./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje --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 43ef9dd1eebc45a3917d5e3d4342b9d2cd1c6c3fdb5b8922c30fd1b1edca8c87 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:23:13,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:23:13,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:23:13,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:23:13,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:23:13,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:23:13,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:23:13,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:23:13,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:23:13,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:23:13,964 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:23:13,965 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:23:13,966 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:23:13,970 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:23:13,971 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:23:13,971 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:23:13,972 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:23:13,972 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:23:13,972 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:23:13,973 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:23:13,974 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:23:13,978 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:23:13,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:23:13,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:23:13,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:23:13,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:23:13,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:23:13,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:23:13,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:23:13,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:23:13,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:23:13,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:23:13,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:23:13,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:23:13,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:23:13,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:23:13,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:23:13,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:23:13,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:13,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:23:13,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:23:13,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:23:13,990 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:23:13,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:23:13,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:23:13,991 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:23:13,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:23:13,992 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43ef9dd1eebc45a3917d5e3d4342b9d2cd1c6c3fdb5b8922c30fd1b1edca8c87 [2024-11-09 07:23:14,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:23:14,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:23:14,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:23:14,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:23:14,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:23:14,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i Unable to find full path for "g++" [2024-11-09 07:23:16,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:23:17,177 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:23:17,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i [2024-11-09 07:23:17,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/9bb33719c/e4f2e3c53bc74214afa84c572daeffc0/FLAGf2f3eaaf4 [2024-11-09 07:23:17,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/9bb33719c/e4f2e3c53bc74214afa84c572daeffc0 [2024-11-09 07:23:17,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:23:17,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:23:17,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:17,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:23:17,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:23:17,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:17,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@830e4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17, skipping insertion in model container [2024-11-09 07:23:17,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:17,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:23:17,776 WARN L250 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i[915,928] [2024-11-09 07:23:17,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:17,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:23:17,895 WARN L250 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i[915,928] [2024-11-09 07:23:17,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:17,997 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:23:17,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17 WrapperNode [2024-11-09 07:23:17,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:18,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:18,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:23:18,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:23:18,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,092 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-09 07:23:18,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:18,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:23:18,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:23:18,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:23:18,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:23:18,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:23:18,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:23:18,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:23:18,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (1/1) ... [2024-11-09 07:23:18,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:18,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:18,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:23:18,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:23:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:23:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:23:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:23:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:23:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:23:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:23:18,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:23:18,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:23:19,031 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 07:23:19,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:23:19,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:23:19,295 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:23:19,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:19 BoogieIcfgContainer [2024-11-09 07:23:19,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:23:19,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:23:19,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:23:19,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:23:19,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:23:17" (1/3) ... [2024-11-09 07:23:19,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6734a7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:19, skipping insertion in model container [2024-11-09 07:23:19,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:17" (2/3) ... [2024-11-09 07:23:19,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6734a7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:19, skipping insertion in model container [2024-11-09 07:23:19,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:19" (3/3) ... [2024-11-09 07:23:19,313 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-12.i [2024-11-09 07:23:19,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:23:19,338 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:23:19,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:23:19,445 INFO L333 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, 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;@718145c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:23:19,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:23:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 07:23:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 07:23:19,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:19,463 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:19,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:19,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:19,471 INFO L85 PathProgramCache]: Analyzing trace with hash -44326120, now seen corresponding path program 1 times [2024-11-09 07:23:19,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:23:19,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917449060] [2024-11-09 07:23:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:23:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:23:20,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653564932] [2024-11-09 07:23:20,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:20,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:23:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:20,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:23:20,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:23:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:21,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:23:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:21,513 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:23:21,517 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:23:21,519 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:23:21,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:23:21,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:23:21,727 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:23:21,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:23:21,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:23:21 BoogieIcfgContainer [2024-11-09 07:23:21,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:23:21,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:23:21,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:23:21,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:23:21,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:19" (3/4) ... [2024-11-09 07:23:21,839 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:23:21,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:23:21,843 INFO L158 Benchmark]: Toolchain (without parser) took 4343.28ms. Allocated memory is still 146.8MB. Free memory was 106.4MB in the beginning and 72.1MB in the end (delta: 34.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,843 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:23:21,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 146.8MB. Free memory was 106.4MB in the beginning and 90.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.30ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 86.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,846 INFO L158 Benchmark]: Boogie Preprocessor took 51.03ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,847 INFO L158 Benchmark]: RCFGBuilder took 1147.62ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,847 INFO L158 Benchmark]: TraceAbstraction took 2532.57ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 72.1MB in the end (delta: 9.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-09 07:23:21,848 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 146.8MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:23:21,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.88ms. Allocated memory is still 146.8MB. Free memory was 106.4MB in the beginning and 90.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.30ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 86.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.03ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.62ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2532.57ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 72.1MB in the end (delta: 9.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 146.8MB. Free memory is still 72.1MB. 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 78, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 128; [L27] signed long int var_1_9 = 1967984875; [L28] float var_1_10 = 256.625; [L29] float var_1_11 = 24.5; [L30] float var_1_12 = 999999.25; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 0; [L33] double var_1_15 = 127.3; [L34] float var_1_16 = 15.8; [L35] double var_1_17 = -0.4; [L36] unsigned long int var_1_18 = 8; [L37] unsigned long int var_1_19 = 2366774301; [L38] unsigned char var_1_20 = 0; [L39] signed short int var_1_21 = 5; [L40] signed char var_1_22 = 0; [L41] signed char var_1_23 = 2; [L42] unsigned char last_1_var_1_1 = 5; [L43] unsigned long int last_1_var_1_18 = 8; [L44] signed char last_1_var_1_22 = 0; [L136] isInitial = 1 [L137] FCALL initially() [L138] int k_loop; [L139] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=128, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L139] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=128, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L139] COND TRUE k_loop < 1 [L140] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_18 = var_1_18 [L129] last_1_var_1_22 = var_1_22 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L89] var_1_5 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L91] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L94] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L95] var_1_7 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_8=128, var_1_9=1967984875] [L97] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1967984875] [L98] var_1_9 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_9 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 >= 1073741822) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L100] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L101] var_1_11 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L103] var_1_12 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L105] var_1_13 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L107] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L108] var_1_14 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L110] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L111] var_1_16 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L113] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L114] var_1_17 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L116] var_1_19 = __VERIFIER_nondet_ulong() [L117] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L118] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L119] var_1_20 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L121] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L122] var_1_23 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L124] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=256, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=128, var_1_9=1073741822] [L141] RET updateVariables() [L142] CALL step() [L48] unsigned char stepLocal_2 = var_1_9 >= last_1_var_1_22; [L49] signed long int stepLocal_1 = last_1_var_1_1; [L50] COND FALSE !(stepLocal_1 > last_1_var_1_18) [L53] COND TRUE var_1_20 || stepLocal_2 [L54] var_1_18 = var_1_6 [L59] COND FALSE !(last_1_var_1_1 > (var_1_18 * var_1_18)) [L62] var_1_1 = ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6)))) [L64] var_1_21 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L65] unsigned char stepLocal_0 = var_1_6; [L66] COND TRUE (- var_1_18) > stepLocal_0 [L67] var_1_8 = ((var_1_9 - var_1_21) - var_1_5) [L69] signed long int stepLocal_3 = var_1_8; [L70] COND FALSE !(var_1_18 == stepLocal_3) [L77] COND TRUE var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L78] var_1_10 = ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) [L84] COND FALSE !((var_1_12 / var_1_16) >= var_1_10) [L142] RET step() [L143] CALL, EXPR property() [L132-L133] return (((((((last_1_var_1_1 > (var_1_18 * var_1_18)) ? (var_1_1 == ((unsigned char) (var_1_5 - (var_1_6 + var_1_7)))) : (var_1_1 == ((unsigned char) ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))))))) && (((- var_1_18) > var_1_6) ? (var_1_8 == ((signed long int) ((var_1_9 - var_1_21) - var_1_5))) : 1)) && ((var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_10 == ((float) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : ((var_1_13 || var_1_14) ? (var_1_10 == ((float) var_1_11)) : 1))) && (((var_1_12 / var_1_16) >= var_1_10) ? (var_1_15 == ((double) (var_1_17 + 255.5))) : 1)) && ((last_1_var_1_1 > last_1_var_1_18) ? (var_1_18 == ((unsigned long int) ((((var_1_9) < ((var_1_19 - var_1_6))) ? (var_1_9) : ((var_1_19 - var_1_6)))))) : ((var_1_20 || (var_1_9 >= last_1_var_1_22)) ? (var_1_18 == ((unsigned long int) var_1_6)) : (var_1_18 == ((unsigned long int) var_1_7))))) && (var_1_21 == ((signed short int) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) && ((var_1_18 == var_1_8) ? ((! var_1_20) ? (var_1_22 == ((signed char) ((((var_1_6) > ((5 - var_1_7))) ? (var_1_6) : ((5 - var_1_7)))))) : (var_1_22 == ((signed char) (var_1_7 + var_1_23)))) : 1) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=24, var_1_20=256, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=1073741505, var_1_9=1073741822] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2147483647, var_1_1=24, var_1_20=256, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=-2, var_1_6=8, var_1_7=319, var_1_8=1073741505, var_1_9=1073741822] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 