./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 28a2314d0eb39c8d888aa07b1b8fb1747bceaf1ce795da8e04052ca9dd24aac3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:33,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:33,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:33,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:33,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:33,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:33,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:33,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:33,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:33,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:33,200 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:33,200 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:33,201 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:33,201 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:33,202 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:33,203 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:33,203 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:33,204 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:33,204 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:33,205 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:33,205 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:33,206 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:33,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:33,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:33,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:33,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:33,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:33,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:33,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:33,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:33,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:33,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:33,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:33,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:33,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:33,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:33,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:33,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:33,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:33,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:33,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:33,214 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:33,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:33,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:33,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:33,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:33,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:33,215 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28a2314d0eb39c8d888aa07b1b8fb1747bceaf1ce795da8e04052ca9dd24aac3 [2023-11-23 21:15:33,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:33,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:33,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:33,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:33,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:33,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:36,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:37,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:37,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:37,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/5b84509d1/781ff0b052674df3a8072dc34c38ea21/FLAGb5cd5e76d [2023-11-23 21:15:37,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/5b84509d1/781ff0b052674df3a8072dc34c38ea21 [2023-11-23 21:15:37,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:37,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:37,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:37,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:37,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:37,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f417bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37, skipping insertion in model container [2023-11-23 21:15:37,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:37,540 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i[917,930] [2023-11-23 21:15:37,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:37,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:37,656 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i[917,930] [2023-11-23 21:15:37,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:37,731 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:37,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37 WrapperNode [2023-11-23 21:15:37,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:37,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:37,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:37,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:37,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,838 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-23 21:15:37,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:37,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:37,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:37,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:37,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:37,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:37,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:37,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:37,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:37,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:38,156 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:38,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:38,823 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:39,080 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:39,080 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:39,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:39 BoogieIcfgContainer [2023-11-23 21:15:39,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:39,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:39,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:39,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:39,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:37" (1/3) ... [2023-11-23 21:15:39,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ad7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:39, skipping insertion in model container [2023-11-23 21:15:39,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (2/3) ... [2023-11-23 21:15:39,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ad7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:39, skipping insertion in model container [2023-11-23 21:15:39,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:39" (3/3) ... [2023-11-23 21:15:39,095 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:39,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:39,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:39,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:39,208 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;@374c9002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:39,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:15:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:15:39,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:39,230 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:39,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:39,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1895398856, now seen corresponding path program 1 times [2023-11-23 21:15:39,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:39,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972947039] [2023-11-23 21:15:39,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:39,503 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:39,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787374651] [2023-11-23 21:15:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:39,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:39,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:39,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:40,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:40,332 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:40,336 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:40,337 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:40,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:40,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:15:40,558 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:40,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:40,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:40 BoogieIcfgContainer [2023-11-23 21:15:40,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:40,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:40,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:40,741 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:40,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:39" (3/4) ... [2023-11-23 21:15:40,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:40,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:40,747 INFO L158 Benchmark]: Toolchain (without parser) took 3469.26ms. Allocated memory is still 195.0MB. Free memory was 149.7MB in the beginning and 80.8MB in the end (delta: 68.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,748 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:40,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.47ms. Allocated memory is still 195.0MB. Free memory was 149.7MB in the beginning and 135.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.49ms. Allocated memory is still 195.0MB. Free memory was 134.4MB in the beginning and 130.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,750 INFO L158 Benchmark]: Boogie Preprocessor took 65.39ms. Allocated memory is still 195.0MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,751 INFO L158 Benchmark]: RCFGBuilder took 1176.74ms. Allocated memory is still 195.0MB. Free memory was 128.1MB in the beginning and 133.2MB in the end (delta: -5.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,752 INFO L158 Benchmark]: TraceAbstraction took 1654.02ms. Allocated memory is still 195.0MB. Free memory was 132.1MB in the beginning and 81.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 21:15:40,753 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 195.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:40,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.47ms. Allocated memory is still 195.0MB. Free memory was 149.7MB in the beginning and 135.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.49ms. Allocated memory is still 195.0MB. Free memory was 134.4MB in the beginning and 130.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.39ms. Allocated memory is still 195.0MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1176.74ms. Allocated memory is still 195.0MB. Free memory was 128.1MB in the beginning and 133.2MB in the end (delta: -5.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1654.02ms. Allocated memory is still 195.0MB. Free memory was 132.1MB in the beginning and 81.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 195.0MB. Free memory is still 80.8MB. 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 someBinaryDOUBLEComparisonOperation at line 139, overapproximation of shiftLeft at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed long int var_1_2 = -500; [L24] signed char var_1_3 = 1; [L25] signed char var_1_4 = 100; [L26] signed char var_1_5 = 5; [L27] signed char var_1_6 = 32; [L28] signed char var_1_7 = 32; [L29] unsigned short int var_1_8 = 8; [L30] unsigned short int var_1_9 = 25; [L31] unsigned short int var_1_10 = 21451; [L32] unsigned short int var_1_11 = 16; [L33] unsigned char var_1_12 = 8; [L34] unsigned short int var_1_13 = 16; [L35] unsigned char var_1_14 = 1; [L36] signed long int var_1_15 = 0; [L37] unsigned short int var_1_16 = 53444; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] double var_1_19 = 1.2; [L41] signed char var_1_20 = 1; [L42] double var_1_21 = 10.5; [L43] double var_1_22 = 0.0; [L44] double var_1_23 = 10.4; [L45] double var_1_24 = 50.5; [L46] unsigned short int var_1_25 = 2; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L88] var_1_3 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L91] var_1_4 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L93] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L94] var_1_5 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L96] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L97] var_1_6 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8, var_1_9=25] [L99] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8, var_1_9=25] [L100] var_1_7 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=25] [L102] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=25] [L103] var_1_9 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L105] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L106] var_1_10 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, var_1_10=16383, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L108] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, var_1_10=16383, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L111] CALL assume_abort_if_not(var_1_11 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 <= 16383) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L112] var_1_14 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L114] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L115] var_1_15 = __VERIFIER_nondet_long() [L116] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L117] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L118] var_1_16 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L120] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L121] var_1_18 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L123] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L124] var_1_20 = __VERIFIER_nondet_char() [L125] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L126] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L127] var_1_21 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L129] var_1_22 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L131] var_1_23 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_24=101/2, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L133] var_1_24 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=23, var_1_25=2, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8, var_1_9=32] [L147] RET updateVariables() [L148] CALL step() [L50] signed long int stepLocal_0 = -1000000; [L51] COND FALSE !(var_1_2 >= stepLocal_0) [L54] var_1_1 = (var_1_5 - ((var_1_6 - 8) + var_1_7)) [L56] var_1_8 = (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11)) [L57] signed long int stepLocal_1 = var_1_2; [L58] COND FALSE !(var_1_8 == stepLocal_1) [L61] signed long int stepLocal_2 = var_1_15; [L62] COND FALSE !(\read(var_1_14)) [L69] var_1_13 = (var_1_16 - var_1_10) [L71] COND FALSE !(((((((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) < (var_1_8)) ? (((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) : (var_1_8))) > (var_1_3 * var_1_12)) [L74] signed long int stepLocal_3 = var_1_5 - var_1_20; [L75] COND TRUE var_1_1 >= stepLocal_3 [L76] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) [L78] COND FALSE !((var_1_13 < var_1_12) || var_1_14) [L81] var_1_25 = var_1_7 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L139] EXPR var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) [L139] EXPR ((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L139-L140] return (((((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) < (var_1_8)) ? (((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) : (var_1_8))) > (var_1_3 * var_1_12)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((var_1_13 < var_1_12) || var_1_14) ? (var_1_25 == ((unsigned short int) (((((var_1_11) > (var_1_9)) ? (var_1_11) : (var_1_9))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16384, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=-23, var_1_20=23, var_1_25=0, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=16415, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=16383, var_1_11=31, var_1_12=8, var_1_13=16384, var_1_14=0, var_1_15=16416, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=-23, var_1_20=23, var_1_25=0, var_1_2=-1000001, var_1_3=4, var_1_4=-127, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=16415, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 21:15:40,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 28a2314d0eb39c8d888aa07b1b8fb1747bceaf1ce795da8e04052ca9dd24aac3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:44,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:44,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:44,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:44,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:44,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:44,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:44,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:44,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:44,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:44,460 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:44,461 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:44,462 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:44,464 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:44,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:44,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:44,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:44,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:44,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:44,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:44,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:44,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:44,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:44,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:44,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:44,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:44,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:44,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:44,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:44,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:44,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:44,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:44,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:44,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:44,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:44,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:44,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:44,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:44,479 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:44,480 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:44,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:44,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:44,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:44,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:44,482 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28a2314d0eb39c8d888aa07b1b8fb1747bceaf1ce795da8e04052ca9dd24aac3 [2023-11-23 21:15:44,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:45,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:45,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:45,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:45,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:45,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:48,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:49,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:49,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:49,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/cd03ef863/0a7f6ba53bc6406192b92ff2112102c6/FLAGe32a8d436 [2023-11-23 21:15:49,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/data/cd03ef863/0a7f6ba53bc6406192b92ff2112102c6 [2023-11-23 21:15:49,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:49,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:49,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:49,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:49,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:49,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db93387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49, skipping insertion in model container [2023-11-23 21:15:49,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:49,478 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i[917,930] [2023-11-23 21:15:49,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:49,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:49,674 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_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-21.i[917,930] [2023-11-23 21:15:49,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:49,779 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:49,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49 WrapperNode [2023-11-23 21:15:49,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:49,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:49,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:49,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:49,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,886 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-23 21:15:49,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:49,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:49,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:49,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:49,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:49,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:50,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:50,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:50,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:50,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:50,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:50,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (1/1) ... [2023-11-23 21:15:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:50,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:50,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:50,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:50,324 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:50,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:51,738 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:51,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:51,859 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:51,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:51 BoogieIcfgContainer [2023-11-23 21:15:51,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:51,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:51,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:51,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:51,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:49" (1/3) ... [2023-11-23 21:15:51,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313e6c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:51, skipping insertion in model container [2023-11-23 21:15:51,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:49" (2/3) ... [2023-11-23 21:15:51,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313e6c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:51, skipping insertion in model container [2023-11-23 21:15:51,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:51" (3/3) ... [2023-11-23 21:15:51,872 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-21.i [2023-11-23 21:15:51,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:51,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:51,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:51,998 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;@358174ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:51,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:15:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:15:52,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:52,046 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:52,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:52,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:52,057 INFO L85 PathProgramCache]: Analyzing trace with hash -694731706, now seen corresponding path program 1 times [2023-11-23 21:15:52,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:52,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585792235] [2023-11-23 21:15:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:52,083 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 21:15:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:52,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 21:15:52,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 21:15:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:52,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:52,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-11-23 21:15:52,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:52,955 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:52,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585792235] [2023-11-23 21:15:52,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585792235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:52,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:52,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:52,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472452718] [2023-11-23 21:15:52,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:52,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:52,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:53,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:53,029 INFO L87 Difference]: Start difference. First operand has 73 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:15:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:53,859 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-23 21:15:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:53,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 192 [2023-11-23 21:15:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:53,884 INFO L225 Difference]: With dead ends: 143 [2023-11-23 21:15:53,884 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 21:15:53,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 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 21:15:53,901 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:53,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 21:15:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 21:15:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 21:15:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:15:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-11-23 21:15:53,958 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 192 [2023-11-23 21:15:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:53,959 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-11-23 21:15:53,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:15:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-11-23 21:15:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:15:53,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:53,966 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:53,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:54,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 21:15:54,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:54,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash 273415230, now seen corresponding path program 1 times [2023-11-23 21:15:54,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258725683] [2023-11-23 21:15:54,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:54,184 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 21:15:54,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:54,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 21:15:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3577d0e3-3c43-419e-bbf8-ee1a987ad6b1/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 21:15:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:57,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-23 21:15:57,561 INFO L285 TraceCheckSpWp]: Computing forward predicates...