./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:50:32,453 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:50:32,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:50:32,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:50:32,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:50:32,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:50:32,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:50:32,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:50:32,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:50:32,540 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:50:32,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:50:32,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:50:32,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:50:32,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:50:32,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:50:32,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:50:32,542 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:50:32,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:32,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:32,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:50:32,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:50:32,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:50:32,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:50:32,544 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44
[2024-12-02 12:50:32,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:50:32,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:50:32,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:50:32,790 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:50:32,790 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:50:32,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:35,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/f2254cede/2a6cc0bac58c44d0a2d38844b742cd66/FLAG8e6a94b95
[2024-12-02 12:50:35,636 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:50:35,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:35,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/f2254cede/2a6cc0bac58c44d0a2d38844b742cd66/FLAG8e6a94b95
[2024-12-02 12:50:36,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/f2254cede/2a6cc0bac58c44d0a2d38844b742cd66
[2024-12-02 12:50:36,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:50:36,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:50:36,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:50:36,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:50:36,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:50:36,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e88f66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36, skipping insertion in model container
[2024-12-02 12:50:36,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,023 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:50:36,121 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-12-02 12:50:36,158 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:50:36,166 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:50:36,174 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-12-02 12:50:36,193 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:50:36,206 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:50:36,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36 WrapperNode
[2024-12-02 12:50:36,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:50:36,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:50:36,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:50:36,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:50:36,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,248 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107
[2024-12-02 12:50:36,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:50:36,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:50:36,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:50:36,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:50:36,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,272 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:50:36,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:50:36,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:50:36,291 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:50:36,291 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:50:36,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (1/1) ...
[2024-12-02 12:50:36,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:36,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:36,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:50:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:50:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:50:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 12:50:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 12:50:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:50:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:50:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:50:36,393 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:50:36,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:50:36,628 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-12-02 12:50:36,628 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:50:36,635 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:50:36,636 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:50:36,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:36 BoogieIcfgContainer
[2024-12-02 12:50:36,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:50:36,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:50:36,638 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:50:36,642 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:50:36,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:50:36" (1/3) ...
[2024-12-02 12:50:36,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d314cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:36, skipping insertion in model container
[2024-12-02 12:50:36,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:36" (2/3) ...
[2024-12-02 12:50:36,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d314cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:36, skipping insertion in model container
[2024-12-02 12:50:36,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:36" (3/3) ...
[2024-12-02 12:50:36,645 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:36,659 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:50:36,661 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-37.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:50:36,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:50:36,722 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;@5a76765a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:50:36,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:50:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-02 12:50:36,733 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:36,734 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:36,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:36,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:36,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1174007771, now seen corresponding path program 1 times
[2024-12-02 12:50:36,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:36,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768953123]
[2024-12-02 12:50:36,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-12-02 12:50:36,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:50:36,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768953123]
[2024-12-02 12:50:36,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768953123] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:50:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852452772]
[2024-12-02 12:50:36,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:36,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:50:36,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:50:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:37,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:37,031 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-12-02 12:50:37,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:50:37,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852452772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:37,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:50:37,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 12:50:37,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865552717]
[2024-12-02 12:50:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:37,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:50:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:50:37,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:50:37,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:50:37,072 INFO L87 Difference]: Start difference. First operand has 50 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 12:50:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:37,092 INFO L93 Difference]: Finished difference Result 93 states and 147 transitions.
[2024-12-02 12:50:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:50:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68
[2024-12-02 12:50:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:37,100 INFO L225 Difference]: With dead ends: 93
[2024-12-02 12:50:37,100 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 12:50:37,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:50:37,105 INFO L435 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:37,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:50:37,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 12:50:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-12-02 12:50:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions.
[2024-12-02 12:50:37,138 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 68
[2024-12-02 12:50:37,138 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:37,138 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions.
[2024-12-02 12:50:37,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 12:50:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions.
