./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.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_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/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_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/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_435c2c03-d668-4618-adcb-b1fae82282e6/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 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:29:22,159 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:29:22,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:29:22,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:29:22,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:29:22,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:29:22,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:29:22,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:29:22,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:29:22,239 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:29:22,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:29:22,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:29:22,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:29:22,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:29:22,239 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:29:22,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:29:22,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:29:22,241 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:29:22,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:29:22,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:29:22,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:29:22,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:29:22,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:29:22,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:29:22,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:29:22,243 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_435c2c03-d668-4618-adcb-b1fae82282e6/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 -> 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153
[2024-12-02 11:29:22,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:29:22,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:29:22,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:29:22,467 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:29:22,467 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:29:22,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c
[2024-12-02 11:29:25,196 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/data/d4967ad7c/9e8692e0abc347ab82f6c02801e90897/FLAG5f0728c43
[2024-12-02 11:29:25,511 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:29:25,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/sv-benchmarks/c/eca-rers2012/Problem16_label59.c
[2024-12-02 11:29:25,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/data/d4967ad7c/9e8692e0abc347ab82f6c02801e90897/FLAG5f0728c43
[2024-12-02 11:29:25,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/data/d4967ad7c/9e8692e0abc347ab82f6c02801e90897
[2024-12-02 11:29:25,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:29:25,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:29:25,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:29:25,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:29:25,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:29:25,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:25" (1/1) ...
[2024-12-02 11:29:25,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcd1efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:25, skipping insertion in model container
[2024-12-02 11:29:25,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:25" (1/1) ...
[2024-12-02 11:29:25,823 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:29:25,984 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_435c2c03-d668-4618-adcb-b1fae82282e6/sv-benchmarks/c/eca-rers2012/Problem16_label59.c[4713,4726]
[2024-12-02 11:29:26,247 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:29:26,255 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:29:26,274 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_435c2c03-d668-4618-adcb-b1fae82282e6/sv-benchmarks/c/eca-rers2012/Problem16_label59.c[4713,4726]
[2024-12-02 11:29:26,423 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:29:26,438 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:29:26,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26 WrapperNode
[2024-12-02 11:29:26,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:29:26,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:29:26,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:29:26,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:29:26,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,555 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769
[2024-12-02 11:29:26,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:29:26,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:29:26,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:29:26,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:29:26,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,666 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:29:26,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:29:26,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:29:26,774 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:29:26,774 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:29:26,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (1/1) ...
[2024-12-02 11:29:26,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:29:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:29:26,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:29:26,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:29:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:29:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:29:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:29:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:29:26,902 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:29:26,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:29:29,030 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live.
[2024-12-02 11:29:29,031 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:29:29,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:29:29,050 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:29:29,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:29 BoogieIcfgContainer
[2024-12-02 11:29:29,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:29:29,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:29:29,052 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:29:29,057 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:29:29,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:29:25" (1/3) ...
[2024-12-02 11:29:29,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2affe524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:29:29, skipping insertion in model container
[2024-12-02 11:29:29,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:26" (2/3) ...
[2024-12-02 11:29:29,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2affe524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:29:29, skipping insertion in model container
[2024-12-02 11:29:29,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:29" (3/3) ...
[2024-12-02 11:29:29,060 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem16_label59.c
[2024-12-02 11:29:29,076 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:29:29,077 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem16_label59.c that has 1 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:29:29,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:29:29,153 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;@19ff732e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:29:29,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:29:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-12-02 11:29:29,165 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:29,166 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]
[2024-12-02 11:29:29,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:29,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:29,172 INFO L85 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times
[2024-12-02 11:29:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:29,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933298850]
[2024-12-02 11:29:29,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:29:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:29,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933298850]
[2024-12-02 11:29:29,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933298850] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:29,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:29,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:29:29,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567834138]
[2024-12-02 11:29:29,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:29,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:29,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:29,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:29,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:29,552 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:31,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:31,175 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions.
[2024-12-02 11:29:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:31,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 44
[2024-12-02 11:29:31,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:31,189 INFO L225 Difference]: With dead ends: 1137
[2024-12-02 11:29:31,190 INFO L226 Difference]: Without dead ends: 662
[2024-12-02 11:29:31,194 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 11:29:31,197 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 342 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:31,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 60 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-02 11:29:31,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states.
[2024-12-02 11:29:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662.
[2024-12-02 11:29:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7639939485627836) internal successors, (1166), 661 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1166 transitions.
[2024-12-02 11:29:31,282 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1166 transitions. Word has length 44
[2024-12-02 11:29:31,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:31,282 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1166 transitions.
[2024-12-02 11:29:31,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1166 transitions.
[2024-12-02 11:29:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-12-02 11:29:31,287 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:31,287 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, 1, 1, 1, 1, 1, 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 11:29:31,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:29:31,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:31,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:31,289 INFO L85 PathProgramCache]: Analyzing trace with hash -228214936, now seen corresponding path program 1 times
[2024-12-02 11:29:31,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:31,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164924233]
[2024-12-02 11:29:31,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:29:31,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:31,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164924233]
[2024-12-02 11:29:31,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164924233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:31,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:31,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:29:31,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502081218]
[2024-12-02 11:29:31,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:31,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:31,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:31,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:31,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:31,495 INFO L87 Difference]: Start difference. First operand 662 states and 1166 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:32,916 INFO L93 Difference]: Finished difference Result 1980 states and 3493 transitions.
[2024-12-02 11:29:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:32,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109
[2024-12-02 11:29:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:32,922 INFO L225 Difference]: With dead ends: 1980
[2024-12-02 11:29:32,922 INFO L226 Difference]: Without dead ends: 1320
[2024-12-02 11:29:32,923 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 11:29:32,924 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 344 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:32,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 11:29:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states.
[2024-12-02 11:29:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320.
[2024-12-02 11:29:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.6656557998483699) internal successors, (2197), 1319 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2197 transitions.
[2024-12-02 11:29:32,976 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2197 transitions. Word has length 109
[2024-12-02 11:29:32,976 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:32,976 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 2197 transitions.
[2024-12-02 11:29:32,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2197 transitions.
[2024-12-02 11:29:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-12-02 11:29:32,978 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:32,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:32,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:29:32,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:32,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:32,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1921470884, now seen corresponding path program 1 times
[2024-12-02 11:29:32,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:32,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542914443]
[2024-12-02 11:29:32,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:32,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:29:33,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:33,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542914443]
[2024-12-02 11:29:33,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542914443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:33,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:33,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:29:33,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638351536]
[2024-12-02 11:29:33,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:33,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:33,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:33,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:33,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:33,208 INFO L87 Difference]: Start difference. First operand 1320 states and 2197 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:34,806 INFO L93 Difference]: Finished difference Result 3625 states and 6017 transitions.
[2024-12-02 11:29:34,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:34,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112
[2024-12-02 11:29:34,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:34,814 INFO L225 Difference]: With dead ends: 3625
[2024-12-02 11:29:34,814 INFO L226 Difference]: Without dead ends: 2307
[2024-12-02 11:29:34,816 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 11:29:34,816 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 282 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:34,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 120 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-02 11:29:34,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states.
[2024-12-02 11:29:34,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307.
[2024-12-02 11:29:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.5923677363399826) internal successors, (3672), 2306 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3672 transitions.
[2024-12-02 11:29:34,857 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3672 transitions. Word has length 112
[2024-12-02 11:29:34,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:34,857 INFO L471 AbstractCegarLoop]: Abstraction has 2307 states and 3672 transitions.
[2024-12-02 11:29:34,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3672 transitions.
[2024-12-02 11:29:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-12-02 11:29:34,860 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:34,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:34,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:29:34,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:34,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:34,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1971144876, now seen corresponding path program 1 times
[2024-12-02 11:29:34,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:34,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346149768]
[2024-12-02 11:29:34,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:34,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:29:35,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:35,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346149768]
[2024-12-02 11:29:35,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346149768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:35,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164357973]
[2024-12-02 11:29:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:35,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:29:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:35,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:29:35,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:29:35,085 INFO L87 Difference]: Start difference. First operand 2307 states and 3672 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:37,234 INFO L93 Difference]: Finished difference Result 6257 states and 9781 transitions.
