./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:56,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:56,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:56,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:56,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:56,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:56,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:56,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:56,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:56,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:56,272 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:56,273 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:56,274 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:56,276 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:56,276 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:56,277 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:56,277 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:56,278 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:56,278 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:56,279 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:56,279 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:56,280 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:56,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:56,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:56,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:56,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:56,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:56,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:56,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:56,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:56,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:56,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:56,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:56,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:56,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:56,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:56,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:56,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:56,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:56,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:56,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:56,297 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:56,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:56,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:56,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:56,298 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:56,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:56,298 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_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d [2023-11-23 20:35:56,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:56,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:56,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:56,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:56,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:56,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:35:59,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:00,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:00,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:36:00,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/c928dc15f/a15309604380498999e360f50261166a/FLAGecbbe0da2 [2023-11-23 20:36:00,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/c928dc15f/a15309604380498999e360f50261166a [2023-11-23 20:36:00,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:00,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:00,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:00,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:00,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:00,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa762d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00, skipping insertion in model container [2023-11-23 20:36:00,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:00,347 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_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-11-23 20:36:00,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:00,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:00,447 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_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-11-23 20:36:00,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:00,565 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:00,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00 WrapperNode [2023-11-23 20:36:00,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:00,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:00,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:00,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:00,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,676 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2023-11-23 20:36:00,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:00,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:00,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:00,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:00,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:00,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:00,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:00,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:00,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (1/1) ... [2023-11-23 20:36:00,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:00,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:00,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:36:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:36:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 20:36:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:01,081 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:01,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:01,752 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:02,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:02,534 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:02,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:02 BoogieIcfgContainer [2023-11-23 20:36:02,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:02,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:02,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:02,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:02,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:00" (1/3) ... [2023-11-23 20:36:02,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1d682a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:02, skipping insertion in model container [2023-11-23 20:36:02,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:00" (2/3) ... [2023-11-23 20:36:02,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1d682a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:02, skipping insertion in model container [2023-11-23 20:36:02,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:02" (3/3) ... [2023-11-23 20:36:02,550 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:36:02,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:02,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:02,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:02,652 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;@1f02a8fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:02,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:36:02,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:02,673 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:02,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:02,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:02,682 INFO L85 PathProgramCache]: Analyzing trace with hash -966345981, now seen corresponding path program 1 times [2023-11-23 20:36:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:02,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164329477] [2023-11-23 20:36:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:03,027 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:03,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914077867] [2023-11-23 20:36:03,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:03,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:03,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:03,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:03,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:06,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:10,451 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:10,454 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:10,455 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:10,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:36:10,672 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:10,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:10,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 20:36:10,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 20:36:10,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 20:36:10,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 20:36:10,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 20:36:10,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 20:36:10,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 20:36:10,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 20:36:10,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-23 20:36:10,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-23 20:36:10,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 20:36:10,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 20:36:10,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 20:36:10,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 20:36:10,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:36:10,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 20:36:10,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 20:36:10,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 20:36:10,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 20:36:10,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 20:36:10,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-23 20:36:10,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 20:36:10,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-23 20:36:10,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-23 20:36:10,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 20:36:10,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 20:36:10,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 20:36:10,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:36:10,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 20:36:10,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 20:36:10,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:36:10,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:36:10,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 20:36:10,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-23 20:36:10,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 20:36:10,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-23 20:36:10,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:36:10,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:36:10,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 20:36:10,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 20:36:10,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 20:36:10,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 20:36:10,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:36:10,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 20:36:10,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-23 20:36:10,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 20:36:10,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:36:10,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-23 20:36:10,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-23 20:36:10,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:36:10,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 20:36:10,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 20:36:10,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:36:10,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-23 