./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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_63996c9b-adf6-4dfe-962f-237e35b94427/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 2a8e9823ae4d56b9f3a84e9defe9e57e389339bbb99c4f004a460911bc81b963 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:22,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:22,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:22,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:22,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:22,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:22,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:22,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:22,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:22,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:22,441 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:22,441 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:22,441 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:22,443 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:22,444 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:22,444 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:22,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:22,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:22,445 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:22,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:22,448 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:22,448 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:22,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:22,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:22,450 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:22,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:22,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:22,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:22,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:22,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:22,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:22,453 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:22,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:22,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:22,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:22,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:22,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:22,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:22,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:22,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:22,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:22,455 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:22,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:22,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:22,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:22,456 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:22,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:22,457 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_63996c9b-adf6-4dfe-962f-237e35b94427/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a8e9823ae4d56b9f3a84e9defe9e57e389339bbb99c4f004a460911bc81b963 [2023-11-23 20:36:22,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:22,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:22,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:22,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:22,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:22,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i [2023-11-23 20:36:25,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:26,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:26,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i [2023-11-23 20:36:26,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/1bc85e0f1/b39dcec50e9b4136a2983ad0a5aaa550/FLAG65d8ddffc [2023-11-23 20:36:26,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/1bc85e0f1/b39dcec50e9b4136a2983ad0a5aaa550 [2023-11-23 20:36:26,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:26,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:26,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:26,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:26,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:26,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124fc98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26, skipping insertion in model container [2023-11-23 20:36:26,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:26,471 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_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i[913,926] [2023-11-23 20:36:26,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:26,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:26,571 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_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i[913,926] [2023-11-23 20:36:26,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:26,624 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:26,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26 WrapperNode [2023-11-23 20:36:26,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:26,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:26,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:26,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:26,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,688 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-23 20:36:26,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:26,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:26,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:26,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:26,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:26,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:26,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:26,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:26,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (1/1) ... [2023-11-23 20:36:26,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:26,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:26,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:26,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:27,009 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:27,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:27,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:27,909 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:27,910 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:27,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:27 BoogieIcfgContainer [2023-11-23 20:36:27,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:27,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:27,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:27,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:27,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:26" (1/3) ... [2023-11-23 20:36:27,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5176de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:27, skipping insertion in model container [2023-11-23 20:36:27,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:26" (2/3) ... [2023-11-23 20:36:27,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5176de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:27, skipping insertion in model container [2023-11-23 20:36:27,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:27" (3/3) ... [2023-11-23 20:36:27,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-61.i [2023-11-23 20:36:27,953 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:27,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:28,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:28,033 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;@793938a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:28,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 20:36:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 20:36:28,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:28,054 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:28,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:28,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:28,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1395292446, now seen corresponding path program 1 times [2023-11-23 20:36:28,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:28,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035575846] [2023-11-23 20:36:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:28,243 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:28,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167858247] [2023-11-23 20:36:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:28,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:28,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:28,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:28,923 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:28,926 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:28,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:28,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:29,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:36:29,141 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:29,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:29,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:29 BoogieIcfgContainer [2023-11-23 20:36:29,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:29,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:29,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:29,276 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:29,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:27" (3/4) ... [2023-11-23 20:36:29,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:29,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:29,281 INFO L158 Benchmark]: Toolchain (without parser) took 3009.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 121.7MB in the beginning and 134.7MB in the end (delta: -13.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-23 20:36:29,282 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:29,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.71ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 107.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:36:29,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.45ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:29,284 INFO L158 Benchmark]: Boogie Preprocessor took 77.54ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:29,284 INFO L158 Benchmark]: RCFGBuilder took 1144.03ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 103.0MB in the beginning and 124.2MB in the end (delta: -21.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-23 20:36:29,285 INFO L158 Benchmark]: TraceAbstraction took 1357.67ms. Allocated memory is still 184.5MB. Free memory was 123.9MB in the beginning and 134.7MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:29,285 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 184.5MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:29,296 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 109.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.71ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 107.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.45ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.54ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1144.03ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 103.0MB in the beginning and 124.2MB in the end (delta: -21.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1357.67ms. Allocated memory is still 184.5MB. Free memory was 123.9MB in the beginning and 134.7MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 184.5MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of bitwiseOr at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 141. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_2 = 100; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 1; [L26] unsigned long int var_1_5 = 50; [L27] unsigned long int var_1_6 = 4; [L28] float var_1_7 = 15.8; [L29] float var_1_8 = 64.25; [L30] signed long int var_1_9 = -50; [L31] signed long int var_1_10 = 10; [L32] signed long int var_1_11 = -5; [L33] signed long int var_1_12 = 256; [L34] unsigned char var_1_13 = 1; [L35] unsigned long int var_1_14 = 3207304078; [L36] unsigned long int var_1_15 = 50; [L37] unsigned long int var_1_16 = 25; [L38] unsigned char var_1_17 = 1; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 0; [L41] unsigned short int var_1_20 = 1; [L42] unsigned long int var_1_21 = 50; [L43] signed char var_1_22 = -4; [L44] signed char var_1_23 = -10; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] FCALL updateLastVariables() [L149] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L94] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L95] var_1_3 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L97] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L98] var_1_5 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L100] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L101] var_1_6 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L103] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L104] var_1_8 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L106] var_1_10 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L108] CALL assume_abort_if_not(var_1_10 <= 536870912) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_10 <= 536870912) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L109] var_1_11 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_11 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 >= -536870911) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L111] CALL assume_abort_if_not(var_1_11 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 <= 536870911) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L112] var_1_12 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L114] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L115] var_1_14 = __VERIFIER_nondet_ulong() [L116] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L117] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L118] var_1_15 = __VERIFIER_nondet_ulong() [L119] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L120] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L121] var_1_16 = __VERIFIER_nondet_ulong() [L122] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L123] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L124] var_1_17 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L126] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L127] var_1_18 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L129] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L130] var_1_20 = __VERIFIER_nondet_ushort() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L132] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L133] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L134] var_1_23 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L136] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=79/5, var_1_9=-50] [L149] RET updateVariables() [L150] CALL step() [L48] COND FALSE !((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) [L51] COND TRUE var_1_3 < var_1_2 [L52] var_1_4 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L54] COND FALSE !(var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) [L63] var_1_7 = var_1_8 [L65] COND FALSE !(var_1_4 >= (4256310412u - 128u)) [L68] COND TRUE var_1_2 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L69] COND TRUE var_1_16 < var_1_9 [L70] var_1_13 = var_1_17 [L77] COND FALSE !(((var_1_12 / 2) / var_1_20) >= (~ 100)) [L82] COND TRUE \read(var_1_17) [L83] var_1_19 = var_1_18 [L88] var_1_21 = var_1_6 [L89] var_1_22 = var_1_23 [L150] RET step() [L151] CALL, EXPR property() [L141] EXPR ((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L141] EXPR (var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) [L141] EXPR ((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L141-L142] return (((((((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_10 + var_1_11) < 0 ) ? -(var_1_10 + var_1_11) : (var_1_10 + var_1_11))) + var_1_12))) : 1)) && ((var_1_2 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_12 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=1, var_1_22=-127, var_1_23=-127, var_1_2=64, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=-50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-536870911, var_1_11=-536870911, var_1_12=-410, var_1_13=1, var_1_14=2147483647, var_1_15=2147483646, var_1_16=2147483647, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=1, var_1_22=-127, var_1_23=-127, var_1_2=64, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=-50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 30, 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=54occurred 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 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 20:36:29,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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_63996c9b-adf6-4dfe-962f-237e35b94427/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 2a8e9823ae4d56b9f3a84e9defe9e57e389339bbb99c4f004a460911bc81b963 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:32,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:32,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:32,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:32,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:32,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:32,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:32,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:32,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:32,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:32,216 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:32,217 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:32,217 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:32,219 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:32,219 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:32,220 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:32,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:32,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:32,222 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:32,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:32,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:32,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:32,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:32,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:32,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:32,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:32,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:32,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:32,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:32,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:32,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:32,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:32,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:32,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:32,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:32,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:32,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:32,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:32,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:32,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:32,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:32,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:32,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:32,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:32,234 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_63996c9b-adf6-4dfe-962f-237e35b94427/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a8e9823ae4d56b9f3a84e9defe9e57e389339bbb99c4f004a460911bc81b963 [2023-11-23 20:36:32,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:32,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:32,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:32,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:32,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:32,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i [2023-11-23 20:36:36,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:36,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:36,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i [2023-11-23 20:36:36,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/ccf2e1dc6/c3b539195d174248b5312bdcb7736876/FLAGed03fa923 [2023-11-23 20:36:36,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/data/ccf2e1dc6/c3b539195d174248b5312bdcb7736876 [2023-11-23 20:36:36,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:36,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:36,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:36,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:36,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:36,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47050d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36, skipping insertion in model container [2023-11-23 20:36:36,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:36,571 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_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i[913,926] [2023-11-23 20:36:36,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:36,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:36,678 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_63996c9b-adf6-4dfe-962f-237e35b94427/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-61.i[913,926] [2023-11-23 20:36:36,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:36,729 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:36,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36 WrapperNode [2023-11-23 20:36:36,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:36,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:36,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:36,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:36,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,783 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-23 20:36:36,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:36,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:36,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:36,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:36,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:36,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:36,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:36,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:36,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (1/1) ... [2023-11-23 20:36:36,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:36,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:36,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:37,079 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:37,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:37,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:37,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:37,852 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:37,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:37 BoogieIcfgContainer [2023-11-23 20:36:37,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:37,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:37,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:37,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:37,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:36" (1/3) ... [2023-11-23 20:36:37,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef8883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:37, skipping insertion in model container [2023-11-23 20:36:37,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:36" (2/3) ... [2023-11-23 20:36:37,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef8883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:37, skipping insertion in model container [2023-11-23 20:36:37,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:37" (3/3) ... [2023-11-23 20:36:37,866 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-61.i [2023-11-23 20:36:37,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:37,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:37,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:37,964 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;@19723468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:37,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 20:36:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 20:36:38,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:38,003 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:38,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:38,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash -795363618, now seen corresponding path program 1 times [2023-11-23 20:36:38,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:38,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530949418] [2023-11-23 20:36:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:38,036 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 20:36:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:38,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:38,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:36:38,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2023-11-23 20:36:38,576 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:38,577 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:38,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530949418] [2023-11-23 20:36:38,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530949418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:38,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:38,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:36:38,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527482848] [2023-11-23 20:36:38,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:36:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:38,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:36:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:36:38,620 INFO L87 Difference]: Start difference. First operand has 69 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 20:36:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:38,786 INFO L93 Difference]: Finished difference Result 135 states and 252 transitions. [2023-11-23 20:36:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:36:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2023-11-23 20:36:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:38,804 INFO L225 Difference]: With dead ends: 135 [2023-11-23 20:36:38,805 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 20:36:38,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 20:36:38,813 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:38,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:36:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 20:36:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-23 20:36:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 20:36:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 107 transitions. [2023-11-23 20:36:38,870 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 107 transitions. Word has length 177 [2023-11-23 20:36:38,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:38,870 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 107 transitions. [2023-11-23 20:36:38,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 20:36:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2023-11-23 20:36:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 20:36:38,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:38,876 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:38,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:39,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:39,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:39,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1179931038, now seen corresponding path program 1 times [2023-11-23 20:36:39,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:39,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426088072] [2023-11-23 20:36:39,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:39,087 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 20:36:39,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:39,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63996c9b-adf6-4dfe-962f-237e35b94427/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 20:36:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:39,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:36:39,479 INFO L285 TraceCheckSpWp]: Computing forward predicates...