./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB --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 a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:08:25,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:08:25,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:08:25,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:08:25,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:08:25,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:08:25,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:08:25,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:08:25,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:08:25,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:08:25,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:08:25,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:08:25,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:08:25,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:08:25,175 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:08:25,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:08:25,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:08:25,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:08:25,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:08:25,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:08:25,177 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:08:25,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:08:25,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:08:25,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:08:25,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:08:25,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:08:25,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:25,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:08:25,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:08:25,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:08:25,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:08:25,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:25,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:08:25,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:08:25,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:08:25,181 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce [2024-11-28 04:08:25,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:08:25,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:08:25,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:08:25,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:08:25,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:08:25,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:28,635 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/6e63fdc2d/2191aabb93d844d7b34999e7ba337558/FLAG4eaaea98d [2024-11-28 04:08:28,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:08:28,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:28,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/6e63fdc2d/2191aabb93d844d7b34999e7ba337558/FLAG4eaaea98d [2024-11-28 04:08:28,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/6e63fdc2d/2191aabb93d844d7b34999e7ba337558 [2024-11-28 04:08:28,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:08:28,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:08:28,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:08:28,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:08:28,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:08:28,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:28" (1/1) ... [2024-11-28 04:08:28,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ed7d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:28, skipping insertion in model container [2024-11-28 04:08:28,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:28" (1/1) ... [2024-11-28 04:08:28,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:08:29,171 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-28 04:08:29,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:29,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:08:29,289 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-28 04:08:29,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:29,364 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:08:29,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29 WrapperNode [2024-11-28 04:08:29,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:08:29,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:29,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:08:29,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:08:29,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,425 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-28 04:08:29,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:29,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:08:29,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:08:29,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:08:29,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,464 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]. [2024-11-28 04:08:29,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,472 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:08:29,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:08:29,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:08:29,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:08:29,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (1/1) ... [2024-11-28 04:08:29,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:29,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:29,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:08:29,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:08:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:08:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:08:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:08:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:08:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:08:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:08:29,670 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:08:29,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:08:30,047 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 04:08:30,047 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:08:30,061 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:08:30,061 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:08:30,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:30 BoogieIcfgContainer [2024-11-28 04:08:30,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:08:30,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:08:30,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:08:30,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:08:30,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:28" (1/3) ... [2024-11-28 04:08:30,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496af5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:30, skipping insertion in model container [2024-11-28 04:08:30,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:29" (2/3) ... [2024-11-28 04:08:30,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496af5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:30, skipping insertion in model container [2024-11-28 04:08:30,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:30" (3/3) ... [2024-11-28 04:08:30,073 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:30,091 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:08:30,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-82.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:08:30,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:30,168 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;@91a6bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:30,169 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:08:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:08:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 04:08:30,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:30,185 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:30,186 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:30,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:30,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1911187605, now seen corresponding path program 1 times [2024-11-28 04:08:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993419765] [2024-11-28 04:08:30,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:30,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 04:08:30,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:30,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993419765] [2024-11-28 04:08:30,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993419765] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:08:30,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000605437] [2024-11-28 04:08:30,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:30,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:30,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:30,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:08:30,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:08:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:30,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:08:30,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 04:08:30,772 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:08:30,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000605437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:30,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:08:30,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:08:30,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493232639] [2024-11-28 