./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire --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 9e515de62df857d489d59950c6beb84861229f7c018feb1ce9e167b3b2d6609e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:57,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:57,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:22:57,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:57,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:57,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:57,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:57,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:57,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:57,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:57,971 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:57,971 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:57,972 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:57,973 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:57,974 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:57,974 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:57,975 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:57,975 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:57,975 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:57,976 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:57,976 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:57,977 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:57,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:57,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:57,979 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:57,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:57,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:57,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:57,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:57,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:57,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:57,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:57,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:57,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:57,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:57,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:57,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:57,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:57,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:57,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:57,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:57,988 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:57,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:57,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:57,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:57,989 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:57,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:57,989 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_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e515de62df857d489d59950c6beb84861229f7c018feb1ce9e167b3b2d6609e [2023-11-23 21:22:58,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:58,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:58,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:58,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:58,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:58,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:01,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:01,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:01,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:01,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/adae7dc2d/8362d230b9724485a6f50a1320c133ae/FLAG8d69b5748 [2023-11-23 21:23:01,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/adae7dc2d/8362d230b9724485a6f50a1320c133ae [2023-11-23 21:23:01,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:01,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:01,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:01,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:01,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:01,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:01" (1/1) ... [2023-11-23 21:23:01,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aeca179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:01, skipping insertion in model container [2023-11-23 21:23:01,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:01" (1/1) ... [2023-11-23 21:23:01,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:02,087 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_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i[916,929] [2023-11-23 21:23:02,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:02,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:02,216 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_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i[916,929] [2023-11-23 21:23:02,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:02,276 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:02,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02 WrapperNode [2023-11-23 21:23:02,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:02,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:02,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:02,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:02,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,358 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 231 [2023-11-23 21:23:02,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:02,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:02,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:02,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:02,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:02,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:02,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:02,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:02,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:02,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:02,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:02,644 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:02,646 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:03,221 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:03,875 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:03,875 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:03,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:03 BoogieIcfgContainer [2023-11-23 21:23:03,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:03,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:03,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:03,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:03,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:01" (1/3) ... [2023-11-23 21:23:03,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b25287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:03, skipping insertion in model container [2023-11-23 21:23:03,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (2/3) ... [2023-11-23 21:23:03,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b25287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:03, skipping insertion in model container [2023-11-23 21:23:03,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:03" (3/3) ... [2023-11-23 21:23:03,890 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:03,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:03,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:03,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:03,987 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;@2650a396, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:03,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:23:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:23:04,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:04,009 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:04,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:04,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 622478634, now seen corresponding path program 1 times [2023-11-23 21:23:04,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:04,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144804368] [2023-11-23 21:23:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:04,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:04,272 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:23:04,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665564615] [2023-11-23 21:23:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:04,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:04,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:04,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:04,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:05,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:05,153 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:05,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:05,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:05,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:23:05,379 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:23:05,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:05,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:05 BoogieIcfgContainer [2023-11-23 21:23:05,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:05,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:05,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:05,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:05,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:03" (3/4) ... [2023-11-23 21:23:05,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:05,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:05,522 INFO L158 Benchmark]: Toolchain (without parser) took 3647.48ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 59.0MB in the end (delta: 76.2MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,523 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:05,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 119.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 115.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,525 INFO L158 Benchmark]: Boogie Preprocessor took 50.19ms. Allocated memory is still 174.1MB. Free memory was 115.0MB in the beginning and 112.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,560 INFO L158 Benchmark]: RCFGBuilder took 1467.71ms. Allocated memory is still 174.1MB. Free memory was 112.2MB in the beginning and 111.7MB in the end (delta: 525.0kB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,561 INFO L158 Benchmark]: TraceAbstraction took 1635.75ms. Allocated memory is still 174.1MB. Free memory was 110.5MB in the beginning and 59.2MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 21:23:05,561 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 174.1MB. Free memory was 59.2MB in the beginning and 59.0MB in the end (delta: 244.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:05,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 119.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 115.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.19ms. Allocated memory is still 174.1MB. Free memory was 115.0MB in the beginning and 112.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1467.71ms. Allocated memory is still 174.1MB. Free memory was 112.2MB in the beginning and 111.7MB in the end (delta: 525.0kB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1635.75ms. Allocated memory is still 174.1MB. Free memory was 110.5MB in the beginning and 59.2MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 174.1MB. Free memory was 59.2MB in the beginning and 59.0MB in the end (delta: 244.7kB). 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 shiftLeft at line 104, overapproximation of someBinaryArithmeticDOUBLEoperation at line 129, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of bitwiseOr at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someUnaryFLOAToperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.8; [L23] float var_1_6 = 16.375; [L24] float var_1_7 = 0.25; [L25] unsigned char var_1_8 = 1; [L26] unsigned char var_1_9 = 1; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 128; [L29] double var_1_13 = 255.5; [L30] double var_1_14 = 0.0; [L31] double var_1_15 = 0.0; [L32] double var_1_16 = 100.3; [L33] unsigned long int var_1_17 = 32; [L34] unsigned short int var_1_19 = 100; [L35] double var_1_21 = 10000000000.5; [L36] double var_1_22 = 32.2; [L37] signed short int var_1_23 = -2; [L38] signed char var_1_24 = 32; [L39] signed char var_1_25 = 10; [L40] signed char var_1_26 = -128; [L41] double var_1_27 = 5.8; [L42] unsigned short int var_1_28 = 16; [L43] unsigned char var_1_30 = 1; [L44] unsigned char var_1_31 = 0; [L45] unsigned char var_1_32 = 0; [L46] unsigned long int var_1_33 = 256; [L47] unsigned char var_1_34 = 0; [L48] float var_1_35 = 3.625; [L49] float var_1_36 = 9.8; [L50] unsigned char var_1_37 = 4; [L51] unsigned long int last_1_var_1_17 = 32; [L52] double last_1_var_1_22 = 32.2; [L53] double last_1_var_1_27 = 5.8; [L54] unsigned char last_1_var_1_37 = 4; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L182] last_1_var_1_17 = var_1_17 [L183] last_1_var_1_22 = var_1_22 [L184] last_1_var_1_27 = var_1_27 [L185] last_1_var_1_37 = var_1_37 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L144] var_1_6 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=1/4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_7=1/4, var_1_8=1, var_1_9=1] [L146] var_1_7 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L148] var_1_9 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=0, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_14=0, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L154] var_1_14 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_15=0, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L156] var_1_15 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_16=1003/10, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L158] var_1_16 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=32, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L160] var_1_24 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L162] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=10, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L163] var_1_25 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=-128, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L166] var_1_26 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=256, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L173] var_1_33 = __VERIFIER_nondet_ulong() [L174] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L175] CALL assume_abort_if_not(var_1_33 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L176] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L177] var_1_34 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L179] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=128, var_1_13=511/2, var_1_17=32, var_1_19=100, var_1_1=4/5, var_1_21=20000000001/2, var_1_22=161/5, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=16, var_1_30=1, var_1_31=0, var_1_32=0, var_1_33=4, var_1_34=0, var_1_35=29/8, var_1_36=49/5, var_1_37=4, var_1_8=1, var_1_9=1] [L196] RET updateVariables() [L197] CALL step() [L58] COND TRUE (- last_1_var_1_27) < var_1_7 [L59] var_1_21 = 0.19999999999999996 [L63] COND FALSE !(((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16)) [L66] var_1_28 = last_1_var_1_37 [L68] COND TRUE \read(var_1_9) [L69] var_1_11 = 0u [L79] COND TRUE \read(var_1_9) [L80] var_1_30 = (! var_1_31) [L82] var_1_35 = var_1_16 [L83] var_1_36 = var_1_14 [L84] var_1_37 = var_1_25 [L85] unsigned long int stepLocal_0 = 1u; [L86] COND FALSE !(((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) [L91] signed long int stepLocal_4 = (var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4))); [L92] COND FALSE !