./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:41,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:41,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:16:41,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:41,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:41,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:41,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:41,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:41,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:41,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:41,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:41,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:41,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:41,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:41,340 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:41,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:41,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:41,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:41,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:41,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:41,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:41,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:41,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:41,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:41,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:41,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:41,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:41,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:41,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:41,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:41,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:41,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:41,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:41,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:41,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:41,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:41,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:41,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:41,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:41,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:41,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:41,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:41,352 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 [2024-10-31 22:16:41,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:41,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:41,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:41,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:41,815 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:41,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i Unable to find full path for "g++" [2024-10-31 22:16:43,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:44,231 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:44,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2024-10-31 22:16:44,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/4202d265c/c1b909dfb2124b70b1e407465303fcf9/FLAG450f43db8 [2024-10-31 22:16:44,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/4202d265c/c1b909dfb2124b70b1e407465303fcf9 [2024-10-31 22:16:44,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:44,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:44,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:44,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:44,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:44,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc43a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44, skipping insertion in model container [2024-10-31 22:16:44,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:44,824 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2024-10-31 22:16:44,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:44,879 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:44,894 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2024-10-31 22:16:44,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:44,941 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:44,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44 WrapperNode [2024-10-31 22:16:44,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:44,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:44,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:44,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:44,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,996 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-10-31 22:16:44,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:44,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:44,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:44,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:45,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,039 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 22:16:45,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:45,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:45,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:45,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:45,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:45,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:45,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:45,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:45,227 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:45,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:45,532 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:45,532 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:45,545 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:45,545 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:45,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45 BoogieIcfgContainer [2024-10-31 22:16:45,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:45,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:45,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:45,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:45,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:44" (1/3) ... [2024-10-31 22:16:45,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:45, skipping insertion in model container [2024-10-31 22:16:45,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (2/3) ... [2024-10-31 22:16:45,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266ce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:45, skipping insertion in model container [2024-10-31 22:16:45,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45" (3/3) ... [2024-10-31 22:16:45,554 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-29.i [2024-10-31 22:16:45,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:45,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:45,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:45,639 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;@76afc95d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:45,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:16:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:16:45,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:45,655 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 22:16:45,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:45,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:45,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1352345360, now seen corresponding path program 1 times [2024-10-31 22:16:45,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:45,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855251662] [2024-10-31 22:16:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:45,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:16:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:16:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:16:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:16:45,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:45,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855251662] [2024-10-31 22:16:45,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855251662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:45,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:45,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:45,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74548613] [2024-10-31 22:16:45,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:45,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:45,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:45,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:45,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:45,982 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:16:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:46,009 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-10-31 22:16:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:46,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-10-31 22:16:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:46,020 INFO L225 Difference]: With dead ends: 67 [2024-10-31 22:16:46,021 INFO L226 Difference]: Without dead ends: 33 [2024-10-31 22:16:46,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 22:16:46,028 INFO L432 NwaCegarLoop]: 45 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, 45 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 22:16:46,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:16:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-31 22:16:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-31 22:16:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:16:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2024-10-31 22:16:46,088 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 48 [2024-10-31 22:16:46,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:46,090 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2024-10-31 22:16:46,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:16:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-10-31 22:16:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:16:46,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:46,095 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 22:16:46,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:46,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:46,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1193502324, now seen corresponding path program 1 times [2024-10-31 22:16:46,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:46,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894609215] [2024-10-31 22:16:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:46,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:46,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:46,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:46,427 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:16:46,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:16:46,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:46,436 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:16:46,505 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:16:46,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:46 BoogieIcfgContainer [2024-10-31 22:16:46,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:46,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:46,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:46,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:46,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45" (3/4) ... [2024-10-31 22:16:46,519 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:16:46,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:46,522 INFO L158 Benchmark]: Toolchain (without parser) took 1964.72ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 138.4MB in the end (delta: 11.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:46,523 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:46,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.63ms. Allocated memory is still 182.5MB. Free memory was 149.0MB in the beginning and 135.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:16:46,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.10ms. Allocated memory is still 182.5MB. Free memory was 135.4MB in the beginning and 133.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:46,527 INFO L158 Benchmark]: Boogie Preprocessor took 61.22ms. Allocated memory is still 182.5MB. Free memory was 132.8MB in the beginning and 129.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:46,528 INFO L158 Benchmark]: RCFGBuilder took 486.97ms. Allocated memory is still 182.5MB. Free memory was 129.4MB in the beginning and 114.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:46,528 INFO L158 Benchmark]: TraceAbstraction took 965.72ms. Allocated memory is still 182.5MB. Free memory was 114.5MB in the beginning and 138.6MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:46,529 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 182.5MB. Free memory was 138.6MB in the beginning and 138.4MB in the end (delta: 208.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:46,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.63ms. Allocated memory is still 182.5MB. Free memory was 149.0MB in the beginning and 135.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.10ms. Allocated memory is still 182.5MB. Free memory was 135.4MB in the beginning and 133.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.22ms. Allocated memory is still 182.5MB. Free memory was 132.8MB in the beginning and 129.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.97ms. Allocated memory is still 182.5MB. Free memory was 129.4MB in the beginning and 114.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 965.72ms. Allocated memory is still 182.5MB. Free memory was 114.5MB in the beginning and 138.6MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 182.5MB. Free memory was 138.6MB in the beginning and 138.4MB in the end (delta: 208.8kB). 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 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] float var_1_3 = 9.3; [L24] float var_1_4 = 3.4; [L25] unsigned short int var_1_5 = 32; [L26] unsigned short int var_1_9 = 1; [L27] unsigned char var_1_10 = 8; [L28] unsigned char var_1_11 = 5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 8; VAL [isInitial=0, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_9=1] [L80] isInitial = 1 [L81] FCALL initially() [L82] COND TRUE 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L63] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L65] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L66] var_1_11 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L67] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L69] var_1_13 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L70] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L84] RET updateVariables() [L85] CALL step() [L35] var_1_12 = var_1_13 [L36] var_1_14 = var_1_11 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=5/2, var_1_5=32, var_1_9=1] [L37] COND TRUE \read(var_1_12) [L38] var_1_1 = var_1_3 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=32, var_1_9=1] [L44] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L45] var_1_5 = (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L49] signed long int stepLocal_0 = 5 * var_1_14; VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L50] COND FALSE !(((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L57] COND TRUE var_1_1 < var_1_3 [L58] var_1_10 = var_1_11 VAL [isInitial=1, stepLocal_0=1270, var_1_10=254, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L85] RET step() [L86] CALL, EXPR property() [L76-L77] return (((((var_1_12 ? (var_1_1 == ((float) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((float) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))))) : (var_1_5 == ((unsigned short int) var_1_14)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_14 > (5 * var_1_14)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_14)) : 1) : 1) : 1)) && ((var_1_1 < var_1_3) ? (var_1_10 == ((unsigned char) var_1_11)) : 1)) && (var_1_12 == ((unsigned char) var_1_13))) && (var_1_14 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=254, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=254, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=254, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 45 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 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 22:16:46,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:49,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:49,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:16:49,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:49,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:49,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:49,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:49,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:49,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:49,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:49,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:49,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:49,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:49,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:49,182 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:49,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:49,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:49,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:49,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:49,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:49,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:49,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:49,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:49,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:16:49,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:16:49,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:49,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:16:49,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:49,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:49,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:49,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:49,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:49,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:49,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:49,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:49,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:49,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:49,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:49,195 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:16:49,195 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:16:49,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:49,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:49,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:49,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:49,197 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:16:49,197 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 [2024-10-31 22:16:49,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:49,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:49,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:49,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:49,635 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:49,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i Unable to find full path for "g++" [2024-10-31 22:16:52,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:52,450 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:52,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2024-10-31 22:16:52,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/164f1f6c0/eed655185ad3410bb3fa2144e28e0544/FLAG0ae94f4b5 [2024-10-31 22:16:52,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/data/164f1f6c0/eed655185ad3410bb3fa2144e28e0544 [2024-10-31 22:16:52,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:52,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:52,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:52,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:52,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:52,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:52" (1/1) ... [2024-10-31 22:16:52,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146d8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:52, skipping insertion in model container [2024-10-31 22:16:52,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:52" (1/1) ... [2024-10-31 22:16:52,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:53,095 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2024-10-31 22:16:53,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:53,179 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:53,204 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_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2024-10-31 22:16:53,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:53,330 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:53,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53 WrapperNode [2024-10-31 22:16:53,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:53,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:53,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:53,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:53,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,414 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-10-31 22:16:53,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:53,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:53,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:53,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:53,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,459 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 