./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd --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 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:17:50,568 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:17:50,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:17:50,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:17:50,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:17:50,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:17:50,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:17:50,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:17:50,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:17:50,741 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:17:50,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:17:50,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:17:50,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:17:50,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:17:50,743 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:17:50,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:17:50,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:17:50,744 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:17:50,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 14:17:50,744 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:17:50,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:17:50,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:17:50,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:17:50,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:17:50,746 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:17:50,746 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:17:50,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:17:50,746 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:17:50,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:17:50,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:17:50,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:17:50,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:17:50,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:17:50,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:17:50,748 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd
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 -> 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805
[2024-11-13 14:17:51,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:17:51,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:17:51,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:17:51,196 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:17:51,197 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:17:51,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c
Unable to find full path for "g++"
[2024-11-13 14:17:53,681 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:17:54,121 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:17:54,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/sv-benchmarks/c/eca-rers2012/Problem14_label07.c
[2024-11-13 14:17:54,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/data/3d981345b/1929b84923404e1a889414d2da2f9bcd/FLAGcfa372a22
[2024-11-13 14:17:54,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/data/3d981345b/1929b84923404e1a889414d2da2f9bcd
[2024-11-13 14:17:54,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:17:54,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:17:54,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:17:54,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:17:54,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:17:54,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:17:54" (1/1) ...
[2024-11-13 14:17:54,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c9124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:54, skipping insertion in model container
[2024-11-13 14:17:54,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:17:54" (1/1) ...
[2024-11-13 14:17:54,310 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:17:54,583 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_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925]
[2024-11-13 14:17:54,846 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:17:54,858 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:17:54,891 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_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925]
[2024-11-13 14:17:55,065 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:17:55,088 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:17:55,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55 WrapperNode
[2024-11-13 14:17:55,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:17:55,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:17:55,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:17:55,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:17:55,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,216 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858
[2024-11-13 14:17:55,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:17:55,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:17:55,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:17:55,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:17:55,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,297 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-13 14:17:55,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:17:55,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:17:55,413 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:17:55,413 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:17:55,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (1/1) ...
[2024-11-13 14:17:55,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:17:55,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:17:55,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:17:55,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:17:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:17:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:17:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:17:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:17:55,582 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:17:55,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:17:57,720 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live.
[2024-11-13 14:17:57,720 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:17:57,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:17:57,752 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 14:17:57,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:17:57 BoogieIcfgContainer
[2024-11-13 14:17:57,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:17:57,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:17:57,759 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:17:57,764 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:17:57,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:17:54" (1/3) ...
[2024-11-13 14:17:57,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17774542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:17:57, skipping insertion in model container
[2024-11-13 14:17:57,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:17:55" (2/3) ...
[2024-11-13 14:17:57,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17774542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:17:57, skipping insertion in model container
[2024-11-13 14:17:57,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:17:57" (3/3) ...
[2024-11-13 14:17:57,768 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07.c
[2024-11-13 14:17:57,789 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:17:57,793 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem14_label07.c that has 1 procedures, 245 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 14:17:57,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:17:57,913 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;@6cb33edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:17:57,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:17:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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)
[2024-11-13 14:17:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-11-13 14:17:57,935 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:17:57,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:17:57,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:17:57,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:17:57,944 INFO L85 PathProgramCache]: Analyzing trace with hash 759608880, now seen corresponding path program 1 times
[2024-11-13 14:17:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:17:57,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426192399]
[2024-11-13 14:17:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:17:57,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:17:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:17:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:17:58,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:17:58,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426192399]
[2024-11-13 14:17:58,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426192399] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:17:58,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:17:58,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:17:58,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844548894]
[2024-11-13 14:17:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:17:58,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:17:58,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:17:58,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:17:58,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:17:58,545 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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)
[2024-11-13 14:18:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:00,099 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions.
[2024-11-13 14:18:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:00,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 47
[2024-11-13 14:18:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:00,117 INFO L225 Difference]: With dead ends: 669
[2024-11-13 14:18:00,118 INFO L226 Difference]: Without dead ends: 360
[2024-11-13 14:18:00,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:00,126 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 159 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:00,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 77 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 14:18:00,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2024-11-13 14:18:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360.
[2024-11-13 14:18:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.6378830083565459) internal successors, (588), 359 states have internal predecessors, (588), 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)
[2024-11-13 14:18:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions.
[2024-11-13 14:18:00,239 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 47
[2024-11-13 14:18:00,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:00,240 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions.
[2024-11-13 14:18:00,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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)
[2024-11-13 14:18:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions.
[2024-11-13 14:18:00,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-13 14:18:00,248 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:00,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:00,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 14:18:00,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:00,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:00,252 INFO L85 PathProgramCache]: Analyzing trace with hash -438420004, now seen corresponding path program 1 times
[2024-11-13 14:18:00,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:00,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654966656]
[2024-11-13 14:18:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:00,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:18:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654966656]
[2024-11-13 14:18:00,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654966656] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:00,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:00,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:18:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410977894]
[2024-11-13 14:18:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:00,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:00,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:00,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:00,721 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-13 14:18:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:01,786 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions.
[2024-11-13 14:18:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112
[2024-11-13 14:18:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:01,792 INFO L225 Difference]: With dead ends: 1074
[2024-11-13 14:18:01,793 INFO L226 Difference]: Without dead ends: 716
[2024-11-13 14:18:01,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:01,798 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:01,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 89 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:18:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states.
[2024-11-13 14:18:01,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538.
[2024-11-13 14:18:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4934823091247673) internal successors, (802), 537 states have internal predecessors, (802), 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)
[2024-11-13 14:18:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions.
[2024-11-13 14:18:01,833 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 112
[2024-11-13 14:18:01,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:01,834 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions.
[2024-11-13 14:18:01,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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)
[2024-11-13 14:18:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions.
[2024-11-13 14:18:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-11-13 14:18:01,841 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:01,845 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:01,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 14:18:01,846 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:01,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1184345025, now seen corresponding path program 1 times
[2024-11-13 14:18:01,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:01,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079189790]
[2024-11-13 14:18:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:18:02,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:02,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079189790]
[2024-11-13 14:18:02,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079189790] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:02,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:02,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:02,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886368998]
[2024-11-13 14:18:02,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:02,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:18:02,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:02,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:18:02,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:18:02,535 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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)
[2024-11-13 14:18:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:03,953 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions.
[2024-11-13 14:18:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:18:03,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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 126
[2024-11-13 14:18:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:03,958 INFO L225 Difference]: With dead ends: 1430
[2024-11-13 14:18:03,958 INFO L226 Difference]: Without dead ends: 894
[2024-11-13 14:18:03,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:03,961 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 419 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:03,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 121 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-13 14:18:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states.
[2024-11-13 14:18:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894.
[2024-11-13 14:18:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 893 states have (on average 1.3370660694288914) internal successors, (1194), 893 states have internal predecessors, (1194), 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)
[2024-11-13 14:18:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions.
[2024-11-13 14:18:03,994 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 126
[2024-11-13 14:18:03,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:03,994 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions.
[2024-11-13 14:18:03,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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)
[2024-11-13 14:18:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions.
[2024-11-13 14:18:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2024-11-13 14:18:04,001 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:04,002 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:04,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 14:18:04,002 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:04,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash 181038092, now seen corresponding path program 1 times
[2024-11-13 14:18:04,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:04,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101032753]
[2024-11-13 14:18:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:04,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-13 14:18:04,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101032753]
[2024-11-13 14:18:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101032753] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:04,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:04,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757624186]
[2024-11-13 14:18:04,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:04,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:18:04,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:04,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:18:04,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:18:04,531 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-13 14:18:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:05,686 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions.
[2024-11-13 14:18:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:18:05,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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 206
[2024-11-13 14:18:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:05,693 INFO L225 Difference]: With dead ends: 1993
[2024-11-13 14:18:05,694 INFO L226 Difference]: Without dead ends: 1072
[2024-11-13 14:18:05,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:18:05,696 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 116 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:05,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 119 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-13 14:18:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states.
[2024-11-13 14:18:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072.
[2024-11-13 14:18:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.1802054154995332) internal successors, (1264), 1071 states have internal predecessors, (1264), 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)
[2024-11-13 14:18:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions.
[2024-11-13 14:18:05,743 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 206
[2024-11-13 14:18:05,745 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:05,745 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions.
[2024-11-13 14:18:05,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-13 14:18:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions.
[2024-11-13 14:18:05,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219
[2024-11-13 14:18:05,755 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:05,756 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:05,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 14:18:05,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:05,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1611787952, now seen corresponding path program 1 times
[2024-11-13 14:18:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:05,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535938392]
[2024-11-13 14:18:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:05,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:18:06,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535938392]
[2024-11-13 14:18:06,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535938392] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632630478]
[2024-11-13 14:18:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:06,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:06,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:06,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:06,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 14:18:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:06,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:06,626 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2024-11-13 14:18:06,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:06,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632630478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:06,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:06,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-11-13 14:18:06,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882522555]
[2024-11-13 14:18:06,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:06,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:06,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:06,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:06,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:18:06,814 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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)
[2024-11-13 14:18:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:07,750 INFO L93 Difference]: Finished difference Result 2498 states and 3033 transitions.
[2024-11-13 14:18:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 218
[2024-11-13 14:18:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:07,758 INFO L225 Difference]: With dead ends: 2498
[2024-11-13 14:18:07,759 INFO L226 Difference]: Without dead ends: 1428
[2024-11-13 14:18:07,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:18:07,761 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:07,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 85 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 14:18:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states.
[2024-11-13 14:18:07,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1072.
[2024-11-13 14:18:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.1802054154995332) internal successors, (1264), 1071 states have internal predecessors, (1264), 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)
[2024-11-13 14:18:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions.
[2024-11-13 14:18:07,800 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 218
[2024-11-13 14:18:07,801 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:07,801 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions.
[2024-11-13 14:18:07,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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)
[2024-11-13 14:18:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions.
[2024-11-13 14:18:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222
[2024-11-13 14:18:07,807 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:07,808 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:07,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 14:18:08,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:08,013 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:08,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1254676394, now seen corresponding path program 1 times
[2024-11-13 14:18:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:08,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136491446]
[2024-11-13 14:18:08,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:18:08,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:08,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136491446]
[2024-11-13 14:18:08,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136491446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:08,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:08,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598535542]
[2024-11-13 14:18:08,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:08,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:08,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:08,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:08,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:08,416 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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)
[2024-11-13 14:18:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:09,298 INFO L93 Difference]: Finished difference Result 2676 states and 3213 transitions.
[2024-11-13 14:18:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:09,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 221
[2024-11-13 14:18:09,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:09,310 INFO L225 Difference]: With dead ends: 2676
[2024-11-13 14:18:09,310 INFO L226 Difference]: Without dead ends: 1606
[2024-11-13 14:18:09,312 INFO L431 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
[2024-11-13 14:18:09,313 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 111 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:09,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 58 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:18:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2024-11-13 14:18:09,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428.
[2024-11-13 14:18:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 1.156271899088998) internal successors, (1650), 1427 states have internal predecessors, (1650), 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)
[2024-11-13 14:18:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1650 transitions.
[2024-11-13 14:18:09,358 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1650 transitions. Word has length 221
[2024-11-13 14:18:09,358 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:09,358 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1650 transitions.
[2024-11-13 14:18:09,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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)
[2024-11-13 14:18:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1650 transitions.
[2024-11-13 14:18:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341
[2024-11-13 14:18:09,366 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:09,367 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:09,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 14:18:09,367 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:09,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:09,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1408840708, now seen corresponding path program 1 times
[2024-11-13 14:18:09,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:09,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773028177]
[2024-11-13 14:18:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 189 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2024-11-13 14:18:10,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:10,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773028177]
[2024-11-13 14:18:10,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773028177] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:10,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766564934]
[2024-11-13 14:18:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:10,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:10,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:10,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:10,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 14:18:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:10,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:10,358 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked.
[2024-11-13 14:18:10,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:10,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766564934] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:10,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:10,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2024-11-13 14:18:10,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463962638]
[2024-11-13 14:18:10,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:10,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:10,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:10,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:10,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:18:10,964 INFO L87 Difference]: Start difference. First operand 1428 states and 1650 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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)
[2024-11-13 14:18:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:11,844 INFO L93 Difference]: Finished difference Result 3210 states and 3788 transitions.
[2024-11-13 14:18:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:11,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 340
[2024-11-13 14:18:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:11,853 INFO L225 Difference]: With dead ends: 3210
[2024-11-13 14:18:11,853 INFO L226 Difference]: Without dead ends: 1962
[2024-11-13 14:18:11,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:18:11,856 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:11,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:18:11,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2024-11-13 14:18:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784.
[2024-11-13 14:18:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1402131239484015) internal successors, (2033), 1783 states have internal predecessors, (2033), 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)
[2024-11-13 14:18:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2033 transitions.
[2024-11-13 14:18:11,904 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2033 transitions. Word has length 340
[2024-11-13 14:18:11,906 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:11,907 INFO L471 AbstractCegarLoop]: Abstraction has 1784 states and 2033 transitions.
[2024-11-13 14:18:11,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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)
[2024-11-13 14:18:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2033 transitions.
[2024-11-13 14:18:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418
[2024-11-13 14:18:11,916 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:11,916 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:11,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-13 14:18:12,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:12,119 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:12,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:12,119 INFO L85 PathProgramCache]: Analyzing trace with hash 340585200, now seen corresponding path program 1 times
[2024-11-13 14:18:12,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:12,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202487923]
[2024-11-13 14:18:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked.
[2024-11-13 14:18:12,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:12,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202487923]
[2024-11-13 14:18:12,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202487923] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:12,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:12,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:12,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609751028]
[2024-11-13 14:18:12,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:12,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:18:12,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:12,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:18:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:18:12,810 INFO L87 Difference]: Start difference. First operand 1784 states and 2033 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:18:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:13,886 INFO L93 Difference]: Finished difference Result 3595 states and 4116 transitions.
[2024-11-13 14:18:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:18:13,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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 417
[2024-11-13 14:18:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:13,896 INFO L225 Difference]: With dead ends: 3595
[2024-11-13 14:18:13,896 INFO L226 Difference]: Without dead ends: 1962
[2024-11-13 14:18:13,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:18:13,899 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 141 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:13,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 17 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:18:13,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2024-11-13 14:18:13,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784.
[2024-11-13 14:18:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.089736399326977) internal successors, (1943), 1783 states have internal predecessors, (1943), 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)
[2024-11-13 14:18:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1943 transitions.
[2024-11-13 14:18:13,951 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1943 transitions. Word has length 417
[2024-11-13 14:18:13,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:13,952 INFO L471 AbstractCegarLoop]: Abstraction has 1784 states and 1943 transitions.
[2024-11-13 14:18:13,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:18:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1943 transitions.
[2024-11-13 14:18:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441
[2024-11-13 14:18:13,965 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:13,965 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:13,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 14:18:13,966 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:13,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:13,968 INFO L85 PathProgramCache]: Analyzing trace with hash 66645598, now seen corresponding path program 1 times
[2024-11-13 14:18:13,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:13,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688843139]
[2024-11-13 14:18:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:13,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2024-11-13 14:18:14,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:14,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688843139]
[2024-11-13 14:18:14,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688843139] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:14,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:14,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:14,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310114486]
[2024-11-13 14:18:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:14,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:14,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:14,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:14,736 INFO L87 Difference]: Start difference. First operand 1784 states and 1943 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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)
[2024-11-13 14:18:15,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:15,586 INFO L93 Difference]: Finished difference Result 4100 states and 4527 transitions.
[2024-11-13 14:18:15,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:15,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 440
[2024-11-13 14:18:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:15,597 INFO L225 Difference]: With dead ends: 4100
[2024-11-13 14:18:15,597 INFO L226 Difference]: Without dead ends: 2496
[2024-11-13 14:18:15,599 INFO L431 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
[2024-11-13 14:18:15,601 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 113 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:15,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 202 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:18:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states.
[2024-11-13 14:18:15,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2496.
[2024-11-13 14:18:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.092184368737475) internal successors, (2725), 2495 states have internal predecessors, (2725), 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)
[2024-11-13 14:18:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2725 transitions.
[2024-11-13 14:18:15,675 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2725 transitions. Word has length 440
[2024-11-13 14:18:15,676 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:15,676 INFO L471 AbstractCegarLoop]: Abstraction has 2496 states and 2725 transitions.
[2024-11-13 14:18:15,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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)
[2024-11-13 14:18:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2725 transitions.
[2024-11-13 14:18:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482
[2024-11-13 14:18:15,688 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:15,689 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:15,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 14:18:15,689 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:15,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:15,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1372230922, now seen corresponding path program 1 times
[2024-11-13 14:18:15,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:15,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229697406]
[2024-11-13 14:18:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:15,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2024-11-13 14:18:16,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:16,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229697406]
[2024-11-13 14:18:16,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229697406] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:16,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:16,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:16,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640541085]
[2024-11-13 14:18:16,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:16,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:16,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:16,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:16,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:16,051 INFO L87 Difference]: Start difference. First operand 2496 states and 2725 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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)
[2024-11-13 14:18:16,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:16,800 INFO L93 Difference]: Finished difference Result 6058 states and 6693 transitions.