(stepLocal_4 > var_1_37) [L95] unsigned char stepLocal_3 = var_1_37; [L96] COND TRUE var_1_28 <= stepLocal_3 [L97] var_1_19 = ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) [L101] signed long int stepLocal_2 = var_1_19 - var_1_19; [L102] COND TRUE \read(var_1_9) [L103] COND TRUE \read(var_1_10) [L104] EXPR (last_1_var_1_17 / -64) << var_1_11 [L104] COND TRUE ((last_1_var_1_17 / -64) << var_1_11) >= stepLocal_2 [L105] var_1_17 = var_1_19 [L113] EXPR var_1_37 ^ (4u / var_1_33) [L113] COND TRUE (var_1_37 ^ (4u / var_1_33)) != var_1_17 [L114] var_1_32 = ((99.6f != var_1_7) || var_1_10) [L118] COND FALSE !(((var_1_16 * var_1_6) > var_1_15) && var_1_32) [L121] var_1_22 = ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))) [L123] COND TRUE ((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23 [L124] var_1_1 = (var_1_6 - var_1_7) [L126] signed long int stepLocal_5 = var_1_19 + var_1_37; [L127] COND TRUE var_1_28 != stepLocal_5 [L128] COND FALSE !(var_1_1 < var_1_21) [L132] unsigned short int stepLocal_1 = var_1_28; [L133] COND FALSE !(var_1_7 != (var_1_27 * var_1_6)) [L136] COND FALSE !(var_1_28 > stepLocal_1) [L139] var_1_13 = var_1_15 [L197] RET step() [L198] CALL, EXPR property() [L188] EXPR (((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u))) [L188] EXPR (((((((((((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u)))) && ((var_1_28 <= var_1_37) ? (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))) : (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))))) && (((- last_1_var_1_27) < var_1_7) ? (var_1_21 == ((double) 0.19999999999999996)) : (var_1_21 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))))) && ((((var_1_16 * var_1_6) > var_1_15) && var_1_32) ? (var_1_22 == ((double) var_1_6)) : (var_1_22 == ((double) ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))))))) && ((((var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4)))) > var_1_37) ? (var_1_23 == ((signed short int) var_1_24)) : 1)) && ((var_1_28 != (var_1_19 + var_1_37)) ? ((var_1_1 < var_1_21) ? (var_1_27 == ((double) (var_1_15 - var_1_16))) : 1) : 1)) && ((((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16)) ? (var_1_28 == ((unsigned short int) ((var_1_25 + (100 + 64)) + last_1_var_1_37))) : (var_1_28 == ((unsigned short int) last_1_var_1_37)))) && (var_1_9 ? (var_1_30 == ((unsigned char) (! var_1_31))) : 1)) && (((var_1_37 ^ (4u / var_1_33)) != var_1_17) ? (var_1_32 == ((unsigned char) ((99.6f != var_1_7) || var_1_10))) : (var_1_32 == ((unsigned char) (var_1_31 || var_1_34)))) [L188-L189] return ((((((((((((((((((~ var_1_17) + (var_1_19 + var_1_37)) <= var_1_23) ? (var_1_1 == ((float) (var_1_6 - var_1_7))) : 1) && ((((((var_1_7) < (var_1_35)) ? (var_1_7) : (var_1_35))) <= var_1_6) ? ((1u < var_1_37) ? (var_1_8 == ((unsigned char) (var_1_9 && var_1_10))) : 1) : 1)) && (var_1_9 ? (var_1_11 == ((unsigned long int) 0u)) : (var_1_10 ? (var_1_11 == ((unsigned long int) ((((8u + var_1_28) < 0 ) ? -(8u + var_1_28) : (8u + var_1_28))))) : ((var_1_6 < 127.5f) ? (var_1_11 == ((unsigned long int) var_1_28)) : 1)))) && ((var_1_7 != (var_1_27 * var_1_6)) ? (var_1_13 == ((double) ((((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_16) - var_1_7))) : ((var_1_28 > var_1_28) ? (var_1_13 == ((double) 10.6)) : (var_1_13 == ((double) var_1_15))))) && (var_1_9 ? (var_1_10 ? ((((last_1_var_1_17 / -64) << var_1_11) >= (var_1_19 - var_1_19)) ? (var_1_17 == ((unsigned long int) var_1_19)) : 1) : (var_1_17 == ((unsigned long int) var_1_19))) : (var_1_17 == ((unsigned long int) 2u)))) && ((var_1_28 <= var_1_37) ? (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))) : (var_1_19 == ((unsigned short int) ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))))))) && (((- last_1_var_1_27) < var_1_7) ? (var_1_21 == ((double) 0.19999999999999996)) : (var_1_21 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))))) && ((((var_1_16 * var_1_6) > var_1_15) && var_1_32) ? (var_1_22 == ((double) var_1_6)) : (var_1_22 == ((double) ((((var_1_15) < (var_1_7)) ? (var_1_15) : (var_1_7))))))) && ((((var_1_24 - var_1_25) / ((((var_1_26) < (4)) ? (var_1_26) : (4)))) > var_1_37) ? (var_1_23 == ((signed short int) var_1_24)) : 1)) && ((var_1_28 != (var_1_19 + var_1_37)) ? ((var_1_1 < var_1_21) ? (var_1_27 == ((double) (var_1_15 - var_1_16))) : 1) : 1)) && ((((((8.25) < (last_1_var_1_22)) ? (8.25) : (last_1_var_1_22))) >= (var_1_15 * var_1_16)) ? (var_1_28 == ((unsigned short int) ((var_1_25 + (100 + 64)) + last_1_var_1_37))) : (var_1_28 == ((unsigned short int) last_1_var_1_37)))) && (var_1_9 ? (var_1_30 == ((unsigned char) (! var_1_31))) : 1)) && (((var_1_37 ^ (4u / var_1_33)) != var_1_17) ? (var_1_32 == ((unsigned char) ((99.6f != var_1_7) || var_1_10))) : (var_1_32 == ((unsigned char) (var_1_31 || var_1_34))))) && (var_1_35 == ((float) var_1_16))) && (var_1_36 == ((float) var_1_14))) && (var_1_37 == ((unsigned char) var_1_25)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=0, var_1_13=3, var_1_14=4, var_1_15=3, var_1_16=2, var_1_17=127, var_1_19=127, var_1_1=0, var_1_21=4999999999999999/25000000000000000, var_1_22=3, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=4, var_1_30=1, var_1_31=0, var_1_32=1, var_1_33=4, var_1_34=0, var_1_35=2, var_1_36=4, var_1_37=127, var_1_6=3, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=32, last_1_var_1_22=161/5, last_1_var_1_27=29/5, last_1_var_1_37=4, var_1_10=1, var_1_11=0, var_1_13=3, var_1_14=4, var_1_15=3, var_1_16=2, var_1_17=127, var_1_19=127, var_1_1=0, var_1_21=4999999999999999/25000000000000000, var_1_22=3, var_1_23=-2, var_1_24=127, var_1_25=127, var_1_26=1, var_1_27=29/5, var_1_28=4, var_1_30=1, var_1_31=0, var_1_32=1, var_1_33=4, var_1_34=0, var_1_35=2, var_1_36=4, var_1_37=127, var_1_6=3, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 [2023-11-23 21:23:05,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire --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 9e515de62df857d489d59950c6beb84861229f7c018feb1ce9e167b3b2d6609e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:08,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:08,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:23:08,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:08,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:08,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:08,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:08,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:08,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:08,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:08,507 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:08,508 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:08,508 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:08,510 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:08,511 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:08,511 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:08,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:08,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:08,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:08,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:08,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:08,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:08,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:08,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:08,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:08,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:08,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:08,517 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:08,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:08,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:08,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:08,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:08,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:08,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:08,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:08,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:08,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:08,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:08,522 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:08,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:08,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:08,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:08,524 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:08,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:08,525 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_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e515de62df857d489d59950c6beb84861229f7c018feb1ce9e167b3b2d6609e [2023-11-23 21:23:08,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:08,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:08,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:08,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:08,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:08,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:12,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:12,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:12,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:12,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/9fe6dffd4/daec3d710ecb46f389e187434f8b9fa1/FLAGafe921bf1 [2023-11-23 21:23:12,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/data/9fe6dffd4/daec3d710ecb46f389e187434f8b9fa1 [2023-11-23 21:23:12,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:12,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:12,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:12,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:12,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:12,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:12,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53822099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12, skipping insertion in model container [2023-11-23 21:23:12,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:12,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:12,710 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_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i[916,929] [2023-11-23 21:23:12,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:12,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:12,827 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_4351d36f-2070-4c3d-b973-9a0910f00de6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-80.i[916,929] [2023-11-23 21:23:12,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:12,923 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:12,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12 WrapperNode [2023-11-23 21:23:12,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:12,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:12,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:12,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:12,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:12,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:12,983 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 21:23:12,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:12,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:12,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:12,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:13,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:13,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:13,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:13,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:13,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (1/1) ... [2023-11-23 21:23:13,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:13,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:13,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:13,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:13,253 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:13,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:29,557 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:29,634 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:29,634 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:29 BoogieIcfgContainer [2023-11-23 21:23:29,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:29,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:29,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:29,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:29,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:12" (1/3) ... [2023-11-23 21:23:29,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35656b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:29, skipping insertion in model container [2023-11-23 21:23:29,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:12" (2/3) ... [2023-11-23 21:23:29,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35656b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:29, skipping insertion in model container [2023-11-23 21:23:29,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:29" (3/3) ... [2023-11-23 21:23:29,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-80.i [2023-11-23 21:23:29,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:29,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:29,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:29,728 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;@99e9df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:29,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:29,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 49 states have (on average 1.510204081632653) internal successors, (74), 50 states have internal predecessors, (74), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:23:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:23:29,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:29,754 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:29,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:29,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:29,760 INFO L85 PathProgramCache]: Analyzing trace with hash 128934567, now seen corresponding path program 1 times [2023-11-23 21:23:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:29,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221544753] [2023-11-23 21:23:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:29,774 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 [2023-11-23 21:23:29,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:29,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:29,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:31,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:31,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-11-23 21:23:31,144 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:31,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:31,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221544753] [2023-11-23 21:23:31,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221544753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:31,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:31,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:31,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585115716] [2023-11-23 21:23:31,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:31,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:31,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:31,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:31,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:31,187 INFO L87 Difference]: Start difference. First operand has 75 states, 49 states have (on average 1.510204081632653) internal successors, (74), 50 states have internal predecessors, (74), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:23:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:33,670 INFO L93 Difference]: Finished difference Result 147 states and 261 transitions. [2023-11-23 21:23:33,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:33,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2023-11-23 21:23:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:33,802 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:23:33,802 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:23:33,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:33,810 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:33,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:23:33,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:23:33,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:23:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:23:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-23 21:23:33,863 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 152 [2023-11-23 21:23:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:33,864 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-23 21:23:33,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:23:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-23 21:23:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-23 21:23:33,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:33,869 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:33,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:23:34,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:34,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:34,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:34,072 INFO L85 PathProgramCache]: Analyzing trace with hash 127351197, now seen corresponding path program 1 times [2023-11-23 21:23:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655473689] [2023-11-23 21:23:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:34,073 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 [2023-11-23 21:23:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:34,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:34,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:35,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:23:35,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-23 21:23:38,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:23:40,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655473689] [2023-11-23 21:23:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655473689] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [623899608] [2023-11-23 21:23:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:40,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:40,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:40,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:40,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:23:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:41,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:23:41,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:23:41,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:41,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [623899608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:41,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:23:41,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2023-11-23 21:23:41,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074390816] [2023-11-23 21:23:41,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:41,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:41,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:41,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:23:41,394 INFO L87 Difference]: Start difference. First operand 73 states and 115 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:23:44,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:46,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:48,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:48,212 INFO L93 Difference]: Finished difference Result 178 states and 276 transitions. [2023-11-23 21:23:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:48,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-23 21:23:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:48,220 INFO L225 Difference]: With dead ends: 178 [2023-11-23 21:23:48,221 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 21:23:48,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:23:48,225 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 40 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:48,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 207 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:23:48,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 21:23:48,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2023-11-23 21:23:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 75 states have (on average 1.44) internal successors, (108), 76 states have internal predecessors, (108), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:23:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 158 transitions. [2023-11-23 21:23:48,257 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 158 transitions. Word has length 152 [2023-11-23 21:23:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:48,258 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 158 transitions. [2023-11-23 21:23:48,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:23:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2023-11-23 21:23:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:23:48,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:48,264 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:48,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:48,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:48,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:48,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:48,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1356871871, now seen corresponding path program 1 times [2023-11-23 21:23:48,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514811117] [2023-11-23 21:23:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:48,682 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 [2023-11-23 21:23:48,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:48,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:48,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:23:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:49,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:23:49,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 21:23:52,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:23:53,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514811117] [2023-11-23 21:23:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514811117] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:53,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [576521259] [2023-11-23 21:23:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:53,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:53,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:53,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:53,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:23:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:56,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:23:56,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 21:23:59,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:24:00,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [576521259] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:00,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775264260] [2023-11-23 21:24:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:00,512 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:00,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351d36f-2070-4c3d-b973-9a0910f00de6/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:24:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat