./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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_f67665a7-0ad4-4546-86d6-23858c760a86/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 3b51a20c6bd7ee2006a649f955281c94df5969f39a7ab48708f537546d09260e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:25,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:25,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:25:25,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:25,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:25,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:25,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:25,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:25,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:25,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:25,254 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:25,254 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:25,254 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:25,256 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:25,257 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:25,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:25,257 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:25,258 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:25,258 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:25,259 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:25,260 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:25,261 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:25,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:25,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:25,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:25,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:25,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:25,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:25,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:25,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:25,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:25,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:25,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:25,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:25,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:25,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:25,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:25,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:25,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:25,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:25,269 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:25,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:25,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:25,270 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:25,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:25,271 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_f67665a7-0ad4-4546-86d6-23858c760a86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b51a20c6bd7ee2006a649f955281c94df5969f39a7ab48708f537546d09260e [2023-11-19 05:25:25,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:25,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:25,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:25,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:25,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:25,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:28,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:29,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:29,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:29,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/74ab65ca8/165b6930ac534175b7e7d843356898c3/FLAG76bd49901 [2023-11-19 05:25:29,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/74ab65ca8/165b6930ac534175b7e7d843356898c3 [2023-11-19 05:25:29,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:29,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:29,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:29,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:29,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:29,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ed46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29, skipping insertion in model container [2023-11-19 05:25:29,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:29,446 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_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i[919,932] [2023-11-19 05:25:29,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:29,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:29,558 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_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i[919,932] [2023-11-19 05:25:29,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:29,624 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:29,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29 WrapperNode [2023-11-19 05:25:29,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:29,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:29,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:29,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:29,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,710 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-11-19 05:25:29,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:29,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:29,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:29,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:29,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:29,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:29,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:29,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:29,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (1/1) ... [2023-11-19 05:25:29,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:29,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:29,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:29,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:30,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:30,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:30,714 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:31,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:31,261 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:31,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:31 BoogieIcfgContainer [2023-11-19 05:25:31,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:31,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:31,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:31,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:31,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:29" (1/3) ... [2023-11-19 05:25:31,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72477564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:31, skipping insertion in model container [2023-11-19 05:25:31,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:29" (2/3) ... [2023-11-19 05:25:31,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72477564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:31, skipping insertion in model container [2023-11-19 05:25:31,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:31" (3/3) ... [2023-11-19 05:25:31,280 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:31,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:31,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:31,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:31,375 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;@3a898496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:31,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:25:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 05:25:31,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:31,396 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:31,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:31,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:31,404 INFO L85 PathProgramCache]: Analyzing trace with hash 354938586, now seen corresponding path program 1 times [2023-11-19 05:25:31,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:31,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230018561] [2023-11-19 05:25:31,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:31,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:31,652 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:25:31,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122528532] [2023-11-19 05:25:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:31,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:31,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:31,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:25:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:31,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:32,112 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:32,115 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:32,116 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:25:32,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:32,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:25:32,332 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:25:32,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:25:32,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:25:32 BoogieIcfgContainer [2023-11-19 05:25:32,455 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:25:32,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:25:32,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:25:32,456 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:25:32,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:31" (3/4) ... [2023-11-19 05:25:32,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:25:32,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:25:32,461 INFO L158 Benchmark]: Toolchain (without parser) took 3215.87ms. Allocated memory is still 174.1MB. Free memory was 135.1MB in the beginning and 66.0MB in the end (delta: 69.1MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,461 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:32,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.97ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 119.