./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:11:45,599 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:11:45,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:11:45,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:11:45,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:11:45,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:11:45,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:11:45,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:11:45,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:11:45,688 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:11:45,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:11:45,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:11:45,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:11:45,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:11:45,689 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:11:45,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:11:45,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:11:45,690 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:11:45,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:45,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:45,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:11:45,691 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:11:45,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:11:45,692 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 -> aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96
[2024-12-02 11:11:45,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:11:45,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:11:45,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:11:45,947 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:11:45,947 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:11:45,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:48,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/bd58a21a4/fcabcf3783bd48d2b1072ca9ca96e290/FLAGadb4991ad
[2024-12-02 11:11:48,801 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:11:48,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:48,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/bd58a21a4/fcabcf3783bd48d2b1072ca9ca96e290/FLAGadb4991ad
[2024-12-02 11:11:48,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/bd58a21a4/fcabcf3783bd48d2b1072ca9ca96e290
[2024-12-02 11:11:48,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:11:48,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:11:48,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:11:48,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:11:48,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:11:48,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:48" (1/1) ...
[2024-12-02 11:11:48,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68174e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:48, skipping insertion in model container
[2024-12-02 11:11:48,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:48" (1/1) ...
[2024-12-02 11:11:48,849 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:11:48,964 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926]
[2024-12-02 11:11:49,011 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:11:49,018 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:11:49,026 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926]
[2024-12-02 11:11:49,043 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:11:49,062 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:11:49,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49 WrapperNode
[2024-12-02 11:11:49,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:11:49,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:11:49,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:11:49,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:11:49,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,108 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118
[2024-12-02 11:11:49,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:11:49,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:11:49,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:11:49,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:11:49,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,140 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 11:11:49,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:11:49,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:11:49,163 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:11:49,163 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:11:49,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (1/1) ...
[2024-12-02 11:11:49,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:11:49,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:11:49,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:11:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:11:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 11:11:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 11:11:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:11:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:11:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:11:49,265 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:11:49,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:11:49,499 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-12-02 11:11:49,499 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:11:49,508 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:11:49,508 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:11:49,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:49 BoogieIcfgContainer
[2024-12-02 11:11:49,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:11:49,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:11:49,511 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:11:49,516 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:11:49,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:11:48" (1/3) ...
[2024-12-02 11:11:49,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4134c40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:11:49, skipping insertion in model container
[2024-12-02 11:11:49,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:49" (2/3) ...
[2024-12-02 11:11:49,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4134c40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:11:49, skipping insertion in model container
[2024-12-02 11:11:49,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:49" (3/3) ...
[2024-12-02 11:11:49,518 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:49,532 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:11:49,533 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-49.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:11:49,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:11:49,595 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;@500f2e0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:11:49,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:11:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-12-02 11:11:49,608 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:49,608 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:49,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:49,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:49,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1687873806, now seen corresponding path program 1 times
[2024-12-02 11:11:49,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:11:49,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439283883]
[2024-12-02 11:11:49,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:49,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:11:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-12-02 11:11:49,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:11:49,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439283883]
[2024-12-02 11:11:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439283883] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:11:49,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880817320]
[2024-12-02 11:11:49,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:49,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:11:49,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:11:49,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:11:49,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:11:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:49,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 11:11:49,958 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:11:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-12-02 11:11:49,978 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:11:49,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880817320] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:11:49,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:11:49,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 11:11:49,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781131459]
[2024-12-02 11:11:49,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:11:49,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:11:49,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:11:50,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:11:50,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:11:50,008 INFO L87 Difference]: Start difference. First operand has 54 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-12-02 11:11:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:11:50,026 INFO L93 Difference]: Finished difference Result 101 states and 166 transitions.
[2024-12-02 11:11:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 11:11:50,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93
[2024-12-02 11:11:50,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:11:50,033 INFO L225 Difference]: With dead ends: 101
[2024-12-02 11:11:50,034 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 11:11:50,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 11:11:50,038 INFO L435 NwaCegarLoop]: 72 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, 72 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 11:11:50,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:11:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 11:11:50,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 11:11:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions.
[2024-12-02 11:11:50,068 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 93
[2024-12-02 11:11:50,069 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:11:50,069 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions.
[2024-12-02 11:11:50,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-12-02 11:11:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions.
[2024-12-02 11:11:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-12-02 11:11:50,071 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:50,071 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:50,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:11:50,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 11:11:50,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1405403154, now seen corresponding path program 1 times
[2024-12-02 11:11:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:11:50,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056231084]
[2024-12-02 11:11:50,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:50,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:11:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-12-02 11:11:50,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:11:50,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056231084]
[2024-12-02 11:11:50,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056231084] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:11:50,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:11:50,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:11:50,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049799984]
[2024-12-02 11:11:50,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:11:50,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:11:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:11:50,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:11:50,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:11:50,637 INFO L87 Difference]: Start difference. First operand 50 states and 72 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, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:11:50,819 INFO L93 Difference]: Finished difference Result 105 states and 148 transitions.
[2024-12-02 11:11:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 11:11:50,819 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, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 93
[2024-12-02 11:11:50,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:11:50,821 INFO L225 Difference]: With dead ends: 105
[2024-12-02 11:11:50,821 INFO L226 Difference]: Without dead ends: 58
[2024-12-02 11:11:50,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:11:50,823 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 52 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:11:50,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 127 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:11:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 11:11:50,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54.
[2024-12-02 11:11:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions.
[2024-12-02 11:11:50,836 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 93
[2024-12-02 11:11:50,837 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:11:50,837 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions.
[2024-12-02 11:11:50,837 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, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions.
[2024-12-02 11:11:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-12-02 11:11:50,839 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:50,839 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:50,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:11:50,839 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:50,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:50,840 INFO L85 PathProgramCache]: Analyzing trace with hash -879308495, now seen corresponding path program 1 times
[2024-12-02 11:11:50,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:11:50,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581520405]
[2024-12-02 11:11:50,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:50,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:11:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 11:11:50,899 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 11:11:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 11:11:50,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 11:11:50,968 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 11:11:50,969 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 11:11:50,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:11:50,974 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 11:11:51,021 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:11:51,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:11:51 BoogieIcfgContainer
[2024-12-02 11:11:51,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:11:51,026 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:11:51,026 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:11:51,026 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:11:51,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:49" (3/4) ...
[2024-12-02 11:11:51,029 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 11:11:51,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:11:51,030 INFO L158 Benchmark]: Toolchain (without parser) took 2204.25ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.7MB in the beginning and 133.1MB in the end (delta: -41.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB.
[2024-12-02 11:11:51,031 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:11:51,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.51ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:11:51,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.58ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:11:51,032 INFO L158 Benchmark]: Boogie Preprocessor took 52.73ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:11:51,032 INFO L158 Benchmark]: RCFGBuilder took 346.06ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 47.8MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:11:51,032 INFO L158 Benchmark]: TraceAbstraction took 1513.75ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.2MB in the beginning and 133.1MB in the end (delta: -85.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
[2024-12-02 11:11:51,032 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 201.3MB. Free memory was 133.1MB in the beginning and 133.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:11:51,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 235.51ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.58ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 52.73ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 346.06ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 47.8MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1513.75ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.2MB in the beginning and 133.1MB in the end (delta: -85.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
* Witness Printer took 4.04ms. Allocated memory is still 201.3MB. Free memory was 133.1MB in the beginning and 133.1MB in the end (delta: 21.1kB). 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 68, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 50.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 4;
[L23] float var_1_2 = 1000000000000000.4;
[L24] float var_1_3 = 1000.2;
[L25] unsigned short int var_1_4 = 256;
[L26] unsigned short int var_1_5 = 4;
[L27] unsigned short int var_1_6 = 10;
[L28] signed short int var_1_8 = 128;
[L29] signed short int var_1_9 = -2;
[L30] unsigned char var_1_10 = 0;
[L31] unsigned char var_1_11 = 0;
[L32] unsigned char var_1_12 = 0;
[L33] unsigned char var_1_13 = 1;
VAL [isInitial=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=5000000000000002/5, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L95] isInitial = 1
[L96] FCALL initially()
[L98] FCALL updateLastVariables()
[L99] CALL updateVariables()
[L65] var_1_2 = __VERIFIER_nondet_float()
[L66] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L66] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L67] var_1_3 = __VERIFIER_nondet_float()
[L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L69] var_1_4 = __VERIFIER_nondet_ushort()
[L70] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L70] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L71] CALL assume_abort_if_not(var_1_4 <= 65534)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L71] RET assume_abort_if_not(var_1_4 <= 65534)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2]
[L72] var_1_5 = __VERIFIER_nondet_ushort()
[L73] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2]
[L73] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2]
[L74] CALL assume_abort_if_not(var_1_5 <= 65534)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2]
[L74] RET assume_abort_if_not(var_1_5 <= 65534)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2]
[L75] var_1_6 = __VERIFIER_nondet_ushort()
[L76] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2]
[L76] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2]
[L77] CALL assume_abort_if_not(var_1_6 <= 65534)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2]
[L77] RET assume_abort_if_not(var_1_6 <= 65534)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2]
[L78] var_1_9 = __VERIFIER_nondet_short()
[L79] CALL assume_abort_if_not(var_1_9 >= -32766)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L79] RET assume_abort_if_not(var_1_9 >= -32766)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L80] CALL assume_abort_if_not(var_1_9 <= 32766)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L80] RET assume_abort_if_not(var_1_9 <= 32766)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L81] var_1_11 = __VERIFIER_nondet_uchar()
[L82] CALL assume_abort_if_not(var_1_11 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L82] RET assume_abort_if_not(var_1_11 >= 0)
VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L83] CALL assume_abort_if_not(var_1_11 <= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L83] RET assume_abort_if_not(var_1_11 <= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L84] var_1_12 = __VERIFIER_nondet_uchar()
[L85] CALL assume_abort_if_not(var_1_12 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L85] RET assume_abort_if_not(var_1_12 >= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L86] CALL assume_abort_if_not(var_1_12 <= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L86] RET assume_abort_if_not(var_1_12 <= 0)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766]
[L99] RET updateVariables()
[L100] CALL step()
[L37] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L38] EXPR 50 >> var_1_4
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L38] COND TRUE (50 >> var_1_4) <= var_1_8
[L39] var_1_10 = ((! (! var_1_11)) || var_1_12)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L43] COND TRUE ! var_1_12
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L44] COND TRUE var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8)))
[L45] var_1_13 = (var_1_10 && var_1_11)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L50] COND FALSE !(var_1_2 >= 64.5f)
[L61] var_1_1 = 50
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L100] RET step()
[L101] CALL, EXPR property()
[L91] EXPR (((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11))))
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L91-L92] return ((((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11))))) && ((! var_1_12) ? ((var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8)))) ? (var_1_13 == ((unsigned char) (var_1_10 && var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : 1)
;
[L101] RET, EXPR property()
[L101] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
[L19] reach_error()
VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 124 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 214 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1066/1092 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 11:11:51,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:11:53,068 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:11:53,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 11:11:53,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:11:53,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:11:53,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:11:53,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:11:53,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:11:53,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:11:53,191 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:11:53,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:11:53,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:11:53,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:11:53,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:11:53,192 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:11:53,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:11:53,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:11:53,194 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:11:53,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:53,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:11:53,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:53,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:11:53,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:11:53,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:11:53,197 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 -> aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96
[2024-12-02 11:11:53,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:11:53,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:11:53,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:11:53,467 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:11:53,467 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:11:53,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:56,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/0fa57944c/e279f94f8e034c269fb5c949b44058c4/FLAGc0b91bb2b
[2024-12-02 11:11:56,413 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:11:56,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:56,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/0fa57944c/e279f94f8e034c269fb5c949b44058c4/FLAGc0b91bb2b
[2024-12-02 11:11:56,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/data/0fa57944c/e279f94f8e034c269fb5c949b44058c4
[2024-12-02 11:11:56,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:11:56,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:11:56,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:11:56,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:11:56,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:11:56,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:56,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56, skipping insertion in model container
[2024-12-02 11:11:56,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:56,796 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:11:56,907 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926]
[2024-12-02 11:11:56,948 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:11:56,960 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:11:56,968 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_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926]
[2024-12-02 11:11:56,984 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:11:56,999 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:11:56,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56 WrapperNode
[2024-12-02 11:11:56,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:11:57,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:11:57,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:11:57,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:11:57,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,031 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98
[2024-12-02 11:11:57,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:11:57,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:11:57,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:11:57,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:11:57,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,053 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 11:11:57,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:11:57,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:11:57,072 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:11:57,073 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:11:57,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (1/1) ...