22:16:53,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:53,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:53,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:53,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:53,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (1/1) ... [2024-10-31 22:16:53,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:53,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:53,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:53,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:16:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:53,698 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:53,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:02,740 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:02,743 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:02,757 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:02,757 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:02,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:02 BoogieIcfgContainer [2024-10-31 22:17:02,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:02,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:02,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:02,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:02,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:52" (1/3) ... [2024-10-31 22:17:02,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9ee5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:02, skipping insertion in model container [2024-10-31 22:17:02,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:53" (2/3) ... [2024-10-31 22:17:02,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9ee5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:02, skipping insertion in model container [2024-10-31 22:17:02,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:02" (3/3) ... [2024-10-31 22:17:02,769 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-29.i [2024-10-31 22:17:02,788 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:02,789 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:17:02,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:02,892 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;@74b3c04e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:02,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:17:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:17:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:17:02,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:02,909 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 22:17:02,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:02,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:02,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1352345360, now seen corresponding path program 1 times [2024-10-31 22:17:02,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:02,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525762122] [2024-10-31 22:17:02,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:02,930 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 22:17:02,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:02,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:02,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:03,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:17:03,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-31 22:17:03,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:03,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525762122] [2024-10-31 22:17:03,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525762122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:03,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:03,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:03,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204685560] [2024-10-31 22:17:03,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:03,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:17:03,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:03,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:17:03,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:03,414 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:17:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:03,438 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-10-31 22:17:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:17:03,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-10-31 22:17:03,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:03,448 INFO L225 Difference]: With dead ends: 67 [2024-10-31 22:17:03,449 INFO L226 Difference]: Without dead ends: 33 [2024-10-31 22:17:03,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 22:17:03,456 INFO L432 NwaCegarLoop]: 45 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, 45 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 22:17:03,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-31 22:17:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-31 22:17:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:17:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2024-10-31 22:17:03,497 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 48 [2024-10-31 22:17:03,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:03,498 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2024-10-31 22:17:03,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:17:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-10-31 22:17:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:17:03,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:03,501 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 22:17:03,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:03,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:03,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:03,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1193502324, now seen corresponding path program 1 times [2024-10-31 22:17:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:03,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244654273] [2024-10-31 22:17:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:03,708 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 22:17:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:03,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:03,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:04,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:04,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:17:04,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:04,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:04,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244654273] [2024-10-31 22:17:04,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244654273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:04,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:04,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:04,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313151084] [2024-10-31 22:17:04,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:04,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:04,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:04,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:04,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:04,275 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-31 22:17:07,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:11,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:13,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:16,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:18,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:17:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:19,212 INFO L93 Difference]: Finished difference Result 77 states and 106 transitions. [2024-10-31 22:17:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:19,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2024-10-31 22:17:19,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:19,215 INFO L225 Difference]: With dead ends: 77 [2024-10-31 22:17:19,215 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:17:19,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:19,218 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:19,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 70 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2024-10-31 22:17:19,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:17:19,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2024-10-31 22:17:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:17:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2024-10-31 22:17:19,232 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 48 [2024-10-31 22:17:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:19,237 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2024-10-31 22:17:19,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-31 22:17:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2024-10-31 22:17:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:17:19,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:19,240 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 22:17:19,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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)] Ended with exit code 0 [2024-10-31 22:17:19,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:19,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:19,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:19,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1195349366, now seen corresponding path program 1 times [2024-10-31 22:17:19,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:19,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547834013] [2024-10-31 22:17:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:19,445 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 22:17:19,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:19,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:19,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b402c71b-8b3e-41fa-9a97-3a14929a6ac7/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 22:17:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:19,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:17:19,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:17:21,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-31 22:17:22,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:22,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547834013] [2024-10-31 22:17:22,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547834013] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:22,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:17:22,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-31 22:17:22,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117226773] [2024-10-31 22:17:22,362 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:22,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 22:17:22,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:22,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 22:17:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:17:22,364 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12)