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.05ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 114.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,463 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 112.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,464 INFO L158 Benchmark]: RCFGBuilder took 1478.87ms. Allocated memory is still 174.1MB. Free memory was 112.2MB in the beginning and 122.6MB in the end (delta: -10.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,465 INFO L158 Benchmark]: TraceAbstraction took 1183.81ms. Allocated memory is still 174.1MB. Free memory was 122.6MB in the beginning and 66.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 05:25:32,465 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 174.1MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:32,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.97ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 119.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.05ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 114.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 112.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1478.87ms. Allocated memory is still 174.1MB. Free memory was 112.2MB in the beginning and 122.6MB in the end (delta: -10.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1183.81ms. Allocated memory is still 174.1MB. Free memory was 122.6MB in the beginning and 66.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 174.1MB. Free memory is still 66.0MB. 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 56, overapproximation of bitwiseOr at line 83, overapproximation of shiftRight at line 88, overapproximation of bitwiseAnd at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] float var_1_21 = 4.2; [L41] float var_1_22 = 5.5; [L42] signed short int var_1_23 = -10; [L43] unsigned long int var_1_30 = 1000000000; [L44] unsigned long int var_1_31 = 4155847319; [L45] float var_1_33 = 99.25; [L46] signed long int var_1_34 = 10; [L47] unsigned char var_1_35 = 16; [L48] unsigned char var_1_36 = 100; [L49] signed long int var_1_39 = -128; [L50] signed long int var_1_40 = 1792665454; [L51] unsigned char last_1_var_1_8 = 1; [L52] signed char last_1_var_1_14 = -1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L183] last_1_var_1_8 = var_1_8 [L184] last_1_var_1_14 = var_1_14 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L149] var_1_7 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L152] var_1_9 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L155] var_1_10 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L158] var_1_12 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] var_1_13 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L162] var_1_15 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=11/2, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L172] var_1_31 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_31 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_31 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L174] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L175] var_1_36 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1792665454, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L178] var_1_40 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=8, var_1_18=128, var_1_19=2147483647, var_1_1=25, var_1_20=127/8, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L195] RET updateVariables() [L196] CALL step() [L56] var_1_20 = ((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) [L57] COND FALSE !(128u <= var_1_5) [L72] COND TRUE var_1_1 >= var_1_16 [L73] var_1_30 = (((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) - var_1_1) [L75] var_1_33 = var_1_21 [L76] COND TRUE \read(var_1_8) [L77] var_1_34 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L79] COND TRUE var_1_31 > var_1_1 [L80] var_1_35 = var_1_36 [L88] EXPR var_1_1 >> var_1_16 [L88] COND FALSE !(var_1_14 > (var_1_1 >> var_1_16)) [L95] var_1_39 = var_1_18 [L97] unsigned char stepLocal_0 = last_1_var_1_8; [L98] COND TRUE stepLocal_0 && last_1_var_1_8 [L99] COND TRUE \read(last_1_var_1_8) [L100] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L105] COND TRUE var_1_5 < var_1_3 [L106] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) [L110] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L111] COND FALSE !((64.4f + 1.5f) <= var_1_13) [L116] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L117] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L118] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) [L122] signed long int stepLocal_1 = 8 + var_1_14; [L123] COND TRUE var_1_4 == stepLocal_1 [L124] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L126] EXPR var_1_15 & var_1_1 [L126] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L127] COND TRUE var_1_12 >= 9.6 [L128] COND TRUE \read(var_1_10) [L129] var_1_16 = (2 - var_1_1) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L187-L188] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=-48, var_1_18=2147483647, var_1_19=2147483647, var_1_1=50, var_1_20=3, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=2147483622, var_1_31=2147483647, var_1_33=3, var_1_34=1, var_1_35=0, var_1_36=0, var_1_39=128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=-1, var_1_15=50, var_1_16=-48, var_1_18=2147483647, var_1_19=2147483647, var_1_1=50, var_1_20=3, var_1_21=3, var_1_22=4, var_1_23=-10, var_1_2=0, var_1_30=2147483622, var_1_31=2147483647, var_1_33=3, var_1_34=1, var_1_35=0, var_1_36=0, var_1_39=128, var_1_3=7, var_1_40=1073741823, var_1_4=7, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 05:25:32,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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_f67665a7-0ad4-4546-86d6-23858c760a86/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 3b51a20c6bd7ee2006a649f955281c94df5969f39a7ab48708f537546d09260e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:35,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:35,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:25:35,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:35,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:35,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:35,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:35,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:35,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:35,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:35,374 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:35,374 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:35,375 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:35,376 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:35,376 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:35,377 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:35,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:35,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:35,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:35,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:35,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:35,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:35,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:35,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:35,382 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:25:35,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:25:35,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:25:35,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:35,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:35,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:35,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:35,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:25:35,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:35,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:35,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:35,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:35,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:35,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:25:35,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:35,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:35,389 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:35,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:35,392 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_f67665a7-0ad4-4546-86d6-23858c760a86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b51a20c6bd7ee2006a649f955281c94df5969f39a7ab48708f537546d09260e [2023-11-19 