./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1 --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 6ae4314f4ba811ecc81374bb4df27f78b66c4c1beea0be05c76985457c985743
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:49:53,704 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:49:53,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 15:49:53,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:49:53,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:49:53,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:49:53,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:49:53,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:49:53,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:49:53,786 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:49:53,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:49:53,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:49:53,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:49:53,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:49:53,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:49:53,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:49:53,788 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:49:53,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:53,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:53,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:49:53,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:49:53,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:49:53,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:49:53,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:49:53,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:49:53,790 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_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1
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 -> 6ae4314f4ba811ecc81374bb4df27f78b66c4c1beea0be05c76985457c985743
[2024-12-02 15:49:53,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:49:53,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:49:53,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:49:53,999 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:49:53,999 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:49:54,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:49:56,588 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/f93574f7a/8c8eeaa08a92459a88b99af7e6b5ca0b/FLAG45a166867
[2024-12-02 15:49:56,807 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:49:56,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:49:56,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/f93574f7a/8c8eeaa08a92459a88b99af7e6b5ca0b/FLAG45a166867
[2024-12-02 15:49:57,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/f93574f7a/8c8eeaa08a92459a88b99af7e6b5ca0b
[2024-12-02 15:49:57,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:49:57,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:49:57,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:57,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:49:57,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:49:57,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c62671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57, skipping insertion in model container
[2024-12-02 15:49:57,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,193 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:49:57,321 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_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i[915,928]
[2024-12-02 15:49:57,368 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:57,377 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:49:57,387 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_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i[915,928]
[2024-12-02 15:49:57,409 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:57,423 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:49:57,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57 WrapperNode
[2024-12-02 15:49:57,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:57,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:49:57,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:49:57,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:49:57,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,465 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132
[2024-12-02 15:49:57,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:49:57,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:49:57,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:49:57,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:49:57,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,491 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].
[2024-12-02 15:49:57,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,498 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:49:57,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:49:57,509 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:49:57,509 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:49:57,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (1/1) ...
[2024-12-02 15:49:57,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:57,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:57,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:49:57,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:49:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:49:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 15:49:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 15:49:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:49:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:49:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:49:57,625 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:49:57,627 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:49:57,873 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-12-02 15:49:57,873 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:49:57,883 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:49:57,883 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 15:49:57,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:57 BoogieIcfgContainer
[2024-12-02 15:49:57,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:49:57,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:49:57,886 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:49:57,890 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:49:57,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:57" (1/3) ...
[2024-12-02 15:49:57,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40006144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:57, skipping insertion in model container
[2024-12-02 15:49:57,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:57" (2/3) ...
[2024-12-02 15:49:57,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40006144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:57, skipping insertion in model container
[2024-12-02 15:49:57,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:57" (3/3) ...
[2024-12-02 15:49:57,893 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:49:57,908 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:49:57,909 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-68.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 15:49:57,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:49:57,971 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;@66a6863d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:49:57,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:49:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 46 states have internal predecessors, (66), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 15:49:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 15:49:57,982 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:57,982 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:57,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:49:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1832351776, now seen corresponding path program 1 times
[2024-12-02 15:49:57,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:49:57,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522856972]
[2024-12-02 15:49:57,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:49:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-12-02 15:49:58,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:49:58,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522856972]
[2024-12-02 15:49:58,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522856972] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:49:58,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045551644]
[2024-12-02 15:49:58,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:58,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:58,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:58,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:49:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:58,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:58,328 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-12-02 15:49:58,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:58,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045551644] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:58,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:49:58,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 15:49:58,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379969273]
[2024-12-02 15:49:58,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:58,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:49:58,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:49:58,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:49:58,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:49:58,372 INFO L87 Difference]: Start difference. First operand has 58 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 46 states have internal predecessors, (66), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2024-12-02 15:49:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:58,390 INFO L93 Difference]: Finished difference Result 107 states and 174 transitions.
[2024-12-02 15:49:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:49:58,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78
[2024-12-02 15:49:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:58,397 INFO L225 Difference]: With dead ends: 107
[2024-12-02 15:49:58,397 INFO L226 Difference]: Without dead ends: 52
[2024-12-02 15:49:58,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:49:58,402 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
[2024-12-02 15:49:58,402 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]
[2024-12-02 15:49:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-12-02 15:49:58,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-12-02 15:49:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 15:49:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions.
[2024-12-02 15:49:58,433 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 78
[2024-12-02 15:49:58,433 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:58,433 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions.
[2024-12-02 15:49:58,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2024-12-02 15:49:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions.
[2024-12-02 15:49:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 15:49:58,436 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:58,436 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:58,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:49:58,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 15:49:58,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:49:58,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:58,638 INFO L85 PathProgramCache]: Analyzing trace with hash 511329252, now seen corresponding path program 1 times
[2024-12-02 15:49:58,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:49:58,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819909380]
[2024-12-02 15:49:58,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:58,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:49:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 15:49:58,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:49:58,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819909380]
[2024-12-02 15:49:58,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819909380] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:58,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:58,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:49:58,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484613335]
[2024-12-02 15:49:58,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:58,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:49:58,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:49:58,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:49:58,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:58,898 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:49:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:58,990 INFO L93 Difference]: Finished difference Result 101 states and 147 transitions.
[2024-12-02 15:49:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:49:58,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78
[2024-12-02 15:49:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:58,992 INFO L225 Difference]: With dead ends: 101
[2024-12-02 15:49:58,992 INFO L226 Difference]: Without dead ends: 52
[2024-12-02 15:49:58,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:58,994 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 67 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:58,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 104 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-12-02 15:49:59,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-12-02 15:49:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 15:49:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions.
[2024-12-02 15:49:59,001 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 78
[2024-12-02 15:49:59,002 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:59,002 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions.
[2024-12-02 15:49:59,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:49:59,003 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions.
[2024-12-02 15:49:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-12-02 15:49:59,004 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:59,004 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:59,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:49:59,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:49:59,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:59,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1464515765, now seen corresponding path program 1 times
[2024-12-02 15:49:59,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:49:59,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391867983]
[2024-12-02 15:49:59,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:59,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:49:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 15:49:59,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:49:59,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391867983]
[2024-12-02 15:49:59,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391867983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:59,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:59,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:49:59,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573793720]
[2024-12-02 15:49:59,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:59,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:49:59,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:49:59,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:49:59,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:49:59,636 INFO L87 Difference]: Start difference. First operand 52 states and 74 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:00,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:00,147 INFO L93 Difference]: Finished difference Result 223 states and 319 transitions.
[2024-12-02 15:50:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 15:50:00,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79
[2024-12-02 15:50:00,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:00,149 INFO L225 Difference]: With dead ends: 223
[2024-12-02 15:50:00,149 INFO L226 Difference]: Without dead ends: 174
[2024-12-02 15:50:00,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-12-02 15:50:00,151 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 195 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:00,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 413 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:50:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-12-02 15:50:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 93.
[2024-12-02 15:50:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-12-02 15:50:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions.
[2024-12-02 15:50:00,172 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 79
[2024-12-02 15:50:00,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:00,172 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions.
[2024-12-02 15:50:00,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions.
[2024-12-02 15:50:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-12-02 15:50:00,174 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:00,174 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:00,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:50:00,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:00,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:00,175 INFO L85 PathProgramCache]: Analyzing trace with hash -584333699, now seen corresponding path program 1 times
[2024-12-02 15:50:00,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:50:00,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469458945]
[2024-12-02 15:50:00,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:50:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 15:50:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:50:00,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469458945]
[2024-12-02 15:50:00,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469458945] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:00,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:00,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:50:00,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101241809]
[2024-12-02 15:50:00,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:00,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:50:00,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:50:00,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:50:00,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:50:00,647 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:01,072 INFO L93 Difference]: Finished difference Result 219 states and 306 transitions.
[2024-12-02 15:50:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 15:50:01,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80
[2024-12-02 15:50:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:01,074 INFO L225 Difference]: With dead ends: 219
[2024-12-02 15:50:01,074 INFO L226 Difference]: Without dead ends: 170
[2024-12-02 15:50:01,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:50:01,076 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 203 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:01,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 352 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 15:50:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2024-12-02 15:50:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 98.
[2024-12-02 15:50:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-12-02 15:50:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions.
[2024-12-02 15:50:01,099 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 80
[2024-12-02 15:50:01,099 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:01,099 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions.
[2024-12-02 15:50:01,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions.
[2024-12-02 15:50:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-12-02 15:50:01,101 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:01,101 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:01,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:50:01,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:01,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2122285695, now seen corresponding path program 1 times
[2024-12-02 15:50:01,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:50:01,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703328178]
[2024-12-02 15:50:01,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:01,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:50:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 15:50:01,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362750391]
[2024-12-02 15:50:01,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:01,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:01,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:50:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:50:01,264 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:50:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:50:01,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:50:01,353 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:50:01,354 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 15:50:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:50:01,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:01,558 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 15:50:01,608 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:50:01,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:50:01 BoogieIcfgContainer
[2024-12-02 15:50:01,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:50:01,612 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:50:01,612 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:50:01,612 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:50:01,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:57" (3/4) ...
[2024-12-02 15:50:01,615 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 15:50:01,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:50:01,616 INFO L158 Benchmark]: Toolchain (without parser) took 4442.44ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 117.8MB in the beginning and 163.0MB in the end (delta: -45.3MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB.
[2024-12-02 15:50:01,616 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:50:01,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.33ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 104.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:50:01,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:50:01,617 INFO L158 Benchmark]: Boogie Preprocessor took 42.60ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:50:01,618 INFO L158 Benchmark]: RCFGBuilder took 375.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 76.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 15:50:01,618 INFO L158 Benchmark]: TraceAbstraction took 3725.15ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 75.6MB in the beginning and 163.0MB in the end (delta: -87.5MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB.
[2024-12-02 15:50:01,618 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 327.2MB. Free memory was 163.0MB in the beginning and 163.0MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:50:01,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 249.33ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 104.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.78ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.60ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 375.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 76.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 3725.15ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 75.6MB in the beginning and 163.0MB in the end (delta: -87.5MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB.
* Witness Printer took 3.86ms. Allocated memory is still 327.2MB. Free memory was 163.0MB in the beginning and 163.0MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 102.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 1;
[L23] unsigned char var_1_5 = 0;
[L24] unsigned char var_1_6 = 0;
[L25] unsigned char var_1_7 = 1;
[L26] unsigned char var_1_8 = 32;
[L27] double var_1_9 = 4.6;
[L28] double var_1_10 = 9.25;
[L29] double var_1_11 = 1.25;
[L30] unsigned char var_1_12 = 100;
[L31] unsigned char var_1_13 = 64;
[L32] unsigned char var_1_14 = 0;
[L33] float var_1_15 = 7.5;
[L34] signed long int var_1_16 = 0;
[L35] double last_1_var_1_9 = 4.6;
[L36] unsigned char last_1_var_1_12 = 100;
[L37] unsigned char last_1_var_1_14 = 0;
[L38] signed long int last_1_var_1_16 = 0;
VAL [isInitial=0, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L118] isInitial = 1
[L119] FCALL initially()
[L121] CALL updateLastVariables()
[L108] last_1_var_1_9 = var_1_9
[L109] last_1_var_1_12 = var_1_12
[L110] last_1_var_1_14 = var_1_14
[L111] last_1_var_1_16 = var_1_16
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L121] RET updateLastVariables()
[L122] CALL updateVariables()
[L91] var_1_5 = __VERIFIER_nondet_uchar()
[L92] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L92] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L93] CALL assume_abort_if_not(var_1_5 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L93] RET assume_abort_if_not(var_1_5 <= 0)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L94] var_1_7 = __VERIFIER_nondet_uchar()
[L95] CALL assume_abort_if_not(var_1_7 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L95] RET assume_abort_if_not(var_1_7 >= 1)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L96] CALL assume_abort_if_not(var_1_7 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L96] RET assume_abort_if_not(var_1_7 <= 1)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L97] var_1_8 = __VERIFIER_nondet_uchar()
[L98] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L98] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L99] CALL assume_abort_if_not(var_1_8 <= 255)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L99] RET assume_abort_if_not(var_1_8 <= 255)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L100] CALL assume_abort_if_not(var_1_8 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L100] RET assume_abort_if_not(var_1_8 != 0)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L101] var_1_10 = __VERIFIER_nondet_double()
[L102] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L102] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L103] var_1_13 = __VERIFIER_nondet_uchar()
[L104] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L104] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L105] CALL assume_abort_if_not(var_1_13 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L105] RET assume_abort_if_not(var_1_13 <= 254)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L122] RET updateVariables()
[L123] CALL step()
[L42] signed long int stepLocal_4 = last_1_var_1_16;
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L43] COND FALSE !(\read(last_1_var_1_14))
[L54] var_1_12 = var_1_13
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L56] var_1_16 = last_1_var_1_12
[L57] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u);
[L58] signed long int stepLocal_5 = var_1_13 + 16;
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L59] COND TRUE stepLocal_6 <= var_1_16
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L60] COND FALSE !(stepLocal_5 >= var_1_16)
[L63] var_1_14 = var_1_7
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L66] unsigned char stepLocal_0 = var_1_12;
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L67] EXPR var_1_12 ^ var_1_12
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L67] COND TRUE stepLocal_0 <= (var_1_12 ^ var_1_12)
[L68] var_1_1 = (! var_1_5)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L72] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8);
[L73] signed long int stepLocal_1 = var_1_16;
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_1=100, stepLocal_2=0, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L74] COND FALSE !(-256 >= stepLocal_1)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_2=0, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L77] COND FALSE !(stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1))
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L81] unsigned char stepLocal_3 = ! var_1_5;
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_3=1, stepLocal_4=0, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L82] COND TRUE (var_1_7 && var_1_14) || stepLocal_3
[L83] var_1_11 = var_1_10
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L85] var_1_15 = var_1_10
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=23/5]
[L86] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)
[L87] var_1_9 = var_1_10
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=2]
[L123] RET step()
[L124] CALL, EXPR property()
[L114] EXPR var_1_12 ^ var_1_12
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=2]
[L114-L115] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12))
;
[L124] RET, EXPR property()
[L124] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=2]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=102, var_1_9=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 465 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 465 mSDsluCounter, 944 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 615 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 512 IncrementalHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 329 mSDtfsCounter, 512 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 153 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 882/900 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
[2024-12-02 15:50:01,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1 --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 6ae4314f4ba811ecc81374bb4df27f78b66c4c1beea0be05c76985457c985743
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:50:03,598 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:50:03,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 15:50:03,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:50:03,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:50:03,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:50:03,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:50:03,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:50:03,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:50:03,708 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:50:03,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:50:03,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:50:03,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:50:03,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:50:03,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:50:03,710 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:50:03,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:50:03,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:50:03,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:50:03,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:50:03,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:50:03,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:50:03,712 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1
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 -> 6ae4314f4ba811ecc81374bb4df27f78b66c4c1beea0be05c76985457c985743
[2024-12-02 15:50:03,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:50:03,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:50:03,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:50:03,965 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:50:03,965 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:50:03,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:50:06,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/d032aed18/a5fa01ae2ad54e22aa92ad1850873048/FLAG26a9f3e05
[2024-12-02 15:50:06,825 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:50:06,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:50:06,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/d032aed18/a5fa01ae2ad54e22aa92ad1850873048/FLAG26a9f3e05
[2024-12-02 15:50:07,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/data/d032aed18/a5fa01ae2ad54e22aa92ad1850873048
[2024-12-02 15:50:07,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:50:07,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:50:07,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:50:07,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:50:07,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:50:07,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07, skipping insertion in model container
[2024-12-02 15:50:07,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,216 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:50:07,340 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_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i[915,928]
[2024-12-02 15:50:07,384 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:50:07,393 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:50:07,401 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_0582d23b-17c8-4ffc-a252-fb6d51857818/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-68.i[915,928]
[2024-12-02 15:50:07,424 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:50:07,437 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:50:07,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07 WrapperNode
[2024-12-02 15:50:07,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:50:07,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:50:07,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:50:07,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:50:07,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,471 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110
[2024-12-02 15:50:07,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:50:07,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:50:07,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:50:07,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:50:07,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,493 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].
[2024-12-02 15:50:07,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:50:07,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:50:07,512 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:50:07,512 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:50:07,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (1/1) ...
[2024-12-02 15:50:07,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:50:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:07,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:50:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 15:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 15:50:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 15:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:50:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:50:07,621 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:50:07,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:50:08,076 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-12-02 15:50:08,076 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:50:08,083 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:50:08,083 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 15:50:08,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:08 BoogieIcfgContainer
[2024-12-02 15:50:08,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:50:08,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:50:08,085 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:50:08,090 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:50:08,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:50:07" (1/3) ...
[2024-12-02 15:50:08,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2664138b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:08, skipping insertion in model container
[2024-12-02 15:50:08,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:07" (2/3) ...
[2024-12-02 15:50:08,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2664138b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:08, skipping insertion in model container
[2024-12-02 15:50:08,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:08" (3/3) ...
[2024-12-02 15:50:08,092 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-68.i
[2024-12-02 15:50:08,106 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:50:08,107 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-68.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 15:50:08,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:50:08,155 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;@5f9504c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:50:08,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:50:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 15:50:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-12-02 15:50:08,167 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:08,167 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:08,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:08,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 518846006, now seen corresponding path program 1 times
[2024-12-02 15:50:08,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:08,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401821867]
[2024-12-02 15:50:08,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:08,183 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
[2024-12-02 15:50:08,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:50:08,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 15:50:08,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:08,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:08,370 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-12-02 15:50:08,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:50:08,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:08,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401821867]
[2024-12-02 15:50:08,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401821867] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:08,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:08,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:50:08,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66782403]
[2024-12-02 15:50:08,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:08,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:50:08,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:08,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:50:08,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:50:08,417 INFO L87 Difference]: Start difference. First operand has 49 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:08,437 INFO L93 Difference]: Finished difference Result 91 states and 146 transitions.
[2024-12-02 15:50:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:50:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75
[2024-12-02 15:50:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:08,444 INFO L225 Difference]: With dead ends: 91
[2024-12-02 15:50:08,445 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 15:50:08,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:50:08,448 INFO L435 NwaCegarLoop]: 64 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, 64 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
[2024-12-02 15:50:08,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:50:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 15:50:08,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-12-02 15:50:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 15:50:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions.
[2024-12-02 15:50:08,480 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 75
[2024-12-02 15:50:08,480 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:08,480 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions.
[2024-12-02 15:50:08,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions.
[2024-12-02 15:50:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-12-02 15:50:08,483 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:08,483 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:08,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:08,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:08,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:08,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:08,685 INFO L85 PathProgramCache]: Analyzing trace with hash -283092814, now seen corresponding path program 1 times
[2024-12-02 15:50:08,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157460306]
[2024-12-02 15:50:08,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:08,686 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
[2024-12-02 15:50:08,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:50:08,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 15:50:08,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:08,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:08,862 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 15:50:09,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:50:09,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:09,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157460306]
[2024-12-02 15:50:09,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157460306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:09,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:50:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457836253]
[2024-12-02 15:50:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:09,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 15:50:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:09,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 15:50:09,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:50:09,239 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:10,305 INFO L93 Difference]: Finished difference Result 188 states and 269 transitions.
[2024-12-02 15:50:10,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 15:50:10,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75
[2024-12-02 15:50:10,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:10,313 INFO L225 Difference]: With dead ends: 188
[2024-12-02 15:50:10,313 INFO L226 Difference]: Without dead ends: 146
[2024-12-02 15:50:10,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-12-02 15:50:10,315 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 136 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:10,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 298 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 15:50:10,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2024-12-02 15:50:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 73.
[2024-12-02 15:50:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-12-02 15:50:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions.
[2024-12-02 15:50:10,334 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 75
[2024-12-02 15:50:10,334 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:10,334 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions.
[2024-12-02 15:50:10,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions.
[2024-12-02 15:50:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-12-02 15:50:10,336 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:10,336 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:10,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:10,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:10,537 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:10,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:10,537 INFO L85 PathProgramCache]: Analyzing trace with hash 417971764, now seen corresponding path program 1 times
[2024-12-02 15:50:10,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:10,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679113952]
[2024-12-02 15:50:10,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:10,538 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
[2024-12-02 15:50:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:50:10,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 15:50:10,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:10,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:10,676 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-12-02 15:50:10,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:50:10,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679113952]
[2024-12-02 15:50:10,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679113952] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:10,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:10,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:50:10,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787596289]
[2024-12-02 15:50:10,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:10,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:50:10,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:10,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:50:10,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:50:10,740 INFO L87 Difference]: Start difference. First operand 73 states and 105 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:10,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:10,960 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions.
[2024-12-02 15:50:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:50:10,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75
[2024-12-02 15:50:10,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:10,966 INFO L225 Difference]: With dead ends: 115
[2024-12-02 15:50:10,967 INFO L226 Difference]: Without dead ends: 73
[2024-12-02 15:50:10,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:50:10,968 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 58 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:10,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 105 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:50:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-12-02 15:50:10,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2024-12-02 15:50:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-12-02 15:50:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 104 transitions.
[2024-12-02 15:50:10,983 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 104 transitions. Word has length 75
[2024-12-02 15:50:10,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:10,983 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 104 transitions.
[2024-12-02 15:50:10,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 15:50:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions.
[2024-12-02 15:50:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2024-12-02 15:50:10,985 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:10,985 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:10,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-12-02 15:50:11,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:11,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:50:11,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:11,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1279017682, now seen corresponding path program 1 times
[2024-12-02 15:50:11,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:11,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593479052]
[2024-12-02 15:50:11,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:11,186 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
[2024-12-02 15:50:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:50:11,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 15:50:11,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0582d23b-17c8-4ffc-a252-fb6d51857818/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 15:50:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:11,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:11,317 INFO L279 TraceCheckSpWp]: Computing forward predicates...