./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX --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 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:50,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:50,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:50,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:50,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:50,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:50,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:50,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:50,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:50,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:50,853 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:50,854 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:50,854 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:50,856 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:50,857 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:50,857 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:50,857 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:50,858 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:50,858 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:50,859 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:50,859 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:50,860 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:50,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:50,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:50,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:50,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:50,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:50,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:50,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:50,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:50,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:50,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:50,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:50,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:50,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:50,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:50,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:50,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:50,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:50,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:50,868 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:50,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:50,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:50,869 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:50,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:50,870 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_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 [2023-11-12 00:08:51,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:51,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:51,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:51,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:51,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:51,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-12 00:08:54,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:54,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:54,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-12 00:08:54,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/82887a8b3/280baf49324f46f29c25349bdce3a1f1/FLAGd2de07b5c [2023-11-12 00:08:54,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/82887a8b3/280baf49324f46f29c25349bdce3a1f1 [2023-11-12 00:08:54,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:54,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:54,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:54,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:54,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42518ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54, skipping insertion in model container [2023-11-12 00:08:54,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:55,118 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_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-12 00:08:55,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:55,208 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:55,225 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_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-12 00:08:55,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:55,288 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:55,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55 WrapperNode [2023-11-12 00:08:55,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:55,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:55,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:55,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:55,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,381 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-12 00:08:55,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:55,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:55,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:55,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:55,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:55,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:55,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:55,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:55,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (1/1) ... [2023-11-12 00:08:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:55,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:55,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:55,727 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:55,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:56,249 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:56,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:56,553 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:56,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:56 BoogieIcfgContainer [2023-11-12 00:08:56,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:56,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:56,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:56,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:56,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:54" (1/3) ... [2023-11-12 00:08:56,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c833ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:56, skipping insertion in model container [2023-11-12 00:08:56,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:55" (2/3) ... [2023-11-12 00:08:56,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c833ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:56, skipping insertion in model container [2023-11-12 00:08:56,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:56" (3/3) ... [2023-11-12 00:08:56,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-1.i [2023-11-12 00:08:56,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:56,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:56,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:56,662 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;@40c7eaea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:56,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:08:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 00:08:56,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:56,687 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:56,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:56,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:56,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1184783221, now seen corresponding path program 1 times [2023-11-12 00:08:56,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:56,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300939561] [2023-11-12 00:08:56,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:57,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:57,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249174428] [2023-11-12 00:08:57,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:57,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:57,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:57,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:57,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:57,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:57,556 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:57,558 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:57,559 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:57,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:57,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:57,773 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:57,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:57,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:57 BoogieIcfgContainer [2023-11-12 00:08:57,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:57,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:57,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:57,948 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:57,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:56" (3/4) ... [2023-11-12 00:08:57,951 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:57,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:57,956 INFO L158 Benchmark]: Toolchain (without parser) took 3064.68ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 84.3MB in the beginning and 115.3MB in the end (delta: -31.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,957 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:57,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.64ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 70.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.01ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,960 INFO L158 Benchmark]: Boogie Preprocessor took 55.48ms. Allocated memory is still 125.8MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,961 INFO L158 Benchmark]: RCFGBuilder took 1118.65ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 65.8MB in the beginning and 111.7MB in the end (delta: -46.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,962 INFO L158 Benchmark]: TraceAbstraction took 1385.66ms. Allocated memory is still 163.6MB. Free memory was 110.8MB in the beginning and 116.3MB in the end (delta: -5.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,963 INFO L158 Benchmark]: Witness Printer took 8.38ms. Allocated memory is still 163.6MB. Free memory was 116.3MB in the beginning and 115.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:57,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.64ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 70.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.01ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.48ms. Allocated memory is still 125.8MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.65ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 65.8MB in the beginning and 111.7MB in the end (delta: -46.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1385.66ms. Allocated memory is still 163.6MB. Free memory was 110.8MB in the beginning and 116.3MB in the end (delta: -5.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Witness Printer took 8.38ms. Allocated memory is still 163.6MB. Free memory was 116.3MB in the beginning and 115.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 152, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] unsigned long int var_1_2 = 256; [L24] unsigned long int var_1_3 = 0; [L25] unsigned long int var_1_4 = 8; [L26] signed short int var_1_5 = 50; [L27] double var_1_6 = 31.5; [L28] signed short int var_1_7 = 128; [L29] signed short int var_1_8 = 64; [L30] double var_1_9 = 1000000000.25; [L31] float var_1_10 = 1.1; [L32] float var_1_11 = 8.75; [L33] float var_1_12 = 63.8; [L34] unsigned char var_1_13 = 1; [L35] float var_1_14 = 127.5; [L36] signed char var_1_15 = -2; [L37] signed char var_1_16 = 1; [L38] signed char var_1_17 = 1; [L39] signed char var_1_18 = 1; [L40] signed char var_1_19 = -2; [L41] signed char var_1_20 = 16; [L42] signed char var_1_21 = 2; [L43] signed char var_1_22 = 8; [L44] unsigned char var_1_23 = 0; [L45] unsigned char var_1_24 = 0; [L46] unsigned char var_1_25 = 0; [L47] unsigned char var_1_26 = 0; [L48] unsigned char var_1_27 = 32; [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] FCALL updateLastVariables() [L160] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L96] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=0, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L97] var_1_3 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L99] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=8, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L100] var_1_4 = __VERIFIER_nondet_ulong() [L101] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L102] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=50, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L103] var_1_5 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L105] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=128, var_1_8=64, var_1_9=4000000001/4] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L108] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=64, var_1_9=4000000001/4] [L109] var_1_8 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L111] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=4000000001/4] [L112] var_1_9 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L114] var_1_11 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L119] var_1_14 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L121] var_1_16 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L123] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L124] var_1_17 = __VERIFIER_nondet_char() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L126] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L127] var_1_19 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L129] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L130] var_1_20 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L132] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L133] var_1_21 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L135] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L136] var_1_22 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L138] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L139] var_1_24 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L141] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L142] var_1_25 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L144] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L145] var_1_26 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L147] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=3, var_1_12=319/5, var_1_13=1, var_1_14=4, var_1_15=-2, var_1_16=126, var_1_17=125, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=63/2, var_1_7=1, var_1_8=0, var_1_9=2] [L160] RET updateVariables() [L161] CALL step() [L52] COND FALSE !((var_1_2 + var_1_3) <= var_1_4) [L55] COND TRUE var_1_5 >= (var_1_4 * var_1_3) [L56] var_1_1 = var_1_5 [L61] COND TRUE var_1_5 < (var_1_7 - var_1_8) [L62] var_1_6 = var_1_9 [L64] COND FALSE !(var_1_4 > var_1_3) [L67] var_1_10 = 9.75f [L69] COND FALSE !(var_1_13 && (var_1_5 >= var_1_2)) [L72] COND FALSE !(1 >= var_1_2) [L75] var_1_12 = var_1_14 [L78] var_1_15 = (var_1_16 - var_1_17) [L79] COND TRUE ((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))) < 25u [L80] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L82] COND TRUE \read(var_1_13) [L83] COND FALSE !((~ var_1_21) > var_1_8) [L86] COND TRUE \read(var_1_24) [L87] var_1_23 = ((! var_1_25) || var_1_26) [L91] var_1_27 = var_1_21 [L161] RET step() [L162] CALL, EXPR property() [L152-L153] return (((((((((var_1_2 + var_1_3) <= var_1_4) ? (var_1_1 == ((signed short int) (128 + var_1_5))) : ((var_1_5 >= (var_1_4 * var_1_3)) ? (var_1_1 == ((signed short int) var_1_5)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_5 < (var_1_7 - var_1_8)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_4 > var_1_3) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_13 && (var_1_5 >= var_1_2)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_2) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_3) < (var_1_2)) ? (var_1_3) : (var_1_2))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_8) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=3, var_1_12=4, var_1_13=1, var_1_14=4, var_1_15=1, var_1_16=126, var_1_17=125, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=24, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=3, var_1_12=4, var_1_13=1, var_1_14=4, var_1_15=1, var_1_16=126, var_1_17=125, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_2=24, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 [2023-11-12 00:08:57,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX --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 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:00,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:00,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:09:00,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:00,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:00,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:00,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:00,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:00,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:00,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:00,861 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:00,862 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:00,862 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:00,864 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:00,865 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:00,865 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:00,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:00,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:00,867 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:00,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:00,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:00,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:00,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:00,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:00,870 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:09:00,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:09:00,871 