./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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 71592c21a828683409fd35e3c804ae28adae470b26e65a289a52fb5caf24a9a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:31:17,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:31:18,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:31:18,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:31:18,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:31:18,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:31:18,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:31:18,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:31:18,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:31:18,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:31:18,162 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:31:18,162 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:31:18,163 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:31:18,163 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:31:18,163 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:31:18,164 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:31:18,164 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:31:18,165 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:31:18,165 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:31:18,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:31:18,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:31:18,171 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:31:18,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:31:18,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:31:18,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:31:18,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:31:18,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:31:18,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:31:18,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:31:18,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:31:18,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:31:18,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:31:18,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:31:18,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:31:18,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:31:18,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:31:18,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:31:18,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:31:18,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:31:18,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:31:18,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:31:18,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:31:18,188 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:31:18,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:31:18,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:31:18,190 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:31:18,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:31:18,191 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71592c21a828683409fd35e3c804ae28adae470b26e65a289a52fb5caf24a9a0 [2024-11-09 05:31:18,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:31:18,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:31:18,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:31:18,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:31:18,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:31:18,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i Unable to find full path for "g++" [2024-11-09 05:31:21,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:31:21,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:31:21,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i [2024-11-09 05:31:21,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/d7b44d8d6/682bb08ed1ea465a81e03d52c04623c5/FLAG09cc6cd42 [2024-11-09 05:31:21,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/d7b44d8d6/682bb08ed1ea465a81e03d52c04623c5 [2024-11-09 05:31:21,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:31:21,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:31:21,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:31:21,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:31:21,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:31:21,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3e84fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21, skipping insertion in model container [2024-11-09 05:31:21,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:31:21,649 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i[913,926] [2024-11-09 05:31:21,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:31:21,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:31:21,760 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i[913,926] [2024-11-09 05:31:21,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:31:21,816 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:31:21,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21 WrapperNode [2024-11-09 05:31:21,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:31:21,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:31:21,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:31:21,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:31:21,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,874 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-09 05:31:21,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:31:21,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:31:21,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:31:21,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:31:21,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:31:21,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:31:21,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:31:21,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:31:21,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (1/1) ... [2024-11-09 05:31:21,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:31:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:31:21,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:31:21,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:31:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:31:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:31:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:31:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:31:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:31:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:31:22,183 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:31:22,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:31:22,647 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:31:22,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:31:22,986 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:31:22,987 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:31:22,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:22 BoogieIcfgContainer [2024-11-09 05:31:22,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:31:22,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:31:22,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:31:22,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:31:22,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:31:21" (1/3) ... [2024-11-09 05:31:22,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:22, skipping insertion in model container [2024-11-09 05:31:22,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:21" (2/3) ... [2024-11-09 05:31:22,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:22, skipping insertion in model container [2024-11-09 05:31:22,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:22" (3/3) ... [2024-11-09 05:31:23,000 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-64.i [2024-11-09 05:31:23,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:31:23,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:31:23,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:31:23,186 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;@77affe1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:31:23,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:31:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:31:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:31:23,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:31:23,205 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:31:23,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:31:23,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:31:23,213 INFO L85 PathProgramCache]: Analyzing trace with hash -678287127, now seen corresponding path program 1 times [2024-11-09 05:31:23,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:31:23,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508023832] [2024-11-09 05:31:23,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:31:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:31:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:31:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612549111] [2024-11-09 05:31:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:31:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:31:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:31:23,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:31:23,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:31:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:31:24,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:31:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:31:24,474 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:31:24,477 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:31:24,479 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:31:24,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:31:24,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:31:24,691 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:31:24,842 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:31:24,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:31:24 BoogieIcfgContainer [2024-11-09 05:31:24,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:31:24,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:31:24,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:31:24,865 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:31:24,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:22" (3/4) ... [2024-11-09 05:31:24,869 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:31:24,871 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:31:24,873 INFO L158 Benchmark]: Toolchain (without parser) took 3533.45ms. Allocated memory is still 161.5MB. Free memory was 126.7MB in the beginning and 129.1MB in the end (delta: -2.4MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,874 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:31:24,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.01ms. Allocated memory is still 161.5MB. Free memory was 126.7MB in the beginning and 121.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.86ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 119.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,877 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 117.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:31:24,878 INFO L158 Benchmark]: RCFGBuilder took 1071.47ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 74.3MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,879 INFO L158 Benchmark]: TraceAbstraction took 1858.74ms. Allocated memory is still 161.5MB. Free memory was 73.6MB in the beginning and 63.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,883 INFO L158 Benchmark]: Witness Printer took 21.21ms. Allocated memory is still 161.5MB. Free memory was 63.8MB in the beginning and 129.1MB in the end (delta: -65.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-09 05:31:24,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.01ms. Allocated memory is still 161.5MB. Free memory was 126.7MB in the beginning and 121.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.86ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 119.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 117.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1071.47ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 74.3MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1858.74ms. Allocated memory is still 161.5MB. Free memory was 73.6MB in the beginning and 63.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 21.21ms. Allocated memory is still 161.5MB. Free memory was 63.8MB in the beginning and 129.1MB in the end (delta: -65.3MB). Peak memory consumption was 5.0MB. 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 shiftRight at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] signed long int last_1_var_1_1 = -2; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L91] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L95] var_1_15 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L97] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L98] var_1_16 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L101] var_1_17 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L103] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L104] var_1_20 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L106] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L107] var_1_21 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L109] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L110] var_1_22 = __VERIFIER_nondet_short() [L111] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L112] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L113] var_1_24 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L115] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L116] var_1_26 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L118] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L119] var_1_27 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L121] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L135] RET updateVariables() [L136] CALL step() [L46] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L47] signed long int stepLocal_1 = (var_1_26 - var_1_27) + var_1_19; [L48] COND TRUE stepLocal_1 > var_1_22 [L49] var_1_25 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) [L53] signed long int stepLocal_0 = var_1_11 - (var_1_12 - var_1_13); [L54] EXPR var_1_25 >> var_1_19 [L54] COND TRUE (var_1_25 >> var_1_19) < stepLocal_0 [L55] var_1_10 = (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L59] COND TRUE var_1_10 != var_1_25 [L60] var_1_18 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L62] COND FALSE !(! ((64 * var_1_18) < var_1_18)) [L65] COND FALSE !(-8 <= var_1_10) [L70] COND TRUE 128 < var_1_19 [L71] var_1_1 = var_1_10 [L76] COND TRUE (var_1_1 * var_1_1) < var_1_18 [L77] COND TRUE var_1_1 < var_1_13 [L78] var_1_28 = 64u [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L127] EXPR var_1_25 >> var_1_19 [L127] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L127-L128] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-61, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=67108865, var_1_19=130, var_1_1=-61, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=63, var_1_26=0, var_1_27=1, var_1_28=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-61, var_1_11=0, var_1_12=1073741824, var_1_13=67108865, var_1_14=-62, var_1_15=2, var_1_16=1, var_1_17=63, var_1_18=67108865, var_1_19=130, var_1_1=-61, var_1_20=16383, var_1_21=16252, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=63, var_1_26=0, var_1_27=1, var_1_28=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 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 05:31:24,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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 71592c21a828683409fd35e3c804ae28adae470b26e65a289a52fb5caf24a9a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:31:27,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:31:27,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:31:27,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:31:27,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:31:28,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:31:28,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:31:28,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:31:28,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:31:28,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:31:28,040 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:31:28,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:31:28,042 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:31:28,042 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:31:28,042 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:31:28,046 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:31:28,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:31:28,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:31:28,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:31:28,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:31:28,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:31:28,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:31:28,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:31:28,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:31:28,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:31:28,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:31:28,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:31:28,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:31:28,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:31:28,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:31:28,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:31:28,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:31:28,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:31:28,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:31:28,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:31:28,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:31:28,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:31:28,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:31:28,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:31:28,060 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:31:28,061 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:31:28,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:31:28,062 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:31:28,063 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71592c21a828683409fd35e3c804ae28adae470b26e65a289a52fb5caf24a9a0 [2024-11-09 05:31:28,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:31:28,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:31:28,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:31:28,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:31:28,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:31:28,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i Unable to find full path for "g++" [2024-11-09 05:31:30,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:31:31,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:31:31,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i [2024-11-09 05:31:31,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/93b1a9753/8594b8f8823a41bdb5834e2c896a24b3/FLAG4d5eb779c [2024-11-09 05:31:31,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/data/93b1a9753/8594b8f8823a41bdb5834e2c896a24b3 [2024-11-09 05:31:31,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:31:31,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:31:31,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:31:31,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:31:31,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:31:31,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:31" (1/1) ... [2024-11-09 05:31:31,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f4d53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:31, skipping insertion in model container [2024-11-09 05:31:31,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:31" (1/1) ... [2024-11-09 05:31:31,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:31:31,794 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i[913,926] [2024-11-09 05:31:31,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:31:31,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:31:31,940 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_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-64.i[913,926] [2024-11-09 05:31:32,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:31:32,081 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:31:32,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32 WrapperNode [2024-11-09 05:31:32,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:31:32,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:31:32,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:31:32,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:31:32,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,163 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-09 05:31:32,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:31:32,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:31:32,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:31:32,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:31:32,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:31:32,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:31:32,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:31:32,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:31:32,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (1/1) ... [2024-11-09 05:31:32,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:31:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:31:32,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:31:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:31:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:31:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:31:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:31:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:31:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:31:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:31:32,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:31:32,476 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:31:33,092 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 05:31:33,092 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:31:33,118 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:31:33,119 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:31:33,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:33 BoogieIcfgContainer [2024-11-09 05:31:33,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:31:33,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:31:33,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:31:33,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:31:33,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:31:31" (1/3) ... [2024-11-09 05:31:33,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7030eb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:33, skipping insertion in model container [2024-11-09 05:31:33,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:32" (2/3) ... [2024-11-09 05:31:33,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7030eb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:31:33, skipping insertion in model container [2024-11-09 05:31:33,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:31:33" (3/3) ... [2024-11-09 05:31:33,133 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-64.i [2024-11-09 05:31:33,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:31:33,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:31:33,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:31:33,282 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;@45ab09c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:31:33,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:31:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:31:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 05:31:33,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:31:33,318 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:31:33,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:31:33,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:31:33,327 INFO L85 PathProgramCache]: Analyzing trace with hash -7215033, now seen corresponding path program 1 times [2024-11-09 05:31:33,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:31:33,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180476950] [2024-11-09 05:31:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:31:33,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:31:33,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:31:33,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:31:33,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:31:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:31:33,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:31:33,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:31:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-09 05:31:33,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:31:33,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:31:33,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180476950] [2024-11-09 05:31:33,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180476950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:31:33,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:31:33,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:31:33,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125072314] [2024-11-09 05:31:33,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:31:33,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:31:33,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:31:33,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:31:33,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:31:33,869 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:31:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:31:33,926 INFO L93 Difference]: Finished difference Result 129 states and 230 transitions. [2024-11-09 05:31:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:31:33,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-11-09 05:31:33,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:31:33,942 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:31:33,943 INFO L226 Difference]: Without dead ends: 64 [2024-11-09 05:31:33,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:31:33,956 INFO L432 NwaCegarLoop]: 98 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, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:31:33,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:31:33,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-09 05:31:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-09 05:31:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:31:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2024-11-09 05:31:34,027 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 160 [2024-11-09 05:31:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:31:34,028 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2024-11-09 05:31:34,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:31:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2024-11-09 05:31:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 05:31:34,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:31:34,033 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:31:34,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:31:34,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:31:34,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:31:34,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:31:34,240 INFO L85 PathProgramCache]: Analyzing trace with hash 849469191, now seen corresponding path program 1 times [2024-11-09 05:31:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:31:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085878862] [2024-11-09 05:31:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:31:34,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:31:34,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:31:34,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:31:34,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a9ffd5-8d55-4bef-88ed-806e92dd1bf9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:31:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:31:35,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 05:31:35,620 INFO L278 TraceCheckSpWp]: Computing forward predicates...