./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/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 2d1e69a80ea2ec160e7f546f8b8b941765eb3247ae080756d33f9de694ec8ab4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:55:40,549 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:55:40,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:55:40,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:55:40,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:55:40,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:55:40,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:55:40,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:55:40,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:55:40,637 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:55:40,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:55:40,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:55:40,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:55:40,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:55:40,637 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:55:40,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:55:40,638 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:55:40,639 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:55:40,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:55:40,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:55:40,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:55:40,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:55:40,640 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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/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 -> 2d1e69a80ea2ec160e7f546f8b8b941765eb3247ae080756d33f9de694ec8ab4
[2024-12-02 11:55:40,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:55:40,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:55:40,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:55:40,910 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:55:40,910 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:55:40,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.i
[2024-12-02 11:55:43,544 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/data/97c90d23f/306f176065d44cae878d348ed647ea75/FLAG930b1ad6f
[2024-12-02 11:55:43,744 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:55:43,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.i
[2024-12-02 11:55:43,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/data/97c90d23f/306f176065d44cae878d348ed647ea75/FLAG930b1ad6f
[2024-12-02 11:55:44,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/data/97c90d23f/306f176065d44cae878d348ed647ea75
[2024-12-02 11:55:44,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:55:44,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:55:44,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:55:44,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:55:44,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:55:44,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdc643b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44, skipping insertion in model container
[2024-12-02 11:55:44,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,109 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:55:44,242 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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.i[915,928]
[2024-12-02 11:55:44,268 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:55:44,278 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:55:44,290 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_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-56.i[915,928]
[2024-12-02 11:55:44,299 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:55:44,316 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:55:44,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44 WrapperNode
[2024-12-02 11:55:44,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:55:44,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:55:44,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:55:44,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:55:44,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,349 INFO L138 Inliner]: procedures = 26, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 44
[2024-12-02 11:55:44,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:55:44,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:55:44,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:55:44,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:55:44,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,372 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:55:44,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:55:44,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:55:44,383 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:55:44,383 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:55:44,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (1/1) ...
[2024-12-02 11:55:44,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:55:44,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:55:44,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:55:44,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:55:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:55:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:55:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:55:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:55:44,485 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:55:44,486 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:55:44,596 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-12-02 11:55:44,597 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:55:44,606 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:55:44,607 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:55:44,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:44 BoogieIcfgContainer
[2024-12-02 11:55:44,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:55:44,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:55:44,610 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:55:44,615 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:55:44,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:55:44" (1/3) ...
[2024-12-02 11:55:44,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2886123e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:55:44, skipping insertion in model container
[2024-12-02 11:55:44,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:44" (2/3) ...
[2024-12-02 11:55:44,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2886123e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:55:44, skipping insertion in model container
[2024-12-02 11:55:44,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:44" (3/3) ...
[2024-12-02 11:55:44,617 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-56.i
[2024-12-02 11:55:44,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:55:44,634 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-56.i that has 1 procedures, 19 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:55:44,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:55:44,699 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;@63969107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:55:44,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:55:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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 11:55:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 11:55:44,708 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:55:44,709 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:44,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:44,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:44,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1895752627, now seen corresponding path program 1 times
[2024-12-02 11:55:44,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:44,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032112274]
[2024-12-02 11:55:44,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:44,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:55:44,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032112274]
[2024-12-02 11:55:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032112274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:44,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:55:44,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:55:44,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552340309]
[2024-12-02 11:55:44,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:44,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:55:44,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:44,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:55:44,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:55:44,914 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 11:55:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:44,939 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions.
[2024-12-02 11:55:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:55:44,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13
[2024-12-02 11:55:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:44,947 INFO L225 Difference]: With dead ends: 31
[2024-12-02 11:55:44,947 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 11:55:44,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:55:44,951 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:44,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:55:44,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 11:55:44,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 11:55:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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 11:55:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions.
[2024-12-02 11:55:44,971 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13
[2024-12-02 11:55:44,971 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:44,971 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions.
[2024-12-02 11:55:44,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 11:55:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions.
[2024-12-02 11:55:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 11:55:44,972 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:55:44,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:44,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:55:44,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:44,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash -120745265, now seen corresponding path program 1 times
[2024-12-02 11:55:44,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:44,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178810991]
[2024-12-02 11:55:44,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:55:45,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:45,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178810991]
[2024-12-02 11:55:45,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178810991] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:45,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:55:45,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 11:55:45,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633149560]
[2024-12-02 11:55:45,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:45,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 11:55:45,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:45,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 11:55:45,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:55:45,586 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 11:55:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:45,762 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions.
[2024-12-02 11:55:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 11:55:45,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) Word has length 13
[2024-12-02 11:55:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:45,764 INFO L225 Difference]: With dead ends: 43
[2024-12-02 11:55:45,764 INFO L226 Difference]: Without dead ends: 31
[2024-12-02 11:55:45,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:55:45,765 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:45,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:55:45,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-12-02 11:55:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24.
[2024-12-02 11:55:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 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 11:55:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2024-12-02 11:55:45,770 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 13
[2024-12-02 11:55:45,770 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:45,770 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2024-12-02 11:55:45,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 11:55:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2024-12-02 11:55:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 11:55:45,771 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:55:45,771 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:45,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:55:45,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:45,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:45,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1194965726, now seen corresponding path program 1 times
[2024-12-02 11:55:45,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:45,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817712569]
[2024-12-02 11:55:45,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:45,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 11:55:45,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:45,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817712569]
[2024-12-02 11:55:45,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817712569] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:55:45,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134018064]
[2024-12-02 11:55:45,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:45,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:55:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:55:45,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:55:45,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:55:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:46,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:55:46,048 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:55:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 11:55:46,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:55:46,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134018064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:55:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9
[2024-12-02 11:55:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829134461]
[2024-12-02 11:55:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:46,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:55:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:46,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:55:46,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:55:46,212 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 11:55:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:46,270 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions.
[2024-12-02 11:55:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 11:55:46,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) Word has length 23
[2024-12-02 11:55:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:46,272 INFO L225 Difference]: With dead ends: 31
[2024-12-02 11:55:46,272 INFO L226 Difference]: Without dead ends: 29
[2024-12-02 11:55:46,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-12-02 11:55:46,273 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:46,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 47 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:55:46,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-12-02 11:55:46,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24.
[2024-12-02 11:55:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 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 11:55:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2024-12-02 11:55:46,277 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 23
[2024-12-02 11:55:46,277 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:46,277 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2024-12-02 11:55:46,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 11:55:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2024-12-02 11:55:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 11:55:46,278 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:55:46,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:46,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:55:46,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:55:46,479 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:46,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1196812768, now seen corresponding path program 1 times
[2024-12-02 11:55:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:46,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874430316]
[2024-12-02 11:55:46,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:55:46,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874430316]
[2024-12-02 11:55:46,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874430316] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:55:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078254994]
[2024-12-02 11:55:46,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:55:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:55:46,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:55:46,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 11:55:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:46,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 11:55:46,659 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:55:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:55:46,718 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:55:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:55:47,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078254994] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:55:47,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:55:47,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11
[2024-12-02 11:55:47,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950095178]
[2024-12-02 11:55:47,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:55:47,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 11:55:47,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:47,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 11:55:47,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-12-02 11:55:47,196 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 11:55:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:47,276 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions.
[2024-12-02 11:55:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 11:55:47,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) Word has length 23
[2024-12-02 11:55:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:47,277 INFO L225 Difference]: With dead ends: 29
[2024-12-02 11:55:47,277 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 11:55:47,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:55:47,279 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:47,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 80 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:55:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:55:47,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:55:47,280 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 11:55:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:55:47,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23
[2024-12-02 11:55:47,280 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:47,280 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:55:47,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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 11:55:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:55:47,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:55:47,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 11:55:47,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-12-02 11:55:47,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:55:47,486 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 11:55:47,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:55:47,504 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:55:47,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:55:47 BoogieIcfgContainer
[2024-12-02 11:55:47,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:55:47,517 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:55:47,517 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:55:47,518 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:55:47,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:44" (3/4) ...
[2024-12-02 11:55:47,520 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:55:47,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-12-02 11:55:47,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 11:55:47,528 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 11:55:47,529 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:55:47,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:55:47,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:55:47,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:55:47,598 INFO L158 Benchmark]: Toolchain (without parser) took 3507.11ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 119.7MB in the beginning and 245.0MB in the end (delta: -125.4MB). Peak memory consumption was 146.9MB. Max. memory is 16.1GB.
[2024-12-02 11:55:47,598 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:55:47,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.64ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:55:47,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.75ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:55:47,599 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:55:47,599 INFO L158 Benchmark]: RCFGBuilder took 224.34ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:55:47,600 INFO L158 Benchmark]: TraceAbstraction took 2907.24ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 94.2MB in the beginning and 250.1MB in the end (delta: -155.9MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB.
[2024-12-02 11:55:47,600 INFO L158 Benchmark]: Witness Printer took 79.98ms. Allocated memory is still 419.4MB. Free memory was 248.9MB in the beginning and 245.0MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:55:47,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 225.64ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.75ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 224.34ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2907.24ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 94.2MB in the beginning and 250.1MB in the end (delta: -155.9MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB.
* Witness Printer took 79.98ms. Allocated memory is still 419.4MB. Free memory was 248.9MB in the beginning and 245.0MB in the end (delta: 3.8MB). 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
- 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 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 49 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=2, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 8 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 38/45 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
- InvariantResult [Line: 51]: Loop Invariant
Derived loop invariant: ((((2 == var_1_1) && (8 <= last_1_var_1_4)) && (8 <= var_1_4)) || ((var_1_4 + 1) == 0))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 11:55:47,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21beb4f3-c34e-4d6e-bb1b-3c74f1e6f8f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE