./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.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_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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_5bf9a230-5bf8-443e-b316-ae452081290b/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 c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:22:03,863 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:22:03,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 15:22:03,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:22:03,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:22:03,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:22:03,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:22:03,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:22:03,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:22:03,969 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:22:03,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:22:03,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:22:03,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:22:03,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:22:03,969 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:22:03,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:22:03,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:22:03,971 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:22:03,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:03,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:03,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:22:03,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:22:03,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:22:03,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:22:03,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:22:03,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:22:03,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:22:03,973 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_5bf9a230-5bf8-443e-b316-ae452081290b/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 -> c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424
[2024-12-02 15:22:04,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:22:04,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:22:04,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:22:04,270 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:22:04,270 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:22:04,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:07,578 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/423688097/f13236d439c048a388db5b39043ec91f/FLAGf7d1054a9
[2024-12-02 15:22:07,817 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:22:07,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:07,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/423688097/f13236d439c048a388db5b39043ec91f/FLAGf7d1054a9
[2024-12-02 15:22:08,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/423688097/f13236d439c048a388db5b39043ec91f
[2024-12-02 15:22:08,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:22:08,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:22:08,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:22:08,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:22:08,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:22:08,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761084a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08, skipping insertion in model container
[2024-12-02 15:22:08,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,171 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:22:08,303 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_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926]
[2024-12-02 15:22:08,362 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:22:08,372 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:22:08,383 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_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926]
[2024-12-02 15:22:08,409 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:22:08,427 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:22:08,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08 WrapperNode
[2024-12-02 15:22:08,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:22:08,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:22:08,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:22:08,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:22:08,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,476 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123
[2024-12-02 15:22:08,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:22:08,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:22:08,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:22:08,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:22:08,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,511 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 15:22:08,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:22:08,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:22:08,533 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:22:08,533 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:22:08,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (1/1) ...
[2024-12-02 15:22:08,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:08,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:22:08,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:22:08,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 15:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:22:08,692 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:22:08,695 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:22:08,989 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 15:22:08,989 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:22:08,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:22:09,000 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 15:22:09,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:09 BoogieIcfgContainer
[2024-12-02 15:22:09,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:22:09,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:22:09,003 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:22:09,008 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:22:09,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:22:08" (1/3) ...
[2024-12-02 15:22:09,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be2dfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:09, skipping insertion in model container
[2024-12-02 15:22:09,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:08" (2/3) ...
[2024-12-02 15:22:09,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be2dfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:09, skipping insertion in model container
[2024-12-02 15:22:09,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:09" (3/3) ...
[2024-12-02 15:22:09,011 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:09,025 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:22:09,027 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 15:22:09,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:22:09,096 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;@352a03f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:22:09,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:22:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 15:22:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-12-02 15:22:09,108 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:09,109 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:09,110 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:09,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:09,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times
[2024-12-02 15:22:09,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:22:09,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646544078]
[2024-12-02 15:22:09,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:22:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-12-02 15:22:09,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:22:09,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646544078]
[2024-12-02 15:22:09,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646544078] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:22:09,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22546146]
[2024-12-02 15:22:09,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:09,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:22:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:22:09,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:22:09,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:22:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:09,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:09,590 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:22:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-12-02 15:22:09,615 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:22:09,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22546146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:22:09,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:22:09,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 15:22:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612071520]
[2024-12-02 15:22:09,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:22:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:22:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:22:09,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:22:09,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:22:09,650 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 15:22:09,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:09,676 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions.
[2024-12-02 15:22:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:22:09,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101
[2024-12-02 15:22:09,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:09,685 INFO L225 Difference]: With dead ends: 101
[2024-12-02 15:22:09,685 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 15:22:09,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 15:22:09,692 INFO L435 NwaCegarLoop]: 73 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, 73 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 15:22:09,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:22:09,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 15:22:09,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 15:22:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 15:22:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-12-02 15:22:09,729 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101
[2024-12-02 15:22:09,729 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:09,729 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-12-02 15:22:09,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 15:22:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-12-02 15:22:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-12-02 15:22:09,733 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:09,733 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:09,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:22:09,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 15:22:09,934 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:09,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:09,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times
[2024-12-02 15:22:09,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:22:09,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951677577]
[2024-12-02 15:22:09,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:09,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:22:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-12-02 15:22:10,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:22:10,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951677577]
[2024-12-02 15:22:10,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951677577] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:22:10,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:22:10,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:22:10,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097409400]
[2024-12-02 15:22:10,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:22:10,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:22:10,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:22:10,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:22:10,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:22:10,911 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:11,319 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions.