[2024-12-02 12:50:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-02 12:50:37,141 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:37,141 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:37,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:50:37,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 12:50:37,342 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:37,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:37,342 INFO L85 PathProgramCache]: Analyzing trace with hash -108979235, now seen corresponding path program 1 times
[2024-12-02 12:50:37,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:37,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152431142]
[2024-12-02 12:50:37,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:37,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-12-02 12:50:37,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:50:37,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152431142]
[2024-12-02 12:50:37,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152431142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:37,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:50:37,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:50:37,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112960606]
[2024-12-02 12:50:37,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:37,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:50:37,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:50:37,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:50:37,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:50:37,609 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:37,639 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions.
[2024-12-02 12:50:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:50:37,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68
[2024-12-02 12:50:37,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:37,641 INFO L225 Difference]: With dead ends: 89
[2024-12-02 12:50:37,641 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 12:50:37,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:50:37,643 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:37,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:50:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 12:50:37,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-12-02 12:50:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions.
[2024-12-02 12:50:37,649 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 68
[2024-12-02 12:50:37,650 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:37,650 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions.
[2024-12-02 12:50:37,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions.
[2024-12-02 12:50:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-02 12:50:37,651 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:37,651 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:37,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:50:37,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:37,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:37,652 INFO L85 PathProgramCache]: Analyzing trace with hash -918325861, now seen corresponding path program 1 times
[2024-12-02 12:50:37,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:37,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206490742]
[2024-12-02 12:50:37,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:50:37,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:50:37,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206490742]
[2024-12-02 12:50:37,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206490742] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:50:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285621137]
[2024-12-02 12:50:37,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:37,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:37,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:37,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:50:37,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 12:50:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:37,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:37,971 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-12-02 12:50:38,129 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:50:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:50:38,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285621137] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:50:38,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:50:38,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8
[2024-12-02 12:50:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150294935]
[2024-12-02 12:50:38,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:50:38,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 12:50:38,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:50:38,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 12:50:38,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:50:38,305 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26)
[2024-12-02 12:50:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:38,476 INFO L93 Difference]: Finished difference Result 95 states and 130 transitions.
[2024-12-02 12:50:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 12:50:38,477 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 68
[2024-12-02 12:50:38,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:38,478 INFO L225 Difference]: With dead ends: 95
[2024-12-02 12:50:38,478 INFO L226 Difference]: Without dead ends: 52
[2024-12-02 12:50:38,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110
[2024-12-02 12:50:38,479 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 35 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:38,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 101 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:50:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-12-02 12:50:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50.
[2024-12-02 12:50:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions.
[2024-12-02 12:50:38,488 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 68
[2024-12-02 12:50:38,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:38,488 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions.
[2024-12-02 12:50:38,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26)
[2024-12-02 12:50:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions.
[2024-12-02 12:50:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-12-02 12:50:38,490 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:38,490 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:38,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 12:50:38,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-12-02 12:50:38,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:38,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:38,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2055988095, now seen corresponding path program 1 times
[2024-12-02 12:50:38,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:38,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232836418]
[2024-12-02 12:50:38,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:38,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:50:38,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:50:38,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232836418]
[2024-12-02 12:50:38,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232836418] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:50:38,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670277250]
[2024-12-02 12:50:38,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:38,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:38,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:38,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:50:38,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 12:50:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:38,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:38,972 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-12-02 12:50:39,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:50:39,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670277250] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:39,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:50:39,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2024-12-02 12:50:39,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962305550]
[2024-12-02 12:50:39,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:39,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:50:39,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:50:39,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:50:39,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 12:50:39,168 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:39,336 INFO L93 Difference]: Finished difference Result 147 states and 194 transitions.
[2024-12-02 12:50:39,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 12:50:39,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 70
[2024-12-02 12:50:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:39,338 INFO L225 Difference]: With dead ends: 147
[2024-12-02 12:50:39,338 INFO L226 Difference]: Without dead ends: 100
[2024-12-02 12:50:39,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2024-12-02 12:50:39,339 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:39,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 193 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:50:39,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-12-02 12:50:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 77.
[2024-12-02 12:50:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 12:50:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions.
[2024-12-02 12:50:39,354 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 70
[2024-12-02 12:50:39,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:39,354 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions.
[2024-12-02 12:50:39,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions.
[2024-12-02 12:50:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-12-02 12:50:39,356 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:39,356 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 12:50:39,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:39,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:39,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1046819240, now seen corresponding path program 1 times
[2024-12-02 12:50:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:39,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100094082]
[2024-12-02 12:50:39,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 12:50:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636371744]
[2024-12-02 12:50:39,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:39,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:39,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:50:39,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 12:50:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:39,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:39,678 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-12-02 12:50:39,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:50:39,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:50:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100094082]
[2024-12-02 12:50:39,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 12:50:39,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636371744]
[2024-12-02 12:50:39,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636371744] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:39,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:50:39,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:50:39,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487623041]
[2024-12-02 12:50:39,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:39,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:50:39,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:50:39,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:50:39,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:50:39,938 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:40,049 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions.
[2024-12-02 12:50:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:50:40,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 71
[2024-12-02 12:50:40,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:40,051 INFO L225 Difference]: With dead ends: 147
[2024-12-02 12:50:40,051 INFO L226 Difference]: Without dead ends: 99
[2024-12-02 12:50:40,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:50:40,052 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 46 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:40,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 147 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:50:40,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2024-12-02 12:50:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 91.
[2024-12-02 12:50:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 12:50:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions.
[2024-12-02 12:50:40,068 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 71
[2024-12-02 12:50:40,069 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:40,069 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions.
[2024-12-02 12:50:40,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions.
[2024-12-02 12:50:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-12-02 12:50:40,070 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:40,070 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:40,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 12:50:40,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:40,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:40,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:40,271 INFO L85 PathProgramCache]: Analyzing trace with hash 762866719, now seen corresponding path program 1 times
[2024-12-02 12:50:40,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:50:40,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410189936]
[2024-12-02 12:50:40,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:50:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 12:50:40,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076003816]
[2024-12-02 12:50:40,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:40,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:40,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:40,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:50:40,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 12:50:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:50:40,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:50:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:50:40,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 12:50:40,442 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:50:40,442 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:50:40,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 12:50:40,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:50:40,646 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:40,683 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:50:40,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:50:40 BoogieIcfgContainer
[2024-12-02 12:50:40,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:50:40,687 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:50:40,687 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:50:40,687 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:50:40,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:36" (3/4) ...
[2024-12-02 12:50:40,690 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 12:50:40,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:50:40,691 INFO L158 Benchmark]: Toolchain (without parser) took 4685.56ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 47.9MB in the end (delta: 69.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB.
[2024-12-02 12:50:40,691 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:50:40,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.92ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:50:40,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 101.6MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:50:40,692 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:50:40,692 INFO L158 Benchmark]: RCFGBuilder took 345.73ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 77.7MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 12:50:40,693 INFO L158 Benchmark]: TraceAbstraction took 4048.02ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 47.9MB in the end (delta: 29.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB.
[2024-12-02 12:50:40,693 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:50:40,694 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 199.92ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.01ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 101.6MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.42ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 345.73ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 77.7MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 4048.02ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 47.9MB in the end (delta: 29.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB.