04:08:30,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:30,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:08:30,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:30,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:08:30,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:08:30,808 INFO L87 Difference]: Start difference. First operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 04:08:30,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:30,840 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2024-11-28 04:08:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:08:30,844 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2024-11-28 04:08:30,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:30,853 INFO L225 Difference]: With dead ends: 109 [2024-11-28 04:08:30,853 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 04:08:30,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:08:30,864 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:30,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:08:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 04:08:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 04:08:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:08:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-28 04:08:30,914 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 95 [2024-11-28 04:08:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-28 04:08:30,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 04:08:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-28 04:08:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 04:08:30,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:30,918 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:30,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:08:31,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:31,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:31,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash 350077977, now seen corresponding path program 1 times [2024-11-28 04:08:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:31,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344914493] [2024-11-28 04:08:31,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 04:08:31,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344914493] [2024-11-28 04:08:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344914493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:31,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:31,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646957777] [2024-11-28 04:08:31,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:31,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:31,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:31,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:31,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:31,566 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:31,688 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2024-11-28 04:08:31,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:08:31,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2024-11-28 04:08:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:31,691 INFO L225 Difference]: With dead ends: 123 [2024-11-28 04:08:31,691 INFO L226 Difference]: Without dead ends: 72 [2024-11-28 04:08:31,691 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 [2024-11-28 04:08:31,692 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 21 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:31,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 207 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:08:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-28 04:08:31,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 58. [2024-11-28 04:08:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:08:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 83 transitions. [2024-11-28 04:08:31,710 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 83 transitions. Word has length 95 [2024-11-28 04:08:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:31,712 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 83 transitions. [2024-11-28 04:08:31,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2024-11-28 04:08:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:08:31,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:31,714 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:31,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:08:31,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:31,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:31,715 INFO L85 PathProgramCache]: Analyzing trace with hash 583334100, now seen corresponding path program 1 times [2024-11-28 04:08:31,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:31,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235408773] [2024-11-28 04:08:31,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:31,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 04:08:32,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:32,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235408773] [2024-11-28 04:08:32,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235408773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:32,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:32,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:32,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180042824] [2024-11-28 04:08:32,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:32,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:32,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:32,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:32,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:32,188 INFO L87 Difference]: Start difference. First operand 58 states and 83 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:32,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:32,559 INFO L93 Difference]: Finished difference Result 181 states and 258 transitions. [2024-11-28 04:08:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:32,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 97 [2024-11-28 04:08:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:32,564 INFO L225 Difference]: With dead ends: 181 [2024-11-28 04:08:32,566 INFO L226 Difference]: Without dead ends: 126 [2024-11-28 04:08:32,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:08:32,568 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 72 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:32,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 281 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:08:32,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-28 04:08:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 115. [2024-11-28 04:08:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 84 states have (on average 1.2857142857142858) internal successors, (108), 84 states have internal predecessors, (108), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 04:08:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2024-11-28 04:08:32,610 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 97 [2024-11-28 04:08:32,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:32,611 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2024-11-28 04:08:32,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2024-11-28 04:08:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:08:32,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:32,613 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:32,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:08:32,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:32,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:32,616 INFO L85 PathProgramCache]: Analyzing trace with hash 841499538, now seen corresponding path program 1 times [2024-11-28 04:08:32,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:32,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095774352] [2024-11-28 04:08:32,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:32,730 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:08:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:32,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:08:32,876 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:08:32,877 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:08:32,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:08:32,883 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:08:32,990 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:08:32,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:32 BoogieIcfgContainer [2024-11-28 04:08:32,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:08:32,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:08:32,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:08:32,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:08:32,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:30" (3/4) ... [2024-11-28 04:08:32,999 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:08:33,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:08:33,002 INFO L158 Benchmark]: Toolchain (without parser) took 4045.20ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 49.3MB in the end (delta: 42.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-28 04:08:33,003 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:33,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.63ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:08:33,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.18ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:33,007 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:08:33,008 INFO L158 Benchmark]: RCFGBuilder took 576.41ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 50.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:08:33,008 INFO L158 Benchmark]: TraceAbstraction took 2929.88ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.3MB in the end (delta: 779.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:33,008 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:33,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.63ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.18ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 576.41ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 50.4MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2929.88ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.3MB in the end (delta: 779.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 128.75; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 63.5; [L25] float var_1_4 = 255.5; [L26] unsigned char var_1_5 = 32; [L27] unsigned char var_1_9 = 25; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 16; [L30] unsigned char var_1_12 = 2; [L31] unsigned char var_1_14 = 5; [L32] unsigned char var_1_15 = 10; [L33] double var_1_16 = 3.75; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 255.5; [L36] unsigned char last_1_var_1_5 = 32; [L37] unsigned char last_1_var_1_12 = 2; [L38] unsigned char last_1_var_1_17 = 0; VAL [isInitial=0, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L106] CALL updateLastVariables() [L94] last_1_var_1_5 = var_1_5 [L95] last_1_var_1_12 = var_1_12 [L96] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L73] var_1_3 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L75] var_1_4 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L76] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L79] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L79] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L81] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L82] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L85] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L86] var_1_14 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L87] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L88] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L88] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L90] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L91] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L91] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L107] RET updateVariables() [L108] CALL step() [L42] EXPR last_1_var_1_17 | last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L42] signed long int stepLocal_0 = last_1_var_1_17 | last_1_var_1_12; [L43] COND FALSE !((last_1_var_1_5 / -2) >= stepLocal_0) [L46] var_1_5 = (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=0, var_1_9=128] [L48] COND FALSE !(! var_1_2) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=0, var_1_9=128] [L53] var_1_16 = var_1_4 [L54] var_1_17 = var_1_9 [L55] var_1_18 = var_1_3 [L56] unsigned char stepLocal_1 = var_1_9; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_1=128, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L57] COND FALSE !((var_1_5 + var_1_11) >= stepLocal_1) [L66] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99] EXPR last_1_var_1_17 | last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99-L100] return ((((((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) && (((var_1_5 + var_1_11) >= var_1_9) ? ((((((var_1_4) > ((var_1_1 * var_1_3))) ? (var_1_4) : ((var_1_1 * var_1_3)))) <= var_1_1) ? (var_1_12 == ((unsigned char) ((((var_1_11) > (var_1_14)) ? (var_1_11) : (var_1_14))))) : (var_1_2 ? (var_1_12 == ((unsigned char) (var_1_11 + var_1_15))) : 1)) : (var_1_12 == ((unsigned char) var_1_9)))) && (var_1_16 == ((double) var_1_4))) && (var_1_17 == ((unsigned char) var_1_9))) && (var_1_18 == ((double) var_1_3)) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 566 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 225 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1430/1456 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 [2024-11-28 04:08:33,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB --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 a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:08:35,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:08:36,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:08:36,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:08:36,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:08:36,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:08:36,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:08:36,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:08:36,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:08:36,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:08:36,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:08:36,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:08:36,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:08:36,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:08:36,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:08:36,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:08:36,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:08:36,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:08:36,088 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:08:36,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:36,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:08:36,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:36,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:08:36,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:08:36,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:08:36,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:08:36,091 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:08:36,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:08:36,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:08:36,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:08:36,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:08:36,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:08:36,092 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce [2024-11-28 04:08:36,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:08:36,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:08:36,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:08:36,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:08:36,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:08:36,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:39,480 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/c228a5dbd/d47f3768e1f548588d492880cfb1ba81/FLAG78d71d85c [2024-11-28 04:08:39,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:08:39,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:39,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/c228a5dbd/d47f3768e1f548588d492880cfb1ba81/FLAG78d71d85c [2024-11-28 04:08:39,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/data/c228a5dbd/d47f3768e1f548588d492880cfb1ba81 [2024-11-28 04:08:39,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:08:39,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:08:39,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:08:39,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:08:39,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:08:39,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:39" (1/1) ... [2024-11-28 04:08:39,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:39, skipping insertion in model container [2024-11-28 04:08:39,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:39" (1/1) ... [2024-11-28 04:08:39,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:08:40,019 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-28 04:08:40,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:40,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:08:40,136 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_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-28 04:08:40,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:40,206 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:08:40,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40 WrapperNode [2024-11-28 04:08:40,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:08:40,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:40,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:08:40,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:08:40,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,272 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-28 04:08:40,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:40,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:08:40,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:08:40,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:08:40,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,311 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]. [2024-11-28 04:08:40,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:08:40,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:08:40,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:08:40,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:08:40,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (1/1) ... [2024-11-28 04:08:40,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:40,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:08:40,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:08:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:08:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:08:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:08:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:08:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:08:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:08:40,519 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:08:40,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:08:42,269 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 04:08:42,269 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:08:42,279 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:08:42,279 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:08:42,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:42 BoogieIcfgContainer [2024-11-28 04:08:42,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:08:42,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:08:42,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:08:42,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:08:42,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:39" (1/3) ... [2024-11-28 04:08:42,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a75610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:42, skipping insertion in model container [2024-11-28 04:08:42,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:40" (2/3) ... [2024-11-28 04:08:42,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a75610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:42, skipping insertion in model container [2024-11-28 04:08:42,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:42" (3/3) ... [2024-11-28 04:08:42,294 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-82.i [2024-11-28 04:08:42,311 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:08:42,313 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-82.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:08:42,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:42,393 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;@56e9757c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:42,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:08:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:08:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 04:08:42,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:42,426 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:42,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:42,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:42,432 INFO L85 PathProgramCache]: Analyzing trace with hash 765478487, now seen corresponding path program 1 times [2024-11-28 04:08:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:08:42,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623425976] [2024-11-28 04:08:42,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:42,443 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 [2024-11-28 04:08:42,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:08:42,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:08:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:08:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:42,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:08:42,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 04:08:42,709 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:08:42,710 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:08:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623425976] [2024-11-28 04:08:42,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623425976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:42,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:42,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789262511] [2024-11-28 04:08:42,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:42,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:08:42,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:08:42,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:08:42,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:08:42,745 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:42,777 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-28 04:08:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:08:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2024-11-28 04:08:42,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:42,786 INFO L225 Difference]: With dead ends: 89 [2024-11-28 04:08:42,787 INFO L226 Difference]: Without dead ends: 44 [2024-11-28 04:08:42,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:08:42,795 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:42,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:08:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-28 04:08:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-28 04:08:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:08:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-28 04:08:42,847 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 91 [2024-11-28 04:08:42,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:42,848 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-28 04:08:42,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-28 04:08:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 04:08:42,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:42,852 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:42,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:08:43,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:08:43,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -730463269, now seen corresponding path program 1 times [2024-11-28 04:08:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:08:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926995088] [2024-11-28 04:08:43,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:43,055 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 [2024-11-28 04:08:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:08:43,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:08:43,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:08:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:43,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:08:43,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 04:08:43,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:08:43,858 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:08:43,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926995088] [2024-11-28 04:08:43,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926995088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:43,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:43,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:43,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862348952] [2024-11-28 04:08:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:43,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:08:43,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:08:43,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:08:43,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:08:43,863 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:45,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:46,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:08:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:46,577 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2024-11-28 04:08:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:08:46,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2024-11-28 04:08:46,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:46,590 INFO L225 Difference]: With dead ends: 127 [2024-11-28 04:08:46,590 INFO L226 Difference]: Without dead ends: 86 [2024-11-28 04:08:46,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:08:46,592 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:46,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 199 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 04:08:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-28 04:08:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 73. [2024-11-28 04:08:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 04:08:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2024-11-28 04:08:46,615 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 91 [2024-11-28 04:08:46,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:46,616 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2024-11-28 04:08:46,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-28 04:08:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2024-11-28 04:08:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 04:08:46,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:46,618 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:46,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:08:46,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:08:46,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:46,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:46,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1539809895, now seen corresponding path program 1 times [2024-11-28 04:08:46,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:08:46,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138512413] [2024-11-28 04:08:46,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:46,821 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 [2024-11-28 04:08:46,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:08:46,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:08:46,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fcfcbe-c8ab-4f90-a61a-99a5a8361019/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:08:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:46,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 04:08:46,986 INFO L279 TraceCheckSpWp]: Computing forward predicates...