20:36:10,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-23 20:36:10,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-23 20:36:10,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 20:36:10,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 20:36:10,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-23 20:36:10,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 20:36:10,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:36:10,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 20:36:10,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 20:36:10,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:36:10,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 20:36:10,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-23 20:36:10,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 20:36:10,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 20:36:10,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 20:36:10,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-23 20:36:10,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 20:36:10,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 20:36:10,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 20:36:10,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-23 20:36:10,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:36:10,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:36:10,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 20:36:10,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 20:36:10,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:36:10,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:36:10,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 20:36:10,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 20:36:10,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-23 20:36:10,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-23 20:36:10,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:36:10,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:36:10,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:10 BoogieIcfgContainer [2023-11-23 20:36:10,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:10,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:10,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:10,805 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:10,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:02" (3/4) ... [2023-11-23 20:36:10,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:10,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:10,810 INFO L158 Benchmark]: Toolchain (without parser) took 10675.46ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 144.1MB in the beginning and 122.0MB in the end (delta: 22.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-23 20:36:10,810 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:10,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.13ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 126.1MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:36:10,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.69ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 122.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:36:10,812 INFO L158 Benchmark]: Boogie Preprocessor took 79.33ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 118.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:10,813 INFO L158 Benchmark]: RCFGBuilder took 1777.78ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 118.7MB in the beginning and 123.8MB in the end (delta: -5.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-23 20:36:10,814 INFO L158 Benchmark]: TraceAbstraction took 8263.29ms. Allocated memory is still 209.7MB. Free memory was 122.8MB in the beginning and 122.0MB in the end (delta: 806.4kB). Peak memory consumption was 806.4kB. Max. memory is 16.1GB. [2023-11-23 20:36:10,814 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 209.7MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:10,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.13ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 126.1MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.69ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 122.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.33ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 118.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1777.78ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 118.7MB in the beginning and 123.8MB in the end (delta: -5.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8263.29ms. Allocated memory is still 209.7MB. Free memory was 122.8MB in the beginning and 122.0MB in the end (delta: 806.4kB). Peak memory consumption was 806.4kB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 209.7MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L59] unsigned char last_1_WrapperStruct00_var_1_14 = 0; [L60] signed long int last_1_WrapperStruct00_var_1_18 = -32; [L61] unsigned long int last_1_WrapperStruct00_var_1_20 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_14 [L122] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L124] EXPR WrapperStruct00.var_1_20 [L124] last_1_WrapperStruct00_var_1_20 = WrapperStruct00.var_1_20 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L90] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L100] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L104] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L105] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L106] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L108] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L109] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L111] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L114] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L117] WrapperStruct00.var_1_21 = __VERIFIER_nondet_ulong() [L118] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L135] RET updateVariables() [L136] CALL step() [L65] EXPR WrapperStruct00.var_1_4 [L65] COND TRUE (WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18 [L66] EXPR WrapperStruct00.var_1_9 [L66] EXPR WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_11 [L66] EXPR WrapperStruct00.var_1_12 [L66] COND FALSE !(((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) [L72] EXPR WrapperStruct00.var_1_13 [L72] EXPR WrapperStruct00.var_1_6 [L72] COND TRUE WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_13 [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) [L73] EXPR WrapperStruct00.var_1_6 [L73] WrapperStruct00.var_1_18 = (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6) [L75] COND FALSE !(\read(last_1_WrapperStruct00_var_1_14)) [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_7 [L78] EXPR ((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)) [L78] WrapperStruct00.var_1_20 = ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))) [L79] EXPR WrapperStruct00.var_1_20 [L79] unsigned long int stepLocal_1 = WrapperStruct00.var_1_20; [L80] EXPR WrapperStruct00.var_1_20 [L80] unsigned long int stepLocal_0 = WrapperStruct00.var_1_20; [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L81] EXPR WrapperStruct00.var_1_4 [L81] COND FALSE !((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > stepLocal_1) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR WrapperStruct00.var_1_20 [L127] EXPR ((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1 [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) [L127] EXPR WrapperStruct00.var_1_9 [L127] EXPR WrapperStruct00.var_1_10 [L127] EXPR WrapperStruct00.var_1_11 [L127] EXPR WrapperStruct00.var_1_12 [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 [L127] EXPR WrapperStruct00.var_1_6 [L127] EXPR WrapperStruct00.var_1_13 [L127] EXPR WrapperStruct00.var_1_8 [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) [L127] EXPR ((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1) [L127] EXPR (((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1) [L127] EXPR ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) [L127-L128] return ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 3.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:36:10,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:13,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:13,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:13,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:13,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:13,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:13,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:13,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:13,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:13,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:13,866 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:13,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:13,867 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:13,869 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:13,869 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:13,870 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:13,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:13,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:13,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:13,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:13,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:13,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:13,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:13,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:13,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:13,876 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:13,876 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:13,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:13,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:13,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:13,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:13,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:13,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:13,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:13,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:13,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:13,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:13,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:13,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:13,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:13,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:13,883 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:13,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:13,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:13,884 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_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d [2023-11-23 20:36:14,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:14,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:14,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:14,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:14,353 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:14,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:36:17,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:18,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:18,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:36:18,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/717de35a1/19052e3d956c42e991014eb95002396b/FLAG136076d3c [2023-11-23 20:36:18,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/data/717de35a1/19052e3d956c42e991014eb95002396b [2023-11-23 20:36:18,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:18,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:18,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:18,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:18,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:18,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52064088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18, skipping insertion in model container [2023-11-23 20:36:18,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:18,255 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_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-11-23 