./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:32,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:32,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:06:32,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:32,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:32,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:32,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:32,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:32,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:32,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:32,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:32,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:32,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:32,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:32,494 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:32,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:32,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:32,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:32,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:32,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:32,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:32,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:32,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:32,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:32,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:32,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:32,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:32,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:32,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:32,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:32,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:32,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:32,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:32,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:32,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:32,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:32,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:32,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:32,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:32,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:32,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:32,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:32,508 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-10-31 22:06:32,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:32,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:32,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:32,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:32,873 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:32,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i Unable to find full path for "g++" [2024-10-31 22:06:35,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:35,276 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:35,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-31 22:06:35,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/86da7d1aa/e623425dea6d4a4ab522da2b8273a64b/FLAG36b2248d9 [2024-10-31 22:06:35,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/86da7d1aa/e623425dea6d4a4ab522da2b8273a64b [2024-10-31 22:06:35,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:35,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:35,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:35,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:35,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:35,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:35" (1/1) ... [2024-10-31 22:06:35,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77856da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:35, skipping insertion in model container [2024-10-31 22:06:35,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:35" (1/1) ... [2024-10-31 22:06:35,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:35,900 WARN L251 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i[913,926] [2024-10-31 22:06:35,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:35,960 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:35,976 WARN L251 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i[913,926] [2024-10-31 22:06:36,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:36,031 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:36,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36 WrapperNode [2024-10-31 22:06:36,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:36,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:36,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:36,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:36,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,091 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-31 22:06:36,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:36,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:36,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:36,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:36,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,139 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:06:36,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:36,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:36,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:36,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:36,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (1/1) ... [2024-10-31 22:06:36,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:36,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:36,344 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:36,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:36,707 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:36,708 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:36,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:36,725 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:06:36,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:36 BoogieIcfgContainer [2024-10-31 22:06:36,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:36,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:36,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:36,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:36,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:35" (1/3) ... [2024-10-31 22:06:36,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d625c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:36, skipping insertion in model container [2024-10-31 22:06:36,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:36" (2/3) ... [2024-10-31 22:06:36,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d625c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:36, skipping insertion in model container [2024-10-31 22:06:36,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:36" (3/3) ... [2024-10-31 22:06:36,749 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-10-31 22:06:36,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:36,771 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:36,852 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:36,864 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=PETRI_NET, 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;@4e18e9dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:36,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-31 22:06:36,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:36,895 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:36,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:36,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash -161856466, now seen corresponding path program 1 times [2024-10-31 22:06:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:36,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898164768] [2024-10-31 22:06:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:36,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:06:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:06:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:06:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:06:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:06:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:06:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:06:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:06:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:06:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:06:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:06:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:06:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:06:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:06:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:06:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:06:37,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:37,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898164768] [2024-10-31 22:06:37,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898164768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:37,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:37,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:37,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085678056] [2024-10-31 22:06:37,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:37,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:06:37,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:06:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:37,526 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:37,606 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-10-31 22:06:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:06:37,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-10-31 22:06:37,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:37,623 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:06:37,623 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:06:37,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:37,645 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-10-31 22:06:37,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:37,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:06:37,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:06:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-10-31 22:06:37,709 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 115 [2024-10-31 22:06:37,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:37,709 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-10-31 22:06:37,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-10-31 22:06:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-31 22:06:37,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:37,719 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:37,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:06:37,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:37,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1763426518, now seen corresponding path program 1 times [2024-10-31 22:06:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:37,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307877174] [2024-10-31 22:06:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:37,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:06:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:06:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:06:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:06:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:06:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:06:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:06:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:06:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:06:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:06:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:06:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:06:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:06:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:06:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:06:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-31 