* Witness Printer took 3.68ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of bitwiseOr at line 81, overapproximation of bitwiseOr at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 74.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 8;
[L23] unsigned short int var_1_2 = 59049;
[L24] unsigned char var_1_6 = 4;
[L25] unsigned char var_1_7 = 1;
[L26] unsigned char var_1_8 = 64;
[L27] unsigned long int var_1_9 = 64;
[L28] unsigned long int var_1_10 = 1776833134;
[L29] signed long int var_1_11 = -16;
[L30] double var_1_12 = 0.25;
[L31] double var_1_13 = 5.5;
[L32] unsigned char last_1_var_1_8 = 64;
[L33] signed long int last_1_var_1_11 = -16;
VAL [isInitial=0, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=59049, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L85] isInitial = 1
[L86] FCALL initially()
[L88] CALL updateLastVariables()
[L77] last_1_var_1_8 = var_1_8
[L78] last_1_var_1_11 = var_1_11
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=59049, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L88] RET updateLastVariables()
[L89] CALL updateVariables()
[L61] var_1_2 = __VERIFIER_nondet_ushort()
[L62] CALL assume_abort_if_not(var_1_2 >= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L62] RET assume_abort_if_not(var_1_2 >= 32767)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L63] CALL assume_abort_if_not(var_1_2 <= 65535)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L63] RET assume_abort_if_not(var_1_2 <= 65535)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64]
[L64] var_1_6 = __VERIFIER_nondet_uchar()
[L65] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_7=1, var_1_8=64, var_1_9=64]
[L65] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_7=1, var_1_8=64, var_1_9=64]
[L66] CALL assume_abort_if_not(var_1_6 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L66] RET assume_abort_if_not(var_1_6 <= 254)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L67] var_1_7 = __VERIFIER_nondet_uchar()
[L68] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_8=64, var_1_9=64]
[L68] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_8=64, var_1_9=64]
[L69] CALL assume_abort_if_not(var_1_7 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L69] RET assume_abort_if_not(var_1_7 <= 1)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L70] var_1_10 = __VERIFIER_nondet_ulong()
[L71] CALL assume_abort_if_not(var_1_10 >= 1073741824)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L71] RET assume_abort_if_not(var_1_10 >= 1073741824)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L72] CALL assume_abort_if_not(var_1_10 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L72] RET assume_abort_if_not(var_1_10 <= 2147483647)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L73] var_1_13 = __VERIFIER_nondet_double()
[L74] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L74] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L89] RET updateVariables()
[L90] CALL step()
[L37] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L37] COND TRUE ((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64
[L38] var_1_1 = ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6))))))
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L44] var_1_11 = var_1_1
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=1/4, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=64, var_1_9=64]
[L45] COND TRUE var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2)))
[L46] var_1_8 = var_1_6
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=1/4, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=64]
[L52] unsigned char stepLocal_0 = var_1_1;
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, stepLocal_0=1, var_1_10=-3221225472, var_1_11=1, var_1_12=1/4, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=64]
[L53] COND FALSE !(var_1_1 > stepLocal_0)
[L56] var_1_9 = ((1228227409u + var_1_10) - var_1_11)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=1/4, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-1992998064]
[L58] var_1_12 = var_1_13
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-1992998064]
[L90] RET step()
[L91] CALL, EXPR property()
[L81] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-1992998064]
[L81-L82] return (((((((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64) ? (var_1_1 == ((unsigned char) ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6)))))))) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) && ((var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2)))) ? (var_1_8 == ((unsigned char) var_1_6)) : (var_1_7 ? (var_1_8 == ((unsigned char) var_1_6)) : 1))) && ((var_1_1 > var_1_1) ? (var_1_9 == ((unsigned long int) var_1_2)) : (var_1_9 == ((unsigned long int) ((1228227409u + var_1_10) - var_1_11))))) && (var_1_11 == ((signed long int) var_1_1))) && (var_1_12 == ((double) var_1_13))
;
[L91] RET, EXPR property()
[L91] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-1992998064]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=-1992998064]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 622 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 351 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 271 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 610 ConstructedInterpolants, 1 QuantifiedInterpolants, 1721 SizeOfPredicates, 9 NumberOfNonLiveVariables, 717 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 1184/1296 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 12:50:40,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:50:42,634 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:50:42,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 12:50:42,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:50:42,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:50:42,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:50:42,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:50:42,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:50:42,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:50:42,744 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:50:42,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:50:42,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:50:42,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:50:42,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:50:42,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:50:42,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:50:42,747 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:42,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:50:42,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:42,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:50:42,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:50:42,748 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44
[2024-12-02 12:50:42,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:50:42,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:50:42,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:50:42,984 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:50:42,985 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:50:42,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:45,613 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/2798069f3/8385967257e249fd9bfcf223cccba0de/FLAGbc45b96b2
[2024-12-02 12:50:45,814 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:50:45,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:45,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/2798069f3/8385967257e249fd9bfcf223cccba0de/FLAGbc45b96b2
[2024-12-02 12:50:45,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/data/2798069f3/8385967257e249fd9bfcf223cccba0de
[2024-12-02 12:50:45,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:50:45,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:50:45,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:50:45,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:50:45,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:50:45,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:45" (1/1) ...