05:25:35,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:35,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:35,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:35,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:35,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:35,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:39,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:39,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:39,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:39,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/dec3e43c8/222c9d508f614e2c934850dafc6c1493/FLAGa3e89d501 [2023-11-19 05:25:39,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/data/dec3e43c8/222c9d508f614e2c934850dafc6c1493 [2023-11-19 05:25:39,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:39,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:39,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:39,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:39,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:39,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0ab8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39, skipping insertion in model container [2023-11-19 05:25:39,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:39,731 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_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i[919,932] [2023-11-19 05:25:39,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:39,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:39,857 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_f67665a7-0ad4-4546-86d6-23858c760a86/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i[919,932] [2023-11-19 05:25:39,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:39,914 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:39,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39 WrapperNode [2023-11-19 05:25:39,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:39,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:39,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:39,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:39,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,975 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-19 05:25:39,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:39,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:39,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:39,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:39,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:39,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:40,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:40,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:40,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:40,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (1/1) ... [2023-11-19 05:25:40,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:40,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:40,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:40,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:40,321 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:40,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:41,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:41,427 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:41,427 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:41,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:41 BoogieIcfgContainer [2023-11-19 05:25:41,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:41,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:41,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:41,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:41,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:39" (1/3) ... [2023-11-19 05:25:41,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58039bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:41, skipping insertion in model container [2023-11-19 05:25:41,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:39" (2/3) ... [2023-11-19 05:25:41,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58039bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:41, skipping insertion in model container [2023-11-19 05:25:41,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:41" (3/3) ... [2023-11-19 05:25:41,440 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-17.i [2023-11-19 05:25:41,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:41,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:41,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:41,514 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;@2b225baf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:41,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:25:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 05:25:41,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:41,536 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:41,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:41,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:41,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1695752763, now seen corresponding path program 1 times [2023-11-19 05:25:41,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:41,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001730815] [2023-11-19 05:25:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:41,557 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 05:25:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:41,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:41,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:41,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:25:42,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-19 05:25:42,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:42,065 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:42,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001730815] [2023-11-19 05:25:42,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001730815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:42,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:42,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:25:42,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761510493] [2023-11-19 05:25:42,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:42,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:42,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:42,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:42,108 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 05:25:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:42,178 INFO L93 Difference]: Finished difference Result 167 states and 292 transitions. [2023-11-19 05:25:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2023-11-19 05:25:42,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:42,196 INFO L225 Difference]: With dead ends: 167 [2023-11-19 05:25:42,196 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:25:42,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 05:25:42,209 INFO L413 NwaCegarLoop]: 129 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, 129 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 05:25:42,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:25:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 05:25:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 55 states have (on average 1.4) internal successors, (77), 55 states have internal predecessors, (77), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:25:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2023-11-19 05:25:42,292 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 171 [2023-11-19 05:25:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:42,292 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2023-11-19 05:25:42,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 05:25:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-19 05:25:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 05:25:42,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:42,309 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:42,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:42,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:42,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:42,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:42,519 INFO L85 PathProgramCache]: Analyzing trace with hash -841324429, now seen corresponding path program 1 times [2023-11-19 05:25:42,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:42,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230118516] [2023-11-19 05:25:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:42,522 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 05:25:42,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:42,524 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:42,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:42,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:25:42,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 05:25:43,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:43,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:43,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230118516] [2023-11-19 05:25:43,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230118516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:43,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:43,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:25:43,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166674518] [2023-11-19 05:25:43,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:43,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:25:43,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:43,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:25:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:25:43,522 