20:36:18,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:18,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:18,375 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_28c29462-295e-4fe1-adad-d2ff536dde87/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i[915,928] [2023-11-23 20:36:18,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:18,520 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:18,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18 WrapperNode [2023-11-23 20:36:18,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:18,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:18,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:18,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:18,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,619 INFO L138 Inliner]: procedures = 36, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457 [2023-11-23 20:36:18,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:18,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:18,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:18,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:18,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:18,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:18,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:18,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:18,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (1/1) ... [2023-11-23 20:36:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:18,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:18,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 20:36:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 20:36:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:36:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 20:36:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:36:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 20:36:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:36:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:36:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:18,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:18,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:36:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:36:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:36:19,046 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:19,049 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:22,402 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:22,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:22,481 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:22,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:22 BoogieIcfgContainer [2023-11-23 20:36:22,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:22,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:22,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:22,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:22,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:18" (1/3) ... [2023-11-23 20:36:22,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5559db9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:22, skipping insertion in model container [2023-11-23 20:36:22,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:18" (2/3) ... [2023-11-23 20:36:22,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5559db9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:22, skipping insertion in model container [2023-11-23 20:36:22,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:22" (3/3) ... [2023-11-23 20:36:22,496 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2023-11-23 20:36:22,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:22,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:22,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:22,599 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;@1e7748c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:22,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 20:36:22,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:22,623 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:22,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:22,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:22,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1691815467, now seen corresponding path program 1 times [2023-11-23 20:36:22,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:22,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35406805] [2023-11-23 20:36:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:22,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:22,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:22,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:36:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:23,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:36:23,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-23 20:36:23,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:23,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:23,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35406805] [2023-11-23 20:36:23,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35406805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:23,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:23,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:36:23,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276147976] [2023-11-23 20:36:23,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:23,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:36:23,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:23,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:36:23,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:23,354 INFO L87 Difference]: Start difference. First operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:23,449 INFO L93 Difference]: Finished difference Result 227 states and 361 transitions. [2023-11-23 20:36:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:36:23,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-11-23 20:36:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:23,461 INFO L225 Difference]: With dead ends: 227 [2023-11-23 20:36:23,461 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 20:36:23,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:23,471 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:23,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:36:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 20:36:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-11-23 20:36:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 167 transitions. [2023-11-23 20:36:23,522 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 167 transitions. Word has length 153 [2023-11-23 20:36:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:23,523 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 167 transitions. [2023-11-23 20:36:23,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2023-11-23 20:36:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 20:36:23,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:23,528 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:23,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:36:23,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:23,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:23,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:23,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1540379977, now seen corresponding path program 1 times [2023-11-23 20:36:23,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:23,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197088889] [2023-11-23 20:36:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:23,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:23,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:23,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:23,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:36:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:24,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:36:24,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-23 20:36:24,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:24,331 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:24,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197088889] [2023-11-23 20:36:24,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197088889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:24,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:24,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:36:24,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94654799] [2023-11-23 20:36:24,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:24,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:36:24,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:24,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:36:24,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:24,339 INFO L87 Difference]: Start difference. First operand 113 states and 167 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:24,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:24,525 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-11-23 20:36:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:36:24,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-11-23 20:36:24,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:24,532 INFO L225 Difference]: With dead ends: 231 [2023-11-23 20:36:24,532 INFO L226 Difference]: Without dead ends: 119 [2023-11-23 20:36:24,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:36:24,537 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 10 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:24,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 478 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:36:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-23 20:36:24,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-11-23 20:36:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-11-23 20:36:24,557 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 153 [2023-11-23 20:36:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:24,557 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-11-23 20:36:24,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-11-23 20:36:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 20:36:24,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:24,562 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:24,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:24,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:24,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:24,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash -357116789, now seen corresponding path program 1 times [2023-11-23 20:36:24,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:24,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196852671] [2023-11-23 20:36:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:24,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:24,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:24,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:36:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:25,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:36:25,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 20:36:25,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:25,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:25,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196852671] [2023-11-23 20:36:25,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196852671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:25,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:25,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:36:25,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808445978] [2023-11-23 20:36:25,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:25,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:36:25,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:25,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:36:25,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:25,296 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 20:36:25,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:25,436 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2023-11-23 20:36:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:36:25,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-23 20:36:25,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:25,442 INFO L225 Difference]: With dead ends: 252 [2023-11-23 20:36:25,447 INFO L226 Difference]: Without dead ends: 138 [2023-11-23 20:36:25,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:36:25,451 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 43 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:25,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 472 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:36:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-23 20:36:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2023-11-23 20:36:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2023-11-23 20:36:25,468 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 153 [2023-11-23 20:36:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:25,469 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2023-11-23 20:36:25,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-23 20:36:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-11-23 20:36:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 20:36:25,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:25,474 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:25,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:25,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:25,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:25,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash 189042585, now seen corresponding path program 1 times [2023-11-23 20:36:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:25,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981558996] [2023-11-23 20:36:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:25,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:25,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:25,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:25,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:36:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:26,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:36:26,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:26,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:26,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2023-11-23 20:36:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-11-23 20:36:26,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:26,597 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981558996] [2023-11-23 20:36:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981558996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:26,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:26,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:36:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486009635] [2023-11-23 20:36:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:26,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:36:26,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:26,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:36:26,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:36:26,601 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:28,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:29,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:32,410 INFO L93 Difference]: Finished difference Result 239 states and 350 transitions. [2023-11-23 20:36:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:36:32,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2023-11-23 20:36:32,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:32,413 INFO L225 Difference]: With dead ends: 239 [2023-11-23 20:36:32,414 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 20:36:32,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:36:32,416 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 155 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:32,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 468 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-23 20:36:32,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 20:36:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2023-11-23 20:36:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-11-23 20:36:32,437 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 155 [2023-11-23 20:36:32,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:32,438 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-11-23 20:36:32,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-11-23 20:36:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 20:36:32,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:32,448 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:32,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:32,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:32,659 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:32,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:32,660 INFO L85 PathProgramCache]: Analyzing trace with hash 152636447, now seen corresponding path program 1 times [2023-11-23 20:36:32,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:32,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174357652] [2023-11-23 20:36:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:32,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:32,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:32,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 20:36:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:33,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:36:33,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:33,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:33,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-23 20:36:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-23 20:36:33,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:33,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:33,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174357652] [2023-11-23 20:36:33,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174357652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:33,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:33,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:36:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647636136] [2023-11-23 20:36:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:33,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:36:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:36:33,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:36:33,478 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:35,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:37,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:38,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:40,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:40,201 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2023-11-23 20:36:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:36:40,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 157 [2023-11-23 20:36:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:40,205 INFO L225 Difference]: With dead ends: 237 [2023-11-23 20:36:40,205 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 20:36:40,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:36:40,207 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 157 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:40,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 459 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 20:36:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 20:36:40,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2023-11-23 20:36:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 20:36:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2023-11-23 20:36:40,221 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 157 [2023-11-23 20:36:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:40,221 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2023-11-23 20:36:40,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 20:36:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2023-11-23 20:36:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 20:36:40,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:40,225 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:40,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-23 20:36:40,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:40,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:40,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash 976385559, now seen corresponding path program 1 times [2023-11-23 20:36:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:40,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470575156] [2023-11-23 20:36:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:40,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:40,439 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:40,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 20:36:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:40,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:36:40,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:41,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:41,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2023-11-23 20:36:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 20:36:41,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:41,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:41,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2023-11-23 20:36:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 20:36:41,839 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470575156] [2023-11-23 20:36:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470575156] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209247087] [2023-11-23 20:36:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:41,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:41,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:41,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:41,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 20:36:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:43,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:36:43,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:43,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2023-11-23 20:36:44,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:44,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 83 [2023-11-23 20:36:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 20:36:44,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:45,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:45,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 1 [2023-11-23 20:36:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-23 20:36:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [209247087] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:36:45,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978151186] [2023-11-23 20:36:45,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:45,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:45,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:45,481 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:45,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c29462-295e-4fe1-adad-d2ff536dde87/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 20:36:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:45,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 20:36:45,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:45,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-23 20:36:46,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:46,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-23 20:36:46,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:46,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-23 20:36:47,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:47,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28 [2023-11-23 20:36:47,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:47,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 48 [2023-11-23 20:36:50,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:50,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 64 [2023-11-23 20:36:54,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:54,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 87