07:23:21,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje --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 43ef9dd1eebc45a3917d5e3d4342b9d2cd1c6c3fdb5b8922c30fd1b1edca8c87 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:23:24,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:23:24,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:23:24,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:23:24,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:23:25,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:23:25,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:23:25,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:23:25,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:23:25,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:23:25,026 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:23:25,026 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:23:25,027 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:23:25,027 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:23:25,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:23:25,028 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:23:25,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:23:25,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:23:25,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:23:25,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:23:25,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:23:25,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:23:25,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:23:25,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:23:25,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:23:25,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:23:25,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:23:25,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:23:25,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:23:25,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:23:25,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:23:25,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:23:25,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:23:25,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:23:25,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:23:25,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:25,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:23:25,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:23:25,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:23:25,040 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:23:25,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:23:25,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:23:25,043 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:23:25,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43ef9dd1eebc45a3917d5e3d4342b9d2cd1c6c3fdb5b8922c30fd1b1edca8c87 [2024-11-09 07:23:25,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:23:25,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:23:25,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:23:25,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:23:25,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:23:25,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i Unable to find full path for "g++" [2024-11-09 07:23:28,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:23:28,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:23:28,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i [2024-11-09 07:23:28,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/40d4a1c4c/c39b83e8a8e04dbd997be58324840374/FLAGc5b107f36 [2024-11-09 07:23:28,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/data/40d4a1c4c/c39b83e8a8e04dbd997be58324840374 [2024-11-09 07:23:28,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:23:28,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:23:28,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:28,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:23:28,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:23:28,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:28" (1/1) ... [2024-11-09 07:23:28,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4d5a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:28, skipping insertion in model container [2024-11-09 07:23:28,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:28" (1/1) ... [2024-11-09 07:23:28,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:23:28,987 WARN L250 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i[915,928] [2024-11-09 07:23:29,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:29,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:23:29,104 WARN L250 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_5029bb4a-6a73-4a1f-a389-afd99b87a44e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-12.i[915,928] [2024-11-09 07:23:29,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:29,181 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:23:29,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29 WrapperNode [2024-11-09 07:23:29,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:29,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:29,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:23:29,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:23:29,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,262 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-09 07:23:29,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:29,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:23:29,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:23:29,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:23:29,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:23:29,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:23:29,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:23:29,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:23:29,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (1/1) ... [2024-11-09 07:23:29,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:29,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:23:29,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:23:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:23:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:23:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:23:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:23:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:23:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:23:29,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:23:29,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:23:34,837 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 07:23:34,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:23:34,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:23:34,855 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:23:34,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:34 BoogieIcfgContainer [2024-11-09 07:23:34,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:23:34,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:23:34,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:23:34,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:23:34,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:23:28" (1/3) ... [2024-11-09 07:23:34,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8271c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:34, skipping insertion in model container [2024-11-09 07:23:34,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:29" (2/3) ... [2024-11-09 07:23:34,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8271c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:34, skipping insertion in model container [2024-11-09 07:23:34,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:34" (3/3) ... [2024-11-09 07:23:34,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-12.i [2024-11-09 07:23:34,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:23:34,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:23:35,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:23:35,016 INFO L333 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, 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;@3227eecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:23:35,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:23:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 07:23:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 07:23:35,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:35,053 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:35,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:35,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:35,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1767777116, now seen corresponding path program 1 times [2024-11-09 07:23:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:35,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354223461] [2024-11-09 07:23:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:35,091 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 [2024-11-09 07:23:35,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:35,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:23:35,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:23:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:35,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:23:35,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2024-11-09 07:23:35,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:23:35,874 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:23:35,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354223461] [2024-11-09 07:23:35,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354223461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:35,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:23:35,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:23:35,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857013774] [2024-11-09 07:23:35,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:35,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:23:35,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:23:35,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:23:35,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:23:35,925 INFO L87 Difference]: Start difference. First operand has 67 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:23:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:35,972 INFO L93 Difference]: Finished difference Result 131 states and 222 transitions. [2024-11-09 07:23:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:23:35,975 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2024-11-09 07:23:35,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:35,990 INFO L225 Difference]: With dead ends: 131 [2024-11-09 07:23:35,991 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 07:23:35,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:23:36,004 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:36,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:23:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 07:23:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-09 07:23:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 07:23:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-09 07:23:36,096 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 146 [2024-11-09 07:23:36,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:36,096 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-09 07:23:36,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 07:23:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-09 07:23:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 07:23:36,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:36,106 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:36,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:23:36,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:23:36,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:36,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1127554466, now seen corresponding path program 1 times [2024-11-09 07:23:36,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:36,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845389806] [2024-11-09 07:23:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:36,312 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 [2024-11-09 07:23:36,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:36,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:23:36,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:23:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:36,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:23:36,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 07:23:39,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:23:39,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:23:39,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845389806] [2024-11-09 07:23:39,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845389806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:39,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:23:39,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:23:39,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686311559] [2024-11-09 07:23:39,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:39,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:23:39,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:23:39,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:23:39,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:23:39,865 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 07:23:42,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:44,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:44,534 INFO L93 Difference]: Finished difference Result 185 states and 278 transitions. [2024-11-09 07:23:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:23:44,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 146 [2024-11-09 07:23:44,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:44,579 INFO L225 Difference]: With dead ends: 185 [2024-11-09 07:23:44,580 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 07:23:44,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:23:44,585 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 49 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:44,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 292 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 07:23:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 07:23:44,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 107. [2024-11-09 07:23:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 07:23:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 160 transitions. [2024-11-09 07:23:44,651 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 160 transitions. Word has length 146 [2024-11-09 07:23:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:44,652 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 160 transitions. [2024-11-09 07:23:44,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-09 07:23:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2024-11-09 07:23:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 07:23:44,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:44,658 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:44,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:23:44,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:23:44,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:44,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash -209359422, now seen corresponding path program 1 times [2024-11-09 07:23:44,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:44,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454110068] [2024-11-09 07:23:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:44,867 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 [2024-11-09 07:23:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:44,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:23:44,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5029bb4a-6a73-4a1f-a389-afd99b87a44e/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 07:23:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:45,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 07:23:45,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:25:05,981 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse3 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_7~0))) (and (bvugt (_ bv5 32) (bvmul c_~var_1_18~0 c_~var_1_18~0)) (= (_ bv8 32) c_~last_1_var_1_18~0) (= c_~var_1_21~0 ((_ extract 15 0) .cse0)) (= (_ bv5 8) c_~last_1_var_1_1~0) (= (_ bv0 8) c_~var_1_22~0) (= .cse1 c_~var_1_18~0) (= (_ bv0 8) c_~last_1_var_1_22~0) (let ((.cse2 (fp.gt c_~var_1_11~0 c_~var_1_12~0))) (or (and (not .cse2) (= c_~var_1_12~0 c_~var_1_10~0)) (and .cse2 (= c_~var_1_11~0 c_~var_1_10~0)))) (= c_~var_1_8~0 (bvadd c_~var_1_9~0 (bvneg ((_ sign_extend 16) c_~var_1_21~0)) (bvneg .cse3))) (bvsge c_~var_1_9~0 (_ bv1073741822 32)) (= ((_ extract 7 0) (bvadd (bvneg (bvadd .cse1 .cse0)) .cse3)) c_~var_1_1~0) (fp.geq (fp.div c_currentRoundingMode c_~var_1_12~0 c_~var_1_16~0) c_~var_1_10~0) (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (fp.geq c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5))) (and (fp.leq c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5))) (fp.geq c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))))) (bvsge .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv63 32)) (= c_~var_1_15~0 (fp.add c_currentRoundingMode c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 2.0)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false