[2024-11-13 14:18:16,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:16,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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 481
[2024-11-13 14:18:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:16,815 INFO L225 Difference]: With dead ends: 6058
[2024-11-13 14:18:16,815 INFO L226 Difference]: Without dead ends: 3742
[2024-11-13 14:18:16,818 INFO L431 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
[2024-11-13 14:18:16,819 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 74 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:16,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 50 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:18:16,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2024-11-13 14:18:16,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2024-11-13 14:18:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0828655439722) internal successors, (4051), 3741 states have internal predecessors, (4051), 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)
[2024-11-13 14:18:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4051 transitions.
[2024-11-13 14:18:16,924 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4051 transitions. Word has length 481
[2024-11-13 14:18:16,925 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:16,925 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 4051 transitions.
[2024-11-13 14:18:16,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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)
[2024-11-13 14:18:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4051 transitions.
[2024-11-13 14:18:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518
[2024-11-13 14:18:16,938 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:16,938 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:16,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 14:18:16,939 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:16,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash -256259228, now seen corresponding path program 1 times
[2024-11-13 14:18:16,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:16,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040430663]
[2024-11-13 14:18:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked.
[2024-11-13 14:18:17,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:17,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040430663]
[2024-11-13 14:18:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040430663] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:17,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:18:17,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:18:17,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539557683]
[2024-11-13 14:18:17,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:17,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:17,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:17,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:17,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:18:17,662 INFO L87 Difference]: Start difference. First operand 3742 states and 4051 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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)
[2024-11-13 14:18:18,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:18,483 INFO L93 Difference]: Finished difference Result 7304 states and 7921 transitions.
[2024-11-13 14:18:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:18,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 517
[2024-11-13 14:18:18,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:18,500 INFO L225 Difference]: With dead ends: 7304
[2024-11-13 14:18:18,500 INFO L226 Difference]: Without dead ends: 3742
[2024-11-13 14:18:18,504 INFO L431 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
[2024-11-13 14:18:18,505 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:18,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 242 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:18:18,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2024-11-13 14:18:18,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3208.
[2024-11-13 14:18:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.078578110383536) internal successors, (3459), 3207 states have internal predecessors, (3459), 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)
[2024-11-13 14:18:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3459 transitions.
[2024-11-13 14:18:18,598 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3459 transitions. Word has length 517
[2024-11-13 14:18:18,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:18,599 INFO L471 AbstractCegarLoop]: Abstraction has 3208 states and 3459 transitions.
[2024-11-13 14:18:18,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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)
[2024-11-13 14:18:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3459 transitions.
[2024-11-13 14:18:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637
[2024-11-13 14:18:18,609 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:18,610 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:18,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-13 14:18:18,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:18,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1349481357, now seen corresponding path program 1 times
[2024-11-13 14:18:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285998834]
[2024-11-13 14:18:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 867 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2024-11-13 14:18:19,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:19,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285998834]
[2024-11-13 14:18:19,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285998834] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:19,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728354021]
[2024-11-13 14:18:19,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:19,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:19,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:19,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-13 14:18:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:19,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:19,506 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked.
[2024-11-13 14:18:19,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:19,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728354021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:19,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:19,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:18:19,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468985290]
[2024-11-13 14:18:19,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:19,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:19,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:19,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:19,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:19,624 INFO L87 Difference]: Start difference. First operand 3208 states and 3459 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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)
[2024-11-13 14:18:20,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:20,354 INFO L93 Difference]: Finished difference Result 7304 states and 7916 transitions.
[2024-11-13 14:18:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:20,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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 636
[2024-11-13 14:18:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:20,368 INFO L225 Difference]: With dead ends: 7304
[2024-11-13 14:18:20,368 INFO L226 Difference]: Without dead ends: 4276
[2024-11-13 14:18:20,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:20,372 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 134 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:20,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 237 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:18:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states.
[2024-11-13 14:18:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098.
[2024-11-13 14:18:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0717598242616548) internal successors, (4391), 4097 states have internal predecessors, (4391), 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)
[2024-11-13 14:18:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4391 transitions.
[2024-11-13 14:18:20,466 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4391 transitions. Word has length 636
[2024-11-13 14:18:20,466 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:20,467 INFO L471 AbstractCegarLoop]: Abstraction has 4098 states and 4391 transitions.
[2024-11-13 14:18:20,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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)
[2024-11-13 14:18:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4391 transitions.
[2024-11-13 14:18:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716
[2024-11-13 14:18:20,487 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:20,488 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:20,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-13 14:18:20,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-13 14:18:20,689 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:20,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1847892068, now seen corresponding path program 1 times
[2024-11-13 14:18:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:20,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279710588]
[2024-11-13 14:18:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 1261 proven. 110 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked.
[2024-11-13 14:18:21,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:21,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279710588]
[2024-11-13 14:18:21,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279710588] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:21,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138114822]
[2024-11-13 14:18:21,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:21,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:21,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:21,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-13 14:18:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:21,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:21,709 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked.
[2024-11-13 14:18:21,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:21,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138114822] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:21,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:21,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:18:21,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942923471]
[2024-11-13 14:18:21,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:21,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:21,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:21,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:21,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:21,849 INFO L87 Difference]: Start difference. First operand 4098 states and 4391 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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)
[2024-11-13 14:18:22,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:22,659 INFO L93 Difference]: Finished difference Result 4990 states and 5330 transitions.
[2024-11-13 14:18:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:22,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 715
[2024-11-13 14:18:22,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:22,675 INFO L225 Difference]: With dead ends: 4990
[2024-11-13 14:18:22,676 INFO L226 Difference]: Without dead ends: 4988
[2024-11-13 14:18:22,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:22,678 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 155 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:22,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 21 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:18:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states.
[2024-11-13 14:18:22,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4098.
[2024-11-13 14:18:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0717598242616548) internal successors, (4391), 4097 states have internal predecessors, (4391), 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)
[2024-11-13 14:18:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4391 transitions.
[2024-11-13 14:18:22,784 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4391 transitions. Word has length 715
[2024-11-13 14:18:22,785 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:22,785 INFO L471 AbstractCegarLoop]: Abstraction has 4098 states and 4391 transitions.
[2024-11-13 14:18:22,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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)
[2024-11-13 14:18:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4391 transitions.
[2024-11-13 14:18:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797
[2024-11-13 14:18:22,812 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:22,812 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:22,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-13 14:18:23,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-13 14:18:23,017 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -831277299, now seen corresponding path program 1 times
[2024-11-13 14:18:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396736838]
[2024-11-13 14:18:23,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 1344 proven. 155 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked.
[2024-11-13 14:18:23,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:23,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396736838]
[2024-11-13 14:18:23,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396736838] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:23,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787903089]
[2024-11-13 14:18:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:23,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:23,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:23,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:23,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-13 14:18:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:24,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:24,059 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked.
[2024-11-13 14:18:24,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:24,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787903089] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:24,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:24,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:18:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055719553]
[2024-11-13 14:18:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:24,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:24,176 INFO L87 Difference]: Start difference. First operand 4098 states and 4391 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-13 14:18:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:24,892 INFO L93 Difference]: Finished difference Result 8372 states and 9038 transitions.
[2024-11-13 14:18:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:24,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 796
[2024-11-13 14:18:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:24,918 INFO L225 Difference]: With dead ends: 8372
[2024-11-13 14:18:24,919 INFO L226 Difference]: Without dead ends: 4454
[2024-11-13 14:18:24,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:24,925 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 134 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:24,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 239 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:18:24,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states.
[2024-11-13 14:18:25,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4098.
[2024-11-13 14:18:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.0727361484012692) internal successors, (4395), 4097 states have internal predecessors, (4395), 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)
[2024-11-13 14:18:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4395 transitions.
[2024-11-13 14:18:25,047 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4395 transitions. Word has length 796
[2024-11-13 14:18:25,048 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:25,048 INFO L471 AbstractCegarLoop]: Abstraction has 4098 states and 4395 transitions.
[2024-11-13 14:18:25,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-13 14:18:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4395 transitions.
[2024-11-13 14:18:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827
[2024-11-13 14:18:25,067 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:18:25,067 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:25,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-13 14:18:25,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-13 14:18:25,268 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:18:25,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:18:25,269 INFO L85 PathProgramCache]: Analyzing trace with hash 403867928, now seen corresponding path program 1 times
[2024-11-13 14:18:25,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:18:25,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890414835]
[2024-11-13 14:18:25,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:25,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:18:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1443 proven. 155 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked.
[2024-11-13 14:18:26,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:18:26,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890414835]
[2024-11-13 14:18:26,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890414835] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:18:26,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707694444]
[2024-11-13 14:18:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:18:26,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:18:26,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:18:26,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:18:26,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-13 14:18:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:18:26,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:18:26,426 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:18:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1688 trivial. 0 not checked.
[2024-11-13 14:18:26,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:18:26,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707694444] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:18:26,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:18:26,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:18:26,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507212852]
[2024-11-13 14:18:26,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:18:26,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:18:26,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:18:26,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:18:26,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:26,560 INFO L87 Difference]: Start difference. First operand 4098 states and 4395 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-13 14:18:27,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:18:27,380 INFO L93 Difference]: Finished difference Result 8904 states and 9552 transitions.
[2024-11-13 14:18:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:18:27,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 826
[2024-11-13 14:18:27,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:18:27,383 INFO L225 Difference]: With dead ends: 8904
[2024-11-13 14:18:27,384 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 14:18:27,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 829 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:18:27,392 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 134 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:18:27,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 242 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:18:27,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 14:18:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 14:18:27,394 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)
[2024-11-13 14:18:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 14:18:27,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 826
[2024-11-13 14:18:27,395 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:18:27,395 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 14:18:27,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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)
[2024-11-13 14:18:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 14:18:27,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 14:18:27,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:18:27,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-13 14:18:27,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-13 14:18:27,604 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:18:27,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 14:18:28,376 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:18:28,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:18:28 BoogieIcfgContainer
[2024-11-13 14:18:28,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:18:28,400 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:18:28,400 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:18:28,400 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:18:28,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:17:57" (3/4) ...
[2024-11-13 14:18:28,404 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 14:18:28,435 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-13 14:18:28,436 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 14:18:28,438 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 14:18:28,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 14:18:28,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 14:18:28,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 14:18:28,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:18:28,652 INFO L158 Benchmark]: Toolchain (without parser) took 34398.09ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 90.0MB in the beginning and 352.0MB in the end (delta: -262.0MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,653 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:18:28,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.17ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 57.7MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.11ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 48.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,654 INFO L158 Benchmark]: Boogie Preprocessor took 194.11ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 84.9MB in the end (delta: -36.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,654 INFO L158 Benchmark]: RCFGBuilder took 2341.50ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 63.4MB in the end (delta: 21.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,655 INFO L158 Benchmark]: TraceAbstraction took 30640.56ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 62.6MB in the beginning and 364.5MB in the end (delta: -301.9MB). Peak memory consumption was 265.8MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,656 INFO L158 Benchmark]: Witness Printer took 250.58ms. Allocated memory is still 478.2MB. Free memory was 364.5MB in the beginning and 352.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:18:28,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.62ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 834.17ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 57.7MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 126.11ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 48.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 194.11ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 84.9MB in the end (delta: -36.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB.
* RCFGBuilder took 2341.50ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 63.4MB in the end (delta: 21.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 30640.56ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 62.6MB in the beginning and 364.5MB in the end (delta: -301.9MB). Peak memory consumption was 265.8MB. Max. memory is 16.1GB.
* Witness Printer took 250.58ms. Allocated memory is still 478.2MB. Free memory was 364.5MB in the beginning and 352.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. 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: 155]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.7s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2143 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2143 mSDsluCounter, 1846 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 984 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7687 IncrementalHoareTripleChecker+Invalid, 8671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 984 mSolverCounterUnsat, 1768 mSDtfsCounter, 7687 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3575 GetRequests, 3542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=12, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 9629 NumberOfCodeBlocks, 9629 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 9608 ConstructedInterpolants, 0 QuantifiedInterpolants, 21320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4448 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 17702/18427 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 890]: Loop Invariant
Derived loop invariant: (((((((((6 <= a15) && (((long long) a12 + 43) <= 0)) && (a15 <= 8)) || ((a24 == 1) && (12 <= a12))) || (((a24 == 1) && (10 <= a21)) && (0 <= ((long long) a12 + 42)))) || ((6 <= a15) && (a24 == 1))) || ((a24 == 1) && (((long long) 49 + a12) <= 0))) || ((a24 == 1) && (a21 <= 6))) || (((((long long) a12 + 43) <= 0) && (a15 <= 8)) && (a21 <= 6)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 14:18:28,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6f6f0d-0a67-48dd-98f5-251e5425c7ac/bin/uautomizer-verify-qhAvR1uOyd/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