[2024-12-02 12:50:45,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:45, skipping insertion in model container
[2024-12-02 12:50:45,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:45" (1/1) ...
[2024-12-02 12:50:45,855 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:50:45,959 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-12-02 12:50:45,994 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:50:46,005 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:50:46,015 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_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-12-02 12:50:46,032 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:50:46,046 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:50:46,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46 WrapperNode
[2024-12-02 12:50:46,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:50:46,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:50:46,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:50:46,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:50:46,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,080 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85
[2024-12-02 12:50:46,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:50:46,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:50:46,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:50:46,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:50:46,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,101 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:50:46,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:50:46,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:50:46,119 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:50:46,119 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:50:46,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ...
[2024-12-02 12:50:46,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:50:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:50:46,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:50:46,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 12:50:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 12:50:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:50:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:50:46,225 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:50:46,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:50:46,448 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-12-02 12:50:46,448 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:50:46,457 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:50:46,457 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:50:46,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:46 BoogieIcfgContainer
[2024-12-02 12:50:46,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:50:46,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:50:46,468 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:50:46,473 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:50:46,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:50:45" (1/3) ...
[2024-12-02 12:50:46,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc6da15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:46, skipping insertion in model container
[2024-12-02 12:50:46,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (2/3) ...
[2024-12-02 12:50:46,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc6da15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:46, skipping insertion in model container
[2024-12-02 12:50:46,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:46" (3/3) ...
[2024-12-02 12:50:46,476 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-37.i
[2024-12-02 12:50:46,490 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:50:46,492 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-37.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:50:46,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:50:46,549 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;@15490ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:50:46,549 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:50:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-02 12:50:46,560 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:46,560 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:46,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:46,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:46,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1910201472, now seen corresponding path program 1 times
[2024-12-02 12:50:46,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:50:46,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631464532]
[2024-12-02 12:50:46,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:46,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:50:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:50:46,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:50:46,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-12-02 12:50:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:46,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:46,733 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2024-12-02 12:50:46,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:50:46,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:50:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631464532]
[2024-12-02 12:50:46,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631464532] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:46,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:50:46,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:50:46,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527589448]
[2024-12-02 12:50:46,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:46,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:50:46,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:50:46,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:50:46,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:50:46,784 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 12:50:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:46,802 INFO L93 Difference]: Finished difference Result 75 states and 117 transitions.
[2024-12-02 12:50:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:50:46,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65
[2024-12-02 12:50:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:46,808 INFO L225 Difference]: With dead ends: 75
[2024-12-02 12:50:46,808 INFO L226 Difference]: Without dead ends: 37
[2024-12-02 12:50:46,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:50:46,812 INFO L435 NwaCegarLoop]: 50 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, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:46,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:50:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-12-02 12:50:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-12-02 12:50:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions.
[2024-12-02 12:50:46,844 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 65
[2024-12-02 12:50:46,844 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:46,844 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions.
[2024-12-02 12:50:46,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 12:50:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions.
[2024-12-02 12:50:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-02 12:50:46,847 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:46,847 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:46,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-12-02 12:50:47,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:50:47,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:47,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1776469694, now seen corresponding path program 1 times
[2024-12-02 12:50:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:50:47,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138407020]
[2024-12-02 12:50:47,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:47,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:50:47,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:50:47,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:50:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-12-02 12:50:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:47,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:47,168 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:50:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-12-02 12:50:47,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:50:47,208 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:50:47,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138407020]
[2024-12-02 12:50:47,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138407020] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:50:47,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:50:47,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:50:47,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157248137]
[2024-12-02 12:50:47,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:50:47,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:50:47,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:50:47,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:50:47,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:50:47,211 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:47,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:50:47,291 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions.
[2024-12-02 12:50:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:50:47,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65
[2024-12-02 12:50:47,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:50:47,295 INFO L225 Difference]: With dead ends: 71
[2024-12-02 12:50:47,296 INFO L226 Difference]: Without dead ends: 37
[2024-12-02 12:50:47,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:50:47,297 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:50:47,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:50:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-12-02 12:50:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-12-02 12:50:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:50:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions.
[2024-12-02 12:50:47,303 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 65
[2024-12-02 12:50:47,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:50:47,304 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions.
[2024-12-02 12:50:47,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:50:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions.
[2024-12-02 12:50:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-12-02 12:50:47,305 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:50:47,306 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:50:47,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-12-02 12:50:47,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:50:47,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:50:47,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:50:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1833727996, now seen corresponding path program 1 times
[2024-12-02 12:50:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:50:47,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972771983]
[2024-12-02 12:50:47,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:50:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:50:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:50:47,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:50:47,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-12-02 12:50:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:50:47,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 12:50:47,639 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:51:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:51:10,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:51:10,943 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:51:10,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972771983]
[2024-12-02 12:51:10,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972771983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:51:10,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:51:10,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-12-02 12:51:10,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225542435]
[2024-12-02 12:51:10,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:51:10,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 12:51:10,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:51:10,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 12:51:10,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-12-02 12:51:10,945 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:51:12,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:51:12,814 INFO L93 Difference]: Finished difference Result 87 states and 112 transitions.
[2024-12-02 12:51:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-02 12:51:12,815 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65
[2024-12-02 12:51:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:51:12,816 INFO L225 Difference]: With dead ends: 87
[2024-12-02 12:51:12,816 INFO L226 Difference]: Without dead ends: 53
[2024-12-02 12:51:12,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552
[2024-12-02 12:51:12,817 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 68 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:51:12,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 160 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 12:51:12,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-02 12:51:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49.
[2024-12-02 12:51:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.135135135135135) internal successors, (42), 37 states have internal predecessors, (42), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:51:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions.
[2024-12-02 12:51:12,823 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 65
[2024-12-02 12:51:12,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:51:12,823 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions.
[2024-12-02 12:51:12,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:51:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions.
[2024-12-02 12:51:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-12-02 12:51:12,824 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:51:12,824 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:51:12,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-12-02 12:51:13,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:51:13,025 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:51:13,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:51:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash 623397682, now seen corresponding path program 1 times
[2024-12-02 12:51:13,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:51:13,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768225925]
[2024-12-02 12:51:13,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:51:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:51:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:51:13,027 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:51:13,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-12-02 12:51:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:51:13,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 12:51:13,119 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:51:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-12-02 12:51:13,477 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:51:13,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:51:13,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768225925]
[2024-12-02 12:51:13,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768225925] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:51:13,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [354521204]
[2024-12-02 12:51:13,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:51:13,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 12:51:13,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 12:51:13,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 12:51:13,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-12-02 12:51:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:51:14,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-12-02 12:51:14,217 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:51:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:51:33,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:51:33,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [354521204] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:51:33,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:51:33,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 19
[2024-12-02 12:51:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991890802]
[2024-12-02 12:51:33,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:51:33,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 12:51:33,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:51:33,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 12:51:33,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420
[2024-12-02 12:51:33,042 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:51:42,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:51:42,877 INFO L93 Difference]: Finished difference Result 120 states and 145 transitions.
[2024-12-02 12:51:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 12:51:42,882 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66
[2024-12-02 12:51:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:51:42,883 INFO L225 Difference]: With dead ends: 120
[2024-12-02 12:51:42,883 INFO L226 Difference]: Without dead ends: 74
[2024-12-02 12:51:42,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650
[2024-12-02 12:51:42,884 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 72 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:51:42,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 221 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time]
[2024-12-02 12:51:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-12-02 12:51:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 52.
[2024-12-02 12:51:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:51:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions.
[2024-12-02 12:51:42,891 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 66
[2024-12-02 12:51:42,891 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:51:42,891 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions.
[2024-12-02 12:51:42,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:51:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions.
[2024-12-02 12:51:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-12-02 12:51:42,892 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:51:42,892 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:51:42,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2024-12-02 12:51:43,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0
[2024-12-02 12:51:43,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt
[2024-12-02 12:51:43,293 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:51:43,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:51:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash 230370672, now seen corresponding path program 1 times
[2024-12-02 12:51:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:51:43,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554645866]
[2024-12-02 12:51:43,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:51:43,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:51:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:51:43,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:51:43,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-12-02 12:51:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:51:43,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 12:51:43,382 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:51:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-12-02 12:51:43,905 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:51:44,257 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:51:44,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554645866]
[2024-12-02 12:51:44,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554645866] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:51:44,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [864947731]
[2024-12-02 12:51:44,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:51:44,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 12:51:44,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 12:51:44,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 12:51:44,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process
[2024-12-02 12:51:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:51:44,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-12-02 12:51:44,554 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:52:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:52:01,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:52:01,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [864947731] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:52:01,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:52:01,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18
[2024-12-02 12:52:01,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906566092]
[2024-12-02 12:52:01,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:52:01,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 12:52:01,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:52:01,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 12:52:01,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420
[2024-12-02 12:52:01,152 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:52:07,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:52:07,624 INFO L93 Difference]: Finished difference Result 139 states and 174 transitions.
[2024-12-02 12:52:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 12:52:07,625 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66
[2024-12-02 12:52:07,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:52:07,626 INFO L225 Difference]: With dead ends: 139
[2024-12-02 12:52:07,626 INFO L226 Difference]: Without dead ends: 90
[2024-12-02 12:52:07,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650
[2024-12-02 12:52:07,627 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 23 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:52:07,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 269 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time]
[2024-12-02 12:52:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2024-12-02 12:52:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87.
[2024-12-02 12:52:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.125) internal successors, (72), 64 states have internal predecessors, (72), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 12:52:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions.
[2024-12-02 12:52:07,640 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 66
[2024-12-02 12:52:07,640 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:52:07,640 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions.
[2024-12-02 12:52:07,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:52:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions.
[2024-12-02 12:52:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-12-02 12:52:07,642 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:52:07,642 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:52:07,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-12-02 12:52:07,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0
[2024-12-02 12:52:08,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt
[2024-12-02 12:52:08,042 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:52:08,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:52:08,043 INFO L85 PathProgramCache]: Analyzing trace with hash -52475626, now seen corresponding path program 1 times
[2024-12-02 12:52:08,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:52:08,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511316686]
[2024-12-02 12:52:08,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:52:08,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:52:08,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:52:08,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:52:08,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2024-12-02 12:52:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:52:08,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 12:52:08,128 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:52:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-12-02 12:52:08,597 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:52:08,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:52:08,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511316686]
[2024-12-02 12:52:08,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511316686] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:52:08,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [281276437]
[2024-12-02 12:52:08,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:52:08,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-12-02 12:52:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4
[2024-12-02 12:52:08,951 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-12-02 12:52:08,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process
[2024-12-02 12:52:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:52:09,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-12-02 12:52:09,390 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:52:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-12-02 12:52:30,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:52:30,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [281276437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:52:30,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:52:30,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 20
[2024-12-02 12:52:30,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373690798]
[2024-12-02 12:52:30,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:52:30,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 12:52:30,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:52:30,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 12:52:30,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462
[2024-12-02 12:52:30,200 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:52:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:52:41,044 INFO L93 Difference]: Finished difference Result 113 states and 134 transitions.
[2024-12-02 12:52:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-12-02 12:52:41,047 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67
[2024-12-02 12:52:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:52:41,049 INFO L225 Difference]: With dead ends: 113
[2024-12-02 12:52:41,049 INFO L226 Difference]: Without dead ends: 111
[2024-12-02 12:52:41,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702
[2024-12-02 12:52:41,050 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:52:41,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 225 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time]
[2024-12-02 12:52:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-12-02 12:52:41,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 87.
[2024-12-02 12:52:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.125) internal successors, (72), 64 states have internal predecessors, (72), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 12:52:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions.
[2024-12-02 12:52:41,060 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 67
[2024-12-02 12:52:41,061 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:52:41,061 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions.
[2024-12-02 12:52:41,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-12-02 12:52:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions.
[2024-12-02 12:52:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-12-02 12:52:41,063 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:52:41,063 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:52:41,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2024-12-02 12:52:41,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0
[2024-12-02 12:52:41,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt
[2024-12-02 12:52:41,464 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:52:41,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:52:41,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1317365260, now seen corresponding path program 1 times
[2024-12-02 12:52:41,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:52:41,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220381012]
[2024-12-02 12:52:41,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:52:41,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:52:41,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:52:41,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 12:52:41,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2024-12-02 12:52:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:52:41,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-02 12:52:41,614 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:53:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 51 proven. 10 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked.
[2024-12-02 12:53:25,375 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:54:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked.
[2024-12-02 12:54:52,722 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:54:52,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220381012]
[2024-12-02 12:54:52,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220381012] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:54:52,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:54:52,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 25
[2024-12-02 12:54:52,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135001118]
[2024-12-02 12:54:52,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:54:52,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 12:54:52,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:54:52,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 12:54:52,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2024-12-02 12:54:52,724 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 12:54:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:54:58,218 INFO L93 Difference]: Finished difference Result 145 states and 179 transitions.
[2024-12-02 12:54:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-02 12:54:58,222 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 128
[2024-12-02 12:54:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:54:58,223 INFO L225 Difference]: With dead ends: 145
[2024-12-02 12:54:58,223 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 12:54:58,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930
[2024-12-02 12:54:58,224 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 113 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:54:58,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 231 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-12-02 12:54:58,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 12:54:58,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 12:54:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:54:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 12:54:58,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128
[2024-12-02 12:54:58,225 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:54:58,225 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 12:54:58,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10)
[2024-12-02 12:54:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 12:54:58,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 12:54:58,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:54:58,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2024-12-02 12:54:58,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 12:54:58,430 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:54:58,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 12:55:07,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:55:07,960 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 12:55:07,960 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 12:55:07,960 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 12:55:07,960 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 12:55:07,960 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-12-02 12:55:07,961 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 12:55:07,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:55:07 BoogieIcfgContainer
[2024-12-02 12:55:07,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:55:07,961 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:55:07,961 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:55:07,961 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:55:07,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:46" (3/4) ...
[2024-12-02 12:55:07,963 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:55:07,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-12-02 12:55:07,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-12-02 12:55:07,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 12:55:07,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 12:55:07,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:55:08,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:55:08,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:55:08,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:55:08,032 INFO L158 Benchmark]: Toolchain (without parser) took 262194.71ms. Allocated memory was 92.3MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 69.1MB in the beginning and 874.5MB in the end (delta: -805.4MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB.
[2024-12-02 12:55:08,032 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:55:08,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:55:08,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.26ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:55:08,033 INFO L158 Benchmark]: Boogie Preprocessor took 36.89ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:55:08,033 INFO L158 Benchmark]: RCFGBuilder took 339.29ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 39.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:55:08,034 INFO L158 Benchmark]: TraceAbstraction took 261492.88ms. Allocated memory was 92.3MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 68.7MB in the beginning and 879.1MB in the end (delta: -810.4MB). Peak memory consumption was 616.1MB. Max. memory is 16.1GB.
[2024-12-02 12:55:08,034 INFO L158 Benchmark]: Witness Printer took 70.25ms. Allocated memory is still 1.0GB. Free memory was 879.1MB in the beginning and 874.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:55:08,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.26ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.89ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 339.29ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 39.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 261492.88ms. Allocated memory was 92.3MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 68.7MB in the beginning and 879.1MB in the end (delta: -810.4MB). Peak memory consumption was 616.1MB. Max. memory is 16.1GB.
* Witness Printer took 70.25ms. Allocated memory is still 1.0GB. Free memory was 879.1MB in the beginning and 874.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 251.9s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 22.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 350 mSDsluCounter, 1243 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 945 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1462 IncrementalHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 298 mSDtfsCounter, 1462 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1043 GetRequests, 918 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 38.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 213.1s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 838 ConstructedInterpolants, 29 QuantifiedInterpolants, 6153 SizeOfPredicates, 91 NumberOfNonLiveVariables, 1232 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 2488/2570 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:55:08,244 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-12-02 12:55:08,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee88ab4-2b46-4e41-87fe-97ba7a7da680/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE