./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b12a87112e893e06b4108602efb156c6b105d83d4f27cdd9d3121a96ce033332
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:04:48,607 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:04:48,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:04:48,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:04:48,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:04:48,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:04:48,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:04:48,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:04:48,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:04:48,706 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:04:48,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:04:48,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:04:48,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:04:48,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:04:48,707 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:04:48,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:04:48,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:04:48,707 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:04:48,708 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:04:48,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:04:48,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:04:48,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:04:48,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:04:48,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:04:48,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:04:48,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:04:48,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:04:48,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:04:48,711 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:04:48,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:04:48,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:04:48,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:04:48,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:04:48,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:04:48,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:04:48,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:04:48,712 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_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12a87112e893e06b4108602efb156c6b105d83d4f27cdd9d3121a96ce033332
[2024-11-23 23:04:49,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:04:49,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:04:49,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:04:49,073 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:04:49,073 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:04:49,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:04:52,202 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/1b988eead/6a846508525d47f7840694228220c83f/FLAG904ddb6b8
[2024-11-23 23:04:52,515 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:04:52,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:04:52,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/1b988eead/6a846508525d47f7840694228220c83f/FLAG904ddb6b8
[2024-11-23 23:04:52,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/1b988eead/6a846508525d47f7840694228220c83f
[2024-11-23 23:04:52,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:04:52,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:04:52,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:04:52,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:04:52,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:04:52,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315debf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52, skipping insertion in model container
[2024-11-23 23:04:52,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,577 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:04:52,747 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_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i[913,926]
[2024-11-23 23:04:52,823 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:04:52,836 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:04:52,848 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_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i[913,926]
[2024-11-23 23:04:52,880 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:04:52,898 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:04:52,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52 WrapperNode
[2024-11-23 23:04:52,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:04:52,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:04:52,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:04:52,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:04:52,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,976 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108
[2024-11-23 23:04:52,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:04:52,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:04:52,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:04:52,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:04:52,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:52,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,023 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].
[2024-11-23 23:04:53,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,032 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:04:53,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:04:53,046 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:04:53,046 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:04:53,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (1/1) ...
[2024-11-23 23:04:53,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:04:53,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:04:53,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:04:53,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:04:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:04:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:04:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:04:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:04:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:04:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:04:53,223 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:04:53,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:04:53,611 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-23 23:04:53,611 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:04:53,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:04:53,622 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:04:53,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:53 BoogieIcfgContainer
[2024-11-23 23:04:53,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:04:53,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:04:53,630 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:04:53,638 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:04:53,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:04:52" (1/3) ...
[2024-11-23 23:04:53,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa5a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:53, skipping insertion in model container
[2024-11-23 23:04:53,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:52" (2/3) ...
[2024-11-23 23:04:53,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa5a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:53, skipping insertion in model container
[2024-11-23 23:04:53,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:53" (3/3) ...
[2024-11-23 23:04:53,640 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:04:53,657 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:04:53,659 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-40.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:04:53,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:04:53,734 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;@482ffd79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:04:53,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:04:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:04:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-23 23:04:53,748 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:04:53,749 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:04:53,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:04:53,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:04:53,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1284550771, now seen corresponding path program 1 times
[2024-11-23 23:04:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:04:53,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853863107]
[2024-11-23 23:04:53,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:53,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:04:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:04:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-11-23 23:04:54,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:04:54,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853863107]
[2024-11-23 23:04:54,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853863107] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:04:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450021497]
[2024-11-23 23:04:54,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:04:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:04:54,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:04:54,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:04:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:04:54,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:04:54,324 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:04:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-11-23 23:04:54,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:04:54,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450021497] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:04:54,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:04:54,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-23 23:04:54,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504292094]
[2024-11-23 23:04:54,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:04:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:04:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:04:54,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:04:54,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:04:54,387 INFO L87 Difference]: Start difference. First operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-23 23:04:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:04:54,415 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions.
[2024-11-23 23:04:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:04:54,416 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85
[2024-11-23 23:04:54,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:04:54,424 INFO L225 Difference]: With dead ends: 93
[2024-11-23 23:04:54,424 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:04:54,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:04:54,434 INFO L435 NwaCegarLoop]: 65 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, 65 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
[2024-11-23 23:04:54,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:04:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:04:54,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-11-23 23:04:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:04:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions.
[2024-11-23 23:04:54,485 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 85
[2024-11-23 23:04:54,485 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:04:54,485 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions.
[2024-11-23 23:04:54,486 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-23 23:04:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions.
[2024-11-23 23:04:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:04:54,488 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:04:54,488 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:04:54,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:04:54,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-23 23:04:54,693 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:04:54,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:04:54,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1365721472, now seen corresponding path program 1 times
[2024-11-23 23:04:54,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:04:54,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615810928]
[2024-11-23 23:04:54,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:04:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:04:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-23 23:04:55,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:04:55,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615810928]
[2024-11-23 23:04:55,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615810928] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:04:55,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:04:55,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:04:55,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911081526]
[2024-11-23 23:04:55,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:04:55,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:04:55,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:04:55,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:04:55,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:04:55,138 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:04:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:04:55,178 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions.
[2024-11-23 23:04:55,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:04:55,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-11-23 23:04:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:04:55,181 INFO L225 Difference]: With dead ends: 89
[2024-11-23 23:04:55,182 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:04:55,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:04:55,183 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:04:55,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:04:55,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:04:55,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-11-23 23:04:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:04:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions.
[2024-11-23 23:04:55,191 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 86
[2024-11-23 23:04:55,192 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:04:55,192 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions.
[2024-11-23 23:04:55,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:04:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions.
[2024-11-23 23:04:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:04:55,194 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:04:55,194 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:04:55,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:04:55,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:04:55,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:04:55,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2119899198, now seen corresponding path program 1 times
[2024-11-23 23:04:55,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:04:55,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006222205]
[2024-11-23 23:04:55,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:55,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:04:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:04:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-23 23:04:55,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:04:55,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006222205]
[2024-11-23 23:04:55,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006222205] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:04:55,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:04:55,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:04:55,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761700137]
[2024-11-23 23:04:55,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:04:56,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:04:56,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:04:56,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:04:56,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:04:56,005 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:04:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:04:56,590 INFO L93 Difference]: Finished difference Result 169 states and 234 transitions.
[2024-11-23 23:04:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:04:56,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-11-23 23:04:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:04:56,594 INFO L225 Difference]: With dead ends: 169
[2024-11-23 23:04:56,594 INFO L226 Difference]: Without dead ends: 126
[2024-11-23 23:04:56,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:04:56,595 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 96 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-23 23:04:56,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 194 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-23 23:04:56,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2024-11-23 23:04:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 79.
[2024-11-23 23:04:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-23 23:04:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions.
[2024-11-23 23:04:56,647 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 86
[2024-11-23 23:04:56,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:04:56,648 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions.
[2024-11-23 23:04:56,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:04:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions.
[2024-11-23 23:04:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:04:56,652 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:04:56,652 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:04:56,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:04:56,653 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:04:56,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:04:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2121746240, now seen corresponding path program 1 times
[2024-11-23 23:04:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:04:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043998393]
[2024-11-23 23:04:56,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:56,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:04:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-23 23:04:56,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326578884]
[2024-11-23 23:04:56,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:04:56,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:04:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:04:56,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:04:56,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:04:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:04:56,987 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:04:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:04:57,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:04:57,104 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:04:57,105 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:04:57,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 23:04:57,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:04:57,310 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 23:04:57,370 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:04:57,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:04:57 BoogieIcfgContainer
[2024-11-23 23:04:57,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:04:57,374 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:04:57,374 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:04:57,374 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:04:57,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:53" (3/4) ...
[2024-11-23 23:04:57,378 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-23 23:04:57,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:04:57,380 INFO L158 Benchmark]: Toolchain (without parser) took 4833.68ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 60.2MB in the end (delta: 58.8MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,380 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:04:57,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.57ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.31ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 101.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,381 INFO L158 Benchmark]: Boogie Preprocessor took 68.55ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 95.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,381 INFO L158 Benchmark]: RCFGBuilder took 576.94ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 75.1MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,382 INFO L158 Benchmark]: TraceAbstraction took 3743.96ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 60.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
[2024-11-23 23:04:57,382 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:04:57,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 351.57ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 76.31ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 101.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.55ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 95.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 576.94ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 75.1MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3743.96ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 60.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
* Witness Printer took 4.83ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 106.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 128;
[L23] signed short int var_1_4 = -200;
[L24] unsigned short int var_1_8 = 5;
[L25] unsigned char var_1_9 = 1;
[L26] unsigned char var_1_10 = 0;
[L27] unsigned char var_1_11 = 0;
[L28] unsigned char var_1_12 = 16;
[L29] unsigned char var_1_15 = 50;
[L30] unsigned short int var_1_16 = 1;
[L31] float var_1_17 = 25.4;
[L32] float var_1_20 = 1.6;
[L33] unsigned short int var_1_21 = 0;
[L34] float var_1_24 = 128.5;
[L35] double var_1_25 = -0.5;
[L36] signed long int var_1_26 = 4;
[L37] unsigned char last_1_var_1_9 = 1;
[L38] float last_1_var_1_24 = 128.5;
VAL [isInitial=0, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=-200, var_1_8=5, var_1_9=1]
[L110] isInitial = 1
[L111] FCALL initially()
[L113] CALL updateLastVariables()
[L102] last_1_var_1_9 = var_1_9
[L103] last_1_var_1_24 = var_1_24
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=-200, var_1_8=5, var_1_9=1]
[L113] RET updateLastVariables()
[L114] CALL updateVariables()
[L82] var_1_4 = __VERIFIER_nondet_short()
[L83] CALL assume_abort_if_not(var_1_4 >= -32768)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L83] RET assume_abort_if_not(var_1_4 >= -32768)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L84] CALL assume_abort_if_not(var_1_4 <= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L84] RET assume_abort_if_not(var_1_4 <= 32767)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L85] CALL assume_abort_if_not(var_1_4 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L85] RET assume_abort_if_not(var_1_4 != 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=5, var_1_9=1]
[L86] var_1_8 = __VERIFIER_nondet_ushort()
[L87] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_9=1]
[L87] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_9=1]
[L88] CALL assume_abort_if_not(var_1_8 <= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L88] RET assume_abort_if_not(var_1_8 <= 32767)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L89] var_1_10 = __VERIFIER_nondet_uchar()
[L90] CALL assume_abort_if_not(var_1_10 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L90] RET assume_abort_if_not(var_1_10 >= 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L91] CALL assume_abort_if_not(var_1_10 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L91] RET assume_abort_if_not(var_1_10 <= 1)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L92] var_1_11 = __VERIFIER_nondet_uchar()
[L93] CALL assume_abort_if_not(var_1_11 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L93] RET assume_abort_if_not(var_1_11 >= 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L94] CALL assume_abort_if_not(var_1_11 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L94] RET assume_abort_if_not(var_1_11 <= 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L95] var_1_15 = __VERIFIER_nondet_uchar()
[L96] CALL assume_abort_if_not(var_1_15 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L96] RET assume_abort_if_not(var_1_15 >= 0)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L97] CALL assume_abort_if_not(var_1_15 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L97] RET assume_abort_if_not(var_1_15 <= 254)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L98] var_1_20 = __VERIFIER_nondet_float()
[L99] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L99] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L114] RET updateVariables()
[L115] CALL step()
[L42] COND FALSE !((last_1_var_1_9 && var_1_11) && (50 > var_1_8))
[L49] var_1_12 = var_1_15
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L51] unsigned char stepLocal_1 = var_1_10;
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_1=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=1]
[L52] COND TRUE (var_1_12 != var_1_4) || stepLocal_1
[L53] var_1_9 = var_1_11
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_4=5, var_1_8=0, var_1_9=0]
[L55] var_1_26 = var_1_12
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L56] COND FALSE !((var_1_9 && var_1_11) && var_1_9)
[L59] var_1_21 = ((23370 - var_1_15) + var_1_12)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L61] signed long int stepLocal_2 = -4;
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_2=-4, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L62] COND FALSE !(! (-4 < var_1_12))
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_2=-4, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L65] COND FALSE !(stepLocal_2 > var_1_21)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=23370, var_1_24=257/2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L69] var_1_16 = (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))
[L70] var_1_25 = var_1_20
[L71] unsigned short int stepLocal_0 = var_1_16;
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, stepLocal_0=2, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L72] COND TRUE ((var_1_16 * var_1_16) / var_1_4) <= stepLocal_0
[L73] var_1_1 = var_1_12
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L77] COND FALSE !((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16))
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L115] RET step()
[L116] CALL, EXPR property()
[L106-L107] return (((((((((((var_1_16 * var_1_16) / var_1_4) <= var_1_16) ? (var_1_1 == ((unsigned short int) var_1_12)) : (var_1_1 == ((unsigned short int) (var_1_12 + var_1_12)))) && (((var_1_12 != var_1_4) || var_1_10) ? (var_1_9 == ((unsigned char) var_1_11)) : 1)) && (((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) ? (((- last_1_var_1_24) < last_1_var_1_24) ? (last_1_var_1_9 ? (var_1_12 == ((unsigned char) 5)) : 1) : 1) : (var_1_12 == ((unsigned char) var_1_15)))) && (var_1_16 == ((unsigned short int) (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))))) && (((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) ? (var_1_17 == ((float) var_1_20)) : 1)) && (((var_1_9 && var_1_11) && var_1_9) ? (var_1_21 == ((unsigned short int) (var_1_26 + (var_1_15 + ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))))))) : (var_1_21 == ((unsigned short int) ((23370 - var_1_15) + var_1_12))))) && ((! (-4 < var_1_12)) ? (var_1_24 == ((float) var_1_20)) : ((-4 > var_1_21) ? (var_1_24 == ((float) 10.6f)) : 1))) && (var_1_25 == ((double) var_1_20))) && (var_1_26 == ((signed long int) var_1_12))
;
VAL [\result=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L116] RET, EXPR property()
[L116] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_4=5, var_1_8=0, var_1_9=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 208 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, InterpolantAutomatonStates: 10, 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, 47 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1034/1056 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
[2024-11-23 23:04:57,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b12a87112e893e06b4108602efb156c6b105d83d4f27cdd9d3121a96ce033332
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:05:00,202 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:05:00,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-23 23:05:00,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:05:00,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:05:00,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:05:00,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:05:00,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:05:00,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:05:00,351 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:05:00,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:05:00,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:05:00,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:05:00,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:05:00,352 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:05:00,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:05:00,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:05:00,352 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:05:00,352 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-23 23:05:00,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-23 23:05:00,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 23:05:00,354 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:05:00,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:05:00,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:05:00,354 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:05:00,354 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:00,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:05:00,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:00,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:05:00,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:05:00,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:05:00,357 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_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12a87112e893e06b4108602efb156c6b105d83d4f27cdd9d3121a96ce033332
[2024-11-23 23:05:00,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:05:00,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:05:00,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:05:00,791 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:05:00,795 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:05:00,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:05:03,899 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/d1821c3e2/5c610ceb20b9473bac779bcda1e3a0f6/FLAG6cf752fe8
[2024-11-23 23:05:04,187 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:05:04,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:05:04,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/d1821c3e2/5c610ceb20b9473bac779bcda1e3a0f6/FLAG6cf752fe8
[2024-11-23 23:05:04,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/data/d1821c3e2/5c610ceb20b9473bac779bcda1e3a0f6
[2024-11-23 23:05:04,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:05:04,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:05:04,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:05:04,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:05:04,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:05:04,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566297c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04, skipping insertion in model container
[2024-11-23 23:05:04,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,260 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:05:04,444 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_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i[913,926]
[2024-11-23 23:05:04,524 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:05:04,545 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:05:04,560 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_875599d6-9d02-4513-9ba9-71de62e67006/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-40.i[913,926]
[2024-11-23 23:05:04,606 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:05:04,635 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:05:04,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04 WrapperNode
[2024-11-23 23:05:04,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:05:04,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:05:04,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:05:04,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:05:04,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,686 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107
[2024-11-23 23:05:04,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:05:04,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:05:04,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:05:04,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:05:04,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,714 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].
[2024-11-23 23:05:04,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,724 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:05:04,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:05:04,736 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:05:04,736 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:05:04,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (1/1) ...
[2024-11-23 23:05:04,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:05:04,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:05:04,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:04,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:05:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:05:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-23 23:05:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:05:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:05:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:05:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:05:04,914 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:05:04,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:05:05,606 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-23 23:05:05,607 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:05:05,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:05:05,619 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:05:05,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:05 BoogieIcfgContainer
[2024-11-23 23:05:05,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:05:05,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:05:05,623 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:05:05,628 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:05:05,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:05:04" (1/3) ...
[2024-11-23 23:05:05,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f019486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:05, skipping insertion in model container
[2024-11-23 23:05:05,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:04" (2/3) ...
[2024-11-23 23:05:05,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f019486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:05, skipping insertion in model container
[2024-11-23 23:05:05,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:05" (3/3) ...
[2024-11-23 23:05:05,631 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-40.i
[2024-11-23 23:05:05,648 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:05:05,650 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-40.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:05:05,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:05:05,725 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;@77b4c21e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:05:05,725 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:05:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:05:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-23 23:05:05,739 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:05:05,740 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:05,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:05:05,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1284550771, now seen corresponding path program 1 times
[2024-11-23 23:05:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:05:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123106013]
[2024-11-23 23:05:05,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:05,760 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
[2024-11-23 23:05:05,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:05:05,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:05,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-23 23:05:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:06,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:05:06,099 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:05:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked.
[2024-11-23 23:05:06,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:05:06,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:05:06,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123106013]
[2024-11-23 23:05:06,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123106013] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:05:06,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:05:06,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:05:06,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702510753]
[2024-11-23 23:05:06,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:05:06,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:05:06,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:05:06,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:05:06,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:05:06,178 INFO L87 Difference]: Start difference. First operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-23 23:05:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:05:06,202 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions.
[2024-11-23 23:05:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:05:06,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85
[2024-11-23 23:05:06,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:05:06,210 INFO L225 Difference]: With dead ends: 93
[2024-11-23 23:05:06,210 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:05:06,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:05:06,216 INFO L435 NwaCegarLoop]: 65 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, 65 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
[2024-11-23 23:05:06,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:05:06,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:05:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-11-23 23:05:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:05:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions.
[2024-11-23 23:05:06,263 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 85
[2024-11-23 23:05:06,265 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:05:06,265 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions.
[2024-11-23 23:05:06,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-23 23:05:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions.
[2024-11-23 23:05:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:05:06,271 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:05:06,271 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:06,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-23 23:05:06,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:05:06,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:05:06,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:06,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1365721472, now seen corresponding path program 1 times
[2024-11-23 23:05:06,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:05:06,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294963306]
[2024-11-23 23:05:06,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:06,474 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
[2024-11-23 23:05:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:05:06,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:06,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-23 23:05:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:06,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 23:05:06,712 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:05:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-23 23:05:06,819 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:05:06,819 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:05:06,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294963306]
[2024-11-23 23:05:06,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294963306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:05:06,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:05:06,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:05:06,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932970934]
[2024-11-23 23:05:06,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:05:06,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:05:06,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:05:06,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:05:06,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:05:06,822 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:05:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:05:07,061 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions.
[2024-11-23 23:05:07,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:05:07,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-11-23 23:05:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:05:07,071 INFO L225 Difference]: With dead ends: 89
[2024-11-23 23:05:07,071 INFO L226 Difference]: Without dead ends: 46
[2024-11-23 23:05:07,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:05:07,072 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:05:07,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:05:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-23 23:05:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-11-23 23:05:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-23 23:05:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions.
[2024-11-23 23:05:07,081 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 86
[2024-11-23 23:05:07,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:05:07,083 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions.
[2024-11-23 23:05:07,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:05:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions.
[2024-11-23 23:05:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:05:07,085 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:05:07,085 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:07,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-23 23:05:07,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:05:07,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:05:07,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:07,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2119899198, now seen corresponding path program 1 times
[2024-11-23 23:05:07,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:05:07,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125999241]
[2024-11-23 23:05:07,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:07,287 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
[2024-11-23 23:05:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:05:07,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:07,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-23 23:05:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:07,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-23 23:05:07,549 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:05:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-23 23:05:07,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:05:07,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:05:07,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125999241]
[2024-11-23 23:05:07,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125999241] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:05:07,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:05:07,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:05:07,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910819770]
[2024-11-23 23:05:07,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:05:07,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:05:07,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:05:07,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:05:07,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:05:07,971 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:05:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:05:09,666 INFO L93 Difference]: Finished difference Result 190 states and 261 transitions.
[2024-11-23 23:05:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 23:05:09,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86
[2024-11-23 23:05:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:05:09,670 INFO L225 Difference]: With dead ends: 190
[2024-11-23 23:05:09,670 INFO L226 Difference]: Without dead ends: 147
[2024-11-23 23:05:09,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:05:09,671 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 152 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-23 23:05:09,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 226 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-23 23:05:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2024-11-23 23:05:09,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 88.
[2024-11-23 23:05:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-23 23:05:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 121 transitions.
[2024-11-23 23:05:09,697 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 121 transitions. Word has length 86
[2024-11-23 23:05:09,698 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:05:09,698 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 121 transitions.
[2024-11-23 23:05:09,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-23 23:05:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions.
[2024-11-23 23:05:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-23 23:05:09,700 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:05:09,700 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:05:09,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-23 23:05:09,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:05:09,904 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:05:09,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:05:09,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2121746240, now seen corresponding path program 1 times
[2024-11-23 23:05:09,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:05:09,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859152204]
[2024-11-23 23:05:09,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:05:09,906 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
[2024-11-23 23:05:09,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:05:09,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:05:09,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875599d6-9d02-4513-9ba9-71de62e67006/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-23 23:05:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:05:10,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-23 23:05:10,175 INFO L279 TraceCheckSpWp]: Computing forward predicates...