./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.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_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:13:56,233 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:13:56,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:13:56,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:13:56,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:13:56,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:13:56,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:13:56,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:13:56,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:13:56,372 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:13:56,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:13:56,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:13:56,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:13:56,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:13:56,374 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:13:56,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:13:56,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:13:56,374 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:13:56,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:13:56,376 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:13:56,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:13:56,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:13:56,376 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:13:56,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:13:56,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:56,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:56,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:13:56,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:56,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:13:56,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:56,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:56,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:13:56,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:56,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:13:56,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:13:56,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:13:56,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:13:56,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:13:56,380 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
[2024-11-24 00:13:56,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:13:56,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:13:56,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:13:56,736 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:13:56,737 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:13:56,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:13:59,748 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/d157dff87/72209ed3f0004926a41ec5306384ae68/FLAG3d1dec00c
[2024-11-24 00:14:00,164 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:14:00,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:14:00,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/d157dff87/72209ed3f0004926a41ec5306384ae68/FLAG3d1dec00c
[2024-11-24 00:14:00,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/d157dff87/72209ed3f0004926a41ec5306384ae68
[2024-11-24 00:14:00,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:14:00,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:14:00,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:00,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:14:00,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:14:00,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2bed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00, skipping insertion in model container
[2024-11-24 00:14:00,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,252 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:14:00,455 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2024-11-24 00:14:00,544 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:00,562 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:14:00,575 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2024-11-24 00:14:00,626 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:00,652 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:14:00,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00 WrapperNode
[2024-11-24 00:14:00,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:00,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:00,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:14:00,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:14:00,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,740 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98
[2024-11-24 00:14:00,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:00,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:14:00,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:14:00,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:14:00,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,790 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:14:00,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:14:00,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:14:00,832 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:14:00,832 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:14:00,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (1/1) ...
[2024-11-24 00:14:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:00,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:00,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:14:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:14:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:14:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:14:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:14:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:14:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:14:01,009 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:14:01,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:14:01,481 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-24 00:14:01,481 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:14:01,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:14:01,498 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:14:01,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:01 BoogieIcfgContainer
[2024-11-24 00:14:01,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:14:01,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:14:01,504 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:14:01,509 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:14:01,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:14:00" (1/3) ...
[2024-11-24 00:14:01,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:01, skipping insertion in model container
[2024-11-24 00:14:01,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:00" (2/3) ...
[2024-11-24 00:14:01,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:01, skipping insertion in model container
[2024-11-24 00:14:01,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:01" (3/3) ...
[2024-11-24 00:14:01,514 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:14:01,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:14:01,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:14:01,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:14:01,649 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;@4a59412c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:14:01,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:14:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:01,668 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:01,669 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:01,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:01,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1983077494, now seen corresponding path program 1 times
[2024-11-24 00:14:01,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:14:01,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661123510]
[2024-11-24 00:14:01,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:14:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked.
[2024-11-24 00:14:01,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:14:01,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661123510]
[2024-11-24 00:14:01,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661123510] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:14:01,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689117826]
[2024-11-24 00:14:01,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:01,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:14:01,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:02,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:14:02,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:14:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:02,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:02,182 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked.
[2024-11-24 00:14:02,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:14:02,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689117826] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:02,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:14:02,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 00:14:02,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616268523]
[2024-11-24 00:14:02,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:02,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:14:02,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:14:02,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:14:02,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:02,266 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:14:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:02,307 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions.
[2024-11-24 00:14:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:14:02,311 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77
[2024-11-24 00:14:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:02,319 INFO L225 Difference]: With dead ends: 87
[2024-11-24 00:14:02,319 INFO L226 Difference]: Without dead ends: 41
[2024-11-24 00:14:02,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:02,328 INFO L435 NwaCegarLoop]: 60 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, 60 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
[2024-11-24 00:14:02,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:14:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:14:02,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:14:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions.
[2024-11-24 00:14:02,412 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 77
[2024-11-24 00:14:02,412 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:02,413 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions.
[2024-11-24 00:14:02,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:14:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions.
[2024-11-24 00:14:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:02,417 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:02,417 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:02,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:14:02,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 00:14:02,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:02,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:02,619 INFO L85 PathProgramCache]: Analyzing trace with hash 709590544, now seen corresponding path program 1 times
[2024-11-24 00:14:02,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:14:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295838533]
[2024-11-24 00:14:02,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:14:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-24 00:14:02,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:14:02,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295838533]
[2024-11-24 00:14:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295838533] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:02,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:14:02,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:14:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863386831]
[2024-11-24 00:14:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:02,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:14:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:14:02,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:14:02,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:14:02,940 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:14:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:02,968 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions.
