./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4fc63b2a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4fc63b2
[2024-11-02 11:23:32,375 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-02 11:23:32,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-02 11:23:32,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 11:23:32,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 11:23:32,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 11:23:32,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 11:23:32,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 11:23:32,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 11:23:32,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 11:23:32,514 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-02 11:23:32,516 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-02 11:23:32,516 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-02 11:23:32,516 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-02 11:23:32,517 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-02 11:23:32,517 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-02 11:23:32,517 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-02 11:23:32,518 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-02 11:23:32,518 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-02 11:23:32,518 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-02 11:23:32,522 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-02 11:23:32,522 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-02 11:23:32,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 11:23:32,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-02 11:23:32,525 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-02 11:23:32,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-02 11:23:32,526 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-02 11:23:32,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-02 11:23:32,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 11:23:32,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 11:23:32,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 11:23:32,528 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-02 11:23:32,528 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-02 11:23:32,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-02 11:23:32,528 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-02 11:23:32,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 11:23:32,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 11:23:32,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-02 11:23:32,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 11:23:32,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 11:23:32,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 11:23:32,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 11:23:32,532 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-02 11:23:32,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-02 11:23:32,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 11:23:32,532 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-02 11:23:32,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 11:23:32,533 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226
[2024-11-02 11:23:32,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 11:23:32,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 11:23:32,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 11:23:32,883 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-02 11:23:32,884 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-02 11:23:32,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c
Unable to find full path for "g++"
[2024-11-02 11:23:34,836 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-02 11:23:35,016 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-02 11:23:35,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c
[2024-11-02 11:23:35,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/data/6c9dcf03b/e2190d6bfe3a4565897195d529652ede/FLAG82bc058c8
[2024-11-02 11:23:35,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/data/6c9dcf03b/e2190d6bfe3a4565897195d529652ede
[2024-11-02 11:23:35,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 11:23:35,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-02 11:23:35,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 11:23:35,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 11:23:35,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 11:23:35,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b52b96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35, skipping insertion in model container
[2024-11-02 11:23:35,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,452 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-02 11:23:35,642 WARN L251 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_21853f3e-3b77-4915-a6f7-badca56ac7d2/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610]
[2024-11-02 11:23:35,664 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 11:23:35,674 INFO L200 MainTranslator]: Completed pre-run
[2024-11-02 11:23:35,688 WARN L251 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_21853f3e-3b77-4915-a6f7-badca56ac7d2/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610]
[2024-11-02 11:23:35,696 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 11:23:35,712 INFO L204 MainTranslator]: Completed translation
[2024-11-02 11:23:35,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35 WrapperNode
[2024-11-02 11:23:35,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 11:23:35,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 11:23:35,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 11:23:35,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 11:23:35,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,747 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52
[2024-11-02 11:23:35,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 11:23:35,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 11:23:35,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 11:23:35,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 11:23:35,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 11:23:35,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 11:23:35,771 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 11:23:35,771 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-02 11:23:35,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (1/1) ...
[2024-11-02 11:23:35,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 11:23:35,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 11:23:35,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-02 11:23:35,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-02 11:23:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 11:23:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 11:23:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 11:23:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-02 11:23:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 11:23:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 11:23:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-02 11:23:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-02 11:23:35,930 INFO L238 CfgBuilder]: Building ICFG
[2024-11-02 11:23:35,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 11:23:36,181 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-11-02 11:23:36,182 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-02 11:23:36,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 11:23:36,264 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 11:23:36,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:36 BoogieIcfgContainer
[2024-11-02 11:23:36,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 11:23:36,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 11:23:36,271 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 11:23:36,275 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-02 11:23:36,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:35" (1/3) ...
[2024-11-02 11:23:36,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5564f273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:36, skipping insertion in model container
[2024-11-02 11:23:36,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:35" (2/3) ...
[2024-11-02 11:23:36,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5564f273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:36, skipping insertion in model container
[2024-11-02 11:23:36,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:36" (3/3) ...
[2024-11-02 11:23:36,280 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound20.c
[2024-11-02 11:23:36,300 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 11:23:36,301 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 11:23:36,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 11:23:36,383 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=FINITE_AUTOMATA, 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;@73d33291, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 11:23:36,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 11:23:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-02 11:23:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-02 11:23:36,397 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 11:23:36,398 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 11:23:36,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 11:23:36,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 11:23:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash -875772525, now seen corresponding path program 1 times
[2024-11-02 11:23:36,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-02 11:23:36,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857957422]
[2024-11-02 11:23:36,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:36,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-02 11:23:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-02 11:23:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537911111]
[2024-11-02 11:23:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 11:23:36,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 11:23:36,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 11:23:36,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-02 11:23:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 11:23:36,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-02 11:23:36,686 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 11:23:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-02 11:23:36,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 11:23:36,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-02 11:23:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857957422]
[2024-11-02 11:23:36,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-02 11:23:36,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537911111]
[2024-11-02 11:23:36,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537911111] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 11:23:36,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 11:23:36,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-02 11:23:36,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483438425]
[2024-11-02 11:23:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 11:23:36,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-02 11:23:36,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-02 11:23:36,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-02 11:23:36,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-02 11:23:36,929 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-02 11:23:37,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 11:23:37,100 INFO L93 Difference]: Finished difference Result 43 states and 58 transitions.
[2024-11-02 11:23:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-02 11:23:37,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14
[2024-11-02 11:23:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 11:23:37,112 INFO L225 Difference]: With dead ends: 43
[2024-11-02 11:23:37,112 INFO L226 Difference]: Without dead ends: 27
[2024-11-02 11:23:37,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-02 11:23:37,120 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-02 11:23:37,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 55 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-02 11:23:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-11-02 11:23:37,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24.
[2024-11-02 11:23:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-02 11:23:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2024-11-02 11:23:37,177 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14
[2024-11-02 11:23:37,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 11:23:37,179 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2024-11-02 11:23:37,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-02 11:23:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2024-11-02 11:23:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-02 11:23:37,185 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 11:23:37,185 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 11:23:37,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-02 11:23:37,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-02 11:23:37,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 11:23:37,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 11:23:37,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1666391625, now seen corresponding path program 1 times
[2024-11-02 11:23:37,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-02 11:23:37,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720394289]
[2024-11-02 11:23:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-02 11:23:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 11:23:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-02 11:23:37,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-02 11:23:37,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720394289]
[2024-11-02 11:23:37,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720394289] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-02 11:23:37,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225246356]
[2024-11-02 11:23:37,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:37,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 11:23:37,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 11:23:37,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 11:23:37,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-02 11:23:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 11:23:37,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-02 11:23:37,853 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 11:23:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-02 11:23:37,962 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 11:23:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-02 11:23:38,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225246356] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 11:23:38,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [778627278]
[2024-11-02 11:23:38,090 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest
[2024-11-02 11:23:38,090 INFO L166 IcfgInterpreter]: Building call graph
[2024-11-02 11:23:38,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-02 11:23:38,115 INFO L176 IcfgInterpreter]: Starting interpretation
[2024-11-02 11:23:38,116 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-02 11:23:38,800 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs
[2024-11-02 11:23:38,827 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs
[2024-11-02 11:23:38,915 INFO L180 IcfgInterpreter]: Interpretation finished
[2024-11-02 11:23:39,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [778627278] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 11:23:39,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-02 11:23:39,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5, 5, 5] total 18
[2024-11-02 11:23:39,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275538921]
[2024-11-02 11:23:39,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 11:23:39,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-02 11:23:39,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-02 11:23:39,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-02 11:23:39,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306
[2024-11-02 11:23:39,854 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 11:23:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 11:23:40,042 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions.
[2024-11-02 11:23:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-02 11:23:40,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21
[2024-11-02 11:23:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 11:23:40,044 INFO L225 Difference]: With dead ends: 33
[2024-11-02 11:23:40,044 INFO L226 Difference]: Without dead ends: 25
[2024-11-02 11:23:40,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306
[2024-11-02 11:23:40,046 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-02 11:23:40,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 30 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-02 11:23:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-02 11:23:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-02 11:23:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-02 11:23:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions.
[2024-11-02 11:23:40,066 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21
[2024-11-02 11:23:40,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 11:23:40,067 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions.
[2024-11-02 11:23:40,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 11:23:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions.
[2024-11-02 11:23:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-02 11:23:40,069 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 11:23:40,069 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 11:23:40,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-02 11:23:40,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 11:23:40,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 11:23:40,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 11:23:40,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1069731805, now seen corresponding path program 1 times
[2024-11-02 11:23:40,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-02 11:23:40,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284615190]
[2024-11-02 11:23:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-02 11:23:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-02 11:23:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912853787]
[2024-11-02 11:23:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 11:23:40,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 11:23:40,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 11:23:40,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 11:23:40,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-02 11:23:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 11:23:40,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-02 11:23:40,379 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 11:23:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-02 11:23:40,790 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 11:23:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-02 11:23:41,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-02 11:23:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284615190]
[2024-11-02 11:23:41,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-02 11:23:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912853787]
[2024-11-02 11:23:41,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912853787] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 11:23:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1452498585]
[2024-11-02 11:23:41,064 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest
[2024-11-02 11:23:41,064 INFO L166 IcfgInterpreter]: Building call graph
[2024-11-02 11:23:41,064 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-02 11:23:41,065 INFO L176 IcfgInterpreter]: Starting interpretation
[2024-11-02 11:23:41,065 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-02 11:23:41,497 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs
[2024-11-02 11:23:41,518 INFO L180 IcfgInterpreter]: Interpretation finished
[2024-11-02 11:23:42,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1452498585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 11:23:42,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-11-02 11:23:42,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 6] total 18
[2024-11-02 11:23:42,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810531368]
[2024-11-02 11:23:42,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 11:23:42,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-02 11:23:42,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-02 11:23:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-02 11:23:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306
[2024-11-02 11:23:42,187 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 11:23:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 11:23:42,244 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions.
[2024-11-02 11:23:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-02 11:23:42,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21
[2024-11-02 11:23:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 11:23:42,246 INFO L225 Difference]: With dead ends: 25
[2024-11-02 11:23:42,246 INFO L226 Difference]: Without dead ends: 0
[2024-11-02 11:23:42,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306
[2024-11-02 11:23:42,248 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 11:23:42,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 11:23:42,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-02 11:23:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-02 11:23:42,250 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)
[2024-11-02 11:23:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-02 11:23:42,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2024-11-02 11:23:42,251 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 11:23:42,251 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-02 11:23:42,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 11:23:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-02 11:23:42,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-02 11:23:42,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-02 11:23:42,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-02 11:23:42,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 11:23:42,464 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-02 11:23:42,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-02 11:23:43,038 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-02 11:23:43,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,070 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-02 11:23:43,073 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,074 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,077 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,080 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,081 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,082 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,082 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,082 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,083 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,085 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,086 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,086 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,087 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,127 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,128 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,128 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-02 11:23:43,128 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,129 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,129 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,129 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,130 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,130 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,130 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,130 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,133 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,133 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,133 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,134 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,134 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,134 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,134 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,135 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-02 11:23:43,135 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,135 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,136 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,137 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,138 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,139 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-02 11:23:43,140 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,140 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,141 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,141 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,141 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,141 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,145 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-02 11:23:43,146 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-02 11:23:43,146 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,147 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,147 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-02 11:23:43,147 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-02 11:23:43,147 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,148 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,148 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,148 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-02 11:23:43,148 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-02 11:23:43,149 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-02 11:23:43,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:23:43 BoogieIcfgContainer
[2024-11-02 11:23:43,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-02 11:23:43,160 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-02 11:23:43,161 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-02 11:23:43,161 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-02 11:23:43,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:36" (3/4) ...
[2024-11-02 11:23:43,168 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-02 11:23:43,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-02 11:23:43,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-02 11:23:43,182 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-02 11:23:43,182 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-02 11:23:43,182 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-02 11:23:43,182 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-02 11:23:43,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/witness.graphml
[2024-11-02 11:23:43,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/witness.yml
[2024-11-02 11:23:43,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-02 11:23:43,289 INFO L158 Benchmark]: Toolchain (without parser) took 7867.41ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 92.9MB in the beginning and 130.0MB in the end (delta: -37.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,289 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-02 11:23:43,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 132.1MB. Free memory was 92.9MB in the beginning and 80.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.22ms. Allocated memory is still 132.1MB. Free memory was 80.3MB in the beginning and 78.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,290 INFO L158 Benchmark]: Boogie Preprocessor took 21.12ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 988.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-02 11:23:43,291 INFO L158 Benchmark]: RCFGBuilder took 493.85ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,291 INFO L158 Benchmark]: TraceAbstraction took 6892.76ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 63.6MB in the beginning and 135.2MB in the end (delta: -71.6MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,291 INFO L158 Benchmark]: Witness Printer took 127.61ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 130.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-02 11:23:43,293 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 98.6MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 132.1MB. Free memory was 92.9MB in the beginning and 80.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.22ms. Allocated memory is still 132.1MB. Free memory was 80.3MB in the beginning and 78.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 21.12ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 988.2kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 493.85ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 6892.76ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 63.6MB in the beginning and 135.2MB in the end (delta: -71.6MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB.
* Witness Printer took 127.61ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 130.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #length
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #valid
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
* 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: 16]: 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 23 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 101 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=2, InterpolantAutomatonStates: 28, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 9 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/26 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: OVERALL_TIME: 1.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 30, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 27, TOOLS_POST_TIME: 0.3s, TOOLS_POST_CALL_APPLICATIONS: 19, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 60, TOOLS_QUANTIFIERELIM_TIME: 0.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 303, DAG_COMPRESSION_RETAINED_NODES: 107, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 32]: Loop Invariant
Derived loop invariant: (((((((X <= 20) && (0 <= Y)) && (y == 0)) && (((long long) 2 * Y) == ((__int128) X + v))) && (Y <= 20)) && (0 <= X)) && (x == 0))
- ProcedureContractResult [Line: 10]: Procedure Contract for assume_abort_if_not
Derived contract for procedure assume_abort_if_not. Ensures: (cond == 1)
- ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0
RESULT: Ultimate proved your program to be correct!
[2024-11-02 11:23:43,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21853f3e-3b77-4915-a6f7-badca56ac7d2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE