./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:45:41,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:41,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:45:41,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:41,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:41,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:41,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:41,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:41,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:41,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:41,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:41,399 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:41,400 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:41,401 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:45:41,402 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:41,402 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:41,403 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:45:41,403 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:45:41,404 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:41,404 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:45:41,405 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:45:41,406 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:45:41,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:41,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:41,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:45:41,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:45:41,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:45:41,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:41,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:41,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:41,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:41,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:45:41,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:41,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:41,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:41,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:41,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:41,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:41,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:41,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:41,415 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:45:41,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:45:41,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:41,416 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:41,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:41,417 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a [2023-11-12 00:45:41,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:41,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:41,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:41,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:41,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:41,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:44,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:45:45,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:45:45,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:45,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/6fdacf2b6/51a89f6cb042464bb8d2a7f11e45a7cd/FLAG64857ed9f [2023-11-12 00:45:45,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/6fdacf2b6/51a89f6cb042464bb8d2a7f11e45a7cd [2023-11-12 00:45:45,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:45:45,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:45:45,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:45,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:45:45,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:45:45,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6280a81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45, skipping insertion in model container [2023-11-12 00:45:45,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:45:45,563 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-11-12 00:45:45,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:45,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:45:45,692 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-11-12 00:45:45,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:45,777 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:45:45,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45 WrapperNode [2023-11-12 00:45:45,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:45,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:45,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:45:45,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:45:45,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,864 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-11-12 00:45:45,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:45,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:45:45,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:45:45,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:45:45,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:45:45,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:45:45,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:45:45,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:45:45,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (1/1) ... [2023-11-12 00:45:45,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:45,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:45,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:45:45,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:45:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:45:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:45:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:45:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:45:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:45:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:45:46,165 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:45:46,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:45:46,810 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:45:47,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:45:47,487 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:45:47,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:47 BoogieIcfgContainer [2023-11-12 00:45:47,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:45:47,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:45:47,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:45:47,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:45:47,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:45" (1/3) ... [2023-11-12 00:45:47,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bc2a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:47, skipping insertion in model container [2023-11-12 00:45:47,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45" (2/3) ... [2023-11-12 00:45:47,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bc2a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:47, skipping insertion in model container [2023-11-12 00:45:47,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:47" (3/3) ... [2023-11-12 00:45:47,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:47,527 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:45:47,527 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:45:47,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:45:47,591 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;@37cc6b37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:45:47,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:45:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:45:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:45:47,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:47,607 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:47,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:47,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:47,617 INFO L85 PathProgramCache]: Analyzing trace with hash 884913844, now seen corresponding path program 1 times [2023-11-12 00:45:47,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:45:47,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23221082] [2023-11-12 00:45:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:47,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:45:47,808 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:45:47,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330544486] [2023-11-12 00:45:47,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:47,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:47,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:47,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:45:47,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:45:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:45:48,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:45:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:45:48,393 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:45:48,429 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:45:48,431 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:45:48,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:45:48,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:45:48,644 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:45:48,649 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:45:48,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:45:48 BoogieIcfgContainer [2023-11-12 00:45:48,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:45:48,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:45:48,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:45:48,771 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:45:48,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:47" (3/4) ... [2023-11-12 00:45:48,774 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:45:48,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:45:48,777 INFO L158 Benchmark]: Toolchain (without parser) took 3470.68ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 126.9MB in the beginning and 153.7MB in the end (delta: -26.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,778 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 131.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:48,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.34ms. Allocated memory is still 157.3MB. Free memory was 126.9MB in the beginning and 111.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.76ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 106.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,780 INFO L158 Benchmark]: Boogie Preprocessor took 53.03ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,780 INFO L158 Benchmark]: RCFGBuilder took 1571.39ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,781 INFO L158 Benchmark]: TraceAbstraction took 1275.69ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 101.0MB in the beginning and 154.7MB in the end (delta: -53.7MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:48,782 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 199.2MB. Free memory was 154.7MB in the beginning and 153.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:48,785 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 119.5MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 131.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.34ms. Allocated memory is still 157.3MB. Free memory was 126.9MB in the beginning and 111.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.76ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 106.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.03ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1571.39ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.69ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 101.0MB in the beginning and 154.7MB in the end (delta: -53.7MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 199.2MB. Free memory was 154.7MB in the beginning and 153.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 120, overapproximation of shiftRight at line 72, overapproximation of bitwiseOr at line 109, overapproximation of bitwiseAnd at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] float var_1_21 = 4.2; [L41] float var_1_22 = 5.5; [L42] signed short int var_1_23 = -10; [L43] unsigned long int var_1_30 = 1000000000; [L44] unsigned long int var_1_31 = 4155847319; [L45] float var_1_33 = 99.25; [L46] signed long int var_1_34 = 10; [L47] unsigned char var_1_35 = 16; [L48] unsigned char var_1_36 = 100; [L49] signed long int var_1_39 = -128; [L50] signed long int var_1_40 = 1792665454; [L51] unsigned char last_1_var_1_8 = 1; [L52] signed char last_1_var_1_14 = -1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L183] last_1_var_1_8 = var_1_8 [L184] last_1_var_1_14 = var_1_14 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L149] var_1_7 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L152] var_1_9 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L155] var_1_10 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L158] var_1_12 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] var_1_13 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L162] var_1_15 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=11/2, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L172] var_1_31 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_31 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_31 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L174] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L175] var_1_36 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L178] var_1_40 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L195] RET updateVariables() [L196] CALL step() [L56] unsigned char stepLocal_0 = last_1_var_1_8; [L57] COND TRUE stepLocal_0 && last_1_var_1_8 [L58] COND TRUE \read(last_1_var_1_8) [L59] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L64] COND FALSE !(var_1_5 < var_1_3) [L67] var_1_8 = (! var_1_10) [L69] COND FALSE !(\read(var_1_8)) [L72] EXPR var_1_1 >> var_1_5 [L72] COND FALSE !(var_1_1 > (var_1_1 >> var_1_5)) [L79] var_1_39 = var_1_14 [L81] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L82] COND FALSE !(128u <= var_1_1) [L97] COND TRUE (64.4f + 1.5f) <= var_1_13 [L98] COND FALSE !(var_1_1 >= var_1_4) [L102] COND FALSE !(var_1_5 >= var_1_1) [L105] COND TRUE var_1_31 > var_1_1 [L106] var_1_35 = var_1_36 [L114] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L115] COND FALSE !(stepLocal_3 || (var_1_8 && var_1_10)) [L118] var_1_18 = var_1_2 [L120] var_1_20 = ((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) [L121] signed long int stepLocal_1 = 8 + var_1_14; [L122] COND FALSE !(var_1_4 == stepLocal_1) [L125] var_1_33 = var_1_21 [L126] EXPR var_1_15 & var_1_1 [L126] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L127] COND FALSE !(var_1_12 >= 9.6) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L187] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L187] EXPR var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4))) [L187] EXPR (var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1 [L187] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L187-L188] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=1, var_1_19=4294967294, var_1_1=50, var_1_20=4, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=4, var_1_34=10, var_1_35=0, var_1_36=0, var_1_39=-1, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=0, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=1, var_1_19=4294967294, var_1_1=50, var_1_20=4, var_1_21=4, var_1_22=5, var_1_23=-10, var_1_2=1, var_1_30=1000000000, var_1_31=4294967294, var_1_33=4, var_1_34=10, var_1_35=0, var_1_36=0, var_1_39=-1, var_1_3=0, var_1_40=2147483646, var_1_4=51, var_1_5=0, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:45:48,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:45:51,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:51,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:45:51,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:51,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:51,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:51,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:51,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:51,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:51,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:51,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:51,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:51,746 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:51,747 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:51,748 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:51,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:51,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:51,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:51,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:45:51,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:45:51,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:51,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:51,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:51,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:51,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:45:51,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:45:51,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:45:51,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:45:51,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:51,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:51,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:51,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:45:51,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:51,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:51,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:51,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:51,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:51,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:45:51,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:45:51,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:51,762 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:51,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:51,763 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a [2023-11-12 00:45:52,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:52,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:52,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:52,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:52,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:52,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:55,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:45:55,623 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:45:55,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:55,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/ebab38449/0d89e7ffc8224f5f8c269aefa24637bf/FLAG593eb2074 [2023-11-12 00:45:55,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/data/ebab38449/0d89e7ffc8224f5f8c269aefa24637bf [2023-11-12 00:45:55,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:45:55,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:45:55,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:55,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:45:55,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:45:55,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4187ab4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55, skipping insertion in model container [2023-11-12 00:45:55,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:45:55,878 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-11-12 00:45:56,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:56,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:45:56,061 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_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-11-12 00:45:56,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:56,174 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:45:56,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56 WrapperNode [2023-11-12 00:45:56,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:56,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:56,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:45:56,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:45:56,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,264 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-12 00:45:56,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:56,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:45:56,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:45:56,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:45:56,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:45:56,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:45:56,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:45:56,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:45:56,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (1/1) ... [2023-11-12 00:45:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:56,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:56,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:45:56,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:45:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:45:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:45:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:45:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:45:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:45:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:45:56,626 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:45:56,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:45:57,765 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:45:57,773 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:45:57,773 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:45:57,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:57 BoogieIcfgContainer [2023-11-12 00:45:57,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:45:57,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:45:57,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:45:57,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:45:57,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:55" (1/3) ... [2023-11-12 00:45:57,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ee279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:57, skipping insertion in model container [2023-11-12 00:45:57,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:56" (2/3) ... [2023-11-12 00:45:57,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787ee279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:57, skipping insertion in model container [2023-11-12 00:45:57,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:57" (3/3) ... [2023-11-12 00:45:57,786 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-11-12 00:45:57,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:45:57,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:45:57,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:45:57,874 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;@6bcb269a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:45:57,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:45:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:45:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:45:57,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:57,901 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:57,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:57,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2003112969, now seen corresponding path program 1 times [2023-11-12 00:45:57,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:57,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584407742] [2023-11-12 00:45:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:57,928 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 00:45:57,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:57,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:45:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:45:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:58,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:45:58,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:45:58,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:45:58,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:45:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584407742] [2023-11-12 00:45:58,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584407742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:58,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:45:58,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:45:58,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145708977] [2023-11-12 00:45:58,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:45:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:45:58,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:45:58,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:45:58,504 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:45:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:58,541 INFO L93 Difference]: Finished difference Result 163 states and 288 transitions. [2023-11-12 00:45:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:45:58,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2023-11-12 00:45:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:58,553 INFO L225 Difference]: With dead ends: 163 [2023-11-12 00:45:58,554 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 00:45:58,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 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 00:45:58,562 INFO L413 NwaCegarLoop]: 127 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, 127 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 00:45:58,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:45:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 00:45:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 00:45:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:45:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 127 transitions. [2023-11-12 00:45:58,618 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 127 transitions. Word has length 169 [2023-11-12 00:45:58,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:58,618 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 127 transitions. [2023-11-12 00:45:58,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:45:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2023-11-12 00:45:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:45:58,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:58,624 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:58,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:58,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:45:58,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:58,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1737596881, now seen corresponding path program 1 times [2023-11-12 00:45:58,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:45:58,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100512039] [2023-11-12 00:45:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:58,853 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 00:45:58,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:45:58,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:45:58,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:45:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:59,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:45:59,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:45:59,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:45:59,867 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:45:59,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100512039] [2023-11-12 00:45:59,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100512039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:59,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:45:59,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:45:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912348259] [2023-11-12 00:45:59,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:59,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:45:59,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:45:59,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:45:59,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:45:59,877 INFO L87 Difference]: Start difference. First operand 81 states and 127 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:00,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:00,834 INFO L93 Difference]: Finished difference Result 238 states and 376 transitions. [2023-11-12 00:46:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:46:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-12 00:46:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:00,848 INFO L225 Difference]: With dead ends: 238 [2023-11-12 00:46:00,848 INFO L226 Difference]: Without dead ends: 160 [2023-11-12 00:46:00,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:46:00,851 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 74 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:00,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 414 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:46:00,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-12 00:46:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2023-11-12 00:46:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 75 states have internal predecessors, (97), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:46:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 201 transitions. [2023-11-12 00:46:00,899 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 201 transitions. Word has length 169 [2023-11-12 00:46:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:00,900 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 201 transitions. [2023-11-12 00:46:00,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2023-11-12 00:46:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:00,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:00,905 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:00,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:01,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:01,124 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:01,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 137762340, now seen corresponding path program 1 times [2023-11-12 00:46:01,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:01,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339114887] [2023-11-12 00:46:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:01,127 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 00:46:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:01,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:01,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:01,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:46:01,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:46:02,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:46:02,926 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339114887] [2023-11-12 00:46:02,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339114887] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1662586239] [2023-11-12 00:46:02,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:02,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:02,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:02,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:02,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:46:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:03,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:03,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:46:03,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:03,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1662586239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:03,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:46:03,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 7] total 14 [2023-11-12 00:46:03,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583548631] [2023-11-12 00:46:03,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:03,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:46:03,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:03,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:46:03,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:46:03,664 INFO L87 Difference]: Start difference. First operand 130 states and 201 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:04,457 INFO L93 Difference]: Finished difference Result 285 states and 447 transitions. [2023-11-12 00:46:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:46:04,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-12 00:46:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:04,462 INFO L225 Difference]: With dead ends: 285 [2023-11-12 00:46:04,462 INFO L226 Difference]: Without dead ends: 207 [2023-11-12 00:46:04,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:46:04,464 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 121 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:04,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 358 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 00:46:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-12 00:46:04,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 145. [2023-11-12 00:46:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:46:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2023-11-12 00:46:04,500 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 170 [2023-11-12 00:46:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:04,501 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2023-11-12 00:46:04,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2023-11-12 00:46:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:04,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:04,506 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:04,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:04,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-12 00:46:04,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:04,927 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:04,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:04,928 INFO L85 PathProgramCache]: Analyzing trace with hash 817820710, now seen corresponding path program 1 times [2023-11-12 00:46:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455656893] [2023-11-12 00:46:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:04,929 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 00:46:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:04,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 (6)] Waiting until timeout for monitored process [2023-11-12 00:46:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:05,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:46:05,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:46:06,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:46:06,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:06,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455656893] [2023-11-12 00:46:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455656893] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [971085060] [2023-11-12 00:46:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:06,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:06,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:06,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:46:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:07,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:46:07,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:46:08,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:46:08,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [971085060] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:08,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840658832] [2023-11-12 00:46:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:08,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:08,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:08,315 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:46:08,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:46:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:08,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:46:08,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 662 proven. 84 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-12 00:46:09,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:46:10,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840658832] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:10,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:46:10,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7, 7, 9, 7] total 21 [2023-11-12 00:46:10,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378580078] [2023-11-12 00:46:10,011 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:46:10,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-12 00:46:10,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-12 00:46:10,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:46:10,016 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 21 states, 21 states have (on average 6.714285714285714) internal successors, (141), 21 states have internal predecessors, (141), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) [2023-11-12 00:46:14,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:14,196 INFO L93 Difference]: Finished difference Result 566 states and 860 transitions. [2023-11-12 00:46:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-12 00:46:14,198 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.714285714285714) internal successors, (141), 21 states have internal predecessors, (141), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) Word has length 170 [2023-11-12 00:46:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:14,203 INFO L225 Difference]: With dead ends: 566 [2023-11-12 00:46:14,204 INFO L226 Difference]: Without dead ends: 473 [2023-11-12 00:46:14,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 996 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=594, Invalid=1568, Unknown=0, NotChecked=0, Total=2162 [2023-11-12 00:46:14,206 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 690 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:14,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 974 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-12 00:46:14,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-11-12 00:46:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 341. [2023-11-12 00:46:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 216 states have (on average 1.2731481481481481) internal successors, (275), 217 states have internal predecessors, (275), 114 states have call successors, (114), 10 states have call predecessors, (114), 10 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-11-12 00:46:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 503 transitions. [2023-11-12 00:46:14,271 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 503 transitions. Word has length 170 [2023-11-12 00:46:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:14,272 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 503 transitions. [2023-11-12 00:46:14,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.714285714285714) internal successors, (141), 21 states have internal predecessors, (141), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) [2023-11-12 00:46:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 503 transitions. [2023-11-12 00:46:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:14,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:14,276 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:14,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:14,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:14,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:14,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:14,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:14,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:14,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1726110242, now seen corresponding path program 1 times [2023-11-12 00:46:14,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:14,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180960364] [2023-11-12 00:46:14,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:14,895 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 00:46:14,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:14,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:14,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 (9)] Waiting until timeout for monitored process [2023-11-12 00:46:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:15,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:46:15,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 295 proven. 66 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2023-11-12 00:46:18,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:22,524 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180960364] [2023-11-12 00:46:22,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180960364] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:22,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1818305798] [2023-11-12 00:46:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:22,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:22,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:22,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-12 00:46:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:23,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:46:23,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:46:26,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1818305798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:26,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:46:26,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2023-11-12 00:46:26,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625475653] [2023-11-12 00:46:26,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:26,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:46:26,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:26,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:46:26,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:46:26,286 INFO L87 Difference]: Start difference. First operand 341 states and 503 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:29,173 INFO L93 Difference]: Finished difference Result 731 states and 1075 transitions. [2023-11-12 00:46:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:46:29,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-12 00:46:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:29,179 INFO L225 Difference]: With dead ends: 731 [2023-11-12 00:46:29,179 INFO L226 Difference]: Without dead ends: 449 [2023-11-12 00:46:29,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 340 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:46:29,182 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 83 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:29,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 379 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-12 00:46:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-12 00:46:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 438. [2023-11-12 00:46:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 298 states have (on average 1.2852348993288591) internal successors, (383), 302 states have internal predecessors, (383), 126 states have call successors, (126), 13 states have call predecessors, (126), 13 states have return successors, (126), 122 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-12 00:46:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 635 transitions. [2023-11-12 00:46:29,267 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 635 transitions. Word has length 170 [2023-11-12 00:46:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:29,269 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 635 transitions. [2023-11-12 00:46:29,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:46:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 635 transitions. [2023-11-12 00:46:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:29,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:29,272 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:29,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:29,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:29,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:29,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:29,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1984275680, now seen corresponding path program 1 times [2023-11-12 00:46:29,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:29,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066813403] [2023-11-12 00:46:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:29,681 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 00:46:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:29,682 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 00:46:29,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8db7386-fdf2-45ba-9eb5-e0c93ca8555d/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 (11)] Waiting until timeout for monitored process [2023-11-12 00:46:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:29,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 00:46:29,941 INFO L285 TraceCheckSpWp]: Computing forward predicates...