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:09:00,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:00,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:00,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:00,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:00,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:09:00,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:00,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:00,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:00,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:00,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:00,876 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:09:00,877 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:00,878 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:00,878 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:00,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:00,879 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_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a57c27f965a2fe08061b76de57c2a45f21c49e0d373f19e2475a7595ce7210 [2023-11-12 00:09:01,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:01,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:01,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:01,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:01,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:01,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-12 00:09:04,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:04,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:04,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i [2023-11-12 00:09:04,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/660576731/1cd590c90b6d416b95410ec6824c6bc5/FLAG3b6c206c0 [2023-11-12 00:09:04,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/data/660576731/1cd590c90b6d416b95410ec6824c6bc5 [2023-11-12 00:09:04,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:04,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:04,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:04,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:04,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:04,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:04" (1/1) ... [2023-11-12 00:09:04,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b0eb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:04, skipping insertion in model container [2023-11-12 00:09:04,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:04" (1/1) ... [2023-11-12 00:09:05,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:05,239 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_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-12 00:09:05,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:05,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:05,340 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_71a22104-a1ff-427b-9e83-3c8c22583878/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-1.i[912,925] [2023-11-12 00:09:05,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:05,391 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:05,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05 WrapperNode [2023-11-12 00:09:05,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:05,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:05,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:05,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:05,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,448 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-12 00:09:05,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:05,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:05,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:05,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:05,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:05,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:05,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:05,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:05,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (1/1) ... [2023-11-12 00:09:05,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:05,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:05,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:05,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:09:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:05,717 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:05,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:06,376 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:06,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:06,389 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:06,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:06 BoogieIcfgContainer [2023-11-12 00:09:06,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:06,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:06,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:06,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:06,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:04" (1/3) ... [2023-11-12 00:09:06,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb398d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:06, skipping insertion in model container [2023-11-12 00:09:06,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:05" (2/3) ... [2023-11-12 00:09:06,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb398d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:06, skipping insertion in model container [2023-11-12 00:09:06,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:06" (3/3) ... [2023-11-12 00:09:06,405 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-1.i [2023-11-12 00:09:06,427 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:06,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:06,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:06,505 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;@3c748cae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:06,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:09:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-12 00:09:06,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:06,545 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:06,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:06,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:06,554 INFO L85 PathProgramCache]: Analyzing trace with hash -852377427, now seen corresponding path program 1 times [2023-11-12 00:09:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:06,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306683263] [2023-11-12 00:09:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:06,574 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 [2023-11-12 00:09:06,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:06,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:06,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:07,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:09:07,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2023-11-12 00:09:07,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:07,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:07,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306683263] [2023-11-12 00:09:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306683263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:07,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:07,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:07,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988649351] [2023-11-12 00:09:07,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:07,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:09:07,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:09:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:07,233 INFO L87 Difference]: Start difference. First operand has 85 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 48 states have internal predecessors, (62), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-12 00:09:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:07,282 INFO L93 Difference]: Finished difference Result 163 states and 293 transitions. [2023-11-12 00:09:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:09:07,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 211 [2023-11-12 00:09:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:07,295 INFO L225 Difference]: With dead ends: 163 [2023-11-12 00:09:07,295 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 00:09:07,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:07,304 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:07,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:07,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 00:09:07,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 00:09:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-12 00:09:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 125 transitions. [2023-11-12 00:09:07,378 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 125 transitions. Word has length 211 [2023-11-12 00:09:07,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:07,379 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 125 transitions. [2023-11-12 00:09:07,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-12 00:09:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 125 transitions. [2023-11-12 00:09:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-12 00:09:07,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:07,387 