./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ --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 ae79bf453a9c89f89bbe0ebf3e59117c9995c7b98eb02178d7d3c8f9382afd83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:31,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:31,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:20:31,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:31,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:31,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:31,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:31,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:31,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:31,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:31,208 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:31,208 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:31,209 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:31,210 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:20:31,210 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:31,211 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:31,211 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:20:31,212 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:20:31,213 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:31,213 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:20:31,214 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:20:31,215 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:20:31,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:31,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:31,217 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:31,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:20:31,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:31,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:31,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:31,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:31,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:31,221 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:31,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:31,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:31,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:31,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:31,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:31,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:31,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:31,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:31,226 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:20:31,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:20:31,227 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:31,228 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:31,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:31,228 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_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae79bf453a9c89f89bbe0ebf3e59117c9995c7b98eb02178d7d3c8f9382afd83 [2023-11-19 05:20:31,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:31,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:31,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:31,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:31,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:31,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:35,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:35,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:35,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:35,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/cd05d4059/96348f51b0604395bd531217dc93894d/FLAG5d674eb20 [2023-11-19 05:20:35,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/cd05d4059/96348f51b0604395bd531217dc93894d [2023-11-19 05:20:35,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:35,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:35,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:35,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:35,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:35,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:35,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c33d1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35, skipping insertion in model container [2023-11-19 05:20:35,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:35,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:35,816 WARN L240 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_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i[915,928] [2023-11-19 05:20:35,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:35,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:35,921 WARN L240 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_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i[915,928] [2023-11-19 05:20:35,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:35,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:35,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35 WrapperNode [2023-11-19 05:20:35,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:35,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:35,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:35,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:35,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,044 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-19 05:20:36,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:36,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:36,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:36,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:36,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:36,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:36,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:36,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:36,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (1/1) ... [2023-11-19 05:20:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:36,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:36,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:36,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:36,301 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:36,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:36,750 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:37,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:37,269 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:37,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37 BoogieIcfgContainer [2023-11-19 05:20:37,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:37,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:37,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:37,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:37,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:35" (1/3) ... [2023-11-19 05:20:37,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32519f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:37, skipping insertion in model container [2023-11-19 05:20:37,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:35" (2/3) ... [2023-11-19 05:20:37,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32519f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:37, skipping insertion in model container [2023-11-19 05:20:37,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37" (3/3) ... [2023-11-19 05:20:37,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:37,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:37,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:37,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:37,420 INFO L357 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, mHoare=true, 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;@711d360c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:37,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:20:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 05:20:37,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:37,475 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:37,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:37,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1900113176, now seen corresponding path program 1 times [2023-11-19 05:20:37,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:37,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437947340] [2023-11-19 05:20:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:37,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:37,797 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890473127] [2023-11-19 05:20:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:37,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:37,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:37,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:20:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:38,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:38,614 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:38,618 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:38,619 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:38,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:38,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:20:38,835 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:20:38,840 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:38,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:38 BoogieIcfgContainer [2023-11-19 05:20:38,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:38,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:38,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:38,983 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:38,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:37" (3/4) ... [2023-11-19 05:20:38,986 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:38,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:38,989 INFO L158 Benchmark]: Toolchain (without parser) took 3448.35ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 150.4MB in the beginning and 153.9MB in the end (delta: -3.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:38,990 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 186.6MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:38,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.02ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 136.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:38,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.24ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 133.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:38,992 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 131.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:38,994 INFO L158 Benchmark]: RCFGBuilder took 1160.89ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 67.6MB in the end (delta: 63.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 05:20:38,996 INFO L158 Benchmark]: TraceAbstraction took 1698.54ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 66.5MB in the beginning and 155.0MB in the end (delta: -88.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:38,997 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 232.8MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:39,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 186.6MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.02ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 136.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.24ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 133.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 131.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.89ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 67.6MB in the end (delta: 63.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1698.54ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 66.5MB in the beginning and 155.0MB in the end (delta: -88.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 232.8MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of shiftRight at line 61, overapproximation of bitwiseOr at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someUnaryFLOAToperation at line 107. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_3 = 10; [L24] signed long int var_1_4 = 64; [L25] unsigned short int var_1_11 = 64; [L26] unsigned short int var_1_12 = 8; [L27] unsigned short int var_1_13 = 5; [L28] signed short int var_1_14 = 8; [L29] unsigned short int var_1_15 = 62763; [L30] unsigned long int var_1_16 = 25; [L31] float var_1_18 = 63.25; [L32] unsigned char var_1_20 = 0; [L33] float var_1_21 = 7.8; [L34] float var_1_22 = 32.1; [L35] unsigned char var_1_23 = 0; [L36] signed long int var_1_24 = -16; [L37] signed short int var_1_26 = 16; [L38] signed short int var_1_27 = -128; [L39] unsigned char var_1_28 = 1; [L40] signed long int var_1_29 = 200; [L41] unsigned long int var_1_30 = 16; [L42] unsigned long int var_1_31 = 0; [L43] signed short int var_1_32 = 0; [L44] signed short int var_1_33 = -4; [L45] signed char var_1_34 = -16; [L46] signed short int var_1_35 = 256; [L47] signed short int var_1_36 = 256; [L48] signed long int last_1_var_1_1 = -32; [L49] unsigned short int last_1_var_1_11 = 64; [L50] signed short int last_1_var_1_14 = 8; [L51] unsigned long int last_1_var_1_16 = 25; [L52] float last_1_var_1_18 = 63.25; [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L163] last_1_var_1_1 = var_1_1 [L164] last_1_var_1_11 = var_1_11 [L165] last_1_var_1_14 = var_1_14 [L166] last_1_var_1_16 = var_1_16 [L167] last_1_var_1_18 = var_1_18 [L177] RET updateLastVariables() [L178] CALL updateVariables() [L125] var_1_3 = __VERIFIER_nondet_long() [L126] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L127] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L128] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=64] [L129] var_1_4 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L131] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L132] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L133] var_1_12 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L135] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L136] var_1_13 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L138] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L139] var_1_15 = __VERIFIER_nondet_ushort() [L140] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L141] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L142] var_1_20 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L144] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L145] var_1_21 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L147] var_1_22 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L149] var_1_23 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L151] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-128, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L152] var_1_27 = __VERIFIER_nondet_short() [L153] CALL assume_abort_if_not(var_1_27 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_27 >= -32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L154] CALL assume_abort_if_not(var_1_27 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_27 <= 32766) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L155] var_1_31 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L157] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-4, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L158] var_1_33 = __VERIFIER_nondet_short() [L159] CALL assume_abort_if_not(var_1_33 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-16383, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_33 >= -16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-16383, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L160] CALL assume_abort_if_not(var_1_33 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-16383, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_33 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=-16, var_1_26=16, var_1_27=-1, var_1_28=1, var_1_29=200, var_1_30=16, var_1_31=0, var_1_32=0, var_1_33=-16383, var_1_34=-16, var_1_35=256, var_1_36=256, var_1_3=-8, var_1_4=1] [L178] RET updateVariables() [L179] CALL step() [L56] var_1_26 = var_1_27 [L57] var_1_28 = 0 [L58] var_1_29 = var_1_26 [L59] var_1_30 = var_1_31 [L60] COND FALSE !(var_1_27 < var_1_26) [L73] var_1_32 = var_1_33 [L75] var_1_34 = -25 [L76] var_1_35 = var_1_33 [L77] var_1_36 = var_1_27 [L78] EXPR last_1_var_1_1 | last_1_var_1_16 [L78] COND FALSE !((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) [L85] var_1_1 = last_1_var_1_11 [L87] COND FALSE !((- (- last_1_var_1_18)) != last_1_var_1_18) [L94] var_1_24 = last_1_var_1_14 [L96] COND FALSE !(((var_1_15 - var_1_12) + var_1_24) < var_1_24) [L99] unsigned short int stepLocal_0 = var_1_13; [L100] COND TRUE var_1_24 < stepLocal_0 [L101] COND FALSE !(\read(var_1_20)) [L104] COND FALSE !(\read(var_1_23)) [L107] var_1_18 = -0.75f [L113] COND TRUE var_1_18 != (var_1_18 + var_1_18) [L114] var_1_11 = ((var_1_12 + var_1_13) + 32) [L116] COND TRUE ((var_1_1 * var_1_4) + var_1_1) > var_1_1 [L117] COND TRUE var_1_14 < var_1_1 [L118] var_1_16 = var_1_12 [L179] RET step() [L180] CALL, EXPR property() [L170] EXPR last_1_var_1_1 | last_1_var_1_16 [L170-L171] return (((((((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) ? (((last_1_var_1_18 * last_1_var_1_18) < last_1_var_1_18) ? (var_1_1 == ((signed long int) last_1_var_1_11)) : (var_1_1 == ((signed long int) last_1_var_1_11))) : (var_1_1 == ((signed long int) last_1_var_1_11))) && ((var_1_18 != (var_1_18 + var_1_18)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_24) < var_1_24) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_1 * var_1_4) + var_1_1) > var_1_1) ? ((var_1_14 < var_1_1) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_24 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- last_1_var_1_18)) != last_1_var_1_18) ? ((var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) last_1_var_1_14))) : (var_1_24 == ((signed long int) last_1_var_1_14))) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=16423, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=8, var_1_18=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=8, var_1_26=-1, var_1_27=-1, var_1_28=0, var_1_29=-1, var_1_30=0, var_1_31=0, var_1_32=-16383, var_1_33=-16383, var_1_34=-25, var_1_35=-16383, var_1_36=-1, var_1_3=-8, var_1_4=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=16423, var_1_12=8, var_1_13=16383, var_1_14=8, var_1_15=32767, var_1_16=8, var_1_18=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=8, var_1_26=-1, var_1_27=-1, var_1_28=0, var_1_29=-1, var_1_30=0, var_1_31=0, var_1_32=-16383, var_1_33=-16383, var_1_34=-25, var_1_35=-16383, var_1_36=-1, var_1_3=-8, var_1_4=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:20:39,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ --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 ae79bf453a9c89f89bbe0ebf3e59117c9995c7b98eb02178d7d3c8f9382afd83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:42,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:42,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:20:42,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:42,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:42,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:42,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:42,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:42,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:42,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:42,282 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:42,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:42,283 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:42,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:42,286 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:42,287 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:42,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:42,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:42,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:42,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:42,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:42,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:42,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:42,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:42,293 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:42,294 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:42,294 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:42,295 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:42,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:42,296 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:42,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:42,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:42,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:42,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:42,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:42,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:42,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:42,301 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:42,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:42,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:42,303 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:42,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:42,304 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae79bf453a9c89f89bbe0ebf3e59117c9995c7b98eb02178d7d3c8f9382afd83 [2023-11-19 05:20:42,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:42,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:42,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:42,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:42,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:42,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:46,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:46,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:46,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:46,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/3dce6fbea/e954ba93870c4a69bf0e022eb90b74f3/FLAG6b08a097a [2023-11-19 05:20:46,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/data/3dce6fbea/e954ba93870c4a69bf0e022eb90b74f3 [2023-11-19 05:20:46,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:46,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:46,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:46,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:46,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:46,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:46" (1/1) ... [2023-11-19 05:20:46,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526fc34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:46, skipping insertion in model container [2023-11-19 05:20:46,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:46" (1/1) ... [2023-11-19 05:20:46,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:46,958 WARN L240 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_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i[915,928] [2023-11-19 05:20:47,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:47,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:47,053 WARN L240 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_43a1440d-788b-419a-9ae6-6d786dcd438d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-90.i[915,928] [2023-11-19 05:20:47,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:47,117 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:47,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47 WrapperNode [2023-11-19 05:20:47,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:47,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:47,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:47,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:47,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,183 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-19 05:20:47,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:47,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:47,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:47,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:47,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:47,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:47,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:47,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:47,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:47,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:47,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:47,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:47,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:47,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:47,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:47,534 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:47,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:48,831 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:48,841 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:48,842 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:48,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:48 BoogieIcfgContainer [2023-11-19 05:20:48,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:48,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:48,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:48,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:48,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:46" (1/3) ... [2023-11-19 05:20:48,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7585988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:48, skipping insertion in model container [2023-11-19 05:20:48,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47" (2/3) ... [2023-11-19 05:20:48,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7585988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:48, skipping insertion in model container [2023-11-19 05:20:48,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:48" (3/3) ... [2023-11-19 05:20:48,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-90.i [2023-11-19 05:20:48,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:48,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:48,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:48,966 INFO L357 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, mHoare=true, 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;@150b377f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:48,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:20:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:20:49,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:49,003 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:49,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:49,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:49,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1142095937, now seen corresponding path program 1 times [2023-11-19 05:20:49,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:49,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918117210] [2023-11-19 05:20:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:49,029 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 [2023-11-19 05:20:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:49,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:20:49,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:49,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:20:49,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-19 05:20:49,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:49,810 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:49,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918117210] [2023-11-19 05:20:49,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918117210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:49,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:20:49,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455726194] [2023-11-19 05:20:49,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:49,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:20:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:49,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:20:49,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:49,862 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:20:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:49,905 INFO L93 Difference]: Finished difference Result 137 states and 244 transitions. [2023-11-19 05:20:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:20:49,908 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-11-19 05:20:49,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:49,918 INFO L225 Difference]: With dead ends: 137 [2023-11-19 05:20:49,919 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 05:20:49,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:49,927 INFO L413 NwaCegarLoop]: 105 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, 105 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 [2023-11-19 05:20:49,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:49,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 05:20:49,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 05:20:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:20:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-11-19 05:20:49,985 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 150 [2023-11-19 05:20:49,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:49,986 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-11-19 05:20:49,987 INFO L496 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:20:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-19 05:20:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:20:49,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:49,993 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:50,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:50,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:50,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:50,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash -748591161, now seen corresponding path program 1 times [2023-11-19 05:20:50,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348106837] [2023-11-19 05:20:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:50,204 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 [2023-11-19 05:20:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:50,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:20:50,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:50,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:20:50,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 611 proven. 84 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-11-19 05:20:52,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:53,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:53,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348106837] [2023-11-19 05:20:53,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348106837] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:20:53,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [43638534] [2023-11-19 05:20:53,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:53,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:53,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:20:53,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:20:53,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1440d-788b-419a-9ae6-6d786dcd438d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:20:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:54,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 05:20:54,573 INFO L285 TraceCheckSpWp]: Computing forward predicates...