./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b73443b934cb8f13c6c3c0966f6912c28ac30fc0ad18f5f644522c4d2e3ecf6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:22:40,357 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:22:40,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:22:40,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:22:40,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:22:40,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:22:40,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:22:40,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:22:40,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:22:40,558 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:22:40,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:22:40,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:22:40,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:22:40,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:22:40,560 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:22:40,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:22:40,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:22:40,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:22:40,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:22:40,563 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:22:40,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:22:40,563 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:22:40,563 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:22:40,563 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:22:40,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:22:40,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:22:40,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:22:40,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:22:40,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:22:40,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:22:40,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:22:40,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:22:40,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:22:40,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:22:40,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:22:40,566 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:22:40,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:22:40,567 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_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b73443b934cb8f13c6c3c0966f6912c28ac30fc0ad18f5f644522c4d2e3ecf6
[2024-11-24 00:22:41,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:22:41,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:22:41,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:22:41,047 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:22:41,047 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:22:41,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:22:44,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/919911f76/83dd4e570d2a487ea554d8df5266e27d/FLAGdc58f15a8
[2024-11-24 00:22:45,310 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:22:45,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:22:45,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/919911f76/83dd4e570d2a487ea554d8df5266e27d/FLAGdc58f15a8
[2024-11-24 00:22:45,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/919911f76/83dd4e570d2a487ea554d8df5266e27d
[2024-11-24 00:22:45,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:22:45,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:22:45,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:22:45,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:22:45,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:22:45,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:45,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4b642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45, skipping insertion in model container
[2024-11-24 00:22:45,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:45,428 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:22:45,673 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_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i[915,928]
[2024-11-24 00:22:45,784 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:22:45,805 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:22:45,828 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_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i[915,928]
[2024-11-24 00:22:45,894 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:22:45,925 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:22:45,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45 WrapperNode
[2024-11-24 00:22:45,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:22:45,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:22:45,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:22:45,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:22:45,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:45,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,021 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134
[2024-11-24 00:22:46,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:22:46,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:22:46,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:22:46,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:22:46,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,077 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:22:46,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:22:46,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:22:46,120 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:22:46,120 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:22:46,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (1/1) ...
[2024-11-24 00:22:46,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:22:46,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:22:46,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:22:46,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:22:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:22:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:22:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:22:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:22:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:22:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:22:46,337 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:22:46,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:22:46,780 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-24 00:22:46,780 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:22:46,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:22:46,800 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:22:46,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:46 BoogieIcfgContainer
[2024-11-24 00:22:46,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:22:46,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:22:46,808 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:22:46,815 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:22:46,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:22:45" (1/3) ...
[2024-11-24 00:22:46,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37cf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:22:46, skipping insertion in model container
[2024-11-24 00:22:46,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:45" (2/3) ...
[2024-11-24 00:22:46,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37cf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:22:46, skipping insertion in model container
[2024-11-24 00:22:46,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:46" (3/3) ...
[2024-11-24 00:22:46,822 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:22:46,847 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:22:46,850 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-11.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:22:46,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:22:46,962 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;@9c9c2a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:22:46,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:22:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-24 00:22:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-24 00:22:46,976 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:46,977 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:46,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:46,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash -864920012, now seen corresponding path program 1 times
[2024-11-24 00:22:46,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:22:46,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850947377]
[2024-11-24 00:22:46,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:46,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:22:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-24 00:22:47,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:22:47,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850947377]
[2024-11-24 00:22:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850947377] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:22:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670258166]
[2024-11-24 00:22:47,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:22:47,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:22:47,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:22:47,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:22:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:47,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:22:47,656 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:22:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-24 00:22:47,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:22:47,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670258166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:22:47,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:22:47,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 00:22:47,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015332362]
[2024-11-24 00:22:47,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:22:47,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:22:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:22:47,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:22:47,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:22:47,790 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-24 00:22:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:22:47,846 INFO L93 Difference]: Finished difference Result 113 states and 188 transitions.
[2024-11-24 00:22:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:22:47,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111
[2024-11-24 00:22:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:22:47,860 INFO L225 Difference]: With dead ends: 113
[2024-11-24 00:22:47,860 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 00:22:47,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:22:47,873 INFO L435 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:22:47,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:22:47,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 00:22:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-24 00:22:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-24 00:22:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions.
[2024-11-24 00:22:47,939 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 111
[2024-11-24 00:22:47,940 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:22:47,940 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions.
[2024-11-24 00:22:47,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-24 00:22:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions.
[2024-11-24 00:22:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-24 00:22:47,944 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:47,945 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:47,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 00:22:48,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:22:48,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:48,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:48,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1419767114, now seen corresponding path program 1 times
[2024-11-24 00:22:48,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:22:48,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005098527]
[2024-11-24 00:22:48,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:22:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-24 00:22:49,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:22:49,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005098527]
[2024-11-24 00:22:49,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005098527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:22:49,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:22:49,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:22:49,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391911188]
[2024-11-24 00:22:49,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:22:49,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:22:49,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:22:49,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:22:49,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:22:49,842 INFO L87 Difference]: Start difference. First operand 54 states and 79 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:22:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:22:49,971 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions.
[2024-11-24 00:22:49,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:22:49,973 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111
[2024-11-24 00:22:49,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:22:49,977 INFO L225 Difference]: With dead ends: 118
[2024-11-24 00:22:49,979 INFO L226 Difference]: Without dead ends: 67
[2024-11-24 00:22:49,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:22:49,983 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 34 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:22:49,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 203 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 00:22:49,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2024-11-24 00:22:50,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58.
[2024-11-24 00:22:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-24 00:22:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions.
[2024-11-24 00:22:50,005 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 111
[2024-11-24 00:22:50,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:22:50,008 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions.
[2024-11-24 00:22:50,008 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:22:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions.
[2024-11-24 00:22:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-24 00:22:50,011 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:50,012 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:50,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:22:50,012 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:50,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:50,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1417920072, now seen corresponding path program 1 times
[2024-11-24 00:22:50,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:22:50,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507498857]
[2024-11-24 00:22:50,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:22:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-24 00:22:50,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:22:50,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507498857]
[2024-11-24 00:22:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507498857] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:22:50,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:22:50,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:22:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62065858]
[2024-11-24 00:22:50,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:22:50,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:22:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:22:50,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:22:50,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:22:50,744 INFO L87 Difference]: Start difference. First operand 58 states and 85 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:22:51,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:22:51,144 INFO L93 Difference]: Finished difference Result 170 states and 251 transitions.
[2024-11-24 00:22:51,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:22:51,145 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111
[2024-11-24 00:22:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:22:51,148 INFO L225 Difference]: With dead ends: 170
[2024-11-24 00:22:51,152 INFO L226 Difference]: Without dead ends: 115
[2024-11-24 00:22:51,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:22:51,154 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:22:51,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 253 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:22:51,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2024-11-24 00:22:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 92.
[2024-11-24 00:22:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:22:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions.
[2024-11-24 00:22:51,215 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 111
[2024-11-24 00:22:51,216 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:22:51,217 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions.
[2024-11-24 00:22:51,217 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:22:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions.
[2024-11-24 00:22:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-24 00:22:51,222 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:51,223 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:51,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:22:51,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:51,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:51,225 INFO L85 PathProgramCache]: Analyzing trace with hash 404798609, now seen corresponding path program 1 times
[2024-11-24 00:22:51,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:22:51,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007801876]
[2024-11-24 00:22:51,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:22:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2024-11-24 00:22:52,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:22:52,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007801876]
[2024-11-24 00:22:52,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007801876] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:22:52,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205296671]
[2024-11-24 00:22:52,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:22:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:22:52,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:22:52,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:22:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:22:52,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 00:22:52,493 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:22:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked.
[2024-11-24 00:22:52,963 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:22:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2024-11-24 00:22:53,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205296671] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:22:53,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:22:53,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10
[2024-11-24 00:22:53,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226922669]
[2024-11-24 00:22:53,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:22:53,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 00:22:53,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:22:53,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 00:22:53,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:22:53,426 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-24 00:22:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:22:53,860 INFO L93 Difference]: Finished difference Result 159 states and 225 transitions.
[2024-11-24 00:22:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-24 00:22:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 112
[2024-11-24 00:22:53,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:22:53,868 INFO L225 Difference]: With dead ends: 159
[2024-11-24 00:22:53,871 INFO L226 Difference]: Without dead ends: 104
[2024-11-24 00:22:53,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240
[2024-11-24 00:22:53,873 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 168 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:22:53,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 125 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:22:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-11-24 00:22:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96.
[2024-11-24 00:22:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 57 states have internal predecessors, (65), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:22:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 133 transitions.
[2024-11-24 00:22:53,907 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 133 transitions. Word has length 112
[2024-11-24 00:22:53,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:22:53,908 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 133 transitions.
[2024-11-24 00:22:53,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-24 00:22:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 133 transitions.
[2024-11-24 00:22:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 00:22:53,911 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:22:53,911 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:22:53,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 00:22:54,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:22:54,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:22:54,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:22:54,116 INFO L85 PathProgramCache]: Analyzing trace with hash 339142449, now seen corresponding path program 1 times
[2024-11-24 00:22:54,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:22:54,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216039371]
[2024-11-24 00:22:54,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:22:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:22:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:22:54,343 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:22:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:22:54,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:22:54,718 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:22:54,720 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 00:22:54,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:22:54,727 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-24 00:22:54,882 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:22:54,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:22:54 BoogieIcfgContainer
[2024-11-24 00:22:54,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:22:54,891 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:22:54,891 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:22:54,891 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:22:54,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:46" (3/4) ...
[2024-11-24 00:22:54,896 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:22:54,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:22:54,898 INFO L158 Benchmark]: Toolchain (without parser) took 9525.33ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 103.8MB in the beginning and 317.4MB in the end (delta: -213.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB.
[2024-11-24 00:22:54,899 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:22:54,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.73ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:22:54,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.60ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:22:54,902 INFO L158 Benchmark]: Boogie Preprocessor took 96.56ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 85.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:22:54,903 INFO L158 Benchmark]: RCFGBuilder took 683.66ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 68.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:22:54,903 INFO L158 Benchmark]: TraceAbstraction took 8082.31ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 68.0MB in the beginning and 317.5MB in the end (delta: -249.5MB). Peak memory consumption was 163.0MB. Max. memory is 16.1GB.
[2024-11-24 00:22:54,903 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 360.7MB. Free memory was 317.5MB in the beginning and 317.4MB in the end (delta: 110.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:22:54,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.82ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 551.73ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 92.60ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 96.56ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 85.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 683.66ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 68.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 8082.31ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 68.0MB in the beginning and 317.5MB in the end (delta: -249.5MB). Peak memory consumption was 163.0MB. Max. memory is 16.1GB.
* Witness Printer took 6.30ms. Allocated memory is still 360.7MB. Free memory was 317.5MB in the beginning and 317.4MB in the end (delta: 110.7kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someUnaryDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 73.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 1;
[L23] unsigned char var_1_2 = 0;
[L24] unsigned char var_1_3 = 0;
[L25] signed char var_1_4 = 5;
[L26] signed char var_1_7 = 0;
[L27] signed char var_1_8 = 16;
[L28] signed char var_1_9 = 4;
[L29] unsigned long int var_1_10 = 128;
[L30] unsigned long int var_1_11 = 1422462314;
[L31] signed short int var_1_12 = 8;
[L32] signed short int var_1_15 = -50;
[L33] unsigned long int var_1_16 = 1;
[L34] unsigned long int var_1_17 = 3609236770;
[L35] unsigned long int var_1_18 = 2902762324;
[L36] double var_1_19 = 3.8;
[L37] double var_1_20 = 255.75;
[L38] unsigned short int var_1_21 = 0;
[L39] unsigned long int last_1_var_1_10 = 128;
[L40] unsigned long int last_1_var_1_16 = 1;
[L41] double last_1_var_1_19 = 3.8;
VAL [isInitial=0, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L125] isInitial = 1
[L126] FCALL initially()
[L127] int k_loop;
[L128] k_loop = 0
VAL [isInitial=1, k_loop=0, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L128] COND TRUE k_loop < 1
VAL [isInitial=1, k_loop=0, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L129] CALL updateLastVariables()
[L116] last_1_var_1_10 = var_1_10
[L117] last_1_var_1_16 = var_1_16
[L118] last_1_var_1_19 = var_1_19
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L129] RET updateLastVariables()
[L130] CALL updateVariables()
[L88] var_1_2 = __VERIFIER_nondet_uchar()
[L89] CALL assume_abort_if_not(var_1_2 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L89] RET assume_abort_if_not(var_1_2 >= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L90] CALL assume_abort_if_not(var_1_2 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L90] RET assume_abort_if_not(var_1_2 <= 1)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L91] var_1_3 = __VERIFIER_nondet_uchar()
[L92] CALL assume_abort_if_not(var_1_3 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L92] RET assume_abort_if_not(var_1_3 >= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L93] CALL assume_abort_if_not(var_1_3 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L93] RET assume_abort_if_not(var_1_3 <= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L94] var_1_7 = __VERIFIER_nondet_char()
[L95] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L95] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L96] CALL assume_abort_if_not(var_1_7 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L96] RET assume_abort_if_not(var_1_7 <= 63)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4]
[L97] var_1_8 = __VERIFIER_nondet_char()
[L98] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L98] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L99] CALL assume_abort_if_not(var_1_8 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L99] RET assume_abort_if_not(var_1_8 <= 63)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=4]
[L100] var_1_9 = __VERIFIER_nondet_char()
[L101] CALL assume_abort_if_not(var_1_9 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L101] RET assume_abort_if_not(var_1_9 >= 0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L102] CALL assume_abort_if_not(var_1_9 <= 126)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L102] RET assume_abort_if_not(var_1_9 <= 126)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L103] var_1_11 = __VERIFIER_nondet_ulong()
[L104] CALL assume_abort_if_not(var_1_11 >= 1073741823)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L104] RET assume_abort_if_not(var_1_11 >= 1073741823)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L105] CALL assume_abort_if_not(var_1_11 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L105] RET assume_abort_if_not(var_1_11 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L106] var_1_17 = __VERIFIER_nondet_ulong()
[L107] CALL assume_abort_if_not(var_1_17 >= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L107] RET assume_abort_if_not(var_1_17 >= 2147483647)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L108] CALL assume_abort_if_not(var_1_17 <= 4294967294)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L108] RET assume_abort_if_not(var_1_17 <= 4294967294)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L109] var_1_18 = __VERIFIER_nondet_ulong()
[L110] CALL assume_abort_if_not(var_1_18 >= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L110] RET assume_abort_if_not(var_1_18 >= 2147483647)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L111] CALL assume_abort_if_not(var_1_18 <= 4294967294)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L111] RET assume_abort_if_not(var_1_18 <= 4294967294)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L112] var_1_20 = __VERIFIER_nondet_double()
[L113] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L113] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L130] RET updateVariables()
[L131] CALL step()
[L45] unsigned long int stepLocal_1 = last_1_var_1_16;
[L46] unsigned long int stepLocal_0 = last_1_var_1_16;
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L47] COND TRUE stepLocal_1 != last_1_var_1_10
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L48] COND FALSE !(var_1_8 <= stepLocal_0)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=2, var_1_9=0]
[L56] COND TRUE var_1_12 == var_1_12
[L57] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L59] var_1_1 = (var_1_2 || (! var_1_3))
[L60] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))
[L61] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L62] COND TRUE \read(var_1_1)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L63] COND FALSE !(var_1_19 >= var_1_19)
[L68] var_1_15 = var_1_7
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=1, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L73] COND TRUE var_1_19 != var_1_19
[L74] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L82] unsigned char stepLocal_2 = var_1_1;
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_2=1, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L83] COND TRUE (var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2
[L84] var_1_21 = var_1_9
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L131] RET step()
[L132] CALL, EXPR property()
[L121-L122] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1)
;
VAL [\result=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L132] RET, EXPR property()
[L132] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=6174510459, var_1_11=-2147483650, var_1_12=8, var_1_15=0, var_1_16=2, var_1_17=9223372043297226751U, var_1_18=9223372043297226751U, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=1, var_1_3=0, var_1_4=10, var_1_7=0, var_1_8=2, var_1_9=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 664 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 286 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 1614 SizeOfPredicates, 3 NumberOfNonLiveVariables, 558 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 3659/3808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 00:22:54,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b73443b934cb8f13c6c3c0966f6912c28ac30fc0ad18f5f644522c4d2e3ecf6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:22:58,303 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:22:58,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:22:58,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:22:58,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:22:58,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:22:58,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:22:58,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:22:58,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:22:58,512 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:22:58,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:22:58,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:22:58,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:22:58,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:22:58,514 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:22:58,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:22:58,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:22:58,515 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:22:58,515 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:22:58,517 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:22:58,518 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:22:58,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:22:58,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:22:58,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:22:58,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:22:58,519 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_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b73443b934cb8f13c6c3c0966f6912c28ac30fc0ad18f5f644522c4d2e3ecf6
[2024-11-24 00:22:58,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:22:58,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:22:58,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:22:58,969 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:22:58,969 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:22:58,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:23:02,372 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/d49ac7a2e/075e131304624cabbced0b1f30d12d35/FLAGc2f819bb6
[2024-11-24 00:23:02,802 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:23:02,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:23:02,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/d49ac7a2e/075e131304624cabbced0b1f30d12d35/FLAGc2f819bb6
[2024-11-24 00:23:02,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/data/d49ac7a2e/075e131304624cabbced0b1f30d12d35
[2024-11-24 00:23:02,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:23:02,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:23:02,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:23:02,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:23:02,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:23:02,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:02" (1/1) ...
[2024-11-24 00:23:02,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136e8a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:02, skipping insertion in model container
[2024-11-24 00:23:02,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:02" (1/1) ...
[2024-11-24 00:23:02,904 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:23:03,147 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_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i[915,928]
[2024-11-24 00:23:03,264 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:23:03,286 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:23:03,301 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_89940713-b69c-4c3a-99b8-602500bb03f9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-11.i[915,928]
[2024-11-24 00:23:03,361 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:23:03,398 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:23:03,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03 WrapperNode
[2024-11-24 00:23:03,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:23:03,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:23:03,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:23:03,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:23:03,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,451 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131
[2024-11-24 00:23:03,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:23:03,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:23:03,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:23:03,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:23:03,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,496 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:23:03,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:23:03,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:23:03,531 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:23:03,531 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:23:03,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ...
[2024-11-24 00:23:03,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:23:03,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:23:03,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:03,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:23:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:23:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:23:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:23:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:23:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:23:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:23:03,711 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:23:03,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:23:04,186 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-24 00:23:04,186 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:23:04,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:23:04,200 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:23:04,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:04 BoogieIcfgContainer
[2024-11-24 00:23:04,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:23:04,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:23:04,204 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:23:04,211 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:23:04,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:23:02" (1/3) ...
[2024-11-24 00:23:04,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196fda71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:04, skipping insertion in model container
[2024-11-24 00:23:04,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (2/3) ...
[2024-11-24 00:23:04,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196fda71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:04, skipping insertion in model container
[2024-11-24 00:23:04,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:04" (3/3) ...
[2024-11-24 00:23:04,215 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-11.i
[2024-11-24 00:23:04,237 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:23:04,239 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-11.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:23:04,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:23:04,360 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;@72176567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:23:04,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:23:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-24 00:23:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-24 00:23:04,384 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:23:04,385 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:23:04,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:23:04,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:23:04,397 INFO L85 PathProgramCache]: Analyzing trace with hash -864920012, now seen corresponding path program 1 times
[2024-11-24 00:23:04,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:23:04,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968075495]
[2024-11-24 00:23:04,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:23:04,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:04,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:23:04,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:04,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-24 00:23:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:23:04,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:23:04,804 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:23:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked.
[2024-11-24 00:23:04,903 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:23:04,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:23:04,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968075495]
[2024-11-24 00:23:04,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968075495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:23:04,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:23:04,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:23:04,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900356957]
[2024-11-24 00:23:04,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:23:04,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:23:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:23:04,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:23:04,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:23:04,949 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-24 00:23:04,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:23:04,991 INFO L93 Difference]: Finished difference Result 113 states and 188 transitions.
[2024-11-24 00:23:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:23:04,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111
[2024-11-24 00:23:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:23:05,002 INFO L225 Difference]: With dead ends: 113
[2024-11-24 00:23:05,003 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 00:23:05,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:23:05,011 INFO L435 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:23:05,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:23:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 00:23:05,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-24 00:23:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-24 00:23:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions.
[2024-11-24 00:23:05,064 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 111
[2024-11-24 00:23:05,064 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:23:05,064 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions.
[2024-11-24 00:23:05,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-24 00:23:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions.
[2024-11-24 00:23:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-24 00:23:05,070 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:23:05,070 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:23:05,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-24 00:23:05,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:05,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:23:05,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:23:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1419767114, now seen corresponding path program 1 times
[2024-11-24 00:23:05,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:23:05,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196625275]
[2024-11-24 00:23:05,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:23:05,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:05,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:23:05,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:05,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-24 00:23:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:23:05,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-24 00:23:05,570 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:23:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-24 00:23:06,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:23:06,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:23:06,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196625275]
[2024-11-24 00:23:06,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196625275] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:23:06,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:23:06,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:23:06,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677836182]
[2024-11-24 00:23:06,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:23:06,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:23:06,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:23:06,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:23:06,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:23:06,862 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:23:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:23:07,345 INFO L93 Difference]: Finished difference Result 158 states and 233 transitions.
[2024-11-24 00:23:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:23:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111
[2024-11-24 00:23:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:23:07,352 INFO L225 Difference]: With dead ends: 158
[2024-11-24 00:23:07,352 INFO L226 Difference]: Without dead ends: 107
[2024-11-24 00:23:07,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:23:07,354 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:23:07,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 253 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 00:23:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2024-11-24 00:23:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 88.
[2024-11-24 00:23:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:23:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions.
[2024-11-24 00:23:07,410 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 111
[2024-11-24 00:23:07,410 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:23:07,411 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions.
[2024-11-24 00:23:07,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:23:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions.
[2024-11-24 00:23:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-24 00:23:07,418 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:23:07,418 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:23:07,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-24 00:23:07,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:07,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:23:07,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:23:07,620 INFO L85 PathProgramCache]: Analyzing trace with hash 402951567, now seen corresponding path program 1 times
[2024-11-24 00:23:07,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:23:07,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420199746]
[2024-11-24 00:23:07,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:23:07,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:23:07,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:07,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-24 00:23:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:23:07,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:23:07,880 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:23:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked.
[2024-11-24 00:23:08,272 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:23:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2024-11-24 00:23:08,642 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:23:08,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420199746]
[2024-11-24 00:23:08,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420199746] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:23:08,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 00:23:08,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2024-11-24 00:23:08,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231208312]
[2024-11-24 00:23:08,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:23:08,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 00:23:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:23:08,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 00:23:08,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-24 00:23:08,648 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-24 00:23:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:23:09,224 INFO L93 Difference]: Finished difference Result 155 states and 219 transitions.
[2024-11-24 00:23:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-24 00:23:09,227 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 112
[2024-11-24 00:23:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:23:09,230 INFO L225 Difference]: With dead ends: 155
[2024-11-24 00:23:09,230 INFO L226 Difference]: Without dead ends: 104
[2024-11-24 00:23:09,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240
[2024-11-24 00:23:09,236 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 79 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:23:09,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 124 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 00:23:09,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-11-24 00:23:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96.
[2024-11-24 00:23:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 57 states have internal predecessors, (65), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:23:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 133 transitions.
[2024-11-24 00:23:09,285 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 133 transitions. Word has length 112
[2024-11-24 00:23:09,286 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:23:09,286 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 133 transitions.
[2024-11-24 00:23:09,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-24 00:23:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 133 transitions.
[2024-11-24 00:23:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 00:23:09,292 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:23:09,293 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:23:09,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-24 00:23:09,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:09,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:23:09,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:23:09,499 INFO L85 PathProgramCache]: Analyzing trace with hash 339142449, now seen corresponding path program 1 times
[2024-11-24 00:23:09,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:23:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233722121]
[2024-11-24 00:23:09,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:23:09,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:23:09,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:09,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-24 00:23:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:23:09,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:23:09,683 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:23:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-24 00:23:10,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:23:10,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:23:10,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233722121]
[2024-11-24 00:23:10,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233722121] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:23:10,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:23:10,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:23:10,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751755228]
[2024-11-24 00:23:10,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:23:10,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:23:10,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:23:10,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:23:10,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:23:10,176 INFO L87 Difference]: Start difference. First operand 96 states and 133 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:23:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:23:10,564 INFO L93 Difference]: Finished difference Result 155 states and 216 transitions.
[2024-11-24 00:23:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 00:23:10,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113
[2024-11-24 00:23:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:23:10,570 INFO L225 Difference]: With dead ends: 155
[2024-11-24 00:23:10,571 INFO L226 Difference]: Without dead ends: 100
[2024-11-24 00:23:10,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:23:10,576 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 56 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 00:23:10,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 177 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 00:23:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-24 00:23:10,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2024-11-24 00:23:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-24 00:23:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions.
[2024-11-24 00:23:10,636 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 113
[2024-11-24 00:23:10,638 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:23:10,638 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions.
[2024-11-24 00:23:10,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-24 00:23:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions.
[2024-11-24 00:23:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-11-24 00:23:10,644 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:23:10,644 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:23:10,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-24 00:23:10,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:10,845 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:23:10,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:23:10,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1621687122, now seen corresponding path program 1 times
[2024-11-24 00:23:10,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:23:10,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599818983]
[2024-11-24 00:23:10,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:23:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:23:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:23:10,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:23:10,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89940713-b69c-4c3a-99b8-602500bb03f9/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-24 00:23:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:23:11,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 24 conjuncts are in the unsatisfiable core
[2024-11-24 00:23:11,008 INFO L279 TraceCheckSpWp]: Computing forward predicates...