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:07,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:09:07,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:07,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:07,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:07,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1556694827, now seen corresponding path program 1 times [2023-11-12 00:09:07,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:07,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418610940] [2023-11-12 00:09:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:07,597 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 [2023-11-12 00:09:07,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:07,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:07,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:08,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:09:08,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-12 00:09:08,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:08,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:08,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418610940] [2023-11-12 00:09:08,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418610940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:08,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:08,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:08,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029457151] [2023-11-12 00:09:08,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:08,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:08,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:08,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:08,107 INFO L87 Difference]: Start difference. First operand 81 states and 125 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-12 00:09:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:08,307 INFO L93 Difference]: Finished difference Result 197 states and 300 transitions. [2023-11-12 00:09:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:08,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 211 [2023-11-12 00:09:08,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:08,321 INFO L225 Difference]: With dead ends: 197 [2023-11-12 00:09:08,321 INFO L226 Difference]: Without dead ends: 119 [2023-11-12 00:09:08,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:08,325 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 55 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:08,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:09:08,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-12 00:09:08,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-11-12 00:09:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 64 states have (on average 1.203125) internal successors, (77), 65 states have internal predecessors, (77), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-12 00:09:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2023-11-12 00:09:08,358 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 211 [2023-11-12 00:09:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:08,359 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2023-11-12 00:09:08,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-11-12 00:09:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2023-11-12 00:09:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-12 00:09:08,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:08,365 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:08,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:08,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:08,585 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:08,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2014794173, now seen corresponding path program 1 times [2023-11-12 00:09:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:08,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382787082] [2023-11-12 00:09:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:08,587 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 [2023-11-12 00:09:08,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:08,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:09:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:08,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:09:09,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-12 00:09:09,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:10,039 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:10,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382787082] [2023-11-12 00:09:10,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382787082] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:10,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1129406239] [2023-11-12 00:09:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:10,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:10,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:09:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:11,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:09:11,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-12 00:09:11,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:11,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1129406239] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:11,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145845918] [2023-11-12 00:09:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:11,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:11,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:11,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:11,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:09:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:11,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:09:11,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1572 proven. 96 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-12 00:09:12,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145845918] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:12,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:12,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-11-12 00:09:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447647590] [2023-11-12 00:09:12,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:12,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:09:12,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:09:12,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:09:12,732 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-12 00:09:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:13,783 INFO L93 Difference]: Finished difference Result 253 states and 367 transitions. [2023-11-12 00:09:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:09:13,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 212 [2023-11-12 00:09:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:13,796 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:09:13,796 INFO L226 Difference]: Without dead ends: 140 [2023-11-12 00:09:13,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:09:13,800 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 78 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:13,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 225 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:09:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-12 00:09:13,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2023-11-12 00:09:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 77 states have internal predecessors, (88), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-12 00:09:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 186 transitions. [2023-11-12 00:09:13,833 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 186 transitions. Word has length 212 [2023-11-12 00:09:13,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:13,834 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 186 transitions. [2023-11-12 00:09:13,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-12 00:09:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 186 transitions. [2023-11-12 00:09:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-12 00:09:13,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:13,841 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:13,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:14,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:14,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:14,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:14,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:14,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:14,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1415576566, now seen corresponding path program 1 times [2023-11-12 00:09:14,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:14,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822877976] [2023-11-12 00:09:14,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:14,456 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 [2023-11-12 00:09:14,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:14,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:14,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71a22104-a1ff-427b-9e83-3c8c22583878/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-12 00:09:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:14,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 00:09:14,827 INFO L285 TraceCheckSpWp]: Computing forward predicates...