22:06:38,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:38,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307877174] [2024-10-31 22:06:38,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307877174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:38,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329553765] [2024-10-31 22:06:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:38,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:38,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:38,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:06:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:39,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:06:39,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-10-31 22:06:39,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:39,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329553765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:39,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:39,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-10-31 22:06:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841115996] [2024-10-31 22:06:39,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:39,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:06:39,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:06:39,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:06:39,375 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:40,155 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2024-10-31 22:06:40,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:06:40,156 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-10-31 22:06:40,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:40,158 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:06:40,158 INFO L226 Difference]: Without dead ends: 62 [2024-10-31 22:06:40,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-10-31 22:06:40,162 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 113 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:40,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 147 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:06:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-31 22:06:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-10-31 22:06:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-10-31 22:06:40,194 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 81 transitions. Word has length 115 [2024-10-31 22:06:40,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:40,195 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-10-31 22:06:40,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-10-31 22:06:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-31 22:06:40,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:40,202 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:40,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:06:40,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:40,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:40,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:40,404 INFO L85 PathProgramCache]: Analyzing trace with hash -223690547, now seen corresponding path program 1 times [2024-10-31 22:06:40,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:40,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314311374] [2024-10-31 22:06:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:40,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:40,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:40,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:40,658 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:06:40,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:06:40,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:06:40,665 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:06:40,778 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:06:40,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:06:40 BoogieIcfgContainer [2024-10-31 22:06:40,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:06:40,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:06:40,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:06:40,782 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:06:40,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:36" (3/4) ... [2024-10-31 22:06:40,786 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:06:40,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:06:40,792 INFO L158 Benchmark]: Toolchain (without parser) took 5151.45ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 129.8MB in the end (delta: -2.1MB). Peak memory consumption was 237.6kB. Max. memory is 16.1GB. [2024-10-31 22:06:40,792 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:40,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.07ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 113.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:06:40,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.15ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:40,794 INFO L158 Benchmark]: Boogie Preprocessor took 70.31ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 108.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:40,794 INFO L158 Benchmark]: RCFGBuilder took 569.64ms. Allocated memory is still 165.7MB. Free memory was 108.0MB in the beginning and 91.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:06:40,795 INFO L158 Benchmark]: TraceAbstraction took 4045.11ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 129.8MB in the end (delta: -39.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-10-31 22:06:40,795 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:40,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.07ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 113.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.15ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.31ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 108.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.64ms. Allocated memory is still 165.7MB. Free memory was 108.0MB in the beginning and 91.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4045.11ms. Allocated memory is still 165.7MB. Free memory was 90.4MB in the beginning and 129.8MB in the end (delta: -39.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. 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 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] float var_1_8 = 128.9; [L30] float var_1_9 = 63.363; [L31] float var_1_10 = 4.575; [L32] float var_1_11 = 25.5; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; VAL [isInitial=0, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=1509114200, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=10, var_1_8=1289/10, var_1_9=63363/1000] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_8=1289/10, var_1_9=63363/1000] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10, var_1_9=63363/1000] [L89] var_1_9 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L90] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=183/40, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L91] var_1_10 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L92] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L93] var_1_13 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L94] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L95] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L95] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L97] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L98] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L98] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_11=51/2, var_1_12=1, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=65535, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L50] COND FALSE !(stepLocal_0 <= var_1_4) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_1=256, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1289/10] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, var_1_11=51/2, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((float) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((float) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((float) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] [L19] reach_error() VAL [isInitial=1, var_1_10=18446742967755472900, var_1_11=18446742967755472900, var_1_12=-255, var_1_13=0, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_4=0, var_1_5=-4294967296, var_1_6=18446742967755472895U, var_1_7=-4294967039, var_1_8=1/2, var_1_9=1/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 223 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 126 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 461 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 1 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1833/1836 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 [2024-10-31 22:06:40,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:44,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:44,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:06:44,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:44,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:44,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:44,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:44,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:44,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:44,194 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:44,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:44,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:44,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:44,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:44,199 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:44,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:44,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:44,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:44,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:44,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:44,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:44,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:44,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:44,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:06:44,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:06:44,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:44,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:06:44,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:44,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:44,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:44,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:44,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:44,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:44,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:44,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:44,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:44,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:44,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:44,221 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:06:44,221 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:06:44,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:44,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:44,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:44,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:44,224 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:06:44,225 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1b8b4624d0007ae8a17486b57335d86a5d8147da0a7d85486b0cccda2d27e7 [2024-10-31 22:06:44,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:44,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:44,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:44,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:44,656 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:44,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i Unable to find full path for "g++" [2024-10-31 22:06:46,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:46,980 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:46,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i [2024-10-31 22:06:46,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/d4c7d5627/33e8cf0e2fad4d86a9bc7e04b7183999/FLAG8fecc2de3 [2024-10-31 22:06:47,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/data/d4c7d5627/33e8cf0e2fad4d86a9bc7e04b7183999 [2024-10-31 22:06:47,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:47,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:47,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:47,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:47,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:47,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f18d400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47, skipping insertion in model container [2024-10-31 22:06:47,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:47,303 WARN L251 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i[913,926] [2024-10-31 22:06:47,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:47,371 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:47,385 WARN L251 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_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-25.i[913,926] [2024-10-31 22:06:47,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:47,466 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:47,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47 WrapperNode [2024-10-31 22:06:47,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:47,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:47,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:47,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:47,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,533 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-31 22:06:47,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:47,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:47,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:47,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:47,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,579 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:06:47,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:47,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:47,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:47,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:47,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (1/1) ... [2024-10-31 22:06:47,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:47,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:47,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:47,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:06:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:47,787 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:47,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:48,227 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:48,227 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:48,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:48,247 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:06:48,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:48 BoogieIcfgContainer [2024-10-31 22:06:48,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:48,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:48,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:48,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:48,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:47" (1/3) ... [2024-10-31 22:06:48,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522bf745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:48, skipping insertion in model container [2024-10-31 22:06:48,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:47" (2/3) ... [2024-10-31 22:06:48,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522bf745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:48, skipping insertion in model container [2024-10-31 22:06:48,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:48" (3/3) ... [2024-10-31 22:06:48,257 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-25.i [2024-10-31 22:06:48,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:48,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:48,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:48,387 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=PETRI_NET, 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;@6ec61fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:48,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-31 22:06:48,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:48,403 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:48,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:48,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:48,410 INFO L85 PathProgramCache]: Analyzing trace with hash -161856466, now seen corresponding path program 1 times [2024-10-31 22:06:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736726637] [2024-10-31 22:06:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:48,425 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 [2024-10-31 22:06:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:48,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:48,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:48,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:06:48,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-10-31 22:06:48,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:48,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:06:48,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736726637] [2024-10-31 22:06:48,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736726637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:48,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:48,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:48,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414373636] [2024-10-31 22:06:48,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:48,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:06:48,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:06:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:06:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:48,887 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:48,926 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-10-31 22:06:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:06:48,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-10-31 22:06:48,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:48,955 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:06:48,956 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:06:48,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:48,967 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-10-31 22:06:48,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:06:49,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:06:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-10-31 22:06:49,027 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 115 [2024-10-31 22:06:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:49,028 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-10-31 22:06:49,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-10-31 22:06:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-31 22:06:49,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:49,035 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:49,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:49,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:49,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:49,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1763426518, now seen corresponding path program 1 times [2024-10-31 22:06:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:49,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858024919] [2024-10-31 22:06:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:49,241 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 [2024-10-31 22:06:49,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:49,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:49,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:49,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:06:49,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-10-31 22:06:49,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:49,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:06:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858024919] [2024-10-31 22:06:49,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858024919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:49,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:49,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:06:49,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125428104] [2024-10-31 22:06:49,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:49,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:06:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:06:49,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:06:49,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:06:49,803 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:50,532 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2024-10-31 22:06:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:06:50,534 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-10-31 22:06:50,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:50,536 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:06:50,537 INFO L226 Difference]: Without dead ends: 62 [2024-10-31 22:06:50,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:06:50,539 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 113 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:50,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 147 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:06:50,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-31 22:06:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-10-31 22:06:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:06:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-10-31 22:06:50,555 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 81 transitions. Word has length 115 [2024-10-31 22:06:50,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:50,556 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-10-31 22:06:50,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:06:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-10-31 22:06:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-31 22:06:50,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:50,559 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:50,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:50,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:50,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:50,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:50,761 INFO L85 PathProgramCache]: Analyzing trace with hash -223690547, now seen corresponding path program 1 times [2024-10-31 22:06:50,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:06:50,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169248307] [2024-10-31 22:06:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:50,765 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 [2024-10-31 22:06:50,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:06:50,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:06:50,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028cddf5-a7b8-4a8f-9142-30a59f1b7b89/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:06:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:51,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-31 22:06:51,056 INFO L278 TraceCheckSpWp]: Computing forward predicates...