[2024-11-24 00:14:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:14:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77
[2024-11-24 00:14:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:02,971 INFO L225 Difference]: With dead ends: 79
[2024-11-24 00:14:02,971 INFO L226 Difference]: Without dead ends: 41
[2024-11-24 00:14:02,972 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
[2024-11-24 00:14:02,973 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:14:02,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:14:02,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:14:02,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:14:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2024-11-24 00:14:02,982 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 77
[2024-11-24 00:14:02,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:02,984 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2024-11-24 00:14:02,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:14:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2024-11-24 00:14:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:02,986 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:02,987 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:02,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:14:02,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:02,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1810369390, now seen corresponding path program 1 times
[2024-11-24 00:14:02,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:14:02,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500106807]
[2024-11-24 00:14:02,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:14:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:14:03,163 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:14:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:14:03,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:14:03,270 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:14:03,272 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 00:14:03,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:14:03,278 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-24 00:14:03,340 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:14:03,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:14:03 BoogieIcfgContainer
[2024-11-24 00:14:03,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:14:03,349 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:14:03,350 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:14:03,351 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:14:03,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:01" (3/4) ...
[2024-11-24 00:14:03,355 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:14:03,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:14:03,359 INFO L158 Benchmark]: Toolchain (without parser) took 3146.45ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 58.8MB in the end (delta: 41.8MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB.
[2024-11-24 00:14:03,360 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:03,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.03ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 87.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:14:03,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.54ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:14:03,362 INFO L158 Benchmark]: Boogie Preprocessor took 90.05ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 78.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:14:03,363 INFO L158 Benchmark]: RCFGBuilder took 668.05ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:14:03,364 INFO L158 Benchmark]: TraceAbstraction took 1844.55ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:03,364 INFO L158 Benchmark]: Witness Printer took 8.96ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:03,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 438.03ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 87.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 86.54ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 90.05ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 78.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 668.05ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1844.55ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 8.96ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 36.9kB). 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 75, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 128;
[L23] unsigned char var_1_4 = 25;
[L24] unsigned char var_1_5 = 64;
[L25] unsigned char var_1_6 = 8;
[L26] unsigned char var_1_7 = 0;
[L27] unsigned char var_1_8 = 10;
[L28] float var_1_9 = 9.6;
[L29] float var_1_10 = 99.08;
[L30] float var_1_11 = 63.4;
[L31] float var_1_12 = 32.125;
[L32] signed long int var_1_13 = -8;
[L33] signed short int var_1_14 = -2;
VAL [isInitial=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L88] isInitial = 1
[L89] FCALL initially()
[L90] int k_loop;
[L91] k_loop = 0
VAL [isInitial=1, k_loop=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L91] COND TRUE k_loop < 1
VAL [isInitial=1, k_loop=0, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L92] FCALL updateLastVariables()
[L93] CALL updateVariables()
[L62] var_1_4 = __VERIFIER_nondet_uchar()
[L63] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L63] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L64] CALL assume_abort_if_not(var_1_4 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L64] RET assume_abort_if_not(var_1_4 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L65] var_1_5 = __VERIFIER_nondet_uchar()
[L66] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L66] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L67] CALL assume_abort_if_not(var_1_5 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L67] RET assume_abort_if_not(var_1_5 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=8, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L68] var_1_6 = __VERIFIER_nondet_uchar()
[L69] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L69] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L70] CALL assume_abort_if_not(var_1_6 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L70] RET assume_abort_if_not(var_1_6 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=0, var_1_8=10, var_1_9=48/5]
[L71] var_1_7 = __VERIFIER_nondet_uchar()
[L72] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_8=10, var_1_9=48/5]
[L72] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_8=10, var_1_9=48/5]
[L73] CALL assume_abort_if_not(var_1_7 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L73] RET assume_abort_if_not(var_1_7 <= 127)
VAL [isInitial=1, var_1_10=2477/25, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L74] var_1_10 = __VERIFIER_nondet_float()
[L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, var_1_11=317/5, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L76] var_1_11 = __VERIFIER_nondet_float()
[L77] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L77] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, var_1_12=257/8, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L78] var_1_12 = __VERIFIER_nondet_float()
[L79] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L79] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ))
VAL [isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L93] RET updateVariables()
[L94] CALL step()
[L37] unsigned char stepLocal_1 = var_1_4;
VAL [isInitial=1, stepLocal_1=126, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=10, var_1_9=48/5]
[L38] COND TRUE var_1_5 > stepLocal_1
[L39] var_1_8 = (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5))))
