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 117.2MB in the beginning and 145.4MB in the end (delta: -28.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-09 04:55:51,100 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:55:51,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.94ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 99.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:55:51,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.28ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 96.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:55:51,106 INFO L158 Benchmark]: Boogie Preprocessor took 52.58ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:55:51,107 INFO L158 Benchmark]: RCFGBuilder took 1594.75ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 94.2MB in the beginning and 139.5MB in the end (delta: -45.3MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-09 04:55:51,109 INFO L158 Benchmark]: TraceAbstraction took 2141.37ms. Allocated memory is still 209.7MB. Free memory was 139.5MB in the beginning and 145.4MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:55:51,110 INFO L158 Benchmark]: Witness Printer took 8.03ms. Allocated memory is still 209.7MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:55:51,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.94ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 99.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.28ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 96.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.58ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.75ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 94.2MB in the beginning and 139.5MB in the end (delta: -45.3MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2141.37ms. Allocated memory is still 209.7MB. Free memory was 139.5MB in the beginning and 145.4MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.03ms. Allocated memory is still 209.7MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 161, overapproximation of bitwiseOr at line 63, overapproximation of shiftLeft at line 95, overapproximation of shiftRight at line 123, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_23 = 64; [L38] unsigned short int var_1_26 = 32; [L39] unsigned short int var_1_28 = 64; [L40] float var_1_30 = -0.2; [L41] float var_1_32 = -0.375; [L42] float var_1_33 = 1.4; [L43] float var_1_35 = 1.5; [L44] unsigned char last_1_var_1_10 = 32; [L45] unsigned short int last_1_var_1_12 = 16; [L46] unsigned long int last_1_var_1_13 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_13 = var_1_13 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_3 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L136] var_1_5 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] var_1_6 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_9=9/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_9=9/5] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L156] var_1_30 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L158] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L159] var_1_32 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L161] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=274, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1] [L177] RET updateVariables() [L178] CALL step() [L50] COND TRUE var_1_15 || var_1_15 [L51] var_1_19 = ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) [L53] COND FALSE !(((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) == (~ 16u)) [L58] COND FALSE !(var_1_11 <= var_1_12) [L63] EXPR 2 ^ ((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6))) [L63] COND FALSE !(var_1_11 > (2 ^ ((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6))))) [L70] var_1_26 = var_1_6 [L73] COND FALSE !((var_1_9 / var_1_30) > ((((var_1_8 / var_1_32) < 0 ) ? -(var_1_8 / var_1_32) : (var_1_8 / var_1_32)))) [L78] var_1_33 = var_1_8 [L79] COND TRUE ((256 - var_1_11) <= (var_1_11 + var_1_10)) || var_1_15 [L80] COND TRUE \read(var_1_15) [L81] COND FALSE !(((var_1_10 == var_1_6) && var_1_15) && var_1_15) [L86] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L87] var_1_12 = var_1_6 [L89] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; [L90] COND TRUE var_1_6 <= stepLocal_2 [L91] var_1_10 = var_1_11 [L95] EXPR 1 << var_1_10 [L95] COND FALSE !((1 << var_1_10) != (-500 / -100)) [L102] var_1_13 = var_1_6 [L104] var_1_18 = var_1_3 [L105] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L106] unsigned char stepLocal_3 = var_1_10; [L107] COND FALSE !((- var_1_9) <= var_1_8) [L120] var_1_16 = var_1_10 [L122] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; [L123] EXPR var_1_16 >> var_1_3 [L123] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L124] COND TRUE stepLocal_0 == (var_1_10 / var_1_5) [L125] EXPR var_1_3 << (var_1_6 - var_1_7) [L125] COND FALSE !((var_1_3 << (var_1_6 - var_1_7)) > stepLocal_1) [L128] var_1_1 = var_1_8 [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR var_1_16 >> var_1_3 [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L169] EXPR var_1_3 << (var_1_6 - var_1_7) [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L169-L170] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=274, var_1_11=274, var_1_12=7, var_1_13=7, var_1_15=1, var_1_16=18, var_1_18=0, var_1_19=0, var_1_1=2, var_1_23=64, var_1_26=7, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=274, var_1_11=274, var_1_12=7, var_1_13=7, var_1_15=1, var_1_16=18, var_1_18=0, var_1_19=0, var_1_1=2, var_1_23=64, var_1_26=7, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=7, var_1_7=1, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 19, 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: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 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 04:55:51,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 d798965d86660c5110959c1d057cdab017d50d3759f8bb695ae6218245b649d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:55:54,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:55:54,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:55:54,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:55:54,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:55:54,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:55:54,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:55:54,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:55:54,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:55:54,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:55:54,417 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:55:54,418 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:55:54,418 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:55:54,418 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:55:54,421 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:55:54,422 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:55:54,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:55:54,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:55:54,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:55:54,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:55:54,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:55:54,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:55:54,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:55:54,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:55:54,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:55:54,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:55:54,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:55:54,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:55:54,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:55:54,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:55:54,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:55:54,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:55:54,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:55:54,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:55:54,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:55:54,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:54,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:55:54,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:55:54,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:55:54,436 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:55:54,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:55:54,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:55:54,438 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:55:54,438 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d798965d86660c5110959c1d057cdab017d50d3759f8bb695ae6218245b649d7 [2024-11-09 04:55:54,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:55:55,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:55:55,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:55:55,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:55:55,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:55:55,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i Unable to find full path for "g++" [2024-11-09 04:55:57,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:55:58,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:55:58,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i [2024-11-09 04:55:58,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/fac817b7f/20085e4276714f08a0798b6dc93a8d41/FLAG4b9b0cdfd [2024-11-09 04:55:58,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/data/fac817b7f/20085e4276714f08a0798b6dc93a8d41 [2024-11-09 04:55:58,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:55:58,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:55:58,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:58,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:55:58,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:55:58,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:58,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bb51ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58, skipping insertion in model container [2024-11-09 04:55:58,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:58,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:55:58,532 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i[918,931] [2024-11-09 04:55:58,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:58,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:55:58,742 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_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i[918,931] [2024-11-09 04:55:58,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:55:58,886 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:55:58,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58 WrapperNode [2024-11-09 04:55:58,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:55:58,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:58,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:55:58,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:55:58,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:58,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:58,983 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2024-11-09 04:55:58,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:55:58,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:55:58,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:55:58,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:55:59,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:55:59,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:55:59,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:55:59,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:55:59,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (1/1) ... [2024-11-09 04:55:59,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:55:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:59,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:55:59,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:55:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:55:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:55:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:55:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:55:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:55:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:55:59,304 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:55:59,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:56:04,759 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 04:56:04,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:56:04,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:56:04,784 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:56:04,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:56:04 BoogieIcfgContainer [2024-11-09 04:56:04,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:56:04,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:56:04,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:56:04,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:56:04,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:55:58" (1/3) ... [2024-11-09 04:56:04,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7166c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:56:04, skipping insertion in model container [2024-11-09 04:56:04,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:55:58" (2/3) ... [2024-11-09 04:56:04,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7166c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:56:04, skipping insertion in model container [2024-11-09 04:56:04,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:56:04" (3/3) ... [2024-11-09 04:56:04,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-9.i [2024-11-09 04:56:04,825 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:56:04,826 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:56:04,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:56:04,913 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;@383a3a44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:56:04,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:56:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:56:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 04:56:04,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:04,937 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:56:04,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:56:04,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:04,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1547985613, now seen corresponding path program 1 times [2024-11-09 04:56:04,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:56:04,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933722252] [2024-11-09 04:56:04,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:04,959 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 04:56:04,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:56:04,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:04,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:07,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:56:07,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-09 04:56:07,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:56:07,285 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:56:07,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933722252] [2024-11-09 04:56:07,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933722252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:56:07,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:56:07,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:56:07,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838865451] [2024-11-09 04:56:07,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:56:07,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:56:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:56:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:56:07,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:56:07,329 INFO L87 Difference]: Start difference. First operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:56:07,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:56:07,371 INFO L93 Difference]: Finished difference Result 140 states and 245 transitions. [2024-11-09 04:56:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:56:07,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 129 [2024-11-09 04:56:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:56:07,392 INFO L225 Difference]: With dead ends: 140 [2024-11-09 04:56:07,392 INFO L226 Difference]: Without dead ends: 69 [2024-11-09 04:56:07,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 04:56:07,404 INFO L432 NwaCegarLoop]: 106 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, 106 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 04:56:07,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:56:07,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-09 04:56:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-09 04:56:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:56:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2024-11-09 04:56:07,469 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 129 [2024-11-09 04:56:07,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:56:07,470 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2024-11-09 04:56:07,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:56:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2024-11-09 04:56:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 04:56:07,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:07,476 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:56:07,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:07,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:07,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:56:07,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1208272600, now seen corresponding path program 1 times [2024-11-09 04:56:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:56:07,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036115873] [2024-11-09 04:56:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:07,685 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 04:56:07,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:56:07,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:07,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:56:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:09,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:56:09,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 120 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-09 04:56:26,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:30,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:56:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036115873] [2024-11-09 04:56:30,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036115873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:30,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1906253154] [2024-11-09 04:56:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:30,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:56:30,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:56:30,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:56:30,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:56:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:34,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:56:34,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 320 proven. 99 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-09 04:56:45,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:47,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1906253154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:47,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534632670] [2024-11-09 04:56:47,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:47,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:47,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:47,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:56:47,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:56:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:48,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:56:48,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 120 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-09 04:56:59,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:01,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534632670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:01,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:01,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 16] total 17 [2024-11-09 04:57:01,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317703381] [2024-11-09 04:57:01,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:57:01,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 04:57:01,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:57:01,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 04:57:01,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-09 04:57:01,943 INFO L87 Difference]: Start difference. First operand 69 states and 106 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-09 04:57:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:14,494 INFO L93 Difference]: Finished difference Result 238 states and 353 transitions. [2024-11-09 04:57:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 04:57:14,497 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 130 [2024-11-09 04:57:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:14,501 INFO L225 Difference]: With dead ends: 238 [2024-11-09 04:57:14,502 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 04:57:14,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 613 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=427, Invalid=1295, Unknown=0, NotChecked=0, Total=1722 [2024-11-09 04:57:14,505 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 156 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:14,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 582 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-09 04:57:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 04:57:14,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 151. [2024-11-09 04:57:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:57:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 220 transitions. [2024-11-09 04:57:14,563 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 220 transitions. Word has length 130 [2024-11-09 04:57:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:14,565 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 220 transitions. [2024-11-09 04:57:14,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-09 04:57:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2024-11-09 04:57:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 04:57:14,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:14,573 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:14,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 04:57:14,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:57:15,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:15,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:15,174 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:15,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:15,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1909337178, now seen corresponding path program 1 times [2024-11-09 04:57:15,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:15,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190258259] [2024-11-09 04:57:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:15,177 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 04:57:15,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:15,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/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 04:57:15,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f2accf-1fa4-4041-8b5f-a5a9655a9a36/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 04:57:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:17,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 04:57:17,418 INFO L278 TraceCheckSpWp]: Computing forward predicates...