./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label01.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_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/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_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/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_37f64907-b77f-482a-8881-9e7fd3229ece/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 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:29:01,733 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:29:01,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 14:29:01,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:29:01,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:29:01,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:29:01,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:29:01,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:29:01,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:29:01,810 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 14:29:01,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:29:01,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:29:01,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:29:01,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 14:29:01,810 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 14:29:01,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:29:01,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 14:29:01,812 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:29:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:29:01,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:29:01,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 14:29:01,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:29:01,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:29:01,814 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_37f64907-b77f-482a-8881-9e7fd3229ece/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 -> 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713
[2024-12-02 14:29:02,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:29:02,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:29:02,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:29:02,032 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 14:29:02,032 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 14:29:02,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c
[2024-12-02 14:29:04,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/data/11beb9ce6/e76b2c824d4c43a1b56b187298c48df0/FLAG082f559db
[2024-12-02 14:29:05,099 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 14:29:05,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/sv-benchmarks/c/eca-rers2012/Problem12_label01.c
[2024-12-02 14:29:05,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/data/11beb9ce6/e76b2c824d4c43a1b56b187298c48df0/FLAG082f559db
[2024-12-02 14:29:05,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/data/11beb9ce6/e76b2c824d4c43a1b56b187298c48df0
[2024-12-02 14:29:05,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:29:05,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:29:05,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:29:05,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:29:05,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:29:05,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:29:05" (1/1) ...
[2024-12-02 14:29:05,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6930058c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:05, skipping insertion in model container
[2024-12-02 14:29:05,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:29:05" (1/1) ...
[2024-12-02 14:29:05,343 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:29:05,528 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_37f64907-b77f-482a-8881-9e7fd3229ece/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929]
[2024-12-02 14:29:06,141 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:29:06,151 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 14:29:06,169 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_37f64907-b77f-482a-8881-9e7fd3229ece/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929]
[2024-12-02 14:29:06,582 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:29:06,603 INFO L204 MainTranslator]: Completed translation
[2024-12-02 14:29:06,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06 WrapperNode
[2024-12-02 14:29:06,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:29:06,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:29:06,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:29:06,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:29:06,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:06,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:06,925 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4760
[2024-12-02 14:29:06,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:29:06,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:29:06,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:29:06,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:29:06,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:06,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:06,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,112 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 14:29:07,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:29:07,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:29:07,350 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:29:07,350 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:29:07,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (1/1) ...
[2024-12-02 14:29:07,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:29:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:29:07,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:29:07,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:29:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:29:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:29:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:29:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:29:07,472 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 14:29:07,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:29:11,543 INFO L? ?]: Removed 702 outVars from TransFormulas that were not future-live.
[2024-12-02 14:29:11,544 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 14:29:11,571 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:29:11,571 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 14:29:11,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:11 BoogieIcfgContainer
[2024-12-02 14:29:11,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:29:11,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:29:11,574 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:29:11,579 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:29:11,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:29:05" (1/3) ...
[2024-12-02 14:29:11,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2864554e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:29:11, skipping insertion in model container
[2024-12-02 14:29:11,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:29:06" (2/3) ...
[2024-12-02 14:29:11,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2864554e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:29:11, skipping insertion in model container
[2024-12-02 14:29:11,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:11" (3/3) ...
[2024-12-02 14:29:11,581 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem12_label01.c
[2024-12-02 14:29:11,596 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:29:11,598 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem12_label01.c that has 1 procedures, 818 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 14:29:11,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:29:11,685 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;@5392a330, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:29:11,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 14:29:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 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 14:29:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-12-02 14:29:11,699 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:11,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:29:11,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:11,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times
[2024-12-02 14:29:11,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:11,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730728423]
[2024-12-02 14:29:11,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:11,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:12,008 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 14:29:12,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:12,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730728423]
[2024-12-02 14:29:12,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730728423] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:12,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:12,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:29:12,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195058493]
[2024-12-02 14:29:12,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:12,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:12,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:12,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:12,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:12,038 INFO L87 Difference]: Start difference. First operand has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:15,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:15,196 INFO L93 Difference]: Finished difference Result 2388 states and 4629 transitions.
[2024-12-02 14:29:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:15,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47
[2024-12-02 14:29:15,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:15,213 INFO L225 Difference]: With dead ends: 2388
[2024-12-02 14:29:15,213 INFO L226 Difference]: Without dead ends: 1506
[2024-12-02 14:29:15,218 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 14:29:15,220 INFO L435 NwaCegarLoop]: 471 mSDtfsCounter, 787 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:15,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 481 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-12-02 14:29:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states.
[2024-12-02 14:29:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1506.
[2024-12-02 14:29:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1505 states have (on average 1.6385382059800664) internal successors, (2466), 1505 states have internal predecessors, (2466), 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 14:29:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 2466 transitions.
[2024-12-02 14:29:15,295 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 2466 transitions. Word has length 47
[2024-12-02 14:29:15,295 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:15,295 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 2466 transitions.
[2024-12-02 14:29:15,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 2466 transitions.
[2024-12-02 14:29:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-12-02 14:29:15,298 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:15,299 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, 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]
[2024-12-02 14:29:15,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 14:29:15,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:15,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:15,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1500828227, now seen corresponding path program 1 times
[2024-12-02 14:29:15,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:15,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662551212]
[2024-12-02 14:29:15,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:15,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:15,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:15,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662551212]
[2024-12-02 14:29:15,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662551212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:15,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:15,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:15,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494614896]
[2024-12-02 14:29:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:15,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:29:15,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:15,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:29:15,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:15,653 INFO L87 Difference]: Start difference. First operand 1506 states and 2466 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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 14:29:19,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:19,396 INFO L93 Difference]: Finished difference Result 4551 states and 7431 transitions.
[2024-12-02 14:29:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:29:19,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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 118
[2024-12-02 14:29:19,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:19,407 INFO L225 Difference]: With dead ends: 4551
[2024-12-02 14:29:19,407 INFO L226 Difference]: Without dead ends: 3010
[2024-12-02 14:29:19,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:19,410 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 705 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3076 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 3076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:19,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 654 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 3076 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2024-12-02 14:29:19,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states.
[2024-12-02 14:29:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 3008.
[2024-12-02 14:29:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 3007 states have (on average 1.3418689723977386) internal successors, (4035), 3007 states have internal predecessors, (4035), 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 14:29:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4035 transitions.
[2024-12-02 14:29:19,471 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 4035 transitions. Word has length 118
[2024-12-02 14:29:19,471 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:19,471 INFO L471 AbstractCegarLoop]: Abstraction has 3008 states and 4035 transitions.
[2024-12-02 14:29:19,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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 14:29:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 4035 transitions.
[2024-12-02 14:29:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-12-02 14:29:19,475 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:19,476 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, 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]
[2024-12-02 14:29:19,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 14:29:19,476 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:19,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash -94536638, now seen corresponding path program 1 times
[2024-12-02 14:29:19,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:19,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177207032]
[2024-12-02 14:29:19,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:19,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:29:19,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:19,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177207032]
[2024-12-02 14:29:19,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177207032] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:19,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:19,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:19,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922543685]
[2024-12-02 14:29:19,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:19,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:29:19,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:19,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:29:19,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:19,914 INFO L87 Difference]: Start difference. First operand 3008 states and 4035 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:23,969 INFO L93 Difference]: Finished difference Result 9769 states and 12895 transitions.
[2024-12-02 14:29:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:29:23,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156
[2024-12-02 14:29:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:23,982 INFO L225 Difference]: With dead ends: 9769
[2024-12-02 14:29:23,982 INFO L226 Difference]: Without dead ends: 6763
[2024-12-02 14:29:23,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 14:29:23,985 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 2094 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4274 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 4841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 4274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:23,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 451 Invalid, 4841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 4274 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time]
[2024-12-02 14:29:23,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6763 states.
[2024-12-02 14:29:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6763 to 6763.
[2024-12-02 14:29:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6763 states, 6762 states have (on average 1.2877846790890268) internal successors, (8708), 6762 states have internal predecessors, (8708), 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 14:29:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 8708 transitions.
[2024-12-02 14:29:24,084 INFO L78 Accepts]: Start accepts. Automaton has 6763 states and 8708 transitions. Word has length 156
[2024-12-02 14:29:24,084 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:24,084 INFO L471 AbstractCegarLoop]: Abstraction has 6763 states and 8708 transitions.
[2024-12-02 14:29:24,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 14:29:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6763 states and 8708 transitions.
[2024-12-02 14:29:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260
[2024-12-02 14:29:24,089 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:24,089 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:24,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 14:29:24,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:24,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:24,090 INFO L85 PathProgramCache]: Analyzing trace with hash -282317822, now seen corresponding path program 1 times
[2024-12-02 14:29:24,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:24,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056503924]
[2024-12-02 14:29:24,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:24,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2024-12-02 14:29:24,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:24,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056503924]
[2024-12-02 14:29:24,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056503924] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:24,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:24,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:24,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431277900]
[2024-12-02 14:29:24,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:24,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:29:24,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:24,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:29:24,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:24,466 INFO L87 Difference]: Start difference. First operand 6763 states and 8708 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 14:29:27,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:27,844 INFO L93 Difference]: Finished difference Result 15816 states and 21400 transitions.
[2024-12-02 14:29:27,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:29:27,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 259
[2024-12-02 14:29:27,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:27,858 INFO L225 Difference]: With dead ends: 15816
[2024-12-02 14:29:27,858 INFO L226 Difference]: Without dead ends: 9769
[2024-12-02 14:29:27,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:29:27,862 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 850 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3465 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 4018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 3465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:27,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 494 Invalid, 4018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 3465 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-12-02 14:29:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states.
[2024-12-02 14:29:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 9767.
[2024-12-02 14:29:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9767 states, 9766 states have (on average 1.2733975015359411) internal successors, (12436), 9766 states have internal predecessors, (12436), 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 14:29:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9767 states to 9767 states and 12436 transitions.
[2024-12-02 14:29:27,959 INFO L78 Accepts]: Start accepts. Automaton has 9767 states and 12436 transitions. Word has length 259
[2024-12-02 14:29:27,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:27,960 INFO L471 AbstractCegarLoop]: Abstraction has 9767 states and 12436 transitions.
[2024-12-02 14:29:27,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 14:29:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9767 states and 12436 transitions.
[2024-12-02 14:29:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263
[2024-12-02 14:29:27,962 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:27,962 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:27,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 14:29:27,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:27,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:27,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1708577746, now seen corresponding path program 1 times
[2024-12-02 14:29:27,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:27,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859222976]
[2024-12-02 14:29:27,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2024-12-02 14:29:28,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859222976]
[2024-12-02 14:29:28,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859222976] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:28,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:28,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:29:28,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525780214]
[2024-12-02 14:29:28,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:28,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:28,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:28,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:28,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:28,113 INFO L87 Difference]: Start difference. First operand 9767 states and 12436 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 14:29:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:31,023 INFO L93 Difference]: Finished difference Result 26291 states and 34162 transitions.
[2024-12-02 14:29:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:31,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 262
[2024-12-02 14:29:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:31,053 INFO L225 Difference]: With dead ends: 26291
[2024-12-02 14:29:31,053 INFO L226 Difference]: Without dead ends: 17277
[2024-12-02 14:29:31,058 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 14:29:31,059 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 619 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:31,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 598 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 14:29:31,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17277 states.
[2024-12-02 14:29:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17277 to 17277.
[2024-12-02 14:29:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17277 states, 17276 states have (on average 1.1980203750868257) internal successors, (20697), 17276 states have internal predecessors, (20697), 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 14:29:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 20697 transitions.
[2024-12-02 14:29:31,265 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 20697 transitions. Word has length 262
[2024-12-02 14:29:31,265 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:31,265 INFO L471 AbstractCegarLoop]: Abstraction has 17277 states and 20697 transitions.
[2024-12-02 14:29:31,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 14:29:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 20697 transitions.
[2024-12-02 14:29:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278
[2024-12-02 14:29:31,269 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:31,270 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:31,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 14:29:31,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:31,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1863466117, now seen corresponding path program 1 times
[2024-12-02 14:29:31,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:31,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501568388]
[2024-12-02 14:29:31,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-12-02 14:29:31,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:31,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501568388]
[2024-12-02 14:29:31,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501568388] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:31,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:31,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:31,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224890947]
[2024-12-02 14:29:31,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:31,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:31,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:31,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:31,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:31,581 INFO L87 Difference]: Start difference. First operand 17277 states and 20697 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 14:29:34,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:34,484 INFO L93 Difference]: Finished difference Result 33801 states and 40636 transitions.
[2024-12-02 14:29:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:34,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 277
[2024-12-02 14:29:34,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:34,510 INFO L225 Difference]: With dead ends: 33801
[2024-12-02 14:29:34,510 INFO L226 Difference]: Without dead ends: 17277
[2024-12-02 14:29:34,518 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 14:29:34,518 INFO L435 NwaCegarLoop]: 1233 mSDtfsCounter, 696 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2429 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 2429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:34,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 1241 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 2429 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 14:29:34,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17277 states.
[2024-12-02 14:29:34,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17277 to 16526.
[2024-12-02 14:29:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16526 states, 16525 states have (on average 1.1696217851739787) internal successors, (19328), 16525 states have internal predecessors, (19328), 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 14:29:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16526 states to 16526 states and 19328 transitions.
[2024-12-02 14:29:34,711 INFO L78 Accepts]: Start accepts. Automaton has 16526 states and 19328 transitions. Word has length 277
[2024-12-02 14:29:34,712 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:34,712 INFO L471 AbstractCegarLoop]: Abstraction has 16526 states and 19328 transitions.
[2024-12-02 14:29:34,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 14:29:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 16526 states and 19328 transitions.
[2024-12-02 14:29:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279
[2024-12-02 14:29:34,716 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:34,717 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, 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]
[2024-12-02 14:29:34,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 14:29:34,717 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:34,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:34,717 INFO L85 PathProgramCache]: Analyzing trace with hash 268294806, now seen corresponding path program 1 times
[2024-12-02 14:29:34,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658682859]
[2024-12-02 14:29:34,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked.
[2024-12-02 14:29:35,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:35,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658682859]
[2024-12-02 14:29:35,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658682859] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:35,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:35,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:35,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426057157]
[2024-12-02 14:29:35,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:35,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:35,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:35,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:35,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:35,174 INFO L87 Difference]: Start difference. First operand 16526 states and 19328 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 14:29:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:37,483 INFO L93 Difference]: Finished difference Result 38307 states and 44492 transitions.
[2024-12-02 14:29:37,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 278
[2024-12-02 14:29:37,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:37,506 INFO L225 Difference]: With dead ends: 38307
[2024-12-02 14:29:37,507 INFO L226 Difference]: Without dead ends: 22534
[2024-12-02 14:29:37,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 14:29:37,516 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 820 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 2743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:37,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 106 Invalid, 2743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 2285 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 14:29:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22534 states.
[2024-12-02 14:29:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22534 to 19530.
[2024-12-02 14:29:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19530 states, 19529 states have (on average 1.1496236366429413) internal successors, (22451), 19529 states have internal predecessors, (22451), 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 14:29:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19530 states to 19530 states and 22451 transitions.
[2024-12-02 14:29:37,711 INFO L78 Accepts]: Start accepts. Automaton has 19530 states and 22451 transitions. Word has length 278
[2024-12-02 14:29:37,712 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:37,712 INFO L471 AbstractCegarLoop]: Abstraction has 19530 states and 22451 transitions.
[2024-12-02 14:29:37,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 14:29:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19530 states and 22451 transitions.
[2024-12-02 14:29:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2024-12-02 14:29:37,714 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:37,714 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, 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, 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]
[2024-12-02 14:29:37,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 14:29:37,714 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:37,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1094495380, now seen corresponding path program 1 times
[2024-12-02 14:29:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578461051]
[2024-12-02 14:29:37,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-12-02 14:29:37,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578461051]
[2024-12-02 14:29:37,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578461051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:37,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:37,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024763959]
[2024-12-02 14:29:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:37,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:37,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:37,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:37,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:37,889 INFO L87 Difference]: Start difference. First operand 19530 states and 22451 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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 14:29:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:40,320 INFO L93 Difference]: Finished difference Result 45817 states and 53568 transitions.
[2024-12-02 14:29:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:40,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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 346
[2024-12-02 14:29:40,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:40,341 INFO L225 Difference]: With dead ends: 45817
[2024-12-02 14:29:40,341 INFO L226 Difference]: Without dead ends: 27040
[2024-12-02 14:29:40,350 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 14:29:40,350 INFO L435 NwaCegarLoop]: 1196 mSDtfsCounter, 704 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:40,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1204 Invalid, 2671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 14:29:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27040 states.
[2024-12-02 14:29:40,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27040 to 27040.
[2024-12-02 14:29:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27040 states, 27039 states have (on average 1.13243832981989) internal successors, (30620), 27039 states have internal predecessors, (30620), 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 14:29:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27040 states to 27040 states and 30620 transitions.
[2024-12-02 14:29:40,550 INFO L78 Accepts]: Start accepts. Automaton has 27040 states and 30620 transitions. Word has length 346
[2024-12-02 14:29:40,550 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:40,550 INFO L471 AbstractCegarLoop]: Abstraction has 27040 states and 30620 transitions.
[2024-12-02 14:29:40,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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 14:29:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27040 states and 30620 transitions.
[2024-12-02 14:29:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375
[2024-12-02 14:29:40,553 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:40,553 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:29:40,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 14:29:40,554 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:40,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:40,554 INFO L85 PathProgramCache]: Analyzing trace with hash 34930938, now seen corresponding path program 1 times
[2024-12-02 14:29:40,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:40,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315652385]
[2024-12-02 14:29:40,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:40,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-12-02 14:29:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:40,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315652385]
[2024-12-02 14:29:40,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315652385] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:40,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:40,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:40,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431009120]
[2024-12-02 14:29:40,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:40,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:40,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:40,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:40,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:40,905 INFO L87 Difference]: Start difference. First operand 27040 states and 30620 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 14:29:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:43,751 INFO L93 Difference]: Finished difference Result 67596 states and 76817 transitions.
[2024-12-02 14:29:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:43,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 374
[2024-12-02 14:29:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:43,789 INFO L225 Difference]: With dead ends: 67596
[2024-12-02 14:29:43,789 INFO L226 Difference]: Without dead ends: 41309
[2024-12-02 14:29:43,802 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 14:29:43,803 INFO L435 NwaCegarLoop]: 1215 mSDtfsCounter, 645 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:43,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 1222 Invalid, 2939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-12-02 14:29:43,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41309 states.
[2024-12-02 14:29:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41309 to 40558.
[2024-12-02 14:29:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40558 states, 40557 states have (on average 1.126537958922011) internal successors, (45689), 40557 states have internal predecessors, (45689), 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 14:29:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40558 states to 40558 states and 45689 transitions.
[2024-12-02 14:29:44,136 INFO L78 Accepts]: Start accepts. Automaton has 40558 states and 45689 transitions. Word has length 374
[2024-12-02 14:29:44,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:44,136 INFO L471 AbstractCegarLoop]: Abstraction has 40558 states and 45689 transitions.
[2024-12-02 14:29:44,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 14:29:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand 40558 states and 45689 transitions.
[2024-12-02 14:29:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379
[2024-12-02 14:29:44,139 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:44,140 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:29:44,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 14:29:44,140 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:44,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1471075396, now seen corresponding path program 1 times
[2024-12-02 14:29:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:44,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698627085]
[2024-12-02 14:29:44,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2024-12-02 14:29:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698627085]
[2024-12-02 14:29:44,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698627085] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:44,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:44,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:44,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946390107]
[2024-12-02 14:29:44,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:44,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:44,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:44,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:44,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:44,420 INFO L87 Difference]: Start difference. First operand 40558 states and 45689 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 14:29:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:47,116 INFO L93 Difference]: Finished difference Result 98387 states and 112071 transitions.
[2024-12-02 14:29:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:47,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 378
[2024-12-02 14:29:47,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:47,226 INFO L225 Difference]: With dead ends: 98387
[2024-12-02 14:29:47,226 INFO L226 Difference]: Without dead ends: 53325
[2024-12-02 14:29:47,241 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 14:29:47,242 INFO L435 NwaCegarLoop]: 1286 mSDtfsCounter, 746 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:47,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 1294 Invalid, 2820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [611 Valid, 2209 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 14:29:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53325 states.
[2024-12-02 14:29:47,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53325 to 52574.
[2024-12-02 14:29:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52574 states, 52573 states have (on average 1.1147547220055922) internal successors, (58606), 52573 states have internal predecessors, (58606), 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 14:29:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52574 states to 52574 states and 58606 transitions.
[2024-12-02 14:29:47,710 INFO L78 Accepts]: Start accepts. Automaton has 52574 states and 58606 transitions. Word has length 378
[2024-12-02 14:29:47,710 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:47,710 INFO L471 AbstractCegarLoop]: Abstraction has 52574 states and 58606 transitions.
[2024-12-02 14:29:47,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 14:29:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 52574 states and 58606 transitions.
[2024-12-02 14:29:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451
[2024-12-02 14:29:47,718 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:47,719 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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]
[2024-12-02 14:29:47,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 14:29:47,719 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash -219790699, now seen corresponding path program 1 times
[2024-12-02 14:29:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262386111]
[2024-12-02 14:29:47,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:47,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked.
[2024-12-02 14:29:48,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:48,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262386111]
[2024-12-02 14:29:48,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262386111] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:48,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:48,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:48,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618289713]
[2024-12-02 14:29:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:48,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:48,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:48,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:48,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:48,096 INFO L87 Difference]: Start difference. First operand 52574 states and 58606 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:29:50,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:50,835 INFO L93 Difference]: Finished difference Result 105146 states and 117234 transitions.
[2024-12-02 14:29:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:50,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 450
[2024-12-02 14:29:50,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:50,870 INFO L225 Difference]: With dead ends: 105146
[2024-12-02 14:29:50,870 INFO L226 Difference]: Without dead ends: 53325
[2024-12-02 14:29:50,889 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 14:29:50,889 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 705 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 2889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:50,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 260 Invalid, 2889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 14:29:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53325 states.
[2024-12-02 14:29:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53325 to 51072.
[2024-12-02 14:29:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51072 states, 51071 states have (on average 1.112138003955278) internal successors, (56798), 51071 states have internal predecessors, (56798), 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 14:29:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51072 states to 51072 states and 56798 transitions.
[2024-12-02 14:29:51,314 INFO L78 Accepts]: Start accepts. Automaton has 51072 states and 56798 transitions. Word has length 450
[2024-12-02 14:29:51,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:51,315 INFO L471 AbstractCegarLoop]: Abstraction has 51072 states and 56798 transitions.
[2024-12-02 14:29:51,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:29:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 51072 states and 56798 transitions.
[2024-12-02 14:29:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462
[2024-12-02 14:29:51,322 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:51,323 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, 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, 3, 3, 3, 3, 3, 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]
[2024-12-02 14:29:51,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 14:29:51,323 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:51,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:51,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1195609237, now seen corresponding path program 1 times
[2024-12-02 14:29:51,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:51,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038750394]
[2024-12-02 14:29:51,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:51,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2024-12-02 14:29:51,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:51,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038750394]
[2024-12-02 14:29:51,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038750394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:51,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:51,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:51,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536692867]
[2024-12-02 14:29:51,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:51,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:51,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:51,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:51,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:51,527 INFO L87 Difference]: Start difference. First operand 51072 states and 56798 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:29:54,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:54,348 INFO L93 Difference]: Finished difference Result 104395 states and 115909 transitions.
[2024-12-02 14:29:54,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:54,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 461
[2024-12-02 14:29:54,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:54,386 INFO L225 Difference]: With dead ends: 104395
[2024-12-02 14:29:54,386 INFO L226 Difference]: Without dead ends: 54076
[2024-12-02 14:29:54,401 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 14:29:54,402 INFO L435 NwaCegarLoop]: 1169 mSDtfsCounter, 738 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2073 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 2073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:54,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1176 Invalid, 2669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 2073 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 14:29:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54076 states.
[2024-12-02 14:29:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54076 to 52574.
[2024-12-02 14:29:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52574 states, 52573 states have (on average 1.071177220246134) internal successors, (56315), 52573 states have internal predecessors, (56315), 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 14:29:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52574 states to 52574 states and 56315 transitions.
[2024-12-02 14:29:54,872 INFO L78 Accepts]: Start accepts. Automaton has 52574 states and 56315 transitions. Word has length 461
[2024-12-02 14:29:54,872 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:54,873 INFO L471 AbstractCegarLoop]: Abstraction has 52574 states and 56315 transitions.
[2024-12-02 14:29:54,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:29:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 52574 states and 56315 transitions.
[2024-12-02 14:29:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489
[2024-12-02 14:29:54,881 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:54,881 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:54,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 14:29:54,881 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:54,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash -940077494, now seen corresponding path program 1 times
[2024-12-02 14:29:54,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:54,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113508215]
[2024-12-02 14:29:54,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:54,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-12-02 14:29:55,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:55,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113508215]
[2024-12-02 14:29:55,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113508215] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:55,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:55,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:55,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197073865]
[2024-12-02 14:29:55,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:55,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:55,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:55,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:55,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:55,106 INFO L87 Difference]: Start difference. First operand 52574 states and 56315 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:29:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:29:58,234 INFO L93 Difference]: Finished difference Result 143447 states and 154116 transitions.
[2024-12-02 14:29:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:29:58,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 488
[2024-12-02 14:29:58,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:29:58,299 INFO L225 Difference]: With dead ends: 143447
[2024-12-02 14:29:58,299 INFO L226 Difference]: Without dead ends: 91626
[2024-12-02 14:29:58,322 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 14:29:58,323 INFO L435 NwaCegarLoop]: 1311 mSDtfsCounter, 656 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 2851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:29:58,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 1319 Invalid, 2851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 2343 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 14:29:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91626 states.
[2024-12-02 14:29:58,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91626 to 82614.
[2024-12-02 14:29:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82614 states, 82613 states have (on average 1.060474743684408) internal successors, (87609), 82613 states have internal predecessors, (87609), 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 14:29:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82614 states to 82614 states and 87609 transitions.
[2024-12-02 14:29:59,068 INFO L78 Accepts]: Start accepts. Automaton has 82614 states and 87609 transitions. Word has length 488
[2024-12-02 14:29:59,068 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:29:59,068 INFO L471 AbstractCegarLoop]: Abstraction has 82614 states and 87609 transitions.
[2024-12-02 14:29:59,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:29:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 82614 states and 87609 transitions.
[2024-12-02 14:29:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489
[2024-12-02 14:29:59,072 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:29:59,073 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, 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, 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, 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 14:29:59,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 14:29:59,073 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:29:59,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:29:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1231520266, now seen corresponding path program 1 times
[2024-12-02 14:29:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:29:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563310939]
[2024-12-02 14:29:59,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:29:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:29:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:29:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked.
[2024-12-02 14:29:59,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:29:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563310939]
[2024-12-02 14:29:59,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563310939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:29:59,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:29:59,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:29:59,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705581273]
[2024-12-02 14:29:59,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:29:59,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:29:59,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:29:59,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:29:59,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:29:59,273 INFO L87 Difference]: Start difference. First operand 82614 states and 87609 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:30:02,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:02,236 INFO L93 Difference]: Finished difference Result 186254 states and 198757 transitions.
[2024-12-02 14:30:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:02,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 488
[2024-12-02 14:30:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:02,310 INFO L225 Difference]: With dead ends: 186254
[2024-12-02 14:30:02,310 INFO L226 Difference]: Without dead ends: 104393
[2024-12-02 14:30:02,335 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 14:30:02,336 INFO L435 NwaCegarLoop]: 1270 mSDtfsCounter, 668 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:02,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 1278 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 14:30:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104393 states.
[2024-12-02 14:30:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104393 to 101389.
[2024-12-02 14:30:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101389 states, 101388 states have (on average 1.055479938454255) internal successors, (107013), 101388 states have internal predecessors, (107013), 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 14:30:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101389 states to 101389 states and 107013 transitions.
[2024-12-02 14:30:03,329 INFO L78 Accepts]: Start accepts. Automaton has 101389 states and 107013 transitions. Word has length 488
[2024-12-02 14:30:03,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:03,330 INFO L471 AbstractCegarLoop]: Abstraction has 101389 states and 107013 transitions.
[2024-12-02 14:30:03,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:30:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 101389 states and 107013 transitions.
[2024-12-02 14:30:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537
[2024-12-02 14:30:03,339 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:03,340 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:03,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 14:30:03,340 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:03,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1212922014, now seen corresponding path program 1 times
[2024-12-02 14:30:03,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:03,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506857017]
[2024-12-02 14:30:03,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:03,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 14:30:04,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:04,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506857017]
[2024-12-02 14:30:04,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506857017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:04,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:04,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:30:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166904589]
[2024-12-02 14:30:04,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:04,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:30:04,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:04,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:30:04,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:30:04,165 INFO L87 Difference]: Start difference. First operand 101389 states and 107013 transitions. Second operand has 4 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 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 14:30:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:08,453 INFO L93 Difference]: Finished difference Result 208033 states and 219495 transitions.
[2024-12-02 14:30:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:30:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 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 536
[2024-12-02 14:30:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:08,534 INFO L225 Difference]: With dead ends: 208033
[2024-12-02 14:30:08,534 INFO L226 Difference]: Without dead ends: 107397
[2024-12-02 14:30:08,560 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 14:30:08,561 INFO L435 NwaCegarLoop]: 982 mSDtfsCounter, 1302 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5339 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 5339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:08,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 1004 Invalid, 5756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 5339 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2024-12-02 14:30:08,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107397 states.
[2024-12-02 14:30:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107397 to 101389.
[2024-12-02 14:30:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101389 states, 101388 states have (on average 1.050420168067227) internal successors, (106500), 101388 states have internal predecessors, (106500), 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 14:30:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101389 states to 101389 states and 106500 transitions.
[2024-12-02 14:30:09,482 INFO L78 Accepts]: Start accepts. Automaton has 101389 states and 106500 transitions. Word has length 536
[2024-12-02 14:30:09,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:09,483 INFO L471 AbstractCegarLoop]: Abstraction has 101389 states and 106500 transitions.
[2024-12-02 14:30:09,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.75) internal successors, (459), 4 states have internal predecessors, (459), 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 14:30:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 101389 states and 106500 transitions.
[2024-12-02 14:30:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543
[2024-12-02 14:30:09,489 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:09,489 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 14:30:09,489 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:09,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1768587887, now seen corresponding path program 1 times
[2024-12-02 14:30:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:09,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92095061]
[2024-12-02 14:30:09,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 398 proven. 240 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 14:30:10,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92095061]
[2024-12-02 14:30:10,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92095061] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:30:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370865731]
[2024-12-02 14:30:10,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:10,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:30:10,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:30:10,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 14:30:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:10,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 14:30:10,766 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:30:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked.
[2024-12-02 14:30:10,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:30:10,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370865731] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:10,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:30:10,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-12-02 14:30:10,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467508514]
[2024-12-02 14:30:10,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:10,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:30:10,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:10,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:30:10,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:10,878 INFO L87 Difference]: Start difference. First operand 101389 states and 106500 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:30:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:13,689 INFO L93 Difference]: Finished difference Result 218547 states and 229729 transitions.
[2024-12-02 14:30:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 542
[2024-12-02 14:30:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:13,786 INFO L225 Difference]: With dead ends: 218547
[2024-12-02 14:30:13,786 INFO L226 Difference]: Without dead ends: 117911
[2024-12-02 14:30:13,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:13,827 INFO L435 NwaCegarLoop]: 1109 mSDtfsCounter, 827 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:13,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 1117 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 14:30:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117911 states.
[2024-12-02 14:30:14,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117911 to 116409.
[2024-12-02 14:30:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116409 states, 116408 states have (on average 1.0464916500584152) internal successors, (121820), 116408 states have internal predecessors, (121820), 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 14:30:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116409 states to 116409 states and 121820 transitions.
[2024-12-02 14:30:14,910 INFO L78 Accepts]: Start accepts. Automaton has 116409 states and 121820 transitions. Word has length 542
[2024-12-02 14:30:14,911 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:14,911 INFO L471 AbstractCegarLoop]: Abstraction has 116409 states and 121820 transitions.
[2024-12-02 14:30:14,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:30:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 116409 states and 121820 transitions.
[2024-12-02 14:30:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726
[2024-12-02 14:30:14,924 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:14,925 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 14:30:14,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 14:30:15,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:15,125 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:15,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:15,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1478363861, now seen corresponding path program 1 times
[2024-12-02 14:30:15,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:15,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505518417]
[2024-12-02 14:30:15,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 451 proven. 360 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 14:30:16,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:16,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505518417]
[2024-12-02 14:30:16,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505518417] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:30:16,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798512968]
[2024-12-02 14:30:16,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:16,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:30:16,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:30:16,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 14:30:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:16,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 14:30:16,648 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:30:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2024-12-02 14:30:17,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:30:17,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798512968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:17,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:30:17,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-12-02 14:30:17,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415230253]
[2024-12-02 14:30:17,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:17,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:30:17,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:17,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:30:17,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:17,657 INFO L87 Difference]: Start difference. First operand 116409 states and 121820 transitions. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 14:30:20,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:20,117 INFO L93 Difference]: Finished difference Result 233567 states and 244390 transitions.
[2024-12-02 14:30:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:20,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 725
[2024-12-02 14:30:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:20,209 INFO L225 Difference]: With dead ends: 233567
[2024-12-02 14:30:20,209 INFO L226 Difference]: Without dead ends: 116409
[2024-12-02 14:30:20,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:20,259 INFO L435 NwaCegarLoop]: 1344 mSDtfsCounter, 489 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:20,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1352 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-12-02 14:30:20,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116409 states.
[2024-12-02 14:30:21,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116409 to 115658.
[2024-12-02 14:30:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115658 states, 115657 states have (on average 1.0430669998357212) internal successors, (120638), 115657 states have internal predecessors, (120638), 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 14:30:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115658 states to 115658 states and 120638 transitions.
[2024-12-02 14:30:21,789 INFO L78 Accepts]: Start accepts. Automaton has 115658 states and 120638 transitions. Word has length 725
[2024-12-02 14:30:21,789 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:21,789 INFO L471 AbstractCegarLoop]: Abstraction has 115658 states and 120638 transitions.
[2024-12-02 14:30:21,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 14:30:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 115658 states and 120638 transitions.
[2024-12-02 14:30:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776
[2024-12-02 14:30:21,813 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:21,813 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, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:21,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 14:30:22,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 14:30:22,014 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:22,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash 799646942, now seen corresponding path program 1 times
[2024-12-02 14:30:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914173438]
[2024-12-02 14:30:22,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:22,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:30:23,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:23,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914173438]
[2024-12-02 14:30:23,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914173438] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:23,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:23,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:30:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576012595]
[2024-12-02 14:30:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:23,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:30:23,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:23,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:30:23,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:30:23,378 INFO L87 Difference]: Start difference. First operand 115658 states and 120638 transitions. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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 14:30:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:27,169 INFO L93 Difference]: Finished difference Result 231622 states and 241593 transitions.
[2024-12-02 14:30:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 14:30:27,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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 775
[2024-12-02 14:30:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:27,272 INFO L225 Difference]: With dead ends: 231622
[2024-12-02 14:30:27,272 INFO L226 Difference]: Without dead ends: 116717
[2024-12-02 14:30:27,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:30:27,309 INFO L435 NwaCegarLoop]: 1335 mSDtfsCounter, 654 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:27,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1355 Invalid, 4126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 3767 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-12-02 14:30:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116717 states.
[2024-12-02 14:30:28,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116717 to 116409.
[2024-12-02 14:30:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116409 states, 116408 states have (on average 1.0427462030101025) internal successors, (121384), 116408 states have internal predecessors, (121384), 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 14:30:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116409 states to 116409 states and 121384 transitions.
[2024-12-02 14:30:28,190 INFO L78 Accepts]: Start accepts. Automaton has 116409 states and 121384 transitions. Word has length 775
[2024-12-02 14:30:28,191 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:28,191 INFO L471 AbstractCegarLoop]: Abstraction has 116409 states and 121384 transitions.
[2024-12-02 14:30:28,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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 14:30:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 116409 states and 121384 transitions.
[2024-12-02 14:30:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803
[2024-12-02 14:30:28,359 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:28,359 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:30:28,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 14:30:28,359 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:28,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:28,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1311023516, now seen corresponding path program 1 times
[2024-12-02 14:30:28,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:28,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962964224]
[2024-12-02 14:30:28,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 538 proven. 592 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked.
[2024-12-02 14:30:29,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962964224]
[2024-12-02 14:30:29,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962964224] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:30:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352645441]
[2024-12-02 14:30:29,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:29,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:29,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:30:29,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:30:29,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 14:30:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:29,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 14:30:29,753 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:30:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 714 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2024-12-02 14:30:30,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:30:30,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352645441] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:30,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:30:30,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-12-02 14:30:30,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342719052]
[2024-12-02 14:30:30,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:30,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:30:30,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:30,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:30:30,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:30:30,663 INFO L87 Difference]: Start difference. First operand 116409 states and 121384 transitions. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 14:30:33,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:33,243 INFO L93 Difference]: Finished difference Result 233567 states and 243533 transitions.
[2024-12-02 14:30:33,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:33,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 802
[2024-12-02 14:30:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:33,347 INFO L225 Difference]: With dead ends: 233567
[2024-12-02 14:30:33,347 INFO L226 Difference]: Without dead ends: 115658
[2024-12-02 14:30:33,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 807 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:30:33,402 INFO L435 NwaCegarLoop]: 1350 mSDtfsCounter, 489 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:33,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1358 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 14:30:33,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115658 states.
[2024-12-02 14:30:34,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115658 to 114907.
[2024-12-02 14:30:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114907 states, 114906 states have (on average 1.0423302525542617) internal successors, (119770), 114906 states have internal predecessors, (119770), 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 14:30:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114907 states to 114907 states and 119770 transitions.
[2024-12-02 14:30:34,559 INFO L78 Accepts]: Start accepts. Automaton has 114907 states and 119770 transitions. Word has length 802
[2024-12-02 14:30:34,560 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:34,560 INFO L471 AbstractCegarLoop]: Abstraction has 114907 states and 119770 transitions.
[2024-12-02 14:30:34,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 14:30:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 114907 states and 119770 transitions.
[2024-12-02 14:30:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828
[2024-12-02 14:30:34,588 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:34,588 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2024-12-02 14:30:34,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 14:30:34,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:34,789 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:34,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:34,789 INFO L85 PathProgramCache]: Analyzing trace with hash 992407228, now seen corresponding path program 1 times
[2024-12-02 14:30:34,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:34,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308864594]
[2024-12-02 14:30:34,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:34,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 694 proven. 45 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked.
[2024-12-02 14:30:36,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:36,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308864594]
[2024-12-02 14:30:36,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308864594] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:30:36,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154417654]
[2024-12-02 14:30:36,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:36,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:36,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:30:36,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:30:36,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 14:30:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:36,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:30:36,204 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:30:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked.
[2024-12-02 14:30:36,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:30:36,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154417654] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:36,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:30:36,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-12-02 14:30:36,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933981837]
[2024-12-02 14:30:36,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:36,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:30:36,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:36,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:30:36,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:36,394 INFO L87 Difference]: Start difference. First operand 114907 states and 119770 transitions. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 14:30:39,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:39,031 INFO L93 Difference]: Finished difference Result 229812 states and 239556 transitions.
[2024-12-02 14:30:39,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:39,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 827
[2024-12-02 14:30:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:39,118 INFO L225 Difference]: With dead ends: 229812
[2024-12-02 14:30:39,118 INFO L226 Difference]: Without dead ends: 114907
[2024-12-02 14:30:39,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:30:39,155 INFO L435 NwaCegarLoop]: 1340 mSDtfsCounter, 674 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:39,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1348 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 14:30:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114907 states.
[2024-12-02 14:30:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114907 to 114156.
[2024-12-02 14:30:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114156 states, 114155 states have (on average 1.0417852919276422) internal successors, (118925), 114155 states have internal predecessors, (118925), 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 14:30:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114156 states to 114156 states and 118925 transitions.
[2024-12-02 14:30:40,186 INFO L78 Accepts]: Start accepts. Automaton has 114156 states and 118925 transitions. Word has length 827
[2024-12-02 14:30:40,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:40,186 INFO L471 AbstractCegarLoop]: Abstraction has 114156 states and 118925 transitions.
[2024-12-02 14:30:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 14:30:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 114156 states and 118925 transitions.
[2024-12-02 14:30:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842
[2024-12-02 14:30:40,206 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:40,206 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:30:40,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 14:30:40,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:40,407 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:40,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:40,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1375458458, now seen corresponding path program 1 times
[2024-12-02 14:30:40,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:40,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383444663]
[2024-12-02 14:30:40,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 1186 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-12-02 14:30:41,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:41,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383444663]
[2024-12-02 14:30:41,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383444663] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:41,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:41,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:30:41,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417133437]
[2024-12-02 14:30:41,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:41,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:30:41,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:41,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:30:41,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:30:41,405 INFO L87 Difference]: Start difference. First operand 114156 states and 118925 transitions. Second operand has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 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 14:30:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:45,790 INFO L93 Difference]: Finished difference Result 235069 states and 244804 transitions.
[2024-12-02 14:30:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:30:45,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 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 841
[2024-12-02 14:30:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:45,881 INFO L225 Difference]: With dead ends: 235069
[2024-12-02 14:30:45,881 INFO L226 Difference]: Without dead ends: 121666
[2024-12-02 14:30:45,924 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 14:30:45,925 INFO L435 NwaCegarLoop]: 1289 mSDtfsCounter, 1237 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5280 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 5474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 5280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:45,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 1311 Invalid, 5474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 5280 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2024-12-02 14:30:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121666 states.
[2024-12-02 14:30:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121666 to 121666.
[2024-12-02 14:30:47,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121666 states, 121665 states have (on average 1.0385977890108085) internal successors, (126361), 121665 states have internal predecessors, (126361), 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 14:30:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121666 states to 121666 states and 126361 transitions.
[2024-12-02 14:30:47,203 INFO L78 Accepts]: Start accepts. Automaton has 121666 states and 126361 transitions. Word has length 841
[2024-12-02 14:30:47,204 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:47,204 INFO L471 AbstractCegarLoop]: Abstraction has 121666 states and 126361 transitions.
[2024-12-02 14:30:47,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 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 14:30:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 121666 states and 126361 transitions.
[2024-12-02 14:30:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868
[2024-12-02 14:30:47,238 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:47,238 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, 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, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:30:47,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 14:30:47,238 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:47,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:47,239 INFO L85 PathProgramCache]: Analyzing trace with hash -902176985, now seen corresponding path program 1 times
[2024-12-02 14:30:47,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:47,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787979383]
[2024-12-02 14:30:47,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:47,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 964 proven. 90 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:30:48,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:48,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787979383]
[2024-12-02 14:30:48,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787979383] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:30:48,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684637719]
[2024-12-02 14:30:48,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:48,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:48,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:30:48,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:30:48,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 14:30:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:48,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:30:48,812 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:30:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 1054 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:30:49,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:30:49,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684637719] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:49,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:30:49,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9
[2024-12-02 14:30:49,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606858615]
[2024-12-02 14:30:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:49,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:30:49,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:49,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:30:49,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:30:49,456 INFO L87 Difference]: Start difference. First operand 121666 states and 126361 transitions. Second operand has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:30:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:52,891 INFO L93 Difference]: Finished difference Result 244081 states and 253480 transitions.
[2024-12-02 14:30:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:30:52,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 867
[2024-12-02 14:30:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:52,986 INFO L225 Difference]: With dead ends: 244081
[2024-12-02 14:30:52,986 INFO L226 Difference]: Without dead ends: 123168
[2024-12-02 14:30:53,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:30:53,034 INFO L435 NwaCegarLoop]: 382 mSDtfsCounter, 1186 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3552 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 3733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 3552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:53,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 398 Invalid, 3733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 3552 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-12-02 14:30:53,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123168 states.
[2024-12-02 14:30:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123168 to 120915.
[2024-12-02 14:30:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120915 states, 120914 states have (on average 1.037067667929272) internal successors, (125396), 120914 states have internal predecessors, (125396), 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 14:30:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120915 states to 120915 states and 125396 transitions.
[2024-12-02 14:30:54,207 INFO L78 Accepts]: Start accepts. Automaton has 120915 states and 125396 transitions. Word has length 867
[2024-12-02 14:30:54,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:54,207 INFO L471 AbstractCegarLoop]: Abstraction has 120915 states and 125396 transitions.
[2024-12-02 14:30:54,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:30:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 120915 states and 125396 transitions.
[2024-12-02 14:30:54,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888
[2024-12-02 14:30:54,229 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:54,230 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:30:54,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 14:30:54,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:30:54,430 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:54,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:54,431 INFO L85 PathProgramCache]: Analyzing trace with hash 94848620, now seen corresponding path program 1 times
[2024-12-02 14:30:54,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:54,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295948767]
[2024-12-02 14:30:54,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:54,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:30:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 996 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked.
[2024-12-02 14:30:55,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:30:55,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295948767]
[2024-12-02 14:30:55,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295948767] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:30:55,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:30:55,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:30:55,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024691449]
[2024-12-02 14:30:55,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:30:55,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:30:55,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:30:55,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:30:55,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:30:55,216 INFO L87 Difference]: Start difference. First operand 120915 states and 125396 transitions. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 14:30:57,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:30:57,805 INFO L93 Difference]: Finished difference Result 243330 states and 252317 transitions.
[2024-12-02 14:30:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:30:57,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 887
[2024-12-02 14:30:57,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:30:57,896 INFO L225 Difference]: With dead ends: 243330
[2024-12-02 14:30:57,896 INFO L226 Difference]: Without dead ends: 120915
[2024-12-02 14:30:57,937 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 14:30:57,937 INFO L435 NwaCegarLoop]: 1272 mSDtfsCounter, 675 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:30:57,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1279 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 14:30:58,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120915 states.
[2024-12-02 14:30:58,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120915 to 120164.
[2024-12-02 14:30:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120164 states, 120163 states have (on average 1.0364504880870151) internal successors, (124543), 120163 states have internal predecessors, (124543), 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 14:30:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120164 states to 120164 states and 124543 transitions.
[2024-12-02 14:30:58,827 INFO L78 Accepts]: Start accepts. Automaton has 120164 states and 124543 transitions. Word has length 887
[2024-12-02 14:30:58,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:30:58,828 INFO L471 AbstractCegarLoop]: Abstraction has 120164 states and 124543 transitions.
[2024-12-02 14:30:58,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 14:30:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 120164 states and 124543 transitions.
[2024-12-02 14:30:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908
[2024-12-02 14:30:58,849 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:30:58,849 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, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:58,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 14:30:58,849 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:30:58,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:30:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash -731115128, now seen corresponding path program 1 times
[2024-12-02 14:30:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:30:58,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533009710]
[2024-12-02 14:30:58,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:30:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:30:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 946 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:31:01,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:01,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533009710]
[2024-12-02 14:31:01,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533009710] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:31:01,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811643501]
[2024-12-02 14:31:01,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:01,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:31:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:31:01,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:31:01,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 14:31:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:01,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:31:01,335 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:31:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:31:01,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:31:01,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811643501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:01,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:31:01,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-12-02 14:31:01,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458352805]
[2024-12-02 14:31:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:01,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:31:01,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:01,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:31:01,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:31:01,858 INFO L87 Difference]: Start difference. First operand 120164 states and 124543 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 14:31:04,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:04,430 INFO L93 Difference]: Finished difference Result 239575 states and 248328 transitions.
[2024-12-02 14:31:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:31:04,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 907
[2024-12-02 14:31:04,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:04,532 INFO L225 Difference]: With dead ends: 239575
[2024-12-02 14:31:04,532 INFO L226 Difference]: Without dead ends: 119413
[2024-12-02 14:31:04,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:31:04,585 INFO L435 NwaCegarLoop]: 1302 mSDtfsCounter, 501 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:04,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1309 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 14:31:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119413 states.
[2024-12-02 14:31:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119413 to 118662.
[2024-12-02 14:31:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118662 states, 118661 states have (on average 1.0360775655017234) internal successors, (122942), 118661 states have internal predecessors, (122942), 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 14:31:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118662 states to 118662 states and 122942 transitions.
[2024-12-02 14:31:05,877 INFO L78 Accepts]: Start accepts. Automaton has 118662 states and 122942 transitions. Word has length 907
[2024-12-02 14:31:05,878 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:05,878 INFO L471 AbstractCegarLoop]: Abstraction has 118662 states and 122942 transitions.
[2024-12-02 14:31:05,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 14:31:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 118662 states and 122942 transitions.
[2024-12-02 14:31:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950
[2024-12-02 14:31:05,920 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:05,920 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:31:05,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 14:31:06,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:31:06,121 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:06,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:06,122 INFO L85 PathProgramCache]: Analyzing trace with hash 649991464, now seen corresponding path program 1 times
[2024-12-02 14:31:06,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:06,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185636510]
[2024-12-02 14:31:06,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 791 proven. 696 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 14:31:07,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185636510]
[2024-12-02 14:31:07,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185636510] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:31:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231927496]
[2024-12-02 14:31:07,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:07,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:31:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:31:07,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:31:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 14:31:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:07,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:31:07,637 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:31:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 861 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked.
[2024-12-02 14:31:08,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:31:08,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231927496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:08,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:31:08,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9
[2024-12-02 14:31:08,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296683716]
[2024-12-02 14:31:08,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:08,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:31:08,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:08,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:31:08,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:31:08,155 INFO L87 Difference]: Start difference. First operand 118662 states and 122942 transitions. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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 14:31:11,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:11,483 INFO L93 Difference]: Finished difference Result 285386 states and 296578 transitions.
[2024-12-02 14:31:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:31:11,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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 949
[2024-12-02 14:31:11,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:11,613 INFO L225 Difference]: With dead ends: 285386
[2024-12-02 14:31:11,614 INFO L226 Difference]: Without dead ends: 166726
[2024-12-02 14:31:11,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 955 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:31:11,668 INFO L435 NwaCegarLoop]: 1292 mSDtfsCounter, 498 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:11,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1300 Invalid, 2779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 14:31:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166726 states.
[2024-12-02 14:31:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166726 to 156963.
[2024-12-02 14:31:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156963 states, 156962 states have (on average 1.0315681502529275) internal successors, (161917), 156962 states have internal predecessors, (161917), 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 14:31:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156963 states to 156963 states and 161917 transitions.
[2024-12-02 14:31:13,349 INFO L78 Accepts]: Start accepts. Automaton has 156963 states and 161917 transitions. Word has length 949
[2024-12-02 14:31:13,349 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:13,349 INFO L471 AbstractCegarLoop]: Abstraction has 156963 states and 161917 transitions.
[2024-12-02 14:31:13,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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 14:31:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 156963 states and 161917 transitions.
[2024-12-02 14:31:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984
[2024-12-02 14:31:13,372 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:13,373 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:13,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 14:31:13,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2024-12-02 14:31:13,573 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:13,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1331904108, now seen corresponding path program 1 times
[2024-12-02 14:31:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530407314]
[2024-12-02 14:31:13,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked.
[2024-12-02 14:31:14,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530407314]
[2024-12-02 14:31:14,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530407314] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:14,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:14,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:31:14,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118124951]
[2024-12-02 14:31:14,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:14,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:31:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:14,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:31:14,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:31:14,851 INFO L87 Difference]: Start difference. First operand 156963 states and 161917 transitions. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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 14:31:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:17,809 INFO L93 Difference]: Finished difference Result 322185 states and 332552 transitions.
[2024-12-02 14:31:17,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:31:17,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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 983
[2024-12-02 14:31:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:17,934 INFO L225 Difference]: With dead ends: 322185
[2024-12-02 14:31:17,935 INFO L226 Difference]: Without dead ends: 165975
[2024-12-02 14:31:17,998 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 14:31:17,999 INFO L435 NwaCegarLoop]: 1344 mSDtfsCounter, 302 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:17,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1352 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 14:31:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165975 states.
[2024-12-02 14:31:19,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165975 to 165975.
[2024-12-02 14:31:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165975 states, 165974 states have (on average 1.0304264523359081) internal successors, (171024), 165974 states have internal predecessors, (171024), 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 14:31:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165975 states to 165975 states and 171024 transitions.
[2024-12-02 14:31:19,409 INFO L78 Accepts]: Start accepts. Automaton has 165975 states and 171024 transitions. Word has length 983
[2024-12-02 14:31:19,409 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:19,409 INFO L471 AbstractCegarLoop]: Abstraction has 165975 states and 171024 transitions.
[2024-12-02 14:31:19,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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 14:31:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 165975 states and 171024 transitions.
[2024-12-02 14:31:19,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1019
[2024-12-02 14:31:19,440 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:19,440 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 14:31:19,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 14:31:19,441 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:19,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:19,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1475423331, now seen corresponding path program 1 times
[2024-12-02 14:31:19,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:19,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452075281]
[2024-12-02 14:31:19,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:19,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 1728 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:31:21,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:21,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452075281]
[2024-12-02 14:31:21,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452075281] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:31:21,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104950181]
[2024-12-02 14:31:21,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:21,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:31:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:31:21,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:31:21,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 14:31:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:21,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 14:31:21,455 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:31:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 1662 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked.
[2024-12-02 14:31:22,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:31:22,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104950181] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:22,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 14:31:22,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8
[2024-12-02 14:31:22,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430189635]
[2024-12-02 14:31:22,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:22,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:31:22,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:22,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:31:22,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:31:22,603 INFO L87 Difference]: Start difference. First operand 165975 states and 171024 transitions. Second operand has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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 14:31:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:26,787 INFO L93 Difference]: Finished difference Result 333450 states and 343692 transitions.
[2024-12-02 14:31:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:31:26,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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 1018
[2024-12-02 14:31:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:26,942 INFO L225 Difference]: With dead ends: 333450
[2024-12-02 14:31:26,942 INFO L226 Difference]: Without dead ends: 168228
[2024-12-02 14:31:27,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1017 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:31:27,018 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 1147 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4323 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 4323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:27,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 393 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 4323 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-12-02 14:31:27,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168228 states.
[2024-12-02 14:31:28,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168228 to 165224.
[2024-12-02 14:31:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165224 states, 165223 states have (on average 1.0299231947126006) internal successors, (170167), 165223 states have internal predecessors, (170167), 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 14:31:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165224 states to 165224 states and 170167 transitions.
[2024-12-02 14:31:28,598 INFO L78 Accepts]: Start accepts. Automaton has 165224 states and 170167 transitions. Word has length 1018
[2024-12-02 14:31:28,598 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:28,598 INFO L471 AbstractCegarLoop]: Abstraction has 165224 states and 170167 transitions.
[2024-12-02 14:31:28,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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 14:31:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 165224 states and 170167 transitions.
[2024-12-02 14:31:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125
[2024-12-02 14:31:28,641 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:28,641 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:28,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 14:31:28,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2024-12-02 14:31:28,842 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:28,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:28,843 INFO L85 PathProgramCache]: Analyzing trace with hash -874601961, now seen corresponding path program 1 times
[2024-12-02 14:31:28,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:28,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231329137]
[2024-12-02 14:31:28,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:28,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2463 backedges. 1621 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked.
[2024-12-02 14:31:29,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:29,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231329137]
[2024-12-02 14:31:29,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231329137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:29,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:29,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:31:29,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261533048]
[2024-12-02 14:31:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:29,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:31:29,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:29,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:31:29,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:31:29,933 INFO L87 Difference]: Start difference. First operand 165224 states and 170167 transitions. Second operand has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 14:31:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:33,159 INFO L93 Difference]: Finished difference Result 329695 states and 339576 transitions.
[2024-12-02 14:31:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:31:33,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 1124
[2024-12-02 14:31:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:33,290 INFO L225 Difference]: With dead ends: 329695
[2024-12-02 14:31:33,290 INFO L226 Difference]: Without dead ends: 165224
[2024-12-02 14:31:33,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:31:33,346 INFO L435 NwaCegarLoop]: 1349 mSDtfsCounter, 734 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 3040 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 3055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:33,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 2292 Invalid, 3055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3040 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 14:31:33,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165224 states.
[2024-12-02 14:31:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165224 to 165224.
[2024-12-02 14:31:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165224 states, 165223 states have (on average 1.0298324083208754) internal successors, (170152), 165223 states have internal predecessors, (170152), 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 14:31:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165224 states to 165224 states and 170152 transitions.
[2024-12-02 14:31:35,135 INFO L78 Accepts]: Start accepts. Automaton has 165224 states and 170152 transitions. Word has length 1124
[2024-12-02 14:31:35,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:35,136 INFO L471 AbstractCegarLoop]: Abstraction has 165224 states and 170152 transitions.
[2024-12-02 14:31:35,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 14:31:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 165224 states and 170152 transitions.
[2024-12-02 14:31:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1232
[2024-12-02 14:31:35,185 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:35,186 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 14:31:35,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 14:31:35,186 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:35,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:35,186 INFO L85 PathProgramCache]: Analyzing trace with hash 153345179, now seen corresponding path program 1 times
[2024-12-02 14:31:35,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741761509]
[2024-12-02 14:31:35,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 1269 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked.
[2024-12-02 14:31:36,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:36,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741761509]
[2024-12-02 14:31:36,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741761509] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:31:36,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:31:36,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 14:31:36,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945654254]
[2024-12-02 14:31:36,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:31:36,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:31:36,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:36,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:31:36,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:31:36,447 INFO L87 Difference]: Start difference. First operand 165224 states and 170152 transitions. Second operand has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 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 14:31:39,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:31:39,217 INFO L93 Difference]: Finished difference Result 337205 states and 347178 transitions.
[2024-12-02 14:31:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:31:39,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 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 1231
[2024-12-02 14:31:39,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:31:39,352 INFO L225 Difference]: With dead ends: 337205
[2024-12-02 14:31:39,352 INFO L226 Difference]: Without dead ends: 172734
[2024-12-02 14:31:39,415 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 14:31:39,416 INFO L435 NwaCegarLoop]: 1310 mSDtfsCounter, 300 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 14:31:39,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1318 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 14:31:39,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172734 states.
[2024-12-02 14:31:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172734 to 165224.
[2024-12-02 14:31:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165224 states, 165223 states have (on average 1.0293724239361348) internal successors, (170076), 165223 states have internal predecessors, (170076), 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 14:31:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165224 states to 165224 states and 170076 transitions.
[2024-12-02 14:31:40,857 INFO L78 Accepts]: Start accepts. Automaton has 165224 states and 170076 transitions. Word has length 1231
[2024-12-02 14:31:40,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:31:40,857 INFO L471 AbstractCegarLoop]: Abstraction has 165224 states and 170076 transitions.
[2024-12-02 14:31:40,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 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 14:31:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 165224 states and 170076 transitions.
[2024-12-02 14:31:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338
[2024-12-02 14:31:40,912 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:31:40,912 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, 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, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:40,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 14:31:40,912 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:31:40,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:31:40,913 INFO L85 PathProgramCache]: Analyzing trace with hash -775370146, now seen corresponding path program 1 times
[2024-12-02 14:31:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:31:40,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922642460]
[2024-12-02 14:31:40,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:40,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:31:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 1119 proven. 72 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked.
[2024-12-02 14:31:43,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:31:43,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922642460]
[2024-12-02 14:31:43,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922642460] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 14:31:43,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942877248]
[2024-12-02 14:31:43,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:31:43,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:31:43,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:31:43,675 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 14:31:43,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 14:31:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:31:44,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 14:31:44,033 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:31:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 1374 proven. 90 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.
[2024-12-02 14:31:44,874 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 14:31:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 931 proven. 45 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked.
[2024-12-02 14:31:46,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942877248] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 14:31:46,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 14:31:46,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9
[2024-12-02 14:31:46,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701319834]
[2024-12-02 14:31:46,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 14:31:46,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 14:31:46,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:31:46,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 14:31:46,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-12-02 14:31:46,717 INFO L87 Difference]: Start difference. First operand 165224 states and 170076 transitions. Second operand has 9 states, 9 states have (on average 197.33333333333334) internal successors, (1776), 9 states have internal predecessors, (1776), 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 14:32:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:09,864 INFO L93 Difference]: Finished difference Result 337203 states and 346431 transitions.
[2024-12-02 14:32:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-12-02 14:32:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 197.33333333333334) internal successors, (1776), 9 states have internal predecessors, (1776), 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 1337
[2024-12-02 14:32:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:09,867 INFO L225 Difference]: With dead ends: 337203
[2024-12-02 14:32:09,867 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 14:32:09,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2705 GetRequests, 2684 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506
[2024-12-02 14:32:09,929 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 8779 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 35549 mSolverCounterSat, 2444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8779 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 37993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2444 IncrementalHoareTripleChecker+Valid, 35549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:09,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8779 Valid, 284 Invalid, 37993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2444 Valid, 35549 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time]
[2024-12-02 14:32:09,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 14:32:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 14:32:09,930 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 14:32:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 14:32:09,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1337
[2024-12-02 14:32:09,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:09,931 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 14:32:09,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 197.33333333333334) internal successors, (1776), 9 states have internal predecessors, (1776), 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 14:32:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 14:32:09,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 14:32:09,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 14:32:09,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 14:32:10,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 14:32:10,136 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, 1, 1, 1]
[2024-12-02 14:32:10,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 14:32:19,494 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 14:32:19,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:32:19 BoogieIcfgContainer
[2024-12-02 14:32:19,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 14:32:19,522 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:32:19,522 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:32:19,522 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 14:32:19,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:29:11" (3/4) ...
[2024-12-02 14:32:19,525 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 14:32:19,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-12-02 14:32:19,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 14:32:19,575 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 14:32:19,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 14:32:19,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:32:19,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 14:32:19,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:32:19,826 INFO L158 Benchmark]: Toolchain (without parser) took 194571.34ms. Allocated memory was 142.6MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 105.9MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,826 INFO L158 Benchmark]: CDTParser took 0.35ms. 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 14:32:19,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.28ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 57.6MB in the end (delta: 48.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 321.08ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 57.6MB in the beginning and 276.9MB in the end (delta: -219.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,827 INFO L158 Benchmark]: Boogie Preprocessor took 423.78ms. Allocated memory is still 394.3MB. Free memory was 276.9MB in the beginning and 169.6MB in the end (delta: 107.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,827 INFO L158 Benchmark]: RCFGBuilder took 4221.29ms. Allocated memory was 394.3MB in the beginning and 545.3MB in the end (delta: 151.0MB). Free memory was 169.6MB in the beginning and 312.5MB in the end (delta: -142.9MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,827 INFO L158 Benchmark]: TraceAbstraction took 187946.86ms. Allocated memory was 545.3MB in the beginning and 13.3GB in the end (delta: 12.7GB). Free memory was 312.5MB in the beginning and 7.4GB in the end (delta: -7.1GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,827 INFO L158 Benchmark]: Witness Printer took 303.69ms. Allocated memory is still 13.3GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 58.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-12-02 14:32:19,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1348.28ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 57.6MB in the end (delta: 48.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 321.08ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 57.6MB in the beginning and 276.9MB in the end (delta: -219.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 423.78ms. Allocated memory is still 394.3MB. Free memory was 276.9MB in the beginning and 169.6MB in the end (delta: 107.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 4221.29ms. Allocated memory was 394.3MB in the beginning and 545.3MB in the end (delta: 151.0MB). Free memory was 169.6MB in the beginning and 312.5MB in the end (delta: -142.9MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 187946.86ms. Allocated memory was 545.3MB in the beginning and 13.3GB in the end (delta: 12.7GB). Free memory was 312.5MB in the beginning and 7.4GB in the end (delta: -7.1GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB.
* Witness Printer took 303.69ms. Allocated memory is still 13.3GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 58.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 163]: 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, 818 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 178.5s, OverallIterations: 30, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 116.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31227 SdHoareTripleChecker+Valid, 101.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31227 mSDsluCounter, 30548 SdHoareTripleChecker+Invalid, 86.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1453 mSDsCounter, 13448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116051 IncrementalHoareTripleChecker+Invalid, 129499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13448 mSolverCounterUnsat, 29095 mSDtfsCounter, 116051 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9458 GetRequests, 9362 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165975occurred in iteration=26, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.7s AutomataMinimizationTime, 30 MinimizatonAttempts, 55135 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 26707 NumberOfCodeBlocks, 26707 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 28004 ConstructedInterpolants, 0 QuantifiedInterpolants, 107036 SizeOfPredicates, 2 NumberOfNonLiveVariables, 9543 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 40 InterpolantComputations, 29 PerfectInterpolantSequences, 38011/40402 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: 4828]: Loop Invariant
Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((15 <= a24) && (a5 <= 3)) && (190 <= a2)) && (112 <= a17)) || (((a24 == 14) && (a5 <= 4)) && (190 <= a2))) || (((a2 <= 170) && (a17 <= 110)) && (a24 == 14))) || ((((a2 <= 170) && (3 != a5)) && (a5 <= 4)) && (a24 == 13))) || (((((a17 <= 110) && (0 <= ((long long) a17 + 107))) && (15 <= a24)) && (a5 <= 4)) && (190 <= a2))) || ((((a2 <= 170) && (15 <= a24)) && (a5 <= 3)) && (a7 != 12))) || (((a2 <= 170) && (a24 == 14)) && (14 <= a7))) || (((((a2 <= 170) && (a17 <= 110)) && (a7 <= 13)) && (a24 == 13)) && (a7 != 12))) || (((((a2 <= 170) && (a17 <= 110)) && (5 != a5)) && (a24 == 13)) && (a7 == 12))) || ((((0 <= ((long long) a17 + 107)) && (a24 == 13)) && (5 == a5)) && (190 <= a2))) || (((((a17 <= 110) && (a24 == 14)) && (3 != a5)) && (a5 <= 4)) && (a7 == 12))) || ((((((0 <= ((long long) a17 + 107)) && (3 != a5)) && (15 <= a24)) && (a5 <= 4)) && (190 <= a2)) && (a7 != 12))) || ((((a2 <= 170) && (256 <= a17)) && (a24 == 13)) && (a7 == 12))) || ((((a24 == 14) && (5 == a5)) && (190 <= a2)) && (a7 == 12))) || ((((a2 <= 170) && (14 <= a7)) && (a24 == 13)) && (6 == a5))) || (((((a2 <= 170) && (a7 == 13)) && (15 <= a24)) && (((long long) a17 + 450064) <= 0)) && (6 == a5))) || (((a2 <= 170) && (a24 == 14)) && (5 == a5))) || (((256 <= a17) && (14 <= a7)) && ((((a2 <= 170) && (3 != a5)) && (a5 <= 4)) || ((a2 <= 170) && (a24 == 13))))) || ((((((14 <= a7) && (a24 == 13)) && (190 <= a2)) && (112 <= a17)) && (6 == a5)) && (a17 <= 255))) || ((((a2 <= 170) && (256 <= a17)) && (a7 == 13)) && (a24 == 13))) || ((((((a2 <= 170) && (a5 == 4)) && (a7 <= 13)) && (a24 == 15)) && (((long long) a17 + 124) <= 0)) && (a7 != 12))) || (((a2 <= 170) && (a24 == 14)) && (6 == a5))) || (((((a2 <= 170) && (5 <= a5)) && (a17 <= 110)) && (0 <= ((long long) a17 + 107))) && (a24 == 13))) || (((((a7 == 13) && (15 <= a24)) && (a5 <= 4)) && (((long long) a17 + 450064) <= 0)) && (190 <= a2))) || (((((a17 <= 110) && (14 <= a7)) && (a24 == 13)) && (190 <= a2)) && (6 == a5))) || ((((0 <= ((long long) a17 + 107)) && (a7 == 13)) && (a24 == 15)) && (5 == a5))) || ((((0 <= ((long long) a17 + 107)) && (a24 == 15)) && (5 == a5)) && (a7 == 12))) || (((a2 <= 170) && (a24 == 14)) && (112 <= a17))) || ((((256 <= a17) && (15 <= a24)) && (a5 <= 4)) && (190 <= a2))) || ((((a2 <= 170) && (a24 == 13)) && (a7 == 12)) && (6 == a5))) || ((((a2 <= 170) && (a7 <= 13)) && (0 <= ((long long) a17 + 107))) && (15 <= a24))) || (((((a7 == 13) && (387358 <= a17)) && (a24 == 13)) && (190 <= a2)) && (6 == a5))) || (((((a2 <= 170) && (5 <= a5)) && (14 <= a7)) && (15 <= a24)) && (((long long) a17 + 108) <= 0))) || (((((a24 == 15) && (5 == a5)) && (190 <= a2)) && (a7 == 12)) && (a2 <= 281))) || ((((a17 <= 110) && (a5 <= 4)) && (a24 == 13)) && (190 <= a2))) || ((((((a17 <= 110) && (a7 <= 13)) && (0 <= ((long long) a17 + 107))) && (a24 == 13)) && (6 == a5)) && (a7 != 12))) || (((((((a7 <= 13) && (15 <= a24)) && (5 == a5)) && (190 <= a2)) && (112 <= a17)) && (a17 <= 255)) && (a7 != 12))) || ((((a17 <= 110) && (15 <= a24)) && (a5 <= 3)) && (190 <= a2))) || (((a2 <= 170) && (a24 == 14)) && (a5 <= 4))) || ((((a2 <= 170) && (0 <= ((long long) a17 + 107))) && (15 <= a24)) && (a5 <= 4))) || ((((14 <= a7) && (a24 == 13)) && (5 == a5)) && (190 <= a2))) || (((a7 <= 13) && (a5 <= 4)) && (a24 == 13))) || ((((15 <= a24) && (a5 <= 3)) && (190 <= a2)) && (a7 == 12))) || ((((a5 <= 4) && (a24 == 13)) && (190 <= a2)) && (112 <= a17))) || (((((a2 <= 170) && (a17 <= 110)) && (0 <= ((long long) a17 + 107))) && (15 <= a24)) && (5 != a5))) || ((((a2 <= 170) && (15 <= a24)) && (((long long) a17 + 108) <= 0)) && (5 == a5))) || ((((a2 <= 170) && (5 <= a5)) && (15 <= a24)) && (a7 == 12))) || (((14 <= a7) && (15 <= a24)) && (a5 <= 3))) || (((a2 <= 170) && (15 <= a24)) && (112 <= a17))) || ((((14 <= a7) && (15 <= a24)) && (a5 <= 4)) && (190 <= a2))) || ((((0 <= ((long long) a17 + 107)) && (3 != a5)) && (a5 <= 4)) && (a24 == 13))) || ((((a2 <= 170) && (0 <= ((long long) a17 + 107))) && (a24 == 13)) && (5 == a5))) || ((((a24 == 14) && (0 <= ((long long) a17 + 107))) && (5 == a5)) && (190 <= a2))) || (((((a17 <= 110) && (a24 == 13)) && (190 <= a2)) && (a7 == 12)) && (6 == a5))) || ((((a24 == 14) && (14 <= a7)) && (5 == a5)) && (190 <= a2))) || ((((a2 <= 170) && (a24 == 13)) && (112 <= a17)) && (a17 <= 255))) || (((a2 <= 170) && (a24 == 14)) && (a7 == 12)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 14:32:19,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f64907-b77f-482a-8881-9e7fd3229ece/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