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 05:25:44,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:44,561 INFO L93 Difference]: Finished difference Result 244 states and 382 transitions. [2023-11-19 05:25:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:25:44,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-19 05:25:44,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:44,576 INFO L225 Difference]: With dead ends: 244 [2023-11-19 05:25:44,577 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 05:25:44,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:25:44,580 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 109 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:44,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 393 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 05:25:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 05:25:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 145. [2023-11-19 05:25:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 05:25:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2023-11-19 05:25:44,631 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 171 [2023-11-19 05:25:44,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:44,632 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2023-11-19 05:25:44,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 05:25:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2023-11-19 05:25:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 05:25:44,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:44,637 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:44,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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)] Ended with exit code 0 [2023-11-19 05:25:44,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:44,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:44,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash -525046010, now seen corresponding path program 1 times [2023-11-19 05:25:44,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:44,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859244365] [2023-11-19 05:25:44,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:44,848 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 05:25:44,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:44,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:25:44,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 (4)] Waiting until timeout for monitored process [2023-11-19 05:25:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:45,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:25:45,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 93 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2023-11-19 05:25:46,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 51 proven. 96 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-11-19 05:25:47,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:47,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859244365] [2023-11-19 05:25:47,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859244365] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:47,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1378494536] [2023-11-19 05:25:47,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:47,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:47,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:47,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:25:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:48,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 05:25:48,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 625 proven. 135 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-19 05:25:50,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 51 proven. 96 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-11-19 05:25:51,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1378494536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:51,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051540256] [2023-11-19 05:25:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:51,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:51,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:25:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:51,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 05:25:51,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 648 proven. 168 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-19 05:25:54,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 78 proven. 138 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2023-11-19 05:25:55,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051540256] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:55,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:25:55,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 14, 10, 17, 14] total 51 [2023-11-19 05:25:55,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378641047] [2023-11-19 05:25:55,236 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:25:55,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-19 05:25:55,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:55,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-19 05:25:55,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=598, Invalid=1952, Unknown=0, NotChecked=0, Total=2550 [2023-11-19 05:25:55,244 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 51 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 16 states have call successors, (112), 12 states have call predecessors, (112), 21 states have return successors, (114), 16 states have call predecessors, (114), 16 states have call successors, (114) [2023-11-19 05:26:00,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:26:00,343 INFO L93 Difference]: Finished difference Result 443 states and 636 transitions. [2023-11-19 05:26:00,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-19 05:26:00,349 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 16 states have call successors, (112), 12 states have call predecessors, (112), 21 states have return successors, (114), 16 states have call predecessors, (114), 16 states have call successors, (114) Word has length 172 [2023-11-19 05:26:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:26:00,354 INFO L225 Difference]: With dead ends: 443 [2023-11-19 05:26:00,355 INFO L226 Difference]: Without dead ends: 363 [2023-11-19 05:26:00,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 979 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2883 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1918, Invalid=6454, Unknown=0, NotChecked=0, Total=8372 [2023-11-19 05:26:00,362 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 1291 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:26:00,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 897 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-19 05:26:00,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-11-19 05:26:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 264. [2023-11-19 05:26:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 170 states have (on average 1.2352941176470589) internal successors, (210), 170 states have internal predecessors, (210), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-19 05:26:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 366 transitions. [2023-11-19 05:26:00,430 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 366 transitions. Word has length 172 [2023-11-19 05:26:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:26:00,431 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 366 transitions. [2023-11-19 05:26:00,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 4.1) internal successors, (205), 49 states have internal predecessors, (205), 16 states have call successors, (112), 12 states have call predecessors, (112), 21 states have return successors, (114), 16 states have call predecessors, (114), 16 states have call successors, (114) [2023-11-19 05:26:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 366 transitions. [2023-11-19 05:26:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 05:26:00,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:26:00,435 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:26:00,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:26:00,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:26:00,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:26:01,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:26:01,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:26:01,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:26:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1205104380, now seen corresponding path program 1 times [2023-11-19 05:26:01,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:26:01,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503391085] [2023-11-19 05:26:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:26:01,046 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 05:26:01,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:26:01,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 05:26:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67665a7-0ad4-4546-86d6-23858c760a86/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 (7)] Waiting until timeout for monitored process [2023-11-19 05:26:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:26:01,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 05:26:01,330 INFO L285 TraceCheckSpWp]: Computing forward predicates...