[2024-12-02 15:22:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:22:11,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101
[2024-12-02 15:22:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:11,324 INFO L225 Difference]: With dead ends: 145
[2024-12-02 15:22:11,324 INFO L226 Difference]: Without dead ends: 98
[2024-12-02 15:22:11,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:22:11,325 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 56 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 15:22:11,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 219 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 15:22:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-12-02 15:22:11,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 80.
[2024-12-02 15:22:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 47 states have internal predecessors, (57), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-12-02 15:22:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions.
[2024-12-02 15:22:11,358 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 101
[2024-12-02 15:22:11,358 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:11,358 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions.
[2024-12-02 15:22:11,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions.
[2024-12-02 15:22:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 15:22:11,361 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:11,361 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:11,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:22:11,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:11,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:11,362 INFO L85 PathProgramCache]: Analyzing trace with hash 473802101, now seen corresponding path program 1 times
[2024-12-02 15:22:11,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:22:11,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199507437]
[2024-12-02 15:22:11,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:11,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:22:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-12-02 15:22:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:22:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199507437]
[2024-12-02 15:22:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199507437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:22:12,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:22:12,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:22:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231360519]
[2024-12-02 15:22:12,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:22:12,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:22:12,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:22:12,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:22:12,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:22:12,060 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:12,411 INFO L93 Difference]: Finished difference Result 159 states and 232 transitions.
[2024-12-02 15:22:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:22:12,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 102
[2024-12-02 15:22:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:12,414 INFO L225 Difference]: With dead ends: 159
[2024-12-02 15:22:12,415 INFO L226 Difference]: Without dead ends: 112
[2024-12-02 15:22:12,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:22:12,416 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 86 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:22:12,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 223 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:22:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2024-12-02 15:22:12,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88.
[2024-12-02 15:22:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-12-02 15:22:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions.
[2024-12-02 15:22:12,449 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 102
[2024-12-02 15:22:12,449 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:12,450 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions.
[2024-12-02 15:22:12,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions.
[2024-12-02 15:22:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 15:22:12,452 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:12,452 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:12,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:22:12,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:12,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2046157833, now seen corresponding path program 1 times
[2024-12-02 15:22:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:22:12,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617106751]
[2024-12-02 15:22:12,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:12,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:22:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-12-02 15:22:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:22:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617106751]
[2024-12-02 15:22:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617106751] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:22:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391112162]
[2024-12-02 15:22:13,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:22:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:22:13,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:22:13,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:22:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:13,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:13,483 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:22:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked.
[2024-12-02 15:22:13,663 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:22:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-12-02 15:22:13,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391112162] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:22:13,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:22:13,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16
[2024-12-02 15:22:13,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529444287]
[2024-12-02 15:22:13,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:22:13,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-02 15:22:13,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:22:13,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-02 15:22:13,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240
[2024-12-02 15:22:13,965 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-12-02 15:22:15,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:15,604 INFO L93 Difference]: Finished difference Result 242 states and 337 transitions.
[2024-12-02 15:22:15,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2024-12-02 15:22:15,604 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 102
[2024-12-02 15:22:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:15,607 INFO L225 Difference]: With dead ends: 242
[2024-12-02 15:22:15,607 INFO L226 Difference]: Without dead ends: 193
[2024-12-02 15:22:15,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 199 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640
[2024-12-02 15:22:15,610 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 534 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 15:22:15,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 459 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 15:22:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states.
[2024-12-02 15:22:15,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 98.
[2024-12-02 15:22:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 63 states have internal predecessors, (76), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-12-02 15:22:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions.
[2024-12-02 15:22:15,656 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 102
[2024-12-02 15:22:15,657 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:15,657 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions.
[2024-12-02 15:22:15,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-12-02 15:22:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions.
[2024-12-02 15:22:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 15:22:15,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:15,659 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:15,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:22:15,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:22:15,860 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:15,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:15,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times
[2024-12-02 15:22:15,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:22:15,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448708519]
[2024-12-02 15:22:15,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:15,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:22:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 15:22:15,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312054637]
[2024-12-02 15:22:15,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:15,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:22:15,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:22:15,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:22:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 15:22:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:22:16,359 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:22:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:22:16,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:22:16,488 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:22:16,489 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 15:22:16,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 15:22:16,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:22:16,694 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 15:22:16,773 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:22:16,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:22:16 BoogieIcfgContainer
[2024-12-02 15:22:16,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:22:16,777 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:22:16,777 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:22:16,778 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:22:16,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:09" (3/4) ...
[2024-12-02 15:22:16,780 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 15:22:16,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:22:16,782 INFO L158 Benchmark]: Toolchain (without parser) took 8643.63ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.5MB in the beginning and 107.1MB in the end (delta: -14.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB.
[2024-12-02 15:22:16,782 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:22:16,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:22:16,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:22:16,783 INFO L158 Benchmark]: Boogie Preprocessor took 54.97ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 72.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:22:16,783 INFO L158 Benchmark]: RCFGBuilder took 467.29ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 53.8MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 15:22:16,784 INFO L158 Benchmark]: TraceAbstraction took 7774.30ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 107.1MB in the end (delta: -53.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB.
[2024-12-02 15:22:16,784 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 107.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:22:16,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 287.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.28ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.97ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 72.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 467.29ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 53.8MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 7774.30ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 107.1MB in the end (delta: -53.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB.
* Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 107.1MB in the end (delta: 27.1kB). 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 118, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 118.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned long int var_1_1 = 1000;
[L23] unsigned char var_1_5 = 1;
[L24] unsigned char var_1_6 = 0;
[L25] float var_1_7 = 0.6;
[L26] unsigned long int var_1_8 = 32;
[L27] unsigned long int var_1_9 = 32;
[L28] float var_1_11 = 5.5;
[L29] unsigned long int var_1_12 = 128;
[L30] unsigned char var_1_13 = 16;
[L31] unsigned char var_1_14 = 0;
[L32] unsigned long int var_1_15 = 8;
[L33] unsigned char var_1_16 = 0;
[L34] unsigned char var_1_17 = 0;
[L35] double var_1_18 = 1.8;
[L36] double var_1_19 = 4.5;
[L37] double var_1_20 = 15.5;
[L38] unsigned long int last_1_var_1_1 = 1000;
[L39] unsigned char last_1_var_1_5 = 1;
[L40] unsigned long int last_1_var_1_12 = 128;
[L41] unsigned char last_1_var_1_13 = 16;
[L42] unsigned long int last_1_var_1_15 = 8;
VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L122] isInitial = 1
[L123] FCALL initially()
[L125] CALL updateLastVariables()
[L111] last_1_var_1_1 = var_1_1
[L112] last_1_var_1_5 = var_1_5
[L113] last_1_var_1_12 = var_1_12
[L114] last_1_var_1_13 = var_1_13
[L115] last_1_var_1_15 = var_1_15
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L125] RET updateLastVariables()
[L126] CALL updateVariables()
[L86] var_1_6 = __VERIFIER_nondet_uchar()
[L87] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L87] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L88] CALL assume_abort_if_not(var_1_6 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L88] RET assume_abort_if_not(var_1_6 <= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L89] var_1_8 = __VERIFIER_nondet_ulong()
[L90] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L90] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L91] CALL assume_abort_if_not(var_1_8 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L91] RET assume_abort_if_not(var_1_8 <= 4294967295)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32]
[L92] CALL assume_abort_if_not(var_1_8 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L92] RET assume_abort_if_not(var_1_8 != 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32]
[L93] var_1_9 = __VERIFIER_nondet_ulong()
[L94] CALL assume_abort_if_not(var_1_9 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L94] RET assume_abort_if_not(var_1_9 >= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L95] CALL assume_abort_if_not(var_1_9 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L95] RET assume_abort_if_not(var_1_9 <= 4294967295)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32]
[L96] CALL assume_abort_if_not(var_1_9 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L96] RET assume_abort_if_not(var_1_9 != 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L97] var_1_11 = __VERIFIER_nondet_float()
[L98] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L98] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L99] var_1_14 = __VERIFIER_nondet_uchar()
[L100] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L100] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L101] CALL assume_abort_if_not(var_1_14 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L101] RET assume_abort_if_not(var_1_14 <= 254)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L102] var_1_17 = __VERIFIER_nondet_uchar()
[L103] CALL assume_abort_if_not(var_1_17 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L103] RET assume_abort_if_not(var_1_17 >= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L104] CALL assume_abort_if_not(var_1_17 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L104] RET assume_abort_if_not(var_1_17 <= 0)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L105] var_1_19 = __VERIFIER_nondet_double()
[L106] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L106] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L107] var_1_20 = __VERIFIER_nondet_double()
[L108] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L108] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L126] RET updateVariables()
[L127] CALL step()
[L46] signed long int stepLocal_1 = last_1_var_1_13;
[L47] signed long int stepLocal_0 = last_1_var_1_13;
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L48] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L49] COND TRUE \read(last_1_var_1_5)
[L50] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12)))
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L59] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1;
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_2=1008, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L60] COND TRUE last_1_var_1_13 <= stepLocal_2
[L61] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L65] unsigned char stepLocal_3 = var_1_5;
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_3=0, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L66] COND FALSE !(stepLocal_3 || var_1_17)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L69] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))
[L70] var_1_16 = (var_1_6 && var_1_17)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L71] COND FALSE !(\read(var_1_5))
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=1]
[L74] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9))
[L79] var_1_7 = var_1_11
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=1]
[L81] COND TRUE var_1_7 <= (- (32.8f + var_1_7))
[L82] var_1_12 = last_1_var_1_12
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=1]
[L127] RET step()
[L128] CALL, EXPR property()
[L118-L119] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1)
;
VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=1]
[L128] RET, EXPR property()
[L128] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=1]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 689 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 676 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 716 mSDsCounter, 351 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 600 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 351 mSolverCounterUnsat, 258 mSDtfsCounter, 600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 46, 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, 137 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 704 ConstructedInterpolants, 0 QuantifiedInterpolants, 2988 SizeOfPredicates, 3 NumberOfNonLiveVariables, 522 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2894/2940 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 15:22:16,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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_5bf9a230-5bf8-443e-b316-ae452081290b/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 c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:22:19,151 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:22:19,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 15:22:19,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:22:19,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:22:19,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:22:19,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:22:19,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:22:19,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:22:19,294 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:22:19,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:22:19,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:22:19,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:22:19,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:22:19,295 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:22:19,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:22:19,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:22:19,295 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:22:19,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:22:19,297 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:22:19,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:19,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:19,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:22:19,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:22:19,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:22:19,299 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_5bf9a230-5bf8-443e-b316-ae452081290b/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 -> c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424
[2024-12-02 15:22:19,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:22:19,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:22:19,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:22:19,629 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:22:19,629 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:22:19,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:23,020 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/604a6a3a2/b1640ee9e0564f499afd0381f0664b0b/FLAGd91d3f2fa
[2024-12-02 15:22:23,268 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:22:23,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:23,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/604a6a3a2/b1640ee9e0564f499afd0381f0664b0b/FLAGd91d3f2fa
[2024-12-02 15:22:23,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/data/604a6a3a2/b1640ee9e0564f499afd0381f0664b0b
[2024-12-02 15:22:23,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:22:23,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:22:23,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:22:23,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:22:23,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:22:23,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23, skipping insertion in model container
[2024-12-02 15:22:23,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,328 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:22:23,470 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_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926]
[2024-12-02 15:22:23,532 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:22:23,548 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:22:23,559 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_5bf9a230-5bf8-443e-b316-ae452081290b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926]
[2024-12-02 15:22:23,594 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:22:23,612 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:22:23,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23 WrapperNode
[2024-12-02 15:22:23,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:22:23,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:22:23,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:22:23,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:22:23,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,659 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123
[2024-12-02 15:22:23,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:22:23,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:22:23,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:22:23,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:22:23,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,689 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 15:22:23,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,701 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:22:23,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:22:23,716 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:22:23,717 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:22:23,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (1/1) ...
[2024-12-02 15:22:23,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:22:23,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:22:23,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:22:23,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 15:22:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 15:22:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 15:22:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:22:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:22:23,862 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:22:23,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:22:28,153 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-12-02 15:22:28,153 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:22:28,165 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:22:28,166 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 15:22:28,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:28 BoogieIcfgContainer
[2024-12-02 15:22:28,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:22:28,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:22:28,169 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:22:28,175 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:22:28,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:22:23" (1/3) ...
[2024-12-02 15:22:28,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b0743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:28, skipping insertion in model container
[2024-12-02 15:22:28,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:23" (2/3) ...
[2024-12-02 15:22:28,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b0743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:28, skipping insertion in model container
[2024-12-02 15:22:28,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:28" (3/3) ...
[2024-12-02 15:22:28,179 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-85.i
[2024-12-02 15:22:28,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:22:28,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 15:22:28,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:22:28,260 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;@6b0408a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:22:28,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:22:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 15:22:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-12-02 15:22:28,275 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:28,276 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:28,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:28,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times
[2024-12-02 15:22:28,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:22:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801473149]
[2024-12-02 15:22:28,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:28,294 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 15:22:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:22:28,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:28,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:28,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:28,836 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:22:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-12-02 15:22:28,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:22:28,874 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:22:28,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801473149]
[2024-12-02 15:22:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801473149] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:22:28,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:22:28,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:22:28,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224016544]
[2024-12-02 15:22:28,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:22:28,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:22:28,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:22:28,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:22:28,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:22:28,903 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 15:22:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:28,927 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions.
[2024-12-02 15:22:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:22:28,929 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101
[2024-12-02 15:22:28,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:28,936 INFO L225 Difference]: With dead ends: 101
[2024-12-02 15:22:28,936 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 15:22:28,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 15:22:28,942 INFO L435 NwaCegarLoop]: 73 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, 73 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 15:22:28,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:22:28,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 15:22:28,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 15:22:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 15:22:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-12-02 15:22:28,980 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101
[2024-12-02 15:22:28,980 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:28,980 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-12-02 15:22:28,981 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-12-02 15:22:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-12-02 15:22:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-12-02 15:22:28,985 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:28,985 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:29,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:29,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:29,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:29,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:29,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times
[2024-12-02 15:22:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:22:29,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717286583]
[2024-12-02 15:22:29,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:29,188 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 15:22:29,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:22:29,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:29,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:29,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:29,643 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:22:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-12-02 15:22:30,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:22:30,407 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:22:30,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717286583]
[2024-12-02 15:22:30,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717286583] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:22:30,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:22:30,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:22:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945528479]
[2024-12-02 15:22:30,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:22:30,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:22:30,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:22:30,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:22:30,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:22:30,410 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:33,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:22:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:33,990 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions.
[2024-12-02 15:22:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:22:34,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101
[2024-12-02 15:22:34,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:34,010 INFO L225 Difference]: With dead ends: 97
[2024-12-02 15:22:34,011 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 15:22:34,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:22:34,012 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:22:34,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 100 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-12-02 15:22:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 15:22:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 15:22:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 15:22:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions.
[2024-12-02 15:22:34,022 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 101
[2024-12-02 15:22:34,024 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:34,024 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions.
[2024-12-02 15:22:34,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2024-12-02 15:22:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions.
[2024-12-02 15:22:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 15:22:34,026 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:34,026 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:34,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:34,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:34,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:34,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash 473802101, now seen corresponding path program 1 times
[2024-12-02 15:22:34,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:22:34,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903387342]
[2024-12-02 15:22:34,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:34,229 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 15:22:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:22:34,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:34,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:34,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:34,650 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:22:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked.
[2024-12-02 15:22:36,371 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:22:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-12-02 15:22:37,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:22:37,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903387342]
[2024-12-02 15:22:37,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903387342] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:22:37,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 15:22:37,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14
[2024-12-02 15:22:37,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077684453]
[2024-12-02 15:22:37,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:22:37,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 15:22:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:22:37,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 15:22:37,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-12-02 15:22:37,415 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30)
[2024-12-02 15:22:40,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:22:44,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:22:46,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:22:47,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:22:47,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:22:47,913 INFO L93 Difference]: Finished difference Result 207 states and 298 transitions.
[2024-12-02 15:22:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 15:22:47,914 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 102
[2024-12-02 15:22:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:22:47,916 INFO L225 Difference]: With dead ends: 207
[2024-12-02 15:22:47,916 INFO L226 Difference]: Without dead ends: 160
[2024-12-02 15:22:47,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600
[2024-12-02 15:22:47,918 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 362 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time
[2024-12-02 15:22:47,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 401 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time]
[2024-12-02 15:22:47,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-12-02 15:22:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124.
[2024-12-02 15:22:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41)
[2024-12-02 15:22:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions.
[2024-12-02 15:22:47,947 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 102
[2024-12-02 15:22:47,947 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:22:47,947 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions.
[2024-12-02 15:22:47,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30)
[2024-12-02 15:22:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions.
[2024-12-02 15:22:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-12-02 15:22:47,948 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:22:47,949 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:47,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:48,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:48,150 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:22:48,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:22:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times
[2024-12-02 15:22:48,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:22:48,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265696756]
[2024-12-02 15:22:48,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:22:48,151 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 15:22:48,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 15:22:48,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:48,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf9a230-5bf8-443e-b316-ae452081290b/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 15:22:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:22:48,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-02 15:22:48,560 INFO L279 TraceCheckSpWp]: Computing forward predicates...