[2024-12-02 11:29:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:29:37,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117
[2024-12-02 11:29:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:37,248 INFO L225 Difference]: With dead ends: 6257
[2024-12-02 11:29:37,248 INFO L226 Difference]: Without dead ends: 3952
[2024-12-02 11:29:37,251 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 11:29:37,252 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 886 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:37,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 191 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-12-02 11:29:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states.
[2024-12-02 11:29:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952.
[2024-12-02 11:29:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.4312832194381169) internal successors, (5655), 3951 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5655 transitions.
[2024-12-02 11:29:37,343 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5655 transitions. Word has length 117
[2024-12-02 11:29:37,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:37,344 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 5655 transitions.
[2024-12-02 11:29:37,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5655 transitions.
[2024-12-02 11:29:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2024-12-02 11:29:37,346 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:37,346 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:37,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:29:37,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:37,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:37,347 INFO L85 PathProgramCache]: Analyzing trace with hash -912563919, now seen corresponding path program 1 times
[2024-12-02 11:29:37,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:37,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073129691]
[2024-12-02 11:29:37,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:29:37,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:37,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073129691]
[2024-12-02 11:29:37,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073129691] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:37,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:37,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:37,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697620796]
[2024-12-02 11:29:37,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:37,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:37,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:37,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:37,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:37,530 INFO L87 Difference]: Start difference. First operand 3952 states and 5655 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:38,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:38,618 INFO L93 Difference]: Finished difference Result 7573 states and 10973 transitions.
[2024-12-02 11:29:38,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:38,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 131
[2024-12-02 11:29:38,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:38,625 INFO L225 Difference]: With dead ends: 7573
[2024-12-02 11:29:38,625 INFO L226 Difference]: Without dead ends: 3952
[2024-12-02 11:29:38,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:38,628 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 340 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:38,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 540 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 11:29:38,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states.
[2024-12-02 11:29:38,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952.
[2024-12-02 11:29:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.3153631991900785) internal successors, (5197), 3951 states have internal predecessors, (5197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5197 transitions.
[2024-12-02 11:29:38,678 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5197 transitions. Word has length 131
[2024-12-02 11:29:38,678 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:38,678 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 5197 transitions.
[2024-12-02 11:29:38,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5197 transitions.
[2024-12-02 11:29:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2024-12-02 11:29:38,681 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:38,681 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 11:29:38,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:29:38,681 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:38,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:38,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1359915327, now seen corresponding path program 1 times
[2024-12-02 11:29:38,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:38,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660900686]
[2024-12-02 11:29:38,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:38,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2024-12-02 11:29:38,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:38,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660900686]
[2024-12-02 11:29:38,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660900686] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:38,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:38,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:29:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241634369]
[2024-12-02 11:29:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:38,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:38,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:38,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:38,857 INFO L87 Difference]: Start difference. First operand 3952 states and 5197 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:40,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:40,076 INFO L93 Difference]: Finished difference Result 8889 states and 11783 transitions.
[2024-12-02 11:29:40,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:40,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 232
[2024-12-02 11:29:40,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:40,083 INFO L225 Difference]: With dead ends: 8889
[2024-12-02 11:29:40,083 INFO L226 Difference]: Without dead ends: 4610
[2024-12-02 11:29:40,087 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 11:29:40,088 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 345 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:40,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 11:29:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states.
[2024-12-02 11:29:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4610.
[2024-12-02 11:29:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.0772401822521154) internal successors, (4965), 4609 states have internal predecessors, (4965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 4965 transitions.
[2024-12-02 11:29:40,141 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 4965 transitions. Word has length 232
[2024-12-02 11:29:40,142 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:40,142 INFO L471 AbstractCegarLoop]: Abstraction has 4610 states and 4965 transitions.
[2024-12-02 11:29:40,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 4965 transitions.
[2024-12-02 11:29:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384
[2024-12-02 11:29:40,147 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:40,147 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 11:29:40,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:29:40,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:40,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1195091839, now seen corresponding path program 1 times
[2024-12-02 11:29:40,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:40,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954411436]
[2024-12-02 11:29:40,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2024-12-02 11:29:40,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:40,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954411436]
[2024-12-02 11:29:40,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954411436] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:40,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:40,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:40,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669865403]
[2024-12-02 11:29:40,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:40,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:40,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:40,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:40,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:40,416 INFO L87 Difference]: Start difference. First operand 4610 states and 4965 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:41,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:41,463 INFO L93 Difference]: Finished difference Result 12179 states and 13204 transitions.
[2024-12-02 11:29:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:41,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 383
[2024-12-02 11:29:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:41,475 INFO L225 Difference]: With dead ends: 12179
[2024-12-02 11:29:41,475 INFO L226 Difference]: Without dead ends: 8229
[2024-12-02 11:29:41,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:41,478 INFO L435 NwaCegarLoop]: 415 mSDtfsCounter, 288 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:41,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 421 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 11:29:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states.
[2024-12-02 11:29:41,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229.
[2024-12-02 11:29:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0651434127369956) internal successors, (8764), 8228 states have internal predecessors, (8764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8764 transitions.
[2024-12-02 11:29:41,570 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8764 transitions. Word has length 383
[2024-12-02 11:29:41,570 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:41,570 INFO L471 AbstractCegarLoop]: Abstraction has 8229 states and 8764 transitions.
[2024-12-02 11:29:41,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8764 transitions.
[2024-12-02 11:29:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494
[2024-12-02 11:29:41,578 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:41,578 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:41,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 11:29:41,578 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:41,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash -502550951, now seen corresponding path program 1 times
[2024-12-02 11:29:41,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:41,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620230518]
[2024-12-02 11:29:41,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:41,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2024-12-02 11:29:42,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:42,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620230518]
[2024-12-02 11:29:42,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620230518] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:42,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:42,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:42,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617848643]
[2024-12-02 11:29:42,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:42,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:29:42,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:42,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:29:42,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:29:42,456 INFO L87 Difference]: Start difference. First operand 8229 states and 8764 transitions. Second operand has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:43,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:43,834 INFO L93 Difference]: Finished difference Result 15798 states and 16856 transitions.
[2024-12-02 11:29:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:29:43,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 493
[2024-12-02 11:29:43,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:43,853 INFO L225 Difference]: With dead ends: 15798
[2024-12-02 11:29:43,853 INFO L226 Difference]: Without dead ends: 8229
[2024-12-02 11:29:43,857 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 11:29:43,858 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 399 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:43,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 81 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 11:29:43,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states.
[2024-12-02 11:29:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229.
[2024-12-02 11:29:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0587019931939718) internal successors, (8711), 8228 states have internal predecessors, (8711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8711 transitions.
[2024-12-02 11:29:43,987 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8711 transitions. Word has length 493
[2024-12-02 11:29:43,988 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:43,988 INFO L471 AbstractCegarLoop]: Abstraction has 8229 states and 8711 transitions.
[2024-12-02 11:29:43,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.0) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8711 transitions.
[2024-12-02 11:29:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598
[2024-12-02 11:29:44,012 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:44,013 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:29:44,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 11:29:44,013 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:44,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:44,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1835960807, now seen corresponding path program 1 times
[2024-12-02 11:29:44,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:44,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744784884]
[2024-12-02 11:29:44,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:44,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked.
[2024-12-02 11:29:44,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744784884]
[2024-12-02 11:29:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744784884] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:44,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940647981]
[2024-12-02 11:29:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:44,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:44,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:44,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:44,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:44,713 INFO L87 Difference]: Start difference. First operand 8229 states and 8711 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:45,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:45,529 INFO L93 Difference]: Finished difference Result 19088 states and 20192 transitions.
[2024-12-02 11:29:45,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:45,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 597
[2024-12-02 11:29:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:45,544 INFO L225 Difference]: With dead ends: 19088
[2024-12-02 11:29:45,544 INFO L226 Difference]: Without dead ends: 11519
[2024-12-02 11:29:45,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:45,550 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 223 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:45,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 36 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 11:29:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states.
[2024-12-02 11:29:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 10861.
[2024-12-02 11:29:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0458563535911602) internal successors, (11358), 10860 states have internal predecessors, (11358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11358 transitions.
[2024-12-02 11:29:45,671 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11358 transitions. Word has length 597
[2024-12-02 11:29:45,672 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:45,672 INFO L471 AbstractCegarLoop]: Abstraction has 10861 states and 11358 transitions.
[2024-12-02 11:29:45,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11358 transitions.
[2024-12-02 11:29:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602
[2024-12-02 11:29:45,679 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:45,679 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 11:29:45,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 11:29:45,680 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:45,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:45,680 INFO L85 PathProgramCache]: Analyzing trace with hash 515894490, now seen corresponding path program 1 times
[2024-12-02 11:29:45,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359511622]
[2024-12-02 11:29:45,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2024-12-02 11:29:46,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:46,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359511622]
[2024-12-02 11:29:46,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359511622] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:46,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:46,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:46,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989289535]
[2024-12-02 11:29:46,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:46,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:46,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:46,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:46,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:46,188 INFO L87 Difference]: Start difference. First operand 10861 states and 11358 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:46,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:46,895 INFO L93 Difference]: Finished difference Result 21062 states and 22047 transitions.
[2024-12-02 11:29:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 601
[2024-12-02 11:29:46,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:46,910 INFO L225 Difference]: With dead ends: 21062
[2024-12-02 11:29:46,910 INFO L226 Difference]: Without dead ends: 10861
[2024-12-02 11:29:46,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:46,916 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 302 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:46,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 419 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:29:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states.
[2024-12-02 11:29:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10532.
[2024-12-02 11:29:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.040736872091919) internal successors, (10960), 10531 states have internal predecessors, (10960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 10960 transitions.
[2024-12-02 11:29:47,011 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 10960 transitions. Word has length 601
[2024-12-02 11:29:47,012 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:47,012 INFO L471 AbstractCegarLoop]: Abstraction has 10532 states and 10960 transitions.
[2024-12-02 11:29:47,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 10960 transitions.
[2024-12-02 11:29:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998
[2024-12-02 11:29:47,023 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:47,023 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 11:29:47,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 11:29:47,023 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:47,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:47,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2059075993, now seen corresponding path program 1 times
[2024-12-02 11:29:47,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:47,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305665027]
[2024-12-02 11:29:47,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 1167 proven. 156 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2024-12-02 11:29:48,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305665027]
[2024-12-02 11:29:48,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305665027] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:29:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587552207]
[2024-12-02 11:29:48,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:29:48,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:29:48,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:29:48,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:29:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:48,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 11:29:48,981 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:29:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 1276 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked.
[2024-12-02 11:29:49,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:29:49,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587552207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:49,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:29:49,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-12-02 11:29:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026052684]
[2024-12-02 11:29:49,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:49,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:49,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:49,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:29:49,270 INFO L87 Difference]: Start difference. First operand 10532 states and 10960 transitions. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:50,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:50,161 INFO L93 Difference]: Finished difference Result 23036 states and 24042 transitions.
[2024-12-02 11:29:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:50,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 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 997
[2024-12-02 11:29:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:50,183 INFO L225 Difference]: With dead ends: 23036
[2024-12-02 11:29:50,184 INFO L226 Difference]: Without dead ends: 13164
[2024-12-02 11:29:50,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1001 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:29:50,191 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 199 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:50,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 95 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 11:29:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states.
[2024-12-02 11:29:50,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164.
[2024-12-02 11:29:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0369216743903364) internal successors, (13649), 13163 states have internal predecessors, (13649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13649 transitions.
[2024-12-02 11:29:50,312 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13649 transitions. Word has length 997
[2024-12-02 11:29:50,313 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:50,313 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 13649 transitions.
[2024-12-02 11:29:50,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13649 transitions.
[2024-12-02 11:29:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008
[2024-12-02 11:29:50,328 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:50,329 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 11:29:50,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:29:50,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:29:50,530 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:50,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash -213669757, now seen corresponding path program 1 times
[2024-12-02 11:29:50,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:50,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295564039]
[2024-12-02 11:29:50,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1941 backedges. 1231 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked.
[2024-12-02 11:29:51,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:51,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295564039]
[2024-12-02 11:29:51,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295564039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:51,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:51,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:51,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502786501]
[2024-12-02 11:29:51,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:51,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:29:51,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:51,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:29:51,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:29:51,451 INFO L87 Difference]: Start difference. First operand 13164 states and 13649 transitions. Second operand has 4 states, 4 states have (on average 167.0) internal successors, (668), 3 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 11:29:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:52,582 INFO L93 Difference]: Finished difference Result 25997 states and 26965 transitions.
[2024-12-02 11:29:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:29:52,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 3 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 1007
[2024-12-02 11:29:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:52,596 INFO L225 Difference]: With dead ends: 25997
[2024-12-02 11:29:52,596 INFO L226 Difference]: Without dead ends: 13164
[2024-12-02 11:29:52,602 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 11:29:52,603 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 268 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:52,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 113 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 11:29:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states.
[2024-12-02 11:29:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164.
[2024-12-02 11:29:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0365418217731521) internal successors, (13644), 13163 states have internal predecessors, (13644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13644 transitions.
[2024-12-02 11:29:52,707 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13644 transitions. Word has length 1007
[2024-12-02 11:29:52,707 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:52,707 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 13644 transitions.
[2024-12-02 11:29:52,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 3 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 11:29:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13644 transitions.
[2024-12-02 11:29:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069
[2024-12-02 11:29:52,718 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:52,718 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, 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, 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, 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]
[2024-12-02 11:29:52,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 11:29:52,718 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash 434228981, now seen corresponding path program 1 times
[2024-12-02 11:29:52,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799663750]
[2024-12-02 11:29:52,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1360 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-12-02 11:29:53,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:53,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799663750]
[2024-12-02 11:29:53,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799663750] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:53,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:53,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:53,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037594078]
[2024-12-02 11:29:53,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:53,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:53,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:53,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:53,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:53,474 INFO L87 Difference]: Start difference. First operand 13164 states and 13644 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:54,238 INFO L93 Difference]: Finished difference Result 28300 states and 29369 transitions.
[2024-12-02 11:29:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:54,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 1068
[2024-12-02 11:29:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:54,257 INFO L225 Difference]: With dead ends: 28300
[2024-12-02 11:29:54,258 INFO L226 Difference]: Without dead ends: 15796
[2024-12-02 11:29:54,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:54,265 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:54,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 430 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:29:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states.
[2024-12-02 11:29:54,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15467.
[2024-12-02 11:29:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0318117160222424) internal successors, (15958), 15466 states have internal predecessors, (15958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15958 transitions.
[2024-12-02 11:29:54,393 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15958 transitions. Word has length 1068
[2024-12-02 11:29:54,393 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:54,393 INFO L471 AbstractCegarLoop]: Abstraction has 15467 states and 15958 transitions.
[2024-12-02 11:29:54,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15958 transitions.
[2024-12-02 11:29:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070
[2024-12-02 11:29:54,405 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:54,406 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, 6, 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, 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, 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]
[2024-12-02 11:29:54,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 11:29:54,406 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1732422690, now seen corresponding path program 1 times
[2024-12-02 11:29:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:54,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161813497]
[2024-12-02 11:29:54,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 254 proven. 1075 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked.
[2024-12-02 11:29:55,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:55,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161813497]
[2024-12-02 11:29:55,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161813497] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:29:55,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153996818]
[2024-12-02 11:29:55,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:55,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:29:55,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:29:55,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:29:55,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 11:29:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:55,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 11:29:55,887 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:29:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 964 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-12-02 11:29:56,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:29:56,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153996818] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:56,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:29:56,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-12-02 11:29:56,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6688825]
[2024-12-02 11:29:56,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:56,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:56,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:56,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:56,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:29:56,251 INFO L87 Difference]: Start difference. First operand 15467 states and 15958 transitions. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:57,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:57,011 INFO L93 Difference]: Finished difference Result 30274 states and 31252 transitions.
[2024-12-02 11:29:57,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:57,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 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 1069
[2024-12-02 11:29:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:57,025 INFO L225 Difference]: With dead ends: 30274
[2024-12-02 11:29:57,025 INFO L226 Difference]: Without dead ends: 15467
[2024-12-02 11:29:57,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1074 GetRequests, 1070 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:29:57,032 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 95 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:57,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:29:57,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states.
[2024-12-02 11:29:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 15138.
[2024-12-02 11:29:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0271520116271389) internal successors, (15548), 15137 states have internal predecessors, (15548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15548 transitions.
[2024-12-02 11:29:57,154 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15548 transitions. Word has length 1069
[2024-12-02 11:29:57,155 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:57,155 INFO L471 AbstractCegarLoop]: Abstraction has 15138 states and 15548 transitions.
[2024-12-02 11:29:57,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15548 transitions.
[2024-12-02 11:29:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221
[2024-12-02 11:29:57,169 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:57,169 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 11:29:57,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 11:29:57,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-12-02 11:29:57,370 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:57,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:57,371 INFO L85 PathProgramCache]: Analyzing trace with hash -3763904, now seen corresponding path program 1 times
[2024-12-02 11:29:57,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:57,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138880292]
[2024-12-02 11:29:57,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:29:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3220 backedges. 808 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked.
[2024-12-02 11:29:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:29:58,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138880292]
[2024-12-02 11:29:58,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138880292] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:29:58,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:29:58,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:29:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130703114]
[2024-12-02 11:29:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:29:58,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:29:58,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:29:58,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:29:58,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:58,167 INFO L87 Difference]: Start difference. First operand 15138 states and 15548 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:58,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:29:58,916 INFO L93 Difference]: Finished difference Result 32906 states and 33860 transitions.
[2024-12-02 11:29:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:29:58,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 1220
[2024-12-02 11:29:58,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:29:58,927 INFO L225 Difference]: With dead ends: 32906
[2024-12-02 11:29:58,928 INFO L226 Difference]: Without dead ends: 16125
[2024-12-02 11:29:58,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:29:58,936 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 273 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:29:58,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 412 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:29:58,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states.
[2024-12-02 11:29:59,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 14151.
[2024-12-02 11:29:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0254416961130741) internal successors, (14510), 14150 states have internal predecessors, (14510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14510 transitions.
[2024-12-02 11:29:59,055 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14510 transitions. Word has length 1220
[2024-12-02 11:29:59,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:29:59,056 INFO L471 AbstractCegarLoop]: Abstraction has 14151 states and 14510 transitions.
[2024-12-02 11:29:59,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:29:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14510 transitions.
[2024-12-02 11:29:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1349
[2024-12-02 11:29:59,072 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:29:59,072 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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]
[2024-12-02 11:29:59,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 11:29:59,073 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:29:59,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:29:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1201747577, now seen corresponding path program 1 times
[2024-12-02 11:29:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:29:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123721276]
[2024-12-02 11:29:59,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:29:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:29:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:30:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3559 backedges. 759 proven. 1424 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked.
[2024-12-02 11:30:00,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:30:00,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123721276]
[2024-12-02 11:30:00,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123721276] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:30:00,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452695927]
[2024-12-02 11:30:00,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:30:00,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:30:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:30:00,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:30:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 11:30:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:30:00,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 11:30:00,969 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:30:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3559 backedges. 766 proven. 0 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked.
[2024-12-02 11:30:01,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:30:01,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452695927] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:30:01,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:30:01,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-12-02 11:30:01,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645549820]
[2024-12-02 11:30:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:30:01,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:30:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:30:01,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:30:01,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:30:01,109 INFO L87 Difference]: Start difference. First operand 14151 states and 14510 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:30:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:30:01,917 INFO L93 Difference]: Finished difference Result 28627 states and 29358 transitions.
[2024-12-02 11:30:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:30:01,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 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 1348
[2024-12-02 11:30:01,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:30:01,919 INFO L225 Difference]: With dead ends: 28627
[2024-12-02 11:30:01,919 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 11:30:01,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1353 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:30:01,927 INFO L435 NwaCegarLoop]: 369 mSDtfsCounter, 281 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:30:01,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 374 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:30:01,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:30:01,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:30:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:30:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:30:01,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1348
[2024-12-02 11:30:01,928 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:30:01,928 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:30:01,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:30:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:30:01,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:30:01,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 11:30:01,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 11:30:02,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-02 11:30:02,135 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:30:02,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:30:02,693 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:30:02,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:30:02 BoogieIcfgContainer
[2024-12-02 11:30:02,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:30:02,711 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:30:02,711 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:30:02,711 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:30:02,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:29" (3/4) ...
[2024-12-02 11:30:02,714 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:30:02,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 11:30:02,741 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 11:30:02,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 11:30:02,745 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:30:02,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:30:02,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:30:02,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:30:02,901 INFO L158 Benchmark]: Toolchain (without parser) took 37132.19ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 87.6MB in the beginning and 654.0MB in the end (delta: -566.4MB). Peak memory consumption was 382.1MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,901 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:30:02,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.80ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.8MB in the end (delta: 8.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.98ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 55.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,902 INFO L158 Benchmark]: Boogie Preprocessor took 217.11ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 60.3MB in the end (delta: -4.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,902 INFO L158 Benchmark]: RCFGBuilder took 2276.22ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.3MB in the beginning and 84.5MB in the end (delta: -24.1MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,903 INFO L158 Benchmark]: TraceAbstraction took 33658.02ms. Allocated memory was 234.9MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 82.6MB in the beginning and 674.7MB in the end (delta: -592.0MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,903 INFO L158 Benchmark]: Witness Printer took 189.09ms. Allocated memory is still 1.1GB. Free memory was 674.7MB in the beginning and 654.0MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:30:02,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 668.80ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.8MB in the end (delta: 8.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 116.98ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 55.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 217.11ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 60.3MB in the end (delta: -4.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB.
* RCFGBuilder took 2276.22ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.3MB in the beginning and 84.5MB in the end (delta: -24.1MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 33658.02ms. Allocated memory was 234.9MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 82.6MB in the beginning and 674.7MB in the end (delta: -592.0MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB.
* Witness Printer took 189.09ms. Allocated memory is still 1.1GB. Free memory was 674.7MB in the beginning and 654.0MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. 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: 149]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.0s, OverallIterations: 16, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5087 SdHoareTripleChecker+Valid, 17.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5087 mSDsluCounter, 3901 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 2299 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15370 IncrementalHoareTripleChecker+Invalid, 17669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2299 mSolverCounterUnsat, 3800 mSDtfsCounter, 15370 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3464 GetRequests, 3434 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15467occurred in iteration=13, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 3619 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 12942 NumberOfCodeBlocks, 12942 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 12923 ConstructedInterpolants, 0 QuantifiedInterpolants, 31284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4014 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 22219/24874 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: 1783]: Loop Invariant
Derived loop invariant: ((((((((a16 <= 8) || (a16 == 9)) || (((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (a16 == 12))) || (((a15 <= 3) && (a16 == 12)) && (7 <= a12))) || (((a12 <= 5) && (a15 <= 3)) && (a16 == 12))) || (((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (a16 <= 11))) || (((a15 <= 3) && (7 <= a12)) && (a16 <= 11))) || ((a12 <= 7) && (a16 <= 10)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 11:30:02,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435c2c03-d668-4618-adcb-b1fae82282e6/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