./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC --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 1b276dadabf1c2167b11901ba656aa9e16f5041ffd48790c84fa96230d4114a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:08:24,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:08:24,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:08:24,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:08:24,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:08:24,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:08:24,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:08:24,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:08:24,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:08:24,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:08:24,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:08:24,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:08:24,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:08:24,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:08:24,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:08:24,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:08:24,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:08:24,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:08:24,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:08:24,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:08:24,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:08:24,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:08:24,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:08:24,969 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:08:24,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:08:24,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:08:24,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:24,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:08:24,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:08:24,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:08:24,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:08:24,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:24,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:08:24,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:08:24,971 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:08:24,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:08:24,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:08:24,973 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC 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 -> 1b276dadabf1c2167b11901ba656aa9e16f5041ffd48790c84fa96230d4114a3 [2024-11-24 01:08:25,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:08:25,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:08:25,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:08:25,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:08:25,337 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:08:25,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:28,567 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/789c307ca/77c7c5afd7a9436c83e8c558a4aa6af9/FLAG734f556a7 [2024-11-24 01:08:28,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:08:28,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:28,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/789c307ca/77c7c5afd7a9436c83e8c558a4aa6af9/FLAG734f556a7 [2024-11-24 01:08:29,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/789c307ca/77c7c5afd7a9436c83e8c558a4aa6af9 [2024-11-24 01:08:29,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:08:29,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:08:29,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:08:29,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:08:29,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:08:29,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d988aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29, skipping insertion in model container [2024-11-24 01:08:29,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:08:29,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i[913,926] [2024-11-24 01:08:29,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:08:29,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:08:29,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i[913,926] [2024-11-24 01:08:29,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:08:29,422 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:08:29,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29 WrapperNode [2024-11-24 01:08:29,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:08:29,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:08:29,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:08:29,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:08:29,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,489 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-24 01:08:29,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:08:29,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:08:29,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:08:29,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:08:29,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,528 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]. [2024-11-24 01:08:29,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:08:29,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:08:29,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:08:29,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:08:29,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (1/1) ... [2024-11-24 01:08:29,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:29,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:08:29,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:08:29,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:08:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:08:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:08:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:08:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:08:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:08:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:08:29,772 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:08:29,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:08:30,311 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-24 01:08:30,312 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:08:30,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:08:30,324 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:08:30,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:08:30 BoogieIcfgContainer [2024-11-24 01:08:30,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:08:30,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:08:30,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:08:30,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:08:30,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:08:29" (1/3) ... [2024-11-24 01:08:30,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b1b1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:08:30, skipping insertion in model container [2024-11-24 01:08:30,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:29" (2/3) ... [2024-11-24 01:08:30,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b1b1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:08:30, skipping insertion in model container [2024-11-24 01:08:30,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:08:30" (3/3) ... [2024-11-24 01:08:30,336 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:30,354 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:08:30,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-43.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:08:30,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:08:30,468 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;@32002cb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:08:30,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:08:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:08:30,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:30,496 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:30,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:30,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash 762234100, now seen corresponding path program 1 times [2024-11-24 01:08:30,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:30,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470058995] [2024-11-24 01:08:30,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:31,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:31,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470058995] [2024-11-24 01:08:31,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470058995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:08:31,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036783004] [2024-11-24 01:08:31,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:31,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:08:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:08:31,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:08:31,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:08:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:31,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:08:31,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:08:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-24 01:08:32,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:08:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:32,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036783004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:08:32,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:08:32,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-24 01:08:32,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114166447] [2024-11-24 01:08:32,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:08:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:08:32,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:32,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:08:32,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:08:32,533 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-24 01:08:32,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:32,911 INFO L93 Difference]: Finished difference Result 153 states and 251 transitions. [2024-11-24 01:08:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:08:32,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 133 [2024-11-24 01:08:32,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:32,929 INFO L225 Difference]: With dead ends: 153 [2024-11-24 01:08:32,929 INFO L226 Difference]: Without dead ends: 79 [2024-11-24 01:08:32,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:08:32,940 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 209 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:32,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 172 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:08:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-24 01:08:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2024-11-24 01:08:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 54 states have internal predecessors, (69), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2024-11-24 01:08:32,994 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 133 [2024-11-24 01:08:32,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:32,995 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2024-11-24 01:08:32,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-24 01:08:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-11-24 01:08:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:08:32,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:32,999 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:33,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:08:33,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:08:33,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:33,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:33,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1706975839, now seen corresponding path program 1 times [2024-11-24 01:08:33,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:33,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763218957] [2024-11-24 01:08:33,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:33,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763218957] [2024-11-24 01:08:33,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763218957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:08:33,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079172132] [2024-11-24 01:08:33,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:33,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:08:33,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:08:33,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:08:33,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:08:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:33,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:08:33,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:08:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-24 01:08:34,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:08:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:34,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079172132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:08:34,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:08:34,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-24 01:08:34,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367527768] [2024-11-24 01:08:34,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:08:34,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:08:34,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:34,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:08:34,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:08:34,607 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-24 01:08:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:35,111 INFO L93 Difference]: Finished difference Result 155 states and 220 transitions. [2024-11-24 01:08:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:08:35,115 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 134 [2024-11-24 01:08:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:35,117 INFO L225 Difference]: With dead ends: 155 [2024-11-24 01:08:35,117 INFO L226 Difference]: Without dead ends: 81 [2024-11-24 01:08:35,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:08:35,120 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 107 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:35,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 417 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:08:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-24 01:08:35,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2024-11-24 01:08:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 56 states have internal predecessors, (71), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-11-24 01:08:35,147 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 134 [2024-11-24 01:08:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:35,148 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-11-24 01:08:35,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-24 01:08:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-11-24 01:08:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:08:35,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:35,153 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:35,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:08:35,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-24 01:08:35,354 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1448810401, now seen corresponding path program 1 times [2024-11-24 01:08:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:35,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551241042] [2024-11-24 01:08:35,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:36,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:36,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551241042] [2024-11-24 01:08:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551241042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:36,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:08:36,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:08:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775402775] [2024-11-24 01:08:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:36,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:08:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:36,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:08:36,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:08:36,020 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:36,397 INFO L93 Difference]: Finished difference Result 163 states and 226 transitions. [2024-11-24 01:08:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:08:36,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-24 01:08:36,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:36,400 INFO L225 Difference]: With dead ends: 163 [2024-11-24 01:08:36,400 INFO L226 Difference]: Without dead ends: 87 [2024-11-24 01:08:36,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:08:36,402 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 126 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:36,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:08:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-24 01:08:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-24 01:08:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2024-11-24 01:08:36,419 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 134 [2024-11-24 01:08:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:36,420 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2024-11-24 01:08:36,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2024-11-24 01:08:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:08:36,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:36,423 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:36,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:08:36,423 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:36,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1841837411, now seen corresponding path program 1 times [2024-11-24 01:08:36,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106757338] [2024-11-24 01:08:36,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-24 01:08:36,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:08:36,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106757338] [2024-11-24 01:08:36,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106757338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:36,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:08:36,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:08:36,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131298295] [2024-11-24 01:08:36,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:36,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:08:36,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:08:36,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:08:36,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:08:36,738 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:36,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:36,865 INFO L93 Difference]: Finished difference Result 228 states and 308 transitions. [2024-11-24 01:08:36,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:08:36,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-24 01:08:36,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:36,869 INFO L225 Difference]: With dead ends: 228 [2024-11-24 01:08:36,869 INFO L226 Difference]: Without dead ends: 148 [2024-11-24 01:08:36,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:08:36,871 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 78 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:36,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 428 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:08:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-24 01:08:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 86. [2024-11-24 01:08:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2024-11-24 01:08:36,899 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 134 [2024-11-24 01:08:36,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:36,900 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2024-11-24 01:08:36,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2024-11-24 01:08:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:08:36,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:36,903 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:36,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:08:36,903 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:36,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:36,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1220979613, now seen corresponding path program 1 times [2024-11-24 01:08:36,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:08:36,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549284956] [2024-11-24 01:08:36,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:36,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:08:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:08:37,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276519238] [2024-11-24 01:08:37,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:37,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:08:37,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:08:37,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:08:37,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:08:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:08:37,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:08:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:08:37,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:08:37,329 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:08:37,330 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:08:37,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:08:37,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:08:37,535 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:08:37,635 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:08:37,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:08:37 BoogieIcfgContainer [2024-11-24 01:08:37,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:08:37,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:08:37,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:08:37,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:08:37,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:08:30" (3/4) ... [2024-11-24 01:08:37,644 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:08:37,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:08:37,646 INFO L158 Benchmark]: Toolchain (without parser) took 8632.81ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 119.3MB in the beginning and 274.7MB in the end (delta: -155.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-24 01:08:37,646 INFO L158 Benchmark]: CDTParser took 2.13ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:08:37,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.98ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:08:37,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.41ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:08:37,647 INFO L158 Benchmark]: Boogie Preprocessor took 59.30ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:08:37,647 INFO L158 Benchmark]: RCFGBuilder took 774.00ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 80.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:08:37,648 INFO L158 Benchmark]: TraceAbstraction took 7312.39ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 80.1MB in the beginning and 274.8MB in the end (delta: -194.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-24 01:08:37,648 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 377.5MB. Free memory was 274.8MB in the beginning and 274.7MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:08:37,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.98ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.41ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.3MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.30ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 774.00ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 80.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7312.39ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 80.1MB in the beginning and 274.8MB in the end (delta: -194.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 377.5MB. Free memory was 274.8MB in the beginning and 274.7MB in the end (delta: 78.0kB). 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 73, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] float var_1_2 = 4.5; [L24] float var_1_3 = 64.8; [L25] float var_1_4 = 64.4; [L26] float var_1_5 = 0.2; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=9/2, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L112] isInitial = 1 [L113] FCALL initially() [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && 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_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && 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_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] var_1_7 = __VERIFIER_nondet_short() [L81] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L81] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L82] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L83] var_1_8 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L85] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L85] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L86] var_1_9 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L89] var_1_10 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L95] var_1_16 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L98] var_1_19 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L116] RET updateVariables() [L117] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND FALSE !(var_1_14 >= stepLocal_2) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L108] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L108-L109] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 530 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 520 mSDsluCounter, 1210 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 819 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 391 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 70 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1061 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847 SizeOfPredicates, 2 NumberOfNonLiveVariables, 609 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 5810/6080 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:08:37,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC --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 1b276dadabf1c2167b11901ba656aa9e16f5041ffd48790c84fa96230d4114a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:08:40,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:08:40,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:08:40,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:08:40,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:08:40,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:08:40,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:08:40,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:08:40,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:08:40,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:08:40,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:08:40,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:08:40,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:08:40,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:08:40,839 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:08:40,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:08:40,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:08:40,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:08:40,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:08:40,841 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:08:40,842 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:08:40,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:08:40,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:08:40,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:08:40,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:08:40,843 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:08:40,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:08:40,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:08:40,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:40,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:40,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:08:40,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:08:40,845 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC 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 -> 1b276dadabf1c2167b11901ba656aa9e16f5041ffd48790c84fa96230d4114a3 [2024-11-24 01:08:41,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:08:41,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:08:41,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:08:41,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:08:41,189 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:08:41,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:44,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/bf5cb6e3b/546b0b2c0c46400cba8156f800197dff/FLAGee15d3779 [2024-11-24 01:08:44,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:08:44,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:44,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/bf5cb6e3b/546b0b2c0c46400cba8156f800197dff/FLAGee15d3779 [2024-11-24 01:08:44,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/data/bf5cb6e3b/546b0b2c0c46400cba8156f800197dff [2024-11-24 01:08:44,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:08:44,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:08:44,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:08:44,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:08:44,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:08:44,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64226ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44, skipping insertion in model container [2024-11-24 01:08:44,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:08:44,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i[913,926] [2024-11-24 01:08:44,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:08:44,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:08:44,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-43.i[913,926] [2024-11-24 01:08:44,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:08:44,855 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:08:44,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44 WrapperNode [2024-11-24 01:08:44,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:08:44,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:08:44,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:08:44,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:08:44,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,908 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-24 01:08:44,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:08:44,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:08:44,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:08:44,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:08:44,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,939 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]. [2024-11-24 01:08:44,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:08:44,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:08:44,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:08:44,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:08:44,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (1/1) ... [2024-11-24 01:08:44,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:08:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:08:45,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:08:45,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:08:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:08:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:08:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:08:45,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:08:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:08:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:08:45,186 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:08:45,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:08:46,044 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 01:08:46,044 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:08:46,056 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:08:46,057 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:08:46,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:08:46 BoogieIcfgContainer [2024-11-24 01:08:46,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:08:46,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:08:46,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:08:46,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:08:46,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:08:44" (1/3) ... [2024-11-24 01:08:46,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2468620d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:08:46, skipping insertion in model container [2024-11-24 01:08:46,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:08:44" (2/3) ... [2024-11-24 01:08:46,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2468620d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:08:46, skipping insertion in model container [2024-11-24 01:08:46,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:08:46" (3/3) ... [2024-11-24 01:08:46,069 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-43.i [2024-11-24 01:08:46,085 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:08:46,087 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-43.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:08:46,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:08:46,166 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;@68bc859e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:08:46,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:08:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:08:46,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:46,189 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:46,190 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:46,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1571513004, now seen corresponding path program 1 times [2024-11-24 01:08:46,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:08:46,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750384863] [2024-11-24 01:08:46,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:46,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:08:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:08:46,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:08:46,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:08:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:46,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:08:46,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:08:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-24 01:08:46,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:08:46,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:08:46,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750384863] [2024-11-24 01:08:46,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750384863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:46,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:08:46,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:08:46,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302938700] [2024-11-24 01:08:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:46,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:08:46,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:08:46,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:08:46,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:08:46,979 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:47,869 INFO L93 Difference]: Finished difference Result 119 states and 198 transitions. [2024-11-24 01:08:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:08:47,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2024-11-24 01:08:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:47,884 INFO L225 Difference]: With dead ends: 119 [2024-11-24 01:08:47,884 INFO L226 Difference]: Without dead ends: 63 [2024-11-24 01:08:47,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:08:47,892 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 77 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:47,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 117 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:08:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-24 01:08:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2024-11-24 01:08:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:08:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2024-11-24 01:08:47,950 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 127 [2024-11-24 01:08:47,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:47,955 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2024-11-24 01:08:47,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:08:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2024-11-24 01:08:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:08:47,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:47,964 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:08:47,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:08:48,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:08:48,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:48,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:48,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1514254702, now seen corresponding path program 1 times [2024-11-24 01:08:48,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:08:48,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360407673] [2024-11-24 01:08:48,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:08:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:08:48,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:08:48,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b851c58-d61d-4a64-87ba-39dd3c63a792/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:08:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:48,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 01:08:48,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 348 proven. 108 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-24 01:16:57,393 INFO L312 TraceCheckSpWp]: Computing backward predicates...