[2024-12-02 11:11:57,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:11:57,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:11:57,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:11:57,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:11:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:11:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 11:11:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 11:11:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 11:11:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:11:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:11:57,197 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:11:57,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:11:57,411 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-12-02 11:11:57,411 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:11:57,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:11:57,421 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:11:57,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:57 BoogieIcfgContainer
[2024-12-02 11:11:57,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:11:57,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:11:57,424 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:11:57,428 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:11:57,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:11:56" (1/3) ...
[2024-12-02 11:11:57,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318cd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:11:57, skipping insertion in model container
[2024-12-02 11:11:57,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:56" (2/3) ...
[2024-12-02 11:11:57,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318cd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:11:57, skipping insertion in model container
[2024-12-02 11:11:57,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:57" (3/3) ...
[2024-12-02 11:11:57,431 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-49.i
[2024-12-02 11:11:57,443 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:11:57,445 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-49.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:11:57,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:11:57,503 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;@7c6a536b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:11:57,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:11:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 11:11:57,513 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:57,513 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:57,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:57,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:57,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475657, now seen corresponding path program 1 times
[2024-12-02 11:11:57,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:11:57,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832166451]
[2024-12-02 11:11:57,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:57,526 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 11:11:57,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:11:57,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:57,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:57,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 11:11:57,705 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:11:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-12-02 11:11:57,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:11:57,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:11:57,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832166451]
[2024-12-02 11:11:57,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832166451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:11:57,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:11:57,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:11:57,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603263557]
[2024-12-02 11:11:57,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:11:57,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:11:57,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:11:57,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:11:57,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:11:57,761 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:11:57,781 INFO L93 Difference]: Finished difference Result 87 states and 146 transitions.
[2024-12-02 11:11:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 11:11:57,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90
[2024-12-02 11:11:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:11:57,788 INFO L225 Difference]: With dead ends: 87
[2024-12-02 11:11:57,788 INFO L226 Difference]: Without dead ends: 43
[2024-12-02 11:11:57,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 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 11:11:57,793 INFO L435 NwaCegarLoop]: 62 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, 62 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 11:11:57,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:11:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-12-02 11:11:57,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-12-02 11:11:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions.
[2024-12-02 11:11:57,828 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 62 transitions. Word has length 90
[2024-12-02 11:11:57,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:11:57,829 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 62 transitions.
[2024-12-02 11:11:57,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions.
[2024-12-02 11:11:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 11:11:57,832 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:57,832 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:57,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:58,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1551115277, now seen corresponding path program 1 times
[2024-12-02 11:11:58,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:11:58,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706766673]
[2024-12-02 11:11:58,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:58,034 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 11:11:58,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:11:58,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:58,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:11:58,184 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:11:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-12-02 11:11:58,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:11:58,270 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:11:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706766673]
[2024-12-02 11:11:58,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706766673] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:11:58,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:11:58,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:11:58,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077368290]
[2024-12-02 11:11:58,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:11:58,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:11:58,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:11:58,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:11:58,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:11:58,273 INFO L87 Difference]: Start difference. First operand 43 states and 62 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:58,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:11:58,485 INFO L93 Difference]: Finished difference Result 91 states and 128 transitions.
[2024-12-02 11:11:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 11:11:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90
[2024-12-02 11:11:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:11:58,488 INFO L225 Difference]: With dead ends: 91
[2024-12-02 11:11:58,488 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 11:11:58,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:11:58,490 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:11:58,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:11:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 11:11:58,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47.
[2024-12-02 11:11:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 11:11:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 64 transitions.
[2024-12-02 11:11:58,500 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 64 transitions. Word has length 90
[2024-12-02 11:11:58,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:11:58,501 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 64 transitions.
[2024-12-02 11:11:58,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-12-02 11:11:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions.
[2024-12-02 11:11:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-12-02 11:11:58,503 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:11:58,503 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:58,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:11:58,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:11:58,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1698087665, now seen corresponding path program 1 times
[2024-12-02 11:11:58,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:11:58,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835171094]
[2024-12-02 11:11:58,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:11:58,705 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 11:11:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:11:58,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a79a8aad-3d22-4d98-b2ca-53ad8da5b0f3/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 11:11:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:11:58,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-12-02 11:11:58,853 INFO L279 TraceCheckSpWp]: Computing forward predicates...