VAL [isInitial=1, var_1_13=-8, var_1_14=-2, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L41] var_1_13 = var_1_7
[L42] var_1_14 = var_1_7
[L43] signed short int stepLocal_0 = var_1_14;
VAL [isInitial=1, stepLocal_0=8, var_1_13=8, var_1_14=8, var_1_1=128, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L44] COND FALSE !(var_1_14 != stepLocal_0)
[L47] var_1_1 = ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7)))
VAL [isInitial=1, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L49] signed long int stepLocal_3 = var_1_13;
[L50] unsigned char stepLocal_2 = var_1_1;
VAL [isInitial=1, stepLocal_2=4, stepLocal_3=8, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L51] COND FALSE !((var_1_10 * var_1_11) > 16.75f)
VAL [isInitial=1, stepLocal_2=4, stepLocal_3=8, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L94] RET step()
[L95] CALL, EXPR property()
[L84-L85] return (((((var_1_14 != var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) ((((((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) < (var_1_7)) ? (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6)))) : (var_1_7)))))) && ((var_1_5 > var_1_4) ? (var_1_8 == ((unsigned char) (128 - ((((10) > (var_1_5)) ? (10) : (var_1_5)))))) : 1)) && (((var_1_10 * var_1_11) > 16.75f) ? ((var_1_7 <= var_1_1) ? ((-8 > var_1_13) ? (var_1_9 == ((float) var_1_12)) : 1) : (var_1_9 == ((float) var_1_12))) : 1)) && (var_1_13 == ((signed long int) var_1_7))) && (var_1_14 == ((signed short int) var_1_7))
;
VAL [\result=0, isInitial=1, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L95] RET, EXPR property()
[L95] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
[L19] reach_error()
VAL [isInitial=1, var_1_13=8, var_1_14=8, var_1_1=4, var_1_4=126, var_1_5=127, var_1_6=4, var_1_7=8, var_1_8=1, var_1_9=48/5]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 114 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 640/660 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 00:14:03,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:14:06,425 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:14:06,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:14:06,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:14:06,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:14:06,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:14:06,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:14:06,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:14:06,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:14:06,641 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:14:06,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:14:06,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:14:06,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:14:06,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:14:06,642 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:14:06,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:14:06,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:14:06,643 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 00:14:06,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:14:06,644 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:14:06,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:14:06,646 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:14:06,646 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:14:06,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:14:06,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:06,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:06,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:06,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:06,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:14:06,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:06,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:06,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:06,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:06,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:14:06,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:14:06,649 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:14:06,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:14:06,649 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 00:14:06,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:14:06,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:14:06,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:14:06,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:14:06,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:14:06,650 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 -> 7e8dd03ff6ba8f306af161cccb833486a1e5ea2d1b42cd2cf566ce58d3c9e67f
[2024-11-24 00:14:07,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:14:07,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:14:07,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:14:07,146 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:14:07,146 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:14:07,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:14:10,492 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/97e322955/e241c832839b455596412b1ef8b87a97/FLAG40408610e
[2024-11-24 00:14:10,759 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:14:10,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:14:10,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/97e322955/e241c832839b455596412b1ef8b87a97/FLAG40408610e
[2024-11-24 00:14:11,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/data/97e322955/e241c832839b455596412b1ef8b87a97
[2024-11-24 00:14:11,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:14:11,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:14:11,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:11,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:14:11,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:14:11,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d892e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11, skipping insertion in model container
[2024-11-24 00:14:11,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,127 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:14:11,278 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2024-11-24 00:14:11,335 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:11,358 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:14:11,371 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_6ff160e7-e087-4e5c-ad65-29740aa5a976/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-84.i[915,928]
[2024-11-24 00:14:11,401 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:11,427 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:14:11,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11 WrapperNode
[2024-11-24 00:14:11,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:11,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:11,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:14:11,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:14:11,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,476 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98
[2024-11-24 00:14:11,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:11,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:14:11,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:14:11,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:14:11,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,513 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:14:11,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:14:11,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:14:11,544 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:14:11,544 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:14:11,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (1/1) ...
[2024-11-24 00:14:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:11,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:11,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:14:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:14:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:14:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:14:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:14:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:14:11,761 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:14:11,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:14:13,199 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-24 00:14:13,199 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:14:13,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:14:13,212 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:14:13,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:13 BoogieIcfgContainer
[2024-11-24 00:14:13,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:14:13,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:14:13,216 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:14:13,221 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:14:13,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:14:11" (1/3) ...
[2024-11-24 00:14:13,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b89336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:13, skipping insertion in model container
[2024-11-24 00:14:13,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:11" (2/3) ...
[2024-11-24 00:14:13,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b89336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:13, skipping insertion in model container
[2024-11-24 00:14:13,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:13" (3/3) ...
[2024-11-24 00:14:13,224 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i
[2024-11-24 00:14:13,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:14:13,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-84.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:14:13,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:14:13,321 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;@7923bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:14:13,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:14:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:13,338 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:13,339 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:13,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:13,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1983077494, now seen corresponding path program 1 times
[2024-11-24 00:14:13,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:14:13,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989551520]
[2024-11-24 00:14:13,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:14:13,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:13,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-24 00:14:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:13,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:13,715 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2024-11-24 00:14:13,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:14:13,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:14:13,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989551520]
[2024-11-24 00:14:13,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989551520] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:13,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:14:13,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:14:13,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535071587]
[2024-11-24 00:14:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:13,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:14:13,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:14:13,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:14:13,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:13,786 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:14:13,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:13,812 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions.
[2024-11-24 00:14:13,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:14:13,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77
[2024-11-24 00:14:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:13,821 INFO L225 Difference]: With dead ends: 87
[2024-11-24 00:14:13,821 INFO L226 Difference]: Without dead ends: 41
[2024-11-24 00:14:13,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:13,828 INFO L435 NwaCegarLoop]: 60 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, 60 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
[2024-11-24 00:14:13,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:14:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:14:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:14:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions.
[2024-11-24 00:14:13,869 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 77
[2024-11-24 00:14:13,869 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:13,870 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions.
[2024-11-24 00:14:13,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-24 00:14:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions.
[2024-11-24 00:14:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:13,876 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:13,876 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:13,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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
[2024-11-24 00:14:14,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:14,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:14,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:14,078 INFO L85 PathProgramCache]: Analyzing trace with hash 709590544, now seen corresponding path program 1 times
[2024-11-24 00:14:14,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:14:14,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855204510]
[2024-11-24 00:14:14,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:14,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:14:14,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:14,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-24 00:14:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:14,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:14,393 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-24 00:14:14,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:14:14,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:14:14,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855204510]
[2024-11-24 00:14:14,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855204510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:14,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:14:14,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:14:14,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152612046]
[2024-11-24 00:14:14,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:14,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:14:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:14:14,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:14:14,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:14:14,481 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:14:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:14,637 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions.
[2024-11-24 00:14:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:14:14,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77
[2024-11-24 00:14:14,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:14,645 INFO L225 Difference]: With dead ends: 79
[2024-11-24 00:14:14,645 INFO L226 Difference]: Without dead ends: 41
[2024-11-24 00:14:14,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:14:14,647 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:14:14,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:14:14,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:14:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:14:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-24 00:14:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2024-11-24 00:14:14,655 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 77
[2024-11-24 00:14:14,657 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:14,657 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2024-11-24 00:14:14,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:14:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2024-11-24 00:14:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:14:14,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:14,659 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:14,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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
[2024-11-24 00:14:14,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:14,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:14,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:14,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1810369390, now seen corresponding path program 1 times
[2024-11-24 00:14:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:14:14,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727490426]
[2024-11-24 00:14:14,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:14,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:14,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:14:14,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:14,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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
[2024-11-24 00:14:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:15,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:15,127 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:15:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-24 00:15:54,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:15:54,210 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:15:54,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727490426]
[2024-11-24 00:15:54,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727490426] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:15:54,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:15:54,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 00:15:54,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500831993]
[2024-11-24 00:15:54,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:15:54,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:15:54,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:15:54,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:15:54,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:15:54,213 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:16:03,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:16:03,946 INFO L93 Difference]: Finished difference Result 72 states and 90 transitions.
[2024-11-24 00:16:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 00:16:03,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77
[2024-11-24 00:16:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:16:03,948 INFO L225 Difference]: With dead ends: 72
[2024-11-24 00:16:03,948 INFO L226 Difference]: Without dead ends: 70
[2024-11-24 00:16:03,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:16:03,950 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 71 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:16:03,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 243 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2024-11-24 00:16:03,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-11-24 00:16:03,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63.
[2024-11-24 00:16:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-24 00:16:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions.
[2024-11-24 00:16:03,966 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 77
[2024-11-24 00:16:03,966 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:16:03,967 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions.
[2024-11-24 00:16:03,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:16:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions.
[2024-11-24 00:16:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-24 00:16:03,969 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:16:03,969 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:16:03,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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)] Forceful destruction successful, exit code 0
[2024-11-24 00:16:04,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:16:04,170 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:16:04,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:16:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1130311020, now seen corresponding path program 1 times
[2024-11-24 00:16:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:16:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285464195]
[2024-11-24 00:16:04,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:16:04,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:16:04,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:16:04,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:16:04,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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
[2024-11-24 00:16:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:16:04,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-24 00:16:04,413 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:16:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2024-11-24 00:16:55,180 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:18:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-24 00:18:39,774 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:18:39,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285464195]
[2024-11-24 00:18:39,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285464195] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:18:39,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:18:39,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 22
[2024-11-24 00:18:39,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509412762]
[2024-11-24 00:18:39,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:18:39,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 00:18:39,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:18:39,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 00:18:39,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462
[2024-11-24 00:18:39,777 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:18:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:18:50,550 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions.
[2024-11-24 00:18:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 00:18:50,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77
[2024-11-24 00:18:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:18:50,560 INFO L225 Difference]: With dead ends: 77
[2024-11-24 00:18:50,560 INFO L226 Difference]: Without dead ends: 75
[2024-11-24 00:18:50,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552
[2024-11-24 00:18:50,561 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-11-24 00:18:50,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 236 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-11-24 00:18:50,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2024-11-24 00:18:50,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66.
[2024-11-24 00:18:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.18) internal successors, (59), 51 states have internal predecessors, (59), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-24 00:18:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions.
[2024-11-24 00:18:50,577 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 77
[2024-11-24 00:18:50,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:18:50,578 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions.
[2024-11-24 00:18:50,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:18:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions.
[2024-11-24 00:18:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-11-24 00:18:50,580 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:18:50,581 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:18:50,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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)] Ended with exit code 0
[2024-11-24 00:18:50,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:18:50,781 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:18:50,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:18:50,782 INFO L85 PathProgramCache]: Analyzing trace with hash -692364413, now seen corresponding path program 1 times
[2024-11-24 00:18:50,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:18:50,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996531264]
[2024-11-24 00:18:50,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:18:50,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:18:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:18:50,784 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:18:50,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 (6)] Waiting until timeout for monitored process
[2024-11-24 00:18:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:18:51,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-24 00:18:51,005 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:22:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.
[2024-11-24 00:22:06,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:22:06,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:22:06,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996531264]
[2024-11-24 00:22:06,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996531264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:22:06,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:22:06,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-24 00:22:06,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047132497]
[2024-11-24 00:22:06,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:22:06,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-24 00:22:06,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:22:06,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-24 00:22:06,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-11-24 00:22:06,157 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:22:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:22:10,611 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions.
[2024-11-24 00:22:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-24 00:22:10,612 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 78
[2024-11-24 00:22:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:22:10,613 INFO L225 Difference]: With dead ends: 86
[2024-11-24 00:22:10,614 INFO L226 Difference]: Without dead ends: 84
[2024-11-24 00:22:10,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2024-11-24 00:22:10,615 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 76 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-24 00:22:10,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 253 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-24 00:22:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-24 00:22:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 70.
[2024-11-24 00:22:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 53 states have (on average 1.169811320754717) internal successors, (62), 54 states have internal predecessors, (62), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-24 00:22:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions.
[2024-11-24 00:22:10,625 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 78
[2024-11-24 00:22:10,626 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:22:10,626 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions.
[2024-11-24 00:22:10,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11)
[2024-11-24 00:22:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions.
[2024-11-24 00:22:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-11-24 00:22:10,627 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:10,628 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:10,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 (6)] Ended with exit code 0
[2024-11-24 00:22:10,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:22:10,828 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:10,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1085391423, now seen corresponding path program 1 times
[2024-11-24 00:22:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:22:10,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859770712]
[2024-11-24 00:22:10,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:10,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:22:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:22:10,831 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:22:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff160e7-e087-4e5c-ad65-29740aa5a976/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 (7)] Waiting until timeout for monitored process
[2024-11-24 00:22:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:11,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-24 00:22:11,044 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:24:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 113 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-11-24 00:24:09,360 INFO L312 TraceCheckSpWp]: Computing backward predicates...