./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.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_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/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_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/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_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/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 ed5539fee4fb2d538d1b3a57f488868dc71c30a910c9437e66cd5d1c11ee1465
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:37:50,419 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:37:50,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:37:50,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:37:50,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:37:50,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:37:50,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:37:50,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:37:50,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:37:50,539 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:37:50,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:37:50,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:37:50,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:37:50,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:37:50,540 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:37:50,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:37:50,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:37:50,541 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:37:50,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:37:50,541 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:37:50,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:37:50,542 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:37:50,543 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:37:50,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:37:50,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:37:50,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:37:50,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:37:50,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:37:50,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:37:50,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:37:50,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:37:50,545 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_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/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 -> ed5539fee4fb2d538d1b3a57f488868dc71c30a910c9437e66cd5d1c11ee1465
[2024-11-23 23:37:50,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:37:50,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:37:50,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:37:50,913 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:37:50,913 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:37:50,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.i
[2024-11-23 23:37:54,079 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/data/ed22c1e89/7801c582642f43feb8510857507d60eb/FLAGbb85cf9da
[2024-11-23 23:37:54,434 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:37:54,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.i
[2024-11-23 23:37:54,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/data/ed22c1e89/7801c582642f43feb8510857507d60eb/FLAGbb85cf9da
[2024-11-23 23:37:54,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/data/ed22c1e89/7801c582642f43feb8510857507d60eb
[2024-11-23 23:37:54,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:37:54,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:37:54,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:37:54,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:37:54,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:37:54,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:54,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc42301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54, skipping insertion in model container
[2024-11-23 23:37:54,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:54,540 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:37:54,729 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_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.i[916,929]
[2024-11-23 23:37:54,809 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:37:54,832 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:37:54,848 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-5.i[916,929]
[2024-11-23 23:37:54,892 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:37:54,920 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:37:54,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54 WrapperNode
[2024-11-23 23:37:54,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:37:54,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:37:54,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:37:54,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:37:54,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:54,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,007 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118
[2024-11-23 23:37:55,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:37:55,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:37:55,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:37:55,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:37:55,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,042 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:37:55,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:37:55,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:37:55,062 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:37:55,062 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:37:55,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (1/1) ...
[2024-11-23 23:37:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:37:55,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:37:55,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:37:55,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:37:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:37:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:37:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:37:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:37:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:37:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:37:55,247 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:37:55,249 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:37:55,644 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-23 23:37:55,644 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:37:55,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:37:55,662 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:37:55,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:55 BoogieIcfgContainer
[2024-11-23 23:37:55,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:37:55,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:37:55,667 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:37:55,676 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:37:55,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:37:54" (1/3) ...
[2024-11-23 23:37:55,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1f2fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:55, skipping insertion in model container
[2024-11-23 23:37:55,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:54" (2/3) ...
[2024-11-23 23:37:55,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1f2fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:55, skipping insertion in model container
[2024-11-23 23:37:55,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:55" (3/3) ...
[2024-11-23 23:37:55,679 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-5.i
[2024-11-23 23:37:55,698 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:37:55,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-5.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:37:55,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:37:55,791 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;@8156237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:37:55,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:37:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-23 23:37:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-23 23:37:55,813 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:37:55,813 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:37:55,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:37:55,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:37:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 929324851, now seen corresponding path program 1 times
[2024-11-23 23:37:55,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:37:55,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666880706]
[2024-11-23 23:37:55,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:37:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:37:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:37:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-23 23:37:56,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:37:56,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666880706]
[2024-11-23 23:37:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666880706] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:37:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029786505]
[2024-11-23 23:37:56,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:37:56,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:37:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:37:56,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:37:56,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:37:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:37:56,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:37:56,468 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:37:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-23 23:37:56,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:37:56,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029786505] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:37:56,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:37:56,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-23 23:37:56,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335980141]
[2024-11-23 23:37:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:37:56,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:37:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:37:56,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:37:56,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:37:56,548 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-23 23:37:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:37:56,581 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions.
[2024-11-23 23:37:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:37:56,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123
[2024-11-23 23:37:56,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:37:56,594 INFO L225 Difference]: With dead ends: 103
[2024-11-23 23:37:56,595 INFO L226 Difference]: Without dead ends: 51
[2024-11-23 23:37:56,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:37:56,604 INFO L435 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:37:56,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:37:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-23 23:37:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-23 23:37:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-23 23:37:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions.
[2024-11-23 23:37:56,645 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 123
[2024-11-23 23:37:56,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:37:56,646 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions.
[2024-11-23 23:37:56,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-23 23:37:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions.
[2024-11-23 23:37:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-23 23:37:56,649 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:37:56,649 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:37:56,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:37:56,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:37:56,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:37:56,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:37:56,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1217728759, now seen corresponding path program 1 times
[2024-11-23 23:37:56,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:37:56,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177910953]
[2024-11-23 23:37:56,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:37:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:37:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:38:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-23 23:38:01,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:38:01,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177910953]
[2024-11-23 23:38:01,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177910953] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:38:01,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:38:01,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-23 23:38:01,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548434165]
[2024-11-23 23:38:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:38:01,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:38:01,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:38:01,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:38:01,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:38:01,927 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:38:03,633 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions.
[2024-11-23 23:38:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 23:38:03,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123
[2024-11-23 23:38:03,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:38:03,637 INFO L225 Difference]: With dead ends: 92
[2024-11-23 23:38:03,637 INFO L226 Difference]: Without dead ends: 90
[2024-11-23 23:38:03,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-23 23:38:03,639 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 56 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-23 23:38:03,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 379 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-23 23:38:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2024-11-23 23:38:03,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74.
[2024-11-23 23:38:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-23 23:38:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions.
[2024-11-23 23:38:03,672 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 123
[2024-11-23 23:38:03,673 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:38:03,673 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions.
[2024-11-23 23:38:03,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions.
[2024-11-23 23:38:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-23 23:38:03,678 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:38:03,678 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:38:03,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:38:03,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:38:03,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:38:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1274987061, now seen corresponding path program 1 times
[2024-11-23 23:38:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:38:03,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384745675]
[2024-11-23 23:38:03,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:38:03,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:38:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:38:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-23 23:38:03,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:38:03,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384745675]
[2024-11-23 23:38:03,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384745675] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:38:03,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:38:03,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:38:03,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479066776]
[2024-11-23 23:38:03,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:38:03,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:38:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:38:03,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:38:03,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:38:03,826 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:38:03,852 INFO L93 Difference]: Finished difference Result 141 states and 200 transitions.
[2024-11-23 23:38:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:38:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123
[2024-11-23 23:38:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:38:03,856 INFO L225 Difference]: With dead ends: 141
[2024-11-23 23:38:03,856 INFO L226 Difference]: Without dead ends: 70
[2024-11-23 23:38:03,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:38:03,857 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:38:03,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:38:03,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-11-23 23:38:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2024-11-23 23:38:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 44 states have internal predecessors, (49), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-23 23:38:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions.
[2024-11-23 23:38:03,877 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 123
[2024-11-23 23:38:03,877 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:38:03,878 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions.
[2024-11-23 23:38:03,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions.
[2024-11-23 23:38:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-23 23:38:03,881 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:38:03,881 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:38:03,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:38:03,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:38:03,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:38:03,882 INFO L85 PathProgramCache]: Analyzing trace with hash 453110410, now seen corresponding path program 1 times
[2024-11-23 23:38:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:38:03,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419950130]
[2024-11-23 23:38:03,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:38:03,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:38:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:38:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-23 23:38:09,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:38:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419950130]
[2024-11-23 23:38:09,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419950130] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:38:09,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:38:09,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-23 23:38:09,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202793457]
[2024-11-23 23:38:09,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:38:09,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 23:38:09,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:38:09,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 23:38:09,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:38:09,175 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:38:12,677 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions.
[2024-11-23 23:38:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-23 23:38:12,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124
[2024-11-23 23:38:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:38:12,680 INFO L225 Difference]: With dead ends: 135
[2024-11-23 23:38:12,680 INFO L226 Difference]: Without dead ends: 133
[2024-11-23 23:38:12,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272
[2024-11-23 23:38:12,682 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 107 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:38:12,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 490 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 23:38:12,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2024-11-23 23:38:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 90.
[2024-11-23 23:38:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:38:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 119 transitions.
[2024-11-23 23:38:12,749 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 119 transitions. Word has length 124
[2024-11-23 23:38:12,749 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:38:12,749 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 119 transitions.
[2024-11-23 23:38:12,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 119 transitions.
[2024-11-23 23:38:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-23 23:38:12,751 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:38:12,751 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:38:12,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:38:12,751 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:38:12,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:38:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash -356236216, now seen corresponding path program 1 times
[2024-11-23 23:38:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:38:12,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887742316]
[2024-11-23 23:38:12,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:38:12,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:38:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:38:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-23 23:38:14,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:38:14,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887742316]
[2024-11-23 23:38:14,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887742316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:38:14,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:38:14,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-23 23:38:14,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108822046]
[2024-11-23 23:38:14,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:38:14,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 23:38:14,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:38:14,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 23:38:14,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-23 23:38:14,801 INFO L87 Difference]: Start difference. First operand 90 states and 119 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:17,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:38:17,123 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions.
[2024-11-23 23:38:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-23 23:38:17,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124
[2024-11-23 23:38:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:38:17,125 INFO L225 Difference]: With dead ends: 103
[2024-11-23 23:38:17,125 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:38:17,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272
[2024-11-23 23:38:17,127 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 82 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:38:17,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 442 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 23:38:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:38:17,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:38:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:38:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:38:17,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124
[2024-11-23 23:38:17,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:38:17,129 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:38:17,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-23 23:38:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:38:17,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:38:17,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:38:17,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:38:17,136 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-23 23:38:17,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:38:21,162 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:38:21,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:38:21 BoogieIcfgContainer
[2024-11-23 23:38:21,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:38:21,185 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:38:21,185 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:38:21,185 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:38:21,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:55" (3/4) ...
[2024-11-23 23:38:21,190 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:38:21,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-23 23:38:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-23 23:38:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 23:38:21,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:38:21,205 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:38:21,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:38:21,298 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:38:21,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:38:21,301 INFO L158 Benchmark]: Toolchain (without parser) took 26792.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 254.0MB in the end (delta: -160.5MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,302 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:38:21,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.32ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.73ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,305 INFO L158 Benchmark]: Boogie Preprocessor took 50.89ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 71.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:38:21,305 INFO L158 Benchmark]: RCFGBuilder took 601.34ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 52.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,305 INFO L158 Benchmark]: TraceAbstraction took 25517.38ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.2MB in the beginning and 258.3MB in the end (delta: -206.1MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,306 INFO L158 Benchmark]: Witness Printer took 113.60ms. Allocated memory is still 352.3MB. Free memory was 258.3MB in the beginning and 254.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:38:21,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 414.32ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 85.73ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.89ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 71.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 601.34ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 52.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 25517.38ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.2MB in the beginning and 258.3MB in the end (delta: -206.1MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB.
* Witness Printer took 113.60ms. Allocated memory is still 352.3MB. Free memory was 258.3MB in the beginning and 254.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. 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
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 1529 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1084 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 445 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=4, InterpolantAutomatonStates: 43, 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, 5 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 740 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 2417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4522/4560 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 108]: Loop Invariant
Derived loop invariant: (((((((((long long) var_1_18 + 4) == 0) && (var_1_1 == 0)) && (var_1_8 == var_1_19)) && (var_1_20 == var_1_12)) && ((((2 % var_1_15) * (var_1_8 / var_1_14)) < var_1_12) || (((var_1_17 < var_1_16) || (((((var_1_15 * 65535) + var_1_8) + var_1_17) % 65536) == var_1_13)) && ((((((var_1_15 * 65535) + var_1_8) + var_1_16) % 65536) == var_1_13) || (var_1_16 < (var_1_17 + 1)))))) && (var_1_8 == var_1_12)) || ((var_1_9 == 0) && ((((2 % var_1_15) * (var_1_8 / var_1_14)) < var_1_12) || (((var_1_17 < var_1_16) || (((((var_1_15 * 65535) + var_1_8) + var_1_17) % 65536) == var_1_13)) && ((((((var_1_15 * 65535) + var_1_8) + var_1_16) % 65536) == var_1_13) || (var_1_16 < (var_1_17 + 1)))))))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:38:21,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08666a98-83a6-4ee9-9aea-a3c56ab19cc1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE