./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label04.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7526302199d1f3bb6abcb37def785df856d340db371e981c5460527e95177be0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:05:14,268 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:05:14,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:05:14,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:05:14,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:05:14,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:05:14,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:05:14,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:05:14,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:05:14,347 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:05:14,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:05:14,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:05:14,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:05:14,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:05:14,348 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:05:14,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:05:14,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:05:14,348 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:05:14,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:05:14,349 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:05:14,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:05:14,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:05:14,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:05:14,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:05:14,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:05:14,351 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_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7526302199d1f3bb6abcb37def785df856d340db371e981c5460527e95177be0
[2024-12-02 12:05:14,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:05:14,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:05:14,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:05:14,567 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:05:14,567 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:05:14,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem15_label04.c
[2024-12-02 12:05:17,270 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/data/6ab0662e1/794d28f132a34d429b59a450440e7899/FLAGf40dfaaf2
[2024-12-02 12:05:17,588 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:05:17,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/sv-benchmarks/c/eca-rers2012/Problem15_label04.c
[2024-12-02 12:05:17,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/data/6ab0662e1/794d28f132a34d429b59a450440e7899/FLAGf40dfaaf2
[2024-12-02 12:05:17,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/data/6ab0662e1/794d28f132a34d429b59a450440e7899
[2024-12-02 12:05:17,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:05:17,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:05:17,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:05:17,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:05:17,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:05:17,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:17" (1/1) ...
[2024-12-02 12:05:17,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371ce55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:17, skipping insertion in model container
[2024-12-02 12:05:17,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:17" (1/1) ...
[2024-12-02 12:05:17,664 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:05:17,806 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_55199fa0-8bc7-4040-a252-5dd68550e329/sv-benchmarks/c/eca-rers2012/Problem15_label04.c[3915,3928]
[2024-12-02 12:05:18,098 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:05:18,105 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:05:18,118 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_55199fa0-8bc7-4040-a252-5dd68550e329/sv-benchmarks/c/eca-rers2012/Problem15_label04.c[3915,3928]
[2024-12-02 12:05:18,278 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:05:18,290 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:05:18,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18 WrapperNode
[2024-12-02 12:05:18,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:05:18,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:05:18,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:05:18,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:05:18,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,424 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759
[2024-12-02 12:05:18,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:05:18,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:05:18,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:05:18,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:05:18,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,551 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:05:18,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,606 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:05:18,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:05:18,687 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:05:18,687 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:05:18,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (1/1) ...
[2024-12-02 12:05:18,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:05:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:05:18,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:05:18,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:05:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:05:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:05:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:05:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:05:18,806 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:05:18,808 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:05:21,269 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live.
[2024-12-02 12:05:21,270 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:05:21,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:05:21,288 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:05:21,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:21 BoogieIcfgContainer
[2024-12-02 12:05:21,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:05:21,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:05:21,290 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:05:21,295 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:05:21,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:05:17" (1/3) ...
[2024-12-02 12:05:21,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd34f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:21, skipping insertion in model container
[2024-12-02 12:05:21,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:18" (2/3) ...
[2024-12-02 12:05:21,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd34f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:21, skipping insertion in model container
[2024-12-02 12:05:21,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:21" (3/3) ...
[2024-12-02 12:05:21,297 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem15_label04.c
[2024-12-02 12:05:21,312 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:05:21,314 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem15_label04.c that has 1 procedures, 424 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:05:21,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:05:21,388 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;@7e4352ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:05:21,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:05:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 12:05:21,399 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:21,399 INFO L218 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]
[2024-12-02 12:05:21,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:21,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:21,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1843609039, now seen corresponding path program 1 times
[2024-12-02 12:05:21,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:21,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246556247]
[2024-12-02 12:05:21,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:05:21,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:21,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246556247]
[2024-12-02 12:05:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246556247] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:21,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:21,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:05:21,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880571401]
[2024-12-02 12:05:21,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:21,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:21,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:21,698 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:23,515 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions.
[2024-12-02 12:05:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:23,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 31
[2024-12-02 12:05:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:23,524 INFO L225 Difference]: With dead ends: 1155
[2024-12-02 12:05:23,524 INFO L226 Difference]: Without dead ends: 667
[2024-12-02 12:05:23,526 INFO L434 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
[2024-12-02 12:05:23,528 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 313 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:23,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-12-02 12:05:23,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states.
[2024-12-02 12:05:23,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665.
[2024-12-02 12:05:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions.
[2024-12-02 12:05:23,580 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 31
[2024-12-02 12:05:23,580 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:23,580 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions.
[2024-12-02 12:05:23,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions.
[2024-12-02 12:05:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-12-02 12:05:23,583 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:23,583 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:23,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:05:23,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:23,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2056552649, now seen corresponding path program 1 times
[2024-12-02 12:05:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:23,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842608426]
[2024-12-02 12:05:23,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:23,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:05:23,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:23,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842608426]
[2024-12-02 12:05:23,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842608426] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:23,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:23,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:05:23,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611724705]
[2024-12-02 12:05:23,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:23,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:23,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:23,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:23,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:23,813 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:25,890 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions.
[2024-12-02 12:05:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:25,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 106
[2024-12-02 12:05:25,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:25,894 INFO L225 Difference]: With dead ends: 1955
[2024-12-02 12:05:25,894 INFO L226 Difference]: Without dead ends: 1292
[2024-12-02 12:05:25,895 INFO L434 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
[2024-12-02 12:05:25,896 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:25,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 12:05:25,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states.
[2024-12-02 12:05:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282.
[2024-12-02 12:05:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions.
[2024-12-02 12:05:25,926 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 106
[2024-12-02 12:05:25,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:25,927 INFO L471 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions.
[2024-12-02 12:05:25,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions.
[2024-12-02 12:05:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-12-02 12:05:25,929 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:25,929 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:25,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:05:25,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:25,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:25,930 INFO L85 PathProgramCache]: Analyzing trace with hash -25567935, now seen corresponding path program 1 times
[2024-12-02 12:05:25,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:25,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651149179]
[2024-12-02 12:05:25,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:05:26,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:26,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651149179]
[2024-12-02 12:05:26,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651149179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:26,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:26,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:05:26,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487870877]
[2024-12-02 12:05:26,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:26,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:26,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:26,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:26,116 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:27,735 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions.
[2024-12-02 12:05:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:27,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 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 110
[2024-12-02 12:05:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:27,740 INFO L225 Difference]: With dead ends: 3764
[2024-12-02 12:05:27,740 INFO L226 Difference]: Without dead ends: 2484
[2024-12-02 12:05:27,742 INFO L434 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
[2024-12-02 12:05:27,743 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:27,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-12-02 12:05:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states.
[2024-12-02 12:05:27,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182.
[2024-12-02 12:05:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions.
[2024-12-02 12:05:27,774 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 110
[2024-12-02 12:05:27,774 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:27,774 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions.
[2024-12-02 12:05:27,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions.
[2024-12-02 12:05:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2024-12-02 12:05:27,778 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:27,778 INFO L218 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, 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, 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]
[2024-12-02 12:05:27,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:05:27,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:27,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:27,779 INFO L85 PathProgramCache]: Analyzing trace with hash -257680628, now seen corresponding path program 1 times
[2024-12-02 12:05:27,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:27,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750486706]
[2024-12-02 12:05:27,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:27,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 12:05:27,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:27,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750486706]
[2024-12-02 12:05:27,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750486706] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:27,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:27,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:05:27,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250658465]
[2024-12-02 12:05:27,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:27,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:27,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:27,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:27,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:27,992 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:29,475 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions.
[2024-12-02 12:05:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 201
[2024-12-02 12:05:29,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:29,487 INFO L225 Difference]: With dead ends: 6166
[2024-12-02 12:05:29,487 INFO L226 Difference]: Without dead ends: 3986
[2024-12-02 12:05:29,490 INFO L434 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
[2024-12-02 12:05:29,490 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:29,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 12:05:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states.
[2024-12-02 12:05:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682.
[2024-12-02 12:05:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions.
[2024-12-02 12:05:29,565 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 201
[2024-12-02 12:05:29,566 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:29,566 INFO L471 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions.
[2024-12-02 12:05:29,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions.
[2024-12-02 12:05:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304
[2024-12-02 12:05:29,571 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:29,571 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:29,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 12:05:29,571 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash 593446436, now seen corresponding path program 1 times
[2024-12-02 12:05:29,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:29,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431628917]
[2024-12-02 12:05:29,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-12-02 12:05:30,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:30,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431628917]
[2024-12-02 12:05:30,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431628917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:05:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921920535]
[2024-12-02 12:05:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:30,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:30,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:30,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:30,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:30,319 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:31,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:31,583 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions.
[2024-12-02 12:05:31,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:31,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 303
[2024-12-02 12:05:31,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:31,591 INFO L225 Difference]: With dead ends: 7661
[2024-12-02 12:05:31,591 INFO L226 Difference]: Without dead ends: 3981
[2024-12-02 12:05:31,593 INFO L434 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
[2024-12-02 12:05:31,594 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:31,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 12:05:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states.
[2024-12-02 12:05:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981.
[2024-12-02 12:05:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions.
[2024-12-02 12:05:31,653 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 303
[2024-12-02 12:05:31,653 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:31,653 INFO L471 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions.
[2024-12-02 12:05:31,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions.
[2024-12-02 12:05:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-12-02 12:05:31,657 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:31,657 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:31,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 12:05:31,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:31,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:31,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1446697707, now seen corresponding path program 1 times
[2024-12-02 12:05:31,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:31,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983732511]
[2024-12-02 12:05:31,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:31,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-12-02 12:05:31,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:31,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983732511]
[2024-12-02 12:05:31,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983732511] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:31,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:31,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932560654]
[2024-12-02 12:05:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:31,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:31,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:31,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:31,971 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:33,635 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions.
[2024-12-02 12:05:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 318
[2024-12-02 12:05:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:33,645 INFO L225 Difference]: With dead ends: 9465
[2024-12-02 12:05:33,645 INFO L226 Difference]: Without dead ends: 5785
[2024-12-02 12:05:33,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:33,649 INFO L435 NwaCegarLoop]: 632 mSDtfsCounter, 285 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:33,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-12-02 12:05:33,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states.
[2024-12-02 12:05:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783.
[2024-12-02 12:05:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions.
[2024-12-02 12:05:33,741 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 318
[2024-12-02 12:05:33,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:33,741 INFO L471 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions.
[2024-12-02 12:05:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions.
[2024-12-02 12:05:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378
[2024-12-02 12:05:33,748 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:33,749 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:33,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 12:05:33,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:33,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash 958857170, now seen corresponding path program 1 times
[2024-12-02 12:05:33,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:33,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757640190]
[2024-12-02 12:05:33,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:33,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-12-02 12:05:34,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:34,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757640190]
[2024-12-02 12:05:34,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757640190] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:34,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:34,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:34,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862478782]
[2024-12-02 12:05:34,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:34,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:34,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:34,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:34,188 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:35,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:35,515 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions.
[2024-12-02 12:05:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:35,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 377
[2024-12-02 12:05:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:35,526 INFO L225 Difference]: With dead ends: 13364
[2024-12-02 12:05:35,527 INFO L226 Difference]: Without dead ends: 7882
[2024-12-02 12:05:35,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:35,530 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 296 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:35,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:05:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states.
[2024-12-02 12:05:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284.
[2024-12-02 12:05:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions.
[2024-12-02 12:05:35,607 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 377
[2024-12-02 12:05:35,608 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:35,608 INFO L471 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions.
[2024-12-02 12:05:35,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions.
[2024-12-02 12:05:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393
[2024-12-02 12:05:35,615 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:35,616 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:35,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:05:35,616 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:35,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:35,617 INFO L85 PathProgramCache]: Analyzing trace with hash -160324221, now seen corresponding path program 1 times
[2024-12-02 12:05:35,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:35,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756226781]
[2024-12-02 12:05:35,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-12-02 12:05:35,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:35,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756226781]
[2024-12-02 12:05:35,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756226781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:35,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:35,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:35,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942853971]
[2024-12-02 12:05:35,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:35,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:35,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:35,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:35,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:35,942 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:37,294 INFO L93 Difference]: Finished difference Result 16958 states and 19732 transitions.
[2024-12-02 12:05:37,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:37,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 392
[2024-12-02 12:05:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:37,309 INFO L225 Difference]: With dead ends: 16958
[2024-12-02 12:05:37,309 INFO L226 Difference]: Without dead ends: 9975
[2024-12-02 12:05:37,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:37,314 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 283 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:37,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 320 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:05:37,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states.
[2024-12-02 12:05:37,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 6680.
[2024-12-02 12:05:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6680 states, 6679 states have (on average 1.1573588860607875) internal successors, (7730), 6679 states have internal predecessors, (7730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6680 states to 6680 states and 7730 transitions.
[2024-12-02 12:05:37,374 INFO L78 Accepts]: Start accepts. Automaton has 6680 states and 7730 transitions. Word has length 392
[2024-12-02 12:05:37,375 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:37,375 INFO L471 AbstractCegarLoop]: Abstraction has 6680 states and 7730 transitions.
[2024-12-02 12:05:37,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 6680 states and 7730 transitions.
[2024-12-02 12:05:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395
[2024-12-02 12:05:37,377 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:37,377 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:37,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 12:05:37,377 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:37,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 16466699, now seen corresponding path program 1 times
[2024-12-02 12:05:37,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:37,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2672443]
[2024-12-02 12:05:37,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:37,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:05:37,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:37,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2672443]
[2024-12-02 12:05:37,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2672443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:37,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:37,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:37,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849279569]
[2024-12-02 12:05:37,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:37,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:37,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:37,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:37,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:37,720 INFO L87 Difference]: Start difference. First operand 6680 states and 7730 transitions. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:39,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:39,053 INFO L93 Difference]: Finished difference Result 14859 states and 17538 transitions.
[2024-12-02 12:05:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:39,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 394
[2024-12-02 12:05:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:39,063 INFO L225 Difference]: With dead ends: 14859
[2024-12-02 12:05:39,064 INFO L226 Difference]: Without dead ends: 8480
[2024-12-02 12:05:39,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:39,067 INFO L435 NwaCegarLoop]: 584 mSDtfsCounter, 248 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:39,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 621 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:05:39,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8480 states.
[2024-12-02 12:05:39,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8480 to 7877.
[2024-12-02 12:05:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7877 states, 7876 states have (on average 1.1448704926358557) internal successors, (9017), 7876 states have internal predecessors, (9017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7877 states to 7877 states and 9017 transitions.
[2024-12-02 12:05:39,124 INFO L78 Accepts]: Start accepts. Automaton has 7877 states and 9017 transitions. Word has length 394
[2024-12-02 12:05:39,125 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:39,125 INFO L471 AbstractCegarLoop]: Abstraction has 7877 states and 9017 transitions.
[2024-12-02 12:05:39,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7877 states and 9017 transitions.
[2024-12-02 12:05:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496
[2024-12-02 12:05:39,127 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:39,127 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:39,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 12:05:39,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:39,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:39,128 INFO L85 PathProgramCache]: Analyzing trace with hash -204355091, now seen corresponding path program 1 times
[2024-12-02 12:05:39,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:39,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215275655]
[2024-12-02 12:05:39,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:39,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked.
[2024-12-02 12:05:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:39,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215275655]
[2024-12-02 12:05:39,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215275655] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:39,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:39,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873480076]
[2024-12-02 12:05:39,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:39,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:39,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:39,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:39,311 INFO L87 Difference]: Start difference. First operand 7877 states and 9017 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:40,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:40,628 INFO L93 Difference]: Finished difference Result 17844 states and 20684 transitions.
[2024-12-02 12:05:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:40,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 495
[2024-12-02 12:05:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:40,641 INFO L225 Difference]: With dead ends: 17844
[2024-12-02 12:05:40,641 INFO L226 Difference]: Without dead ends: 10268
[2024-12-02 12:05:40,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:40,645 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 384 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:40,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:05:40,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10268 states.
[2024-12-02 12:05:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10268 to 10268.
[2024-12-02 12:05:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10268 states, 10267 states have (on average 1.1469757475406643) internal successors, (11776), 10267 states have internal predecessors, (11776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10268 states to 10268 states and 11776 transitions.
[2024-12-02 12:05:40,721 INFO L78 Accepts]: Start accepts. Automaton has 10268 states and 11776 transitions. Word has length 495
[2024-12-02 12:05:40,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:40,721 INFO L471 AbstractCegarLoop]: Abstraction has 10268 states and 11776 transitions.
[2024-12-02 12:05:40,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 10268 states and 11776 transitions.
[2024-12-02 12:05:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520
[2024-12-02 12:05:40,724 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:40,724 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:40,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 12:05:40,724 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:40,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1423531700, now seen corresponding path program 1 times
[2024-12-02 12:05:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:40,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754754705]
[2024-12-02 12:05:40,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked.
[2024-12-02 12:05:41,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754754705]
[2024-12-02 12:05:41,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754754705] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:41,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:41,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:41,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353889072]
[2024-12-02 12:05:41,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:41,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:41,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:41,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:41,102 INFO L87 Difference]: Start difference. First operand 10268 states and 11776 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:42,541 INFO L93 Difference]: Finished difference Result 25033 states and 28940 transitions.
[2024-12-02 12:05:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:42,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 519
[2024-12-02 12:05:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:42,569 INFO L225 Difference]: With dead ends: 25033
[2024-12-02 12:05:42,570 INFO L226 Difference]: Without dead ends: 15066
[2024-12-02 12:05:42,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:42,578 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:42,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 621 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 12:05:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15066 states.
[2024-12-02 12:05:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15066 to 14457.
[2024-12-02 12:05:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14457 states, 14456 states have (on average 1.1329551743220807) internal successors, (16378), 14456 states have internal predecessors, (16378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14457 states to 14457 states and 16378 transitions.
[2024-12-02 12:05:42,788 INFO L78 Accepts]: Start accepts. Automaton has 14457 states and 16378 transitions. Word has length 519
[2024-12-02 12:05:42,789 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:42,789 INFO L471 AbstractCegarLoop]: Abstraction has 14457 states and 16378 transitions.
[2024-12-02 12:05:42,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 14457 states and 16378 transitions.
[2024-12-02 12:05:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587
[2024-12-02 12:05:42,795 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:42,796 INFO L218 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:42,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 12:05:42,796 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:42,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1199657310, now seen corresponding path program 1 times
[2024-12-02 12:05:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888498446]
[2024-12-02 12:05:42,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 554 proven. 39 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked.
[2024-12-02 12:05:43,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888498446]
[2024-12-02 12:05:43,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888498446] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:05:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72565267]
[2024-12-02 12:05:43,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:43,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:05:43,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:05:43,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:05:43,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:05:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:43,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-12-02 12:05:43,640 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:05:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 554 proven. 39 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked.
[2024-12-02 12:05:44,415 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:05:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 554 proven. 39 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked.
[2024-12-02 12:05:45,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72565267] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:05:45,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:05:45,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8
[2024-12-02 12:05:45,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395338462]
[2024-12-02 12:05:45,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:05:45,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 12:05:45,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:45,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 12:05:45,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-12-02 12:05:45,190 INFO L87 Difference]: Start difference. First operand 14457 states and 16378 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:50,945 INFO L93 Difference]: Finished difference Result 36947 states and 41592 transitions.
[2024-12-02 12:05:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-02 12:05:50,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 586
[2024-12-02 12:05:50,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:50,972 INFO L225 Difference]: With dead ends: 36947
[2024-12-02 12:05:50,972 INFO L226 Difference]: Without dead ends: 17149
[2024-12-02 12:05:50,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1181 GetRequests, 1167 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240
[2024-12-02 12:05:50,981 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 3100 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 5492 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 6185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 5492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:50,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 270 Invalid, 6185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 5492 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-12-02 12:05:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17149 states.
[2024-12-02 12:05:51,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17149 to 12661.
[2024-12-02 12:05:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12661 states, 12660 states have (on average 1.0695102685624012) internal successors, (13540), 12660 states have internal predecessors, (13540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12661 states to 12661 states and 13540 transitions.
[2024-12-02 12:05:51,087 INFO L78 Accepts]: Start accepts. Automaton has 12661 states and 13540 transitions. Word has length 586
[2024-12-02 12:05:51,087 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:51,087 INFO L471 AbstractCegarLoop]: Abstraction has 12661 states and 13540 transitions.
[2024-12-02 12:05:51,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12661 states and 13540 transitions.
[2024-12-02 12:05:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612
[2024-12-02 12:05:51,090 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:51,090 INFO L218 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:51,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:05:51,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 12:05:51,291 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:51,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:51,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1419630877, now seen corresponding path program 1 times
[2024-12-02 12:05:51,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:51,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35639221]
[2024-12-02 12:05:51,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:51,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked.
[2024-12-02 12:05:51,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:51,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35639221]
[2024-12-02 12:05:51,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35639221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:51,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472257575]
[2024-12-02 12:05:51,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:51,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:51,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:51,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:51,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:51,576 INFO L87 Difference]: Start difference. First operand 12661 states and 13540 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:52,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:52,427 INFO L93 Difference]: Finished difference Result 25318 states and 27088 transitions.
[2024-12-02 12:05:52,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:52,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 611
[2024-12-02 12:05:52,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:52,450 INFO L225 Difference]: With dead ends: 25318
[2024-12-02 12:05:52,450 INFO L226 Difference]: Without dead ends: 12958
[2024-12-02 12:05:52,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:52,458 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 437 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:52,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 69 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 12:05:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12958 states.
[2024-12-02 12:05:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12958 to 12659.
[2024-12-02 12:05:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12659 states, 12658 states have (on average 1.0693632485384736) internal successors, (13536), 12658 states have internal predecessors, (13536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12659 states to 12659 states and 13536 transitions.
[2024-12-02 12:05:52,595 INFO L78 Accepts]: Start accepts. Automaton has 12659 states and 13536 transitions. Word has length 611
[2024-12-02 12:05:52,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:52,596 INFO L471 AbstractCegarLoop]: Abstraction has 12659 states and 13536 transitions.
[2024-12-02 12:05:52,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states and 13536 transitions.
[2024-12-02 12:05:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633
[2024-12-02 12:05:52,601 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:52,602 INFO L218 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:52,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 12:05:52,602 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:52,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 285685428, now seen corresponding path program 1 times
[2024-12-02 12:05:52,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274675799]
[2024-12-02 12:05:52,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2024-12-02 12:05:53,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:53,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274675799]
[2024-12-02 12:05:53,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274675799] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:53,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:53,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:53,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018156151]
[2024-12-02 12:05:53,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:53,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:53,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:53,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:53,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:53,357 INFO L87 Difference]: Start difference. First operand 12659 states and 13536 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:54,219 INFO L93 Difference]: Finished difference Result 25322 states and 27077 transitions.
[2024-12-02 12:05:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:54,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 632
[2024-12-02 12:05:54,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:54,229 INFO L225 Difference]: With dead ends: 25322
[2024-12-02 12:05:54,229 INFO L226 Difference]: Without dead ends: 12665
[2024-12-02 12:05:54,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:54,235 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 344 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:54,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 140 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 12:05:54,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12665 states.
[2024-12-02 12:05:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12665 to 12061.
[2024-12-02 12:05:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 12060 states have (on average 1.055721393034826) internal successors, (12732), 12060 states have internal predecessors, (12732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 12732 transitions.
[2024-12-02 12:05:54,318 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 12732 transitions. Word has length 632
[2024-12-02 12:05:54,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:54,319 INFO L471 AbstractCegarLoop]: Abstraction has 12061 states and 12732 transitions.
[2024-12-02 12:05:54,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 12732 transitions.
[2024-12-02 12:05:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657
[2024-12-02 12:05:54,323 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:54,323 INFO L218 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, 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, 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, 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, 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, 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]
[2024-12-02 12:05:54,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 12:05:54,323 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:54,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:54,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1737174082, now seen corresponding path program 1 times
[2024-12-02 12:05:54,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:54,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769013892]
[2024-12-02 12:05:54,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked.
[2024-12-02 12:05:54,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:54,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769013892]
[2024-12-02 12:05:54,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769013892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:54,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:54,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:54,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882162774]
[2024-12-02 12:05:54,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:54,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:54,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:54,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:54,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:54,711 INFO L87 Difference]: Start difference. First operand 12061 states and 12732 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:55,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:55,671 INFO L93 Difference]: Finished difference Result 27107 states and 28671 transitions.
[2024-12-02 12:05:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 656
[2024-12-02 12:05:55,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:55,687 INFO L225 Difference]: With dead ends: 27107
[2024-12-02 12:05:55,687 INFO L226 Difference]: Without dead ends: 15048
[2024-12-02 12:05:55,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:55,695 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 305 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:55,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 182 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:05:55,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15048 states.
[2024-12-02 12:05:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15048 to 14150.
[2024-12-02 12:05:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14150 states, 14149 states have (on average 1.0499681956322002) internal successors, (14856), 14149 states have internal predecessors, (14856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14150 states to 14150 states and 14856 transitions.
[2024-12-02 12:05:55,795 INFO L78 Accepts]: Start accepts. Automaton has 14150 states and 14856 transitions. Word has length 656
[2024-12-02 12:05:55,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:55,795 INFO L471 AbstractCegarLoop]: Abstraction has 14150 states and 14856 transitions.
[2024-12-02 12:05:55,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 14150 states and 14856 transitions.
[2024-12-02 12:05:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664
[2024-12-02 12:05:55,800 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:55,800 INFO L218 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:05:55,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 12:05:55,800 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:55,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1894546033, now seen corresponding path program 1 times
[2024-12-02 12:05:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:55,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309684856]
[2024-12-02 12:05:55,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 530 proven. 190 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-12-02 12:05:56,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:56,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309684856]
[2024-12-02 12:05:56,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309684856] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:05:56,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672839177]
[2024-12-02 12:05:56,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:56,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:05:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:05:56,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:05:56,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 12:05:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:56,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 12:05:56,664 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:05:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked.
[2024-12-02 12:05:56,979 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:05:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672839177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:56,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:05:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 12:05:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064606805]
[2024-12-02 12:05:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:56,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:56,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:56,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:56,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:05:56,981 INFO L87 Difference]: Start difference. First operand 14150 states and 14856 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:58,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:05:58,056 INFO L93 Difference]: Finished difference Result 32806 states and 34515 transitions.
[2024-12-02 12:05:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:05:58,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 663
[2024-12-02 12:05:58,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:05:58,071 INFO L225 Difference]: With dead ends: 32806
[2024-12-02 12:05:58,072 INFO L226 Difference]: Without dead ends: 18658
[2024-12-02 12:05:58,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:05:58,081 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 309 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:05:58,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 481 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 12:05:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18658 states.
[2024-12-02 12:05:58,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18658 to 18647.
[2024-12-02 12:05:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18647 states, 18646 states have (on average 1.049018556258715) internal successors, (19560), 18646 states have internal predecessors, (19560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18647 states to 18647 states and 19560 transitions.
[2024-12-02 12:05:58,260 INFO L78 Accepts]: Start accepts. Automaton has 18647 states and 19560 transitions. Word has length 663
[2024-12-02 12:05:58,260 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:05:58,260 INFO L471 AbstractCegarLoop]: Abstraction has 18647 states and 19560 transitions.
[2024-12-02 12:05:58,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:05:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 18647 states and 19560 transitions.
[2024-12-02 12:05:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698
[2024-12-02 12:05:58,266 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:05:58,266 INFO L218 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, 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, 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, 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, 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, 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]
[2024-12-02 12:05:58,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 12:05:58,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:05:58,466 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:05:58,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:05:58,467 INFO L85 PathProgramCache]: Analyzing trace with hash 113709098, now seen corresponding path program 1 times
[2024-12-02 12:05:58,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:05:58,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364381699]
[2024-12-02 12:05:58,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:05:58,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:05:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:05:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 462 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2024-12-02 12:05:59,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:05:59,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364381699]
[2024-12-02 12:05:59,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364381699] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:05:59,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:05:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:05:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808396997]
[2024-12-02 12:05:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:05:59,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:05:59,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:05:59,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:05:59,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:05:59,021 INFO L87 Difference]: Start difference. First operand 18647 states and 19560 transitions. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:00,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:00,036 INFO L93 Difference]: Finished difference Result 42973 states and 45192 transitions.
[2024-12-02 12:06:00,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:06:00,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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 697
[2024-12-02 12:06:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:00,051 INFO L225 Difference]: With dead ends: 42973
[2024-12-02 12:06:00,051 INFO L226 Difference]: Without dead ends: 24328
[2024-12-02 12:06:00,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:00,061 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 65 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:00,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 156 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:06:00,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24328 states.
[2024-12-02 12:06:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24328 to 22833.
[2024-12-02 12:06:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22833 states, 22832 states have (on average 1.047959004905396) internal successors, (23927), 22832 states have internal predecessors, (23927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22833 states to 22833 states and 23927 transitions.
[2024-12-02 12:06:00,260 INFO L78 Accepts]: Start accepts. Automaton has 22833 states and 23927 transitions. Word has length 697
[2024-12-02 12:06:00,261 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:00,261 INFO L471 AbstractCegarLoop]: Abstraction has 22833 states and 23927 transitions.
[2024-12-02 12:06:00,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22833 states and 23927 transitions.
[2024-12-02 12:06:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714
[2024-12-02 12:06:00,266 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:00,267 INFO L218 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:00,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 12:06:00,267 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:00,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:00,267 INFO L85 PathProgramCache]: Analyzing trace with hash 951477395, now seen corresponding path program 1 times
[2024-12-02 12:06:00,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:00,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411220414]
[2024-12-02 12:06:00,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:00,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked.
[2024-12-02 12:06:00,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:00,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411220414]
[2024-12-02 12:06:00,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411220414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:00,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:00,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:06:00,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657874949]
[2024-12-02 12:06:00,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:00,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:06:00,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:00,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:06:00,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:00,669 INFO L87 Difference]: Start difference. First operand 22833 states and 23927 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:01,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:01,680 INFO L93 Difference]: Finished difference Result 45970 states and 48160 transitions.
[2024-12-02 12:06:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:06:01,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 713
[2024-12-02 12:06:01,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:01,694 INFO L225 Difference]: With dead ends: 45970
[2024-12-02 12:06:01,694 INFO L226 Difference]: Without dead ends: 23139
[2024-12-02 12:06:01,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:01,702 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 293 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:01,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 530 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:06:01,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23139 states.
[2024-12-02 12:06:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23139 to 22533.
[2024-12-02 12:06:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22533 states, 22532 states have (on average 1.0469554411503639) internal successors, (23590), 22532 states have internal predecessors, (23590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22533 states to 22533 states and 23590 transitions.
[2024-12-02 12:06:01,848 INFO L78 Accepts]: Start accepts. Automaton has 22533 states and 23590 transitions. Word has length 713
[2024-12-02 12:06:01,848 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:01,848 INFO L471 AbstractCegarLoop]: Abstraction has 22533 states and 23590 transitions.
[2024-12-02 12:06:01,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 22533 states and 23590 transitions.
[2024-12-02 12:06:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728
[2024-12-02 12:06:01,854 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:01,855 INFO L218 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:01,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 12:06:01,855 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:01,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1741852382, now seen corresponding path program 1 times
[2024-12-02 12:06:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:01,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362969881]
[2024-12-02 12:06:01,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked.
[2024-12-02 12:06:02,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:02,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362969881]
[2024-12-02 12:06:02,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362969881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:02,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:02,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:06:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585550716]
[2024-12-02 12:06:02,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:02,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:06:02,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:02,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:06:02,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:02,349 INFO L87 Difference]: Start difference. First operand 22533 states and 23590 transitions. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:03,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:03,317 INFO L93 Difference]: Finished difference Result 48667 states and 51077 transitions.
[2024-12-02 12:06:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:06:03,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 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 727
[2024-12-02 12:06:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:03,332 INFO L225 Difference]: With dead ends: 48667
[2024-12-02 12:06:03,333 INFO L226 Difference]: Without dead ends: 26435
[2024-12-02 12:06:03,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:03,341 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 173 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:03,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 545 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:06:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26435 states.
[2024-12-02 12:06:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26435 to 25537.
[2024-12-02 12:06:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25537 states, 25536 states have (on average 1.0446428571428572) internal successors, (26676), 25536 states have internal predecessors, (26676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25537 states to 25537 states and 26676 transitions.
[2024-12-02 12:06:03,560 INFO L78 Accepts]: Start accepts. Automaton has 25537 states and 26676 transitions. Word has length 727
[2024-12-02 12:06:03,560 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:03,560 INFO L471 AbstractCegarLoop]: Abstraction has 25537 states and 26676 transitions.
[2024-12-02 12:06:03,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 25537 states and 26676 transitions.
[2024-12-02 12:06:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790
[2024-12-02 12:06:03,568 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:03,568 INFO L218 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:03,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 12:06:03,569 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:03,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:03,569 INFO L85 PathProgramCache]: Analyzing trace with hash 305015861, now seen corresponding path program 1 times
[2024-12-02 12:06:03,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:03,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047072043]
[2024-12-02 12:06:03,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked.
[2024-12-02 12:06:03,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047072043]
[2024-12-02 12:06:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047072043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:03,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:03,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:06:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373918040]
[2024-12-02 12:06:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:03,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:06:03,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:03,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:06:03,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:03,981 INFO L87 Difference]: Start difference. First operand 25537 states and 26676 transitions. Second operand has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:05,446 INFO L93 Difference]: Finished difference Result 52563 states and 54907 transitions.
[2024-12-02 12:06:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:06:05,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 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 789
[2024-12-02 12:06:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:05,466 INFO L225 Difference]: With dead ends: 52563
[2024-12-02 12:06:05,466 INFO L226 Difference]: Without dead ends: 27327
[2024-12-02 12:06:05,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:05,477 INFO L435 NwaCegarLoop]: 393 mSDtfsCounter, 628 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:05,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 423 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:06:05,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27327 states.
[2024-12-02 12:06:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27327 to 26429.
[2024-12-02 12:06:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26429 states, 26428 states have (on average 1.035908884516422) internal successors, (27377), 26428 states have internal predecessors, (27377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26429 states to 26429 states and 27377 transitions.
[2024-12-02 12:06:05,766 INFO L78 Accepts]: Start accepts. Automaton has 26429 states and 27377 transitions. Word has length 789
[2024-12-02 12:06:05,767 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:05,767 INFO L471 AbstractCegarLoop]: Abstraction has 26429 states and 27377 transitions.
[2024-12-02 12:06:05,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 26429 states and 27377 transitions.
[2024-12-02 12:06:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830
[2024-12-02 12:06:05,785 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:05,786 INFO L218 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:05,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 12:06:05,786 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:05,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:05,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1068347823, now seen corresponding path program 1 times
[2024-12-02 12:06:05,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:05,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349514217]
[2024-12-02 12:06:05,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:05,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked.
[2024-12-02 12:06:06,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:06,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349514217]
[2024-12-02 12:06:06,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349514217] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:06,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:06,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:06:06,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543974757]
[2024-12-02 12:06:06,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:06,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:06:06,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:06,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:06:06,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:06:06,564 INFO L87 Difference]: Start difference. First operand 26429 states and 27377 transitions. Second operand has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:07,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:07,712 INFO L93 Difference]: Finished difference Result 51706 states and 53570 transitions.
[2024-12-02 12:06:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:06:07,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 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 829
[2024-12-02 12:06:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:07,728 INFO L225 Difference]: With dead ends: 51706
[2024-12-02 12:06:07,728 INFO L226 Difference]: Without dead ends: 25578
[2024-12-02 12:06:07,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:06:07,738 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 520 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:07,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 531 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 12:06:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25578 states.
[2024-12-02 12:06:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25578 to 24320.
[2024-12-02 12:06:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24320 states, 24319 states have (on average 1.0236851844237016) internal successors, (24895), 24319 states have internal predecessors, (24895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24320 states to 24320 states and 24895 transitions.
[2024-12-02 12:06:07,908 INFO L78 Accepts]: Start accepts. Automaton has 24320 states and 24895 transitions. Word has length 829
[2024-12-02 12:06:07,908 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:07,908 INFO L471 AbstractCegarLoop]: Abstraction has 24320 states and 24895 transitions.
[2024-12-02 12:06:07,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24320 states and 24895 transitions.
[2024-12-02 12:06:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925
[2024-12-02 12:06:07,919 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:07,919 INFO L218 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:07,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 12:06:07,919 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:07,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:07,920 INFO L85 PathProgramCache]: Analyzing trace with hash 792366253, now seen corresponding path program 1 times
[2024-12-02 12:06:07,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:07,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932613410]
[2024-12-02 12:06:07,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:07,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked.
[2024-12-02 12:06:08,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:08,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932613410]
[2024-12-02 12:06:08,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932613410] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:08,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:08,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:06:08,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126574621]
[2024-12-02 12:06:08,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:08,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:06:08,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:08,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:06:08,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:08,492 INFO L87 Difference]: Start difference. First operand 24320 states and 24895 transitions. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:09,470 INFO L93 Difference]: Finished difference Result 53141 states and 54422 transitions.
[2024-12-02 12:06:09,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:06:09,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 924
[2024-12-02 12:06:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:09,496 INFO L225 Difference]: With dead ends: 53141
[2024-12-02 12:06:09,496 INFO L226 Difference]: Without dead ends: 29122
[2024-12-02 12:06:09,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:06:09,507 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 346 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:09,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 120 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:06:09,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29122 states.
[2024-12-02 12:06:09,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29122 to 24916.
[2024-12-02 12:06:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24916 states, 24915 states have (on average 1.0221151916516156) internal successors, (25466), 24915 states have internal predecessors, (25466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24916 states to 24916 states and 25466 transitions.
[2024-12-02 12:06:09,724 INFO L78 Accepts]: Start accepts. Automaton has 24916 states and 25466 transitions. Word has length 924
[2024-12-02 12:06:09,725 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:09,725 INFO L471 AbstractCegarLoop]: Abstraction has 24916 states and 25466 transitions.
[2024-12-02 12:06:09,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 24916 states and 25466 transitions.
[2024-12-02 12:06:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 928
[2024-12-02 12:06:09,738 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:09,738 INFO L218 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:09,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 12:06:09,738 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:09,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:09,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1100803395, now seen corresponding path program 1 times
[2024-12-02 12:06:09,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:09,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961531947]
[2024-12-02 12:06:09,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:09,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked.
[2024-12-02 12:06:10,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:10,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961531947]
[2024-12-02 12:06:10,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961531947] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:10,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:10,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:06:10,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607459399]
[2024-12-02 12:06:10,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:10,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:06:10,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:10,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:06:10,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:10,202 INFO L87 Difference]: Start difference. First operand 24916 states and 25466 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:11,576 INFO L93 Difference]: Finished difference Result 54021 states and 55229 transitions.
[2024-12-02 12:06:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:06:11,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 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 927
[2024-12-02 12:06:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:11,597 INFO L225 Difference]: With dead ends: 54021
[2024-12-02 12:06:11,597 INFO L226 Difference]: Without dead ends: 29406
[2024-12-02 12:06:11,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:11,608 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 457 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:11,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 137 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 12:06:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29406 states.
[2024-12-02 12:06:11,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29406 to 24615.
[2024-12-02 12:06:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24615 states, 24614 states have (on average 1.0220199886243602) internal successors, (25156), 24614 states have internal predecessors, (25156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24615 states to 24615 states and 25156 transitions.
[2024-12-02 12:06:11,892 INFO L78 Accepts]: Start accepts. Automaton has 24615 states and 25156 transitions. Word has length 927
[2024-12-02 12:06:11,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:11,893 INFO L471 AbstractCegarLoop]: Abstraction has 24615 states and 25156 transitions.
[2024-12-02 12:06:11,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 24615 states and 25156 transitions.
[2024-12-02 12:06:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964
[2024-12-02 12:06:11,917 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:11,918 INFO L218 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:11,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 12:06:11,918 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:11,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:11,919 INFO L85 PathProgramCache]: Analyzing trace with hash -390225527, now seen corresponding path program 1 times
[2024-12-02 12:06:11,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:11,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465308736]
[2024-12-02 12:06:11,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked.
[2024-12-02 12:06:12,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:12,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465308736]
[2024-12-02 12:06:12,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465308736] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:12,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:12,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:06:12,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407818885]
[2024-12-02 12:06:12,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:12,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:06:12,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:12,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:06:12,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:12,763 INFO L87 Difference]: Start difference. First operand 24615 states and 25156 transitions. Second operand has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:14,209 INFO L93 Difference]: Finished difference Result 58523 states and 59808 transitions.
[2024-12-02 12:06:14,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:06:14,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 963
[2024-12-02 12:06:14,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:14,232 INFO L225 Difference]: With dead ends: 58523
[2024-12-02 12:06:14,232 INFO L226 Difference]: Without dead ends: 34209
[2024-12-02 12:06:14,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:14,244 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 404 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:14,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 133 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:06:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34209 states.
[2024-12-02 12:06:14,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34209 to 24914.
[2024-12-02 12:06:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24914 states, 24913 states have (on average 1.0219162686147794) internal successors, (25459), 24913 states have internal predecessors, (25459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24914 states to 24914 states and 25459 transitions.
[2024-12-02 12:06:14,481 INFO L78 Accepts]: Start accepts. Automaton has 24914 states and 25459 transitions. Word has length 963
[2024-12-02 12:06:14,482 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:14,482 INFO L471 AbstractCegarLoop]: Abstraction has 24914 states and 25459 transitions.
[2024-12-02 12:06:14,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24914 states and 25459 transitions.
[2024-12-02 12:06:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1012
[2024-12-02 12:06:14,494 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:14,494 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:14,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 12:06:14,495 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:14,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:14,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1340576754, now seen corresponding path program 1 times
[2024-12-02 12:06:14,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:14,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403796496]
[2024-12-02 12:06:14,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2284 backedges. 1595 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2024-12-02 12:06:15,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:15,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403796496]
[2024-12-02 12:06:15,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403796496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:15,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:06:15,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:06:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829312893]
[2024-12-02 12:06:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:15,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:06:15,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:15,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:06:15,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:15,267 INFO L87 Difference]: Start difference. First operand 24914 states and 25459 transitions. Second operand has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:16,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:16,722 INFO L93 Difference]: Finished difference Result 55213 states and 56406 transitions.
[2024-12-02 12:06:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:06:16,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 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 1011
[2024-12-02 12:06:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:16,743 INFO L225 Difference]: With dead ends: 55213
[2024-12-02 12:06:16,743 INFO L226 Difference]: Without dead ends: 27602
[2024-12-02 12:06:16,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:06:16,754 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 505 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:16,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 129 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 12:06:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27602 states.
[2024-12-02 12:06:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27602 to 21315.
[2024-12-02 12:06:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21315 states, 21314 states have (on average 1.0205498733226988) internal successors, (21752), 21314 states have internal predecessors, (21752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21315 states to 21315 states and 21752 transitions.
[2024-12-02 12:06:16,948 INFO L78 Accepts]: Start accepts. Automaton has 21315 states and 21752 transitions. Word has length 1011
[2024-12-02 12:06:16,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:16,948 INFO L471 AbstractCegarLoop]: Abstraction has 21315 states and 21752 transitions.
[2024-12-02 12:06:16,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 21315 states and 21752 transitions.
[2024-12-02 12:06:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060
[2024-12-02 12:06:16,960 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:16,960 INFO L218 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:16,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 12:06:16,960 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:16,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:16,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1800342180, now seen corresponding path program 1 times
[2024-12-02 12:06:16,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147903619]
[2024-12-02 12:06:16,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 115 proven. 757 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked.
[2024-12-02 12:06:17,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:17,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147903619]
[2024-12-02 12:06:17,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147903619] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:06:17,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524928921]
[2024-12-02 12:06:17,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:17,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:06:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:06:17,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:06:17,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 12:06:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:18,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 12:06:18,126 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:06:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 115 proven. 757 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked.
[2024-12-02 12:06:22,654 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:06:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 115 proven. 757 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked.
[2024-12-02 12:06:23,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524928921] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:06:23,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:06:23,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-12-02 12:06:23,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882121022]
[2024-12-02 12:06:23,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:06:23,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 12:06:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:23,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 12:06:23,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:06:23,834 INFO L87 Difference]: Start difference. First operand 21315 states and 21752 transitions. Second operand has 10 states, 10 states have (on average 144.1) internal successors, (1441), 9 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:27,308 INFO L93 Difference]: Finished difference Result 37803 states and 38631 transitions.
[2024-12-02 12:06:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 12:06:27,309 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 144.1) internal successors, (1441), 9 states have internal predecessors, (1441), 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 1059
[2024-12-02 12:06:27,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:27,329 INFO L225 Difference]: With dead ends: 37803
[2024-12-02 12:06:27,329 INFO L226 Difference]: Without dead ends: 37801
[2024-12-02 12:06:27,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2120 GetRequests, 2112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:06:27,334 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1047 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 3556 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:27,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 210 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3556 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-12-02 12:06:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37801 states.
[2024-12-02 12:06:27,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37801 to 21016.
[2024-12-02 12:06:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21016 states, 21015 states have (on average 1.0205567451820128) internal successors, (21447), 21015 states have internal predecessors, (21447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21016 states to 21016 states and 21447 transitions.
[2024-12-02 12:06:27,565 INFO L78 Accepts]: Start accepts. Automaton has 21016 states and 21447 transitions. Word has length 1059
[2024-12-02 12:06:27,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:27,565 INFO L471 AbstractCegarLoop]: Abstraction has 21016 states and 21447 transitions.
[2024-12-02 12:06:27,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 144.1) internal successors, (1441), 9 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 21016 states and 21447 transitions.
[2024-12-02 12:06:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1270
[2024-12-02 12:06:27,578 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:06:27,579 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:06:27,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 12:06:27,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:06:27,779 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:06:27,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:06:27,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1642431857, now seen corresponding path program 1 times
[2024-12-02 12:06:27,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:06:27,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992205908]
[2024-12-02 12:06:27,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:27,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:06:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 1597 proven. 188 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2024-12-02 12:06:29,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:06:29,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992205908]
[2024-12-02 12:06:29,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992205908] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:06:29,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775838884]
[2024-12-02 12:06:29,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:06:29,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:06:29,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:06:29,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:06:29,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 12:06:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:06:30,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 12:06:30,272 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:06:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 2340 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked.
[2024-12-02 12:06:30,440 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:06:30,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775838884] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:06:30,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:06:30,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 12:06:30,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269478767]
[2024-12-02 12:06:30,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:06:30,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:06:30,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:06:30,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:06:30,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:06:30,441 INFO L87 Difference]: Start difference. First operand 21016 states and 21447 transitions. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:06:31,093 INFO L93 Difference]: Finished difference Result 36311 states and 37068 transitions.
[2024-12-02 12:06:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:06:31,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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 1269
[2024-12-02 12:06:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:06:31,095 INFO L225 Difference]: With dead ends: 36311
[2024-12-02 12:06:31,095 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 12:06:31,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1272 GetRequests, 1268 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:06:31,103 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 230 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:06:31,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 357 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 12:06:31,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 12:06:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 12:06:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 12:06:31,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1269
[2024-12-02 12:06:31,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:06:31,104 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 12:06:31,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:06:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 12:06:31,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 12:06:31,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:06:31,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 12:06:31,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:06:31,310 INFO L422 BasicCegarLoop]: Path program 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]
[2024-12-02 12:06:31,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 12:06:38,965 WARN L286 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 627 DAG size of output: 712 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)
[2024-12-02 12:06:42,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:06:42,707 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 12:06:42,708 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-12-02 12:06:42,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:06:42 BoogieIcfgContainer
[2024-12-02 12:06:42,713 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:06:42,714 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:06:42,714 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:06:42,714 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:06:42,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:21" (3/4) ...
[2024-12-02 12:06:42,717 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:06:42,740 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 12:06:42,741 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 12:06:42,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 12:06:42,745 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:06:42,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:06:42,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:06:42,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:06:42,913 INFO L158 Benchmark]: Toolchain (without parser) took 85295.76ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 113.1MB in the beginning and 618.0MB in the end (delta: -504.9MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,913 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:06:42,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.86ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 88.7MB in the end (delta: 24.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.71ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 51.6MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,914 INFO L158 Benchmark]: Boogie Preprocessor took 262.21ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 51.6MB in the beginning and 358.6MB in the end (delta: -307.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,914 INFO L158 Benchmark]: RCFGBuilder took 2601.09ms. Allocated memory is still 427.8MB. Free memory was 358.6MB in the beginning and 266.8MB in the end (delta: 91.8MB). Peak memory consumption was 237.6MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,914 INFO L158 Benchmark]: TraceAbstraction took 81423.05ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 266.8MB in the beginning and 643.1MB in the end (delta: -376.3MB). Peak memory consumption was 478.5MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,915 INFO L158 Benchmark]: Witness Printer took 198.09ms. Allocated memory is still 788.5MB. Free memory was 643.1MB in the beginning and 618.0MB in the end (delta: 25.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:06:42,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 672.86ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 88.7MB in the end (delta: 24.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 132.71ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 51.6MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 262.21ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 51.6MB in the beginning and 358.6MB in the end (delta: -307.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
* RCFGBuilder took 2601.09ms. Allocated memory is still 427.8MB. Free memory was 358.6MB in the beginning and 266.8MB in the end (delta: 91.8MB). Peak memory consumption was 237.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 81423.05ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 266.8MB in the beginning and 643.1MB in the end (delta: -376.3MB). Peak memory consumption was 478.5MB. Max. memory is 16.1GB.
* Witness Printer took 198.09ms. Allocated memory is still 788.5MB. Free memory was 643.1MB in the beginning and 618.0MB in the end (delta: 25.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
* 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: 110]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.0s, OverallIterations: 27, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 41.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12074 SdHoareTripleChecker+Valid, 38.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12074 mSDsluCounter, 9490 SdHoareTripleChecker+Invalid, 33.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1241 mSDsCounter, 4895 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32907 IncrementalHoareTripleChecker+Invalid, 37802 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4895 mSolverCounterUnsat, 8249 mSDtfsCounter, 32907 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5311 GetRequests, 5252 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26429occurred in iteration=20, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 27 MinimizatonAttempts, 58544 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 19879 NumberOfCodeBlocks, 19879 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 21491 ConstructedInterpolants, 297 QuantifiedInterpolants, 72925 SizeOfPredicates, 6 NumberOfNonLiveVariables, 4215 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 27923/30689 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 1776]: Loop Invariant
Derived loop invariant: ((((((((((((((((((((((((((((((((long long) 104 + a0) <= 0) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) 146 + a0))) && (a2 == 4)) || (((2 == a2) && (((long long) 89 + a4) <= 0)) && (0 <= ((long long) a0 + 60)))) || (((((0 <= ((long long) a29 + 14)) && (((long long) 42 + a4) <= 0)) && (2 == a2)) && (0 <= ((long long) a4 + 85))) && (((long long) 98 + a0) <= 0))) || ((((0 <= ((long long) 143 + a0)) && (((long long) 42 + a4) <= 0)) && (((long long) 98 + a0) <= 0)) && (3 == a2))) || (((((long long) 104 + a0) <= 0) && (2 == a2)) && (44 <= a29))) || (((2 != a2) && (((long long) 89 + a4) <= 0)) && (((long long) a0 + 61) <= 0))) || (((140780 <= a0) && (a2 == 4)) && (((long long) a4 + 172330) <= 0))) || (((((long long) 89 + a4) <= 0) && (a2 == 4)) && (a29 <= 43))) || (((0 <= ((long long) a29 + 14)) && (2 == a2)) && (((long long) 89 + a4) <= 0))) || (((((long long) 89 + a4) <= 0) && (((long long) a0 + 61) <= 0)) && (((long long) a29 + 144) <= 0))) || ((((((long long) 104 + a0) <= 0) && (5 == a2)) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) 600263 + a0)))) || (((((0 <= ((long long) a0 + 459337)) && (((long long) 104 + a0) <= 0)) && (((long long) 42 + a4) <= 0)) && (a2 == 4)) && (((long long) a29 + 144) <= 0))) || ((((((a2 == 1) && (((long long) a0 + 61) <= 0)) || ((0 <= ((long long) a4 + 85)) && (a2 == 1))) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) 600263 + a0))) && (a29 <= 43))) || (((((((long long) 104 + a0) <= 0) && (0 <= ((long long) a29 + 14))) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) 600263 + a0))) && (a2 == 4))) || ((((((long long) 42 + a4) <= 0) && (2 == a2)) && (44 <= a29)) && (((long long) 98 + a0) <= 0))) || ((((((long long) 104 + a0) <= 0) && (((long long) 42 + a4) <= 0)) && (3 == a2)) && (a29 <= 43))) || (((((long long) 42 + a4) <= 0) && (a2 == 4)) && (((long long) 366639 + a0) <= 0))) || (((((long long) 104 + a0) <= 0) && (((long long) 42 + a4) <= 0)) && (a2 == 1))) || (((((5 == a2) && (0 <= ((long long) a29 + 14))) && (((long long) 42 + a4) <= 0)) && (((long long) 98 + a0) <= 0)) && (0 <= ((long long) 146 + a0)))) || (((a2 == 1) && (((long long) a4 + 86) <= 0)) && (((long long) a29 + 144) <= 0))) || (((((long long) 89 + a4) <= 0) && (0 <= ((long long) 146 + a0))) && (((long long) a0 + 61) <= 0))) || ((((long long) 89 + a4) <= 0) && (3 == a2))) || ((((((long long) 89 + a4) <= 0) && (a2 == 1)) && (0 <= ((long long) 44 + a0))) && (((long long) a29 + 127) == 0))) || ((((((long long) 42 + a4) <= 0) && (((long long) 98 + a0) <= 0)) && (0 <= ((long long) 146 + a0))) && (a2 == 1))) || ((5 == a2) && (((long long) 89 + a4) <= 0))) || ((((((long long) 104 + a0) <= 0) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) a4 + 85))) && (3 == a2))) || ((((((long long) 104 + a0) <= 0) && (((long long) 42 + a4) <= 0)) && (2 == a2)) && (0 <= ((long long) a4 + 85))))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:06:42,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55199fa0-8bc7-4040-a252-5dd68550e329/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE