./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c --full-output --architecture 64bit


--------------------------------------------------------------------------------


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_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/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_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/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 64bit --witnessprinter.graph.data.programhash 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:54:21,827 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:54:21,882 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 10:54:21,886 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:54:21,887 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:54:21,906 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:54:21,907 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:54:21,907 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:54:21,908 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:54:21,908 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 10:54:21,908 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:54:21,908 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:54:21,908 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:54:21,908 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 10:54:21,908 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 10:54:21,909 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:54:21,909 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 10:54:21,909 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:21,910 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:21,910 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:54:21,910 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:54:21,911 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:54:21,911 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_2458d031-42db-44c1-ac65-e86aa791682e/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
[2024-12-02 10:54:22,130 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:54:22,138 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:54:22,140 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:54:22,142 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 10:54:22,142 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 10:54:22,143 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-12-02 10:54:24,855 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/data/4607eb023/55ab255c9ec5412bb8a281181f08ca81/FLAG7f4187e15
[2024-12-02 10:54:25,266 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 10:54:25,267 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-12-02 10:54:25,294 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/data/4607eb023/55ab255c9ec5412bb8a281181f08ca81/FLAG7f4187e15
[2024-12-02 10:54:25,403 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/data/4607eb023/55ab255c9ec5412bb8a281181f08ca81
[2024-12-02 10:54:25,405 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:54:25,406 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:54:25,407 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:54:25,407 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:54:25,412 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:54:25,413 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:25" (1/1) ...
[2024-12-02 10:54:25,413 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5e6cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:25, skipping insertion in model container
[2024-12-02 10:54:25,413 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:25" (1/1) ...
[2024-12-02 10:54:25,507 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:54:25,706 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_2458d031-42db-44c1-ac65-e86aa791682e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-12-02 10:54:26,321 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:54:26,330 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 10:54:26,340 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_2458d031-42db-44c1-ac65-e86aa791682e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-12-02 10:54:26,780 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:54:26,793 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 10:54:26,794 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26 WrapperNode
[2024-12-02 10:54:26,794 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:54:26,795 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:54:26,795 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:54:26,795 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:54:26,801 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:26,920 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:28,558 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22943
[2024-12-02 10:54:28,559 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:54:28,559 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:54:28,560 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:54:28,560 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:54:28,567 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:28,567 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:28,934 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,210 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 10:54:29,210 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,210 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,573 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,607 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,691 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,816 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:29,872 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:30,157 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:54:30,158 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:54:30,158 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:54:30,158 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:54:30,159 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (1/1) ...
[2024-12-02 10:54:30,164 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:54:30,176 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:54:30,187 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:54:30,190 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2458d031-42db-44c1-ac65-e86aa791682e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:54:30,214 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:54:30,214 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 10:54:30,214 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:54:30,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:54:31,214 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 10:54:31,215 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:55:22,135 INFO  L?                        ?]: Removed 12943 outVars from TransFormulas that were not future-live.
[2024-12-02 10:55:22,136 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 10:55:22,221 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:55:22,221 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 10:55:22,222 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:22 BoogieIcfgContainer
[2024-12-02 10:55:22,222 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:55:22,224 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:55:22,224 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:55:22,229 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:55:22,229 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:54:25" (1/3) ...
[2024-12-02 10:55:22,229 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34453625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:55:22, skipping insertion in model container
[2024-12-02 10:55:22,229 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:26" (2/3) ...
[2024-12-02 10:55:22,230 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34453625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:55:22, skipping insertion in model container
[2024-12-02 10:55:22,230 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:22" (3/3) ...
[2024-12-02 10:55:22,231 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-12-02 10:55:22,245 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:55:22,246 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.telephony.7.prop1-func-interl.c that has 1 procedures, 8102 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 10:55:22,402 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:55:22,414 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;@312e14dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:55:22,415 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 10:55:22,437 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8102 states, 8100 states have (on average 1.504320987654321) internal successors, (12185), 8101 states have internal predecessors, (12185), 0 states have call successors, (0), 0 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 10:55:22,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-12-02 10:55:22,457 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:22,457 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:22,458 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:22,462 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:22,463 INFO  L85        PathProgramCache]: Analyzing trace with hash -2145768534, now seen corresponding path program 1 times
[2024-12-02 10:55:22,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:22,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494098991]
[2024-12-02 10:55:22,471 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:22,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:22,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:24,346 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 10:55:24,348 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:24,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494098991]
[2024-12-02 10:55:24,351 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494098991] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:24,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:24,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:55:24,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418709292]
[2024-12-02 10:55:24,353 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:24,358 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:55:24,358 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:24,383 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:55:24,383 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:55:24,400 INFO  L87              Difference]: Start difference. First operand  has 8102 states, 8100 states have (on average 1.504320987654321) internal successors, (12185), 8101 states have internal predecessors, (12185), 0 states have call successors, (0), 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 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 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 10:55:31,084 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:31,084 INFO  L93              Difference]: Finished difference Result 23668 states and 35605 transitions.
[2024-12-02 10:55:31,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 10:55:31,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 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 325
[2024-12-02 10:55:31,088 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:31,140 INFO  L225             Difference]: With dead ends: 23668
[2024-12-02 10:55:31,140 INFO  L226             Difference]: Without dead ends: 15876
[2024-12-02 10:55:31,155 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:55:31,158 INFO  L435           NwaCegarLoop]: 9800 mSDtfsCounter, 11846 mSDsluCounter, 29177 mSDsCounter, 0 mSdLazyCounter, 9284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11846 SdHoareTripleChecker+Valid, 38977 SdHoareTripleChecker+Invalid, 9285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:31,159 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11846 Valid, 38977 Invalid, 9285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9284 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time]
[2024-12-02 10:55:31,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15876 states.
[2024-12-02 10:55:31,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15876 to 8422.
[2024-12-02 10:55:31,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8422 states, 8421 states have (on average 1.5038593991212446) internal successors, (12664), 8421 states have internal predecessors, (12664), 0 states have call successors, (0), 0 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 10:55:31,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 12664 transitions.
[2024-12-02 10:55:31,461 INFO  L78                 Accepts]: Start accepts. Automaton has 8422 states and 12664 transitions. Word has length 325
[2024-12-02 10:55:31,462 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:31,462 INFO  L471      AbstractCegarLoop]: Abstraction has 8422 states and 12664 transitions.
[2024-12-02 10:55:31,462 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 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 10:55:31,463 INFO  L276                IsEmpty]: Start isEmpty. Operand 8422 states and 12664 transitions.
[2024-12-02 10:55:31,468 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-12-02 10:55:31,469 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:31,469 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:31,469 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:55:31,469 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:31,470 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:31,470 INFO  L85        PathProgramCache]: Analyzing trace with hash 1073836967, now seen corresponding path program 1 times
[2024-12-02 10:55:31,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:31,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129746421]
[2024-12-02 10:55:31,471 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:31,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:31,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:32,313 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 10:55:32,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:32,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129746421]
[2024-12-02 10:55:32,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129746421] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:32,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:32,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:55:32,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509569740]
[2024-12-02 10:55:32,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:32,316 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:55:32,316 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:32,317 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:55:32,317 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:32,317 INFO  L87              Difference]: Start difference. First operand 8422 states and 12664 transitions. Second operand  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 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 10:55:32,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:32,465 INFO  L93              Difference]: Finished difference Result 8426 states and 12668 transitions.
[2024-12-02 10:55:32,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:55:32,465 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 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 327
[2024-12-02 10:55:32,466 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:32,488 INFO  L225             Difference]: With dead ends: 8426
[2024-12-02 10:55:32,489 INFO  L226             Difference]: Without dead ends: 8424
[2024-12-02 10:55:32,491 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:32,492 INFO  L435           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24352 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36531 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:32,493 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36531 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:55:32,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8424 states.
[2024-12-02 10:55:32,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8424 to 8424.
[2024-12-02 10:55:32,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8424 states, 8423 states have (on average 1.5037397601804583) internal successors, (12666), 8423 states have internal predecessors, (12666), 0 states have call successors, (0), 0 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 10:55:32,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8424 states to 8424 states and 12666 transitions.
[2024-12-02 10:55:32,654 INFO  L78                 Accepts]: Start accepts. Automaton has 8424 states and 12666 transitions. Word has length 327
[2024-12-02 10:55:32,654 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:32,654 INFO  L471      AbstractCegarLoop]: Abstraction has 8424 states and 12666 transitions.
[2024-12-02 10:55:32,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 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 10:55:32,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 8424 states and 12666 transitions.
[2024-12-02 10:55:32,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 329
[2024-12-02 10:55:32,661 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:32,661 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:32,661 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:55:32,661 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:32,661 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:32,662 INFO  L85        PathProgramCache]: Analyzing trace with hash -1069095158, now seen corresponding path program 1 times
[2024-12-02 10:55:32,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:32,662 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3462606]
[2024-12-02 10:55:32,662 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:32,662 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:32,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:33,247 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 10:55:33,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:33,247 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3462606]
[2024-12-02 10:55:33,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3462606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:33,247 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:33,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:55:33,247 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130452518]
[2024-12-02 10:55:33,247 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:33,248 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:55:33,248 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:33,248 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:55:33,249 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:33,249 INFO  L87              Difference]: Start difference. First operand 8424 states and 12666 transitions. Second operand  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 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 10:55:33,413 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:33,413 INFO  L93              Difference]: Finished difference Result 16217 states and 24388 transitions.
[2024-12-02 10:55:33,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:55:33,414 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 328
[2024-12-02 10:55:33,414 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:33,431 INFO  L225             Difference]: With dead ends: 16217
[2024-12-02 10:55:33,432 INFO  L226             Difference]: Without dead ends: 8426
[2024-12-02 10:55:33,438 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:33,439 INFO  L435           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24348 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36527 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:33,439 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36527 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:55:33,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8426 states.
[2024-12-02 10:55:33,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8426.
[2024-12-02 10:55:33,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8426 states, 8425 states have (on average 1.503620178041543) internal successors, (12668), 8425 states have internal predecessors, (12668), 0 states have call successors, (0), 0 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 10:55:33,582 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 12668 transitions.
[2024-12-02 10:55:33,583 INFO  L78                 Accepts]: Start accepts. Automaton has 8426 states and 12668 transitions. Word has length 328
[2024-12-02 10:55:33,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:33,583 INFO  L471      AbstractCegarLoop]: Abstraction has 8426 states and 12668 transitions.
[2024-12-02 10:55:33,583 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 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 10:55:33,584 INFO  L276                IsEmpty]: Start isEmpty. Operand 8426 states and 12668 transitions.
[2024-12-02 10:55:33,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2024-12-02 10:55:33,588 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:33,589 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:33,589 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:55:33,589 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:33,589 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:33,590 INFO  L85        PathProgramCache]: Analyzing trace with hash 119824608, now seen corresponding path program 1 times
[2024-12-02 10:55:33,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:33,590 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005317946]
[2024-12-02 10:55:33,590 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:33,590 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:33,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:34,235 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 10:55:34,236 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:34,236 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005317946]
[2024-12-02 10:55:34,236 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005317946] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:34,236 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:34,236 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:55:34,236 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414987749]
[2024-12-02 10:55:34,236 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:34,237 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 10:55:34,237 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:34,237 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 10:55:34,237 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:55:34,238 INFO  L87              Difference]: Start difference. First operand 8426 states and 12668 transitions. Second operand  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:55:34,534 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:34,534 INFO  L93              Difference]: Finished difference Result 22419 states and 33722 transitions.
[2024-12-02 10:55:34,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 10:55:34,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329
[2024-12-02 10:55:34,535 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:34,563 INFO  L225             Difference]: With dead ends: 22419
[2024-12-02 10:55:34,563 INFO  L226             Difference]: Without dead ends: 14626
[2024-12-02 10:55:34,574 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:55:34,574 INFO  L435           NwaCegarLoop]: 12175 mSDtfsCounter, 9962 mSDsluCounter, 36056 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9962 SdHoareTripleChecker+Valid, 48231 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:34,575 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9962 Valid, 48231 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 10:55:34,590 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14626 states.
[2024-12-02 10:55:34,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14626 to 8429.
[2024-12-02 10:55:34,706 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5034409112482203) internal successors, (12671), 8428 states have internal predecessors, (12671), 0 states have call successors, (0), 0 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 10:55:34,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12671 transitions.
[2024-12-02 10:55:34,718 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12671 transitions. Word has length 329
[2024-12-02 10:55:34,719 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:34,719 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12671 transitions.
[2024-12-02 10:55:34,719 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:55:34,719 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12671 transitions.
[2024-12-02 10:55:34,878 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4149
[2024-12-02 10:55:34,879 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:34,881 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:55:34,881 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 10:55:34,881 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:34,882 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:34,884 INFO  L85        PathProgramCache]: Analyzing trace with hash 553030559, now seen corresponding path program 1 times
[2024-12-02 10:55:34,884 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:34,884 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211263768]
[2024-12-02 10:55:34,885 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:34,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:41,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:47,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:55:47,110 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:47,110 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211263768]
[2024-12-02 10:55:47,110 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211263768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:47,110 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:47,110 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:55:47,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210038149]
[2024-12-02 10:55:47,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:47,114 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:55:47,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:47,117 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:55:47,117 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:47,119 INFO  L87              Difference]: Start difference. First operand 8429 states and 12671 transitions. Second operand  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 0 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 10:55:47,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:47,445 INFO  L93              Difference]: Finished difference Result 16222 states and 24392 transitions.
[2024-12-02 10:55:47,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:55:47,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 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 4148
[2024-12-02 10:55:47,447 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:47,457 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:55:47,457 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:55:47,463 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:55:47,463 INFO  L435           NwaCegarLoop]: 12145 mSDtfsCounter, 11857 mSDsluCounter, 12143 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11857 SdHoareTripleChecker+Valid, 24288 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:47,463 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11857 Valid, 24288 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:55:47,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:55:47,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:55:47,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5033222591362125) internal successors, (12670), 8428 states have internal predecessors, (12670), 0 states have call successors, (0), 0 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 10:55:47,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12670 transitions.
[2024-12-02 10:55:47,573 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12670 transitions. Word has length 4148
[2024-12-02 10:55:47,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:47,574 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12670 transitions.
[2024-12-02 10:55:47,576 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 0 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 10:55:47,576 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12670 transitions.
[2024-12-02 10:55:47,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4150
[2024-12-02 10:55:47,716 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:47,718 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:47,718 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 10:55:47,718 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:47,719 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:47,721 INFO  L85        PathProgramCache]: Analyzing trace with hash -205449475, now seen corresponding path program 1 times
[2024-12-02 10:55:47,721 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:47,721 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687501172]
[2024-12-02 10:55:47,721 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:47,721 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:52,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:57,824 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:55:57,825 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:57,825 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687501172]
[2024-12-02 10:55:57,825 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687501172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:55:57,825 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:55:57,825 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:55:57,826 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632062235]
[2024-12-02 10:55:57,826 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:55:57,829 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:55:57,829 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:55:57,832 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:55:57,832 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:55:57,834 INFO  L87              Difference]: Start difference. First operand 8429 states and 12670 transitions. Second operand  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 0 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 10:55:58,105 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:55:58,105 INFO  L93              Difference]: Finished difference Result 16222 states and 24390 transitions.
[2024-12-02 10:55:58,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:55:58,106 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 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 4149
[2024-12-02 10:55:58,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:55:58,121 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:55:58,121 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:55:58,128 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:55:58,128 INFO  L435           NwaCegarLoop]: 12144 mSDtfsCounter, 11839 mSDsluCounter, 12142 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11839 SdHoareTripleChecker+Valid, 24286 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:55:58,129 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11839 Valid, 24286 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:55:58,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:55:58,377 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:55:58,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.503203607024205) internal successors, (12669), 8428 states have internal predecessors, (12669), 0 states have call successors, (0), 0 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 10:55:58,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12669 transitions.
[2024-12-02 10:55:58,397 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12669 transitions. Word has length 4149
[2024-12-02 10:55:58,398 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:55:58,398 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12669 transitions.
[2024-12-02 10:55:58,399 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 0 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 10:55:58,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12669 transitions.
[2024-12-02 10:55:58,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4151
[2024-12-02 10:55:58,510 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:55:58,512 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:55:58,512 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 10:55:58,512 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:55:58,513 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:55:58,515 INFO  L85        PathProgramCache]: Analyzing trace with hash 941827100, now seen corresponding path program 1 times
[2024-12-02 10:55:58,515 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:55:58,515 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347661331]
[2024-12-02 10:55:58,516 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:58,516 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:02,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:07,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:07,626 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:07,627 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347661331]
[2024-12-02 10:56:07,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347661331] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:07,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:07,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:07,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178151877]
[2024-12-02 10:56:07,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:07,630 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:07,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:07,633 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:07,633 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:07,634 INFO  L87              Difference]: Start difference. First operand 8429 states and 12669 transitions. Second operand  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 0 states have call successors, (0), 0 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 10:56:07,928 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:07,928 INFO  L93              Difference]: Finished difference Result 16222 states and 24388 transitions.
[2024-12-02 10:56:07,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:07,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 0 states have call successors, (0), 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 4150
[2024-12-02 10:56:07,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:07,943 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:07,943 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:07,950 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:07,951 INFO  L435           NwaCegarLoop]: 12143 mSDtfsCounter, 11821 mSDsluCounter, 12141 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11821 SdHoareTripleChecker+Valid, 24284 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:07,951 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11821 Valid, 24284 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:56:07,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:08,072 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:08,081 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5030849549121974) internal successors, (12668), 8428 states have internal predecessors, (12668), 0 states have call successors, (0), 0 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 10:56:08,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12668 transitions.
[2024-12-02 10:56:08,097 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12668 transitions. Word has length 4150
[2024-12-02 10:56:08,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:08,098 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12668 transitions.
[2024-12-02 10:56:08,099 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 0 states have call successors, (0), 0 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 10:56:08,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12668 transitions.
[2024-12-02 10:56:08,305 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4152
[2024-12-02 10:56:08,305 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:08,307 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:08,307 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 10:56:08,307 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:08,308 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:08,309 INFO  L85        PathProgramCache]: Analyzing trace with hash -894305894, now seen corresponding path program 1 times
[2024-12-02 10:56:08,309 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:08,309 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077419340]
[2024-12-02 10:56:08,310 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:08,310 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:13,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:17,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:17,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:17,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077419340]
[2024-12-02 10:56:17,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077419340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:17,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:17,431 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:17,431 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819523440]
[2024-12-02 10:56:17,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:17,433 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:17,433 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:17,435 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:17,435 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:17,436 INFO  L87              Difference]: Start difference. First operand 8429 states and 12668 transitions. Second operand  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 0 states have call successors, (0), 0 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 10:56:17,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:17,677 INFO  L93              Difference]: Finished difference Result 16222 states and 24386 transitions.
[2024-12-02 10:56:17,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:17,679 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 0 states have call successors, (0), 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 4151
[2024-12-02 10:56:17,679 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:17,685 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:17,685 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:17,690 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:17,691 INFO  L435           NwaCegarLoop]: 12142 mSDtfsCounter, 11803 mSDsluCounter, 12140 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11803 SdHoareTripleChecker+Valid, 24282 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:17,691 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11803 Valid, 24282 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:56:17,702 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:17,771 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:17,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5029663028001898) internal successors, (12667), 8428 states have internal predecessors, (12667), 0 states have call successors, (0), 0 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 10:56:17,787 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12667 transitions.
[2024-12-02 10:56:17,787 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12667 transitions. Word has length 4151
[2024-12-02 10:56:17,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:17,788 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12667 transitions.
[2024-12-02 10:56:17,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 0 states have call successors, (0), 0 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 10:56:17,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12667 transitions.
[2024-12-02 10:56:17,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4153
[2024-12-02 10:56:17,861 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:17,862 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:56:17,862 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 10:56:17,862 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:17,863 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:17,865 INFO  L85        PathProgramCache]: Analyzing trace with hash -1896600423, now seen corresponding path program 1 times
[2024-12-02 10:56:17,865 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:17,865 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378068539]
[2024-12-02 10:56:17,865 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:17,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:23,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:27,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:27,846 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:27,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378068539]
[2024-12-02 10:56:27,847 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378068539] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:27,847 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:27,847 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:27,847 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607883501]
[2024-12-02 10:56:27,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:27,850 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:27,850 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:27,852 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:27,852 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:27,853 INFO  L87              Difference]: Start difference. First operand 8429 states and 12667 transitions. Second operand  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 0 states have call successors, (0), 0 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 10:56:28,108 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:28,108 INFO  L93              Difference]: Finished difference Result 16222 states and 24384 transitions.
[2024-12-02 10:56:28,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:28,109 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 0 states have call successors, (0), 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 4152
[2024-12-02 10:56:28,109 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:28,114 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:28,114 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:28,118 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:28,119 INFO  L435           NwaCegarLoop]: 12141 mSDtfsCounter, 11795 mSDsluCounter, 12139 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11795 SdHoareTripleChecker+Valid, 24280 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:28,119 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11795 Valid, 24280 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:56:28,126 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:28,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:28,199 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5028476506881823) internal successors, (12666), 8428 states have internal predecessors, (12666), 0 states have call successors, (0), 0 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 10:56:28,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12666 transitions.
[2024-12-02 10:56:28,210 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12666 transitions. Word has length 4152
[2024-12-02 10:56:28,210 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:28,210 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12666 transitions.
[2024-12-02 10:56:28,211 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 0 states have call successors, (0), 0 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 10:56:28,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12666 transitions.
[2024-12-02 10:56:28,322 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4154
[2024-12-02 10:56:28,322 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:28,324 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:56:28,324 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 10:56:28,324 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:28,326 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:28,327 INFO  L85        PathProgramCache]: Analyzing trace with hash -1071716108, now seen corresponding path program 1 times
[2024-12-02 10:56:28,327 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:28,327 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683306446]
[2024-12-02 10:56:28,328 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:28,328 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:32,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:36,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:36,509 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:36,509 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683306446]
[2024-12-02 10:56:36,509 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683306446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:36,509 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:36,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:36,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075841487]
[2024-12-02 10:56:36,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:36,511 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:36,511 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:36,512 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:36,512 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:36,513 INFO  L87              Difference]: Start difference. First operand 8429 states and 12666 transitions. Second operand  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 0 states have call successors, (0), 0 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 10:56:37,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:37,034 INFO  L93              Difference]: Finished difference Result 16222 states and 24382 transitions.
[2024-12-02 10:56:37,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:37,035 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 0 states have call successors, (0), 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 4153
[2024-12-02 10:56:37,035 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:37,039 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:37,039 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:37,042 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:37,042 INFO  L435           NwaCegarLoop]: 12140 mSDtfsCounter, 11789 mSDsluCounter, 12138 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11789 SdHoareTripleChecker+Valid, 24278 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:37,042 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11789 Valid, 24278 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 10:56:37,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:37,090 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:37,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5027289985761747) internal successors, (12665), 8428 states have internal predecessors, (12665), 0 states have call successors, (0), 0 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 10:56:37,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12665 transitions.
[2024-12-02 10:56:37,103 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12665 transitions. Word has length 4153
[2024-12-02 10:56:37,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:37,104 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12665 transitions.
[2024-12-02 10:56:37,104 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 0 states have call successors, (0), 0 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 10:56:37,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12665 transitions.
[2024-12-02 10:56:37,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4155
[2024-12-02 10:56:37,171 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:37,172 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:56:37,173 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 10:56:37,173 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:37,174 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:37,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 1180498508, now seen corresponding path program 1 times
[2024-12-02 10:56:37,175 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:37,175 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128496401]
[2024-12-02 10:56:37,175 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:37,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:41,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:45,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:45,586 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:45,587 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128496401]
[2024-12-02 10:56:45,587 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128496401] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:45,587 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:45,587 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:45,587 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636454105]
[2024-12-02 10:56:45,587 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:45,589 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:45,589 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:45,592 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:45,592 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:45,593 INFO  L87              Difference]: Start difference. First operand 8429 states and 12665 transitions. Second operand  has 4 states, 4 states have (on average 1038.5) internal successors, (4154), 4 states have internal predecessors, (4154), 0 states have call successors, (0), 0 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 10:56:45,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:45,876 INFO  L93              Difference]: Finished difference Result 16222 states and 24380 transitions.
[2024-12-02 10:56:45,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:45,877 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.5) internal successors, (4154), 4 states have internal predecessors, (4154), 0 states have call successors, (0), 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 4154
[2024-12-02 10:56:45,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:45,881 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:45,881 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:45,884 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:45,885 INFO  L435           NwaCegarLoop]: 12139 mSDtfsCounter, 11747 mSDsluCounter, 12137 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11747 SdHoareTripleChecker+Valid, 24276 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:45,885 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11747 Valid, 24276 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:56:45,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:45,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:45,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5026103464641671) internal successors, (12664), 8428 states have internal predecessors, (12664), 0 states have call successors, (0), 0 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 10:56:45,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12664 transitions.
[2024-12-02 10:56:45,943 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12664 transitions. Word has length 4154
[2024-12-02 10:56:45,943 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:45,943 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12664 transitions.
[2024-12-02 10:56:45,944 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.5) internal successors, (4154), 4 states have internal predecessors, (4154), 0 states have call successors, (0), 0 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 10:56:45,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12664 transitions.
[2024-12-02 10:56:46,009 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4156
[2024-12-02 10:56:46,009 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:46,011 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:56:46,011 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 10:56:46,011 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:46,012 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:46,013 INFO  L85        PathProgramCache]: Analyzing trace with hash -1328645563, now seen corresponding path program 1 times
[2024-12-02 10:56:46,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:46,014 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845364390]
[2024-12-02 10:56:46,014 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:46,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:56:49,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:56,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:56:56,259 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:56:56,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845364390]
[2024-12-02 10:56:56,259 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845364390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:56,259 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:56:56,259 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:56:56,259 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550766645]
[2024-12-02 10:56:56,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:56,261 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:56:56,261 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:56,262 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:56:56,262 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:56:56,263 INFO  L87              Difference]: Start difference. First operand 8429 states and 12664 transitions. Second operand  has 4 states, 4 states have (on average 1038.75) internal successors, (4155), 4 states have internal predecessors, (4155), 0 states have call successors, (0), 0 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 10:56:56,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:56,519 INFO  L93              Difference]: Finished difference Result 16222 states and 24378 transitions.
[2024-12-02 10:56:56,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:56:56,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.75) internal successors, (4155), 4 states have internal predecessors, (4155), 0 states have call successors, (0), 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 4155
[2024-12-02 10:56:56,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:56,525 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:56:56,525 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:56:56,529 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:56:56,529 INFO  L435           NwaCegarLoop]: 12138 mSDtfsCounter, 11741 mSDsluCounter, 12136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11741 SdHoareTripleChecker+Valid, 24274 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:56,529 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11741 Valid, 24274 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:56:56,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:56:56,577 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:56:56,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5024916943521596) internal successors, (12663), 8428 states have internal predecessors, (12663), 0 states have call successors, (0), 0 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 10:56:56,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12663 transitions.
[2024-12-02 10:56:56,590 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12663 transitions. Word has length 4155
[2024-12-02 10:56:56,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:56,591 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12663 transitions.
[2024-12-02 10:56:56,591 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.75) internal successors, (4155), 4 states have internal predecessors, (4155), 0 states have call successors, (0), 0 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 10:56:56,591 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12663 transitions.
[2024-12-02 10:56:56,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4157
[2024-12-02 10:56:56,657 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:56:56,658 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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 10:56:56,658 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 10:56:56,658 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:56,659 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:56,660 INFO  L85        PathProgramCache]: Analyzing trace with hash -54465473, now seen corresponding path program 1 times
[2024-12-02 10:56:56,660 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:56,660 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565475981]
[2024-12-02 10:56:56,660 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:56,661 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:00,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:04,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:04,780 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:04,780 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565475981]
[2024-12-02 10:57:04,780 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565475981] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:04,780 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:04,780 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:04,780 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16078562]
[2024-12-02 10:57:04,780 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:04,782 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:04,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:04,784 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:04,784 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:04,784 INFO  L87              Difference]: Start difference. First operand 8429 states and 12663 transitions. Second operand  has 4 states, 4 states have (on average 1039.0) internal successors, (4156), 4 states have internal predecessors, (4156), 0 states have call successors, (0), 0 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 10:57:05,023 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:05,023 INFO  L93              Difference]: Finished difference Result 16222 states and 24376 transitions.
[2024-12-02 10:57:05,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:05,024 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1039.0) internal successors, (4156), 4 states have internal predecessors, (4156), 0 states have call successors, (0), 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 4156
[2024-12-02 10:57:05,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:05,029 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:05,029 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:05,033 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:05,033 INFO  L435           NwaCegarLoop]: 12137 mSDtfsCounter, 11699 mSDsluCounter, 12135 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11699 SdHoareTripleChecker+Valid, 24272 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:05,033 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11699 Valid, 24272 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:57:05,039 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:05,084 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:05,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5023730422401518) internal successors, (12662), 8428 states have internal predecessors, (12662), 0 states have call successors, (0), 0 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 10:57:05,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12662 transitions.
[2024-12-02 10:57:05,097 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12662 transitions. Word has length 4156
[2024-12-02 10:57:05,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:05,098 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12662 transitions.
[2024-12-02 10:57:05,098 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1039.0) internal successors, (4156), 4 states have internal predecessors, (4156), 0 states have call successors, (0), 0 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 10:57:05,099 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12662 transitions.
[2024-12-02 10:57:05,164 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4158
[2024-12-02 10:57:05,164 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:05,166 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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 10:57:05,166 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 10:57:05,166 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:05,167 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:05,168 INFO  L85        PathProgramCache]: Analyzing trace with hash -1161308842, now seen corresponding path program 1 times
[2024-12-02 10:57:05,168 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:05,168 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210705893]
[2024-12-02 10:57:05,168 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:05,168 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:09,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:14,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:14,316 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:14,316 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210705893]
[2024-12-02 10:57:14,316 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210705893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:14,316 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:14,316 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:14,316 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862808771]
[2024-12-02 10:57:14,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:14,318 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:14,318 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:14,320 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:14,320 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:14,321 INFO  L87              Difference]: Start difference. First operand 8429 states and 12662 transitions. Second operand  has 4 states, 4 states have (on average 1039.25) internal successors, (4157), 4 states have internal predecessors, (4157), 0 states have call successors, (0), 0 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 10:57:14,539 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:14,539 INFO  L93              Difference]: Finished difference Result 16222 states and 24374 transitions.
[2024-12-02 10:57:14,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:14,540 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1039.25) internal successors, (4157), 4 states have internal predecessors, (4157), 0 states have call successors, (0), 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 4157
[2024-12-02 10:57:14,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:14,546 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:14,546 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:14,549 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:14,550 INFO  L435           NwaCegarLoop]: 12136 mSDtfsCounter, 11693 mSDsluCounter, 12134 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11693 SdHoareTripleChecker+Valid, 24270 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:14,550 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11693 Valid, 24270 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 10:57:14,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:14,618 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:14,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5022543901281442) internal successors, (12661), 8428 states have internal predecessors, (12661), 0 states have call successors, (0), 0 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 10:57:14,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12661 transitions.
[2024-12-02 10:57:14,637 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12661 transitions. Word has length 4157
[2024-12-02 10:57:14,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:14,638 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12661 transitions.
[2024-12-02 10:57:14,639 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1039.25) internal successors, (4157), 4 states have internal predecessors, (4157), 0 states have call successors, (0), 0 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 10:57:14,639 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12661 transitions.
[2024-12-02 10:57:14,737 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4159
[2024-12-02 10:57:14,737 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:14,739 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 10:57:14,739 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 10:57:14,739 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:14,740 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:14,741 INFO  L85        PathProgramCache]: Analyzing trace with hash 805007986, now seen corresponding path program 1 times
[2024-12-02 10:57:14,741 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:14,741 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647816438]
[2024-12-02 10:57:14,741 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:14,741 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:18,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:24,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:24,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:24,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647816438]
[2024-12-02 10:57:24,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647816438] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:24,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:24,431 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:24,431 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245789872]
[2024-12-02 10:57:24,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:24,434 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:24,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:24,438 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:24,438 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:24,439 INFO  L87              Difference]: Start difference. First operand 8429 states and 12661 transitions. Second operand  has 4 states, 4 states have (on average 1039.5) internal successors, (4158), 4 states have internal predecessors, (4158), 0 states have call successors, (0), 0 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 10:57:25,026 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:25,026 INFO  L93              Difference]: Finished difference Result 16222 states and 24372 transitions.
[2024-12-02 10:57:25,026 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:25,027 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1039.5) internal successors, (4158), 4 states have internal predecessors, (4158), 0 states have call successors, (0), 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 4158
[2024-12-02 10:57:25,028 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:25,032 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:25,032 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:25,036 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:25,036 INFO  L435           NwaCegarLoop]: 12135 mSDtfsCounter, 11651 mSDsluCounter, 12133 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11651 SdHoareTripleChecker+Valid, 24268 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:25,037 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11651 Valid, 24268 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 10:57:25,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:25,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:25,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5021357380161366) internal successors, (12660), 8428 states have internal predecessors, (12660), 0 states have call successors, (0), 0 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 10:57:25,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12660 transitions.
[2024-12-02 10:57:25,119 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12660 transitions. Word has length 4158
[2024-12-02 10:57:25,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:25,121 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12660 transitions.
[2024-12-02 10:57:25,122 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1039.5) internal successors, (4158), 4 states have internal predecessors, (4158), 0 states have call successors, (0), 0 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 10:57:25,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12660 transitions.
[2024-12-02 10:57:25,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4160
[2024-12-02 10:57:25,311 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:25,313 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 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 10:57:25,313 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 10:57:25,313 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:25,314 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:25,315 INFO  L85        PathProgramCache]: Analyzing trace with hash 463374887, now seen corresponding path program 1 times
[2024-12-02 10:57:25,315 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:25,316 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776724813]
[2024-12-02 10:57:25,316 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:25,317 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:29,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:34,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:34,434 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:34,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776724813]
[2024-12-02 10:57:34,434 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776724813] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:34,434 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:34,434 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:34,434 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358913903]
[2024-12-02 10:57:34,434 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:34,437 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:34,437 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:34,439 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:34,439 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:34,439 INFO  L87              Difference]: Start difference. First operand 8429 states and 12660 transitions. Second operand  has 4 states, 4 states have (on average 1039.75) internal successors, (4159), 4 states have internal predecessors, (4159), 0 states have call successors, (0), 0 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 10:57:34,700 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:34,700 INFO  L93              Difference]: Finished difference Result 16222 states and 24370 transitions.
[2024-12-02 10:57:34,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:34,701 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1039.75) internal successors, (4159), 4 states have internal predecessors, (4159), 0 states have call successors, (0), 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 4159
[2024-12-02 10:57:34,702 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:34,706 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:34,706 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:34,711 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:34,711 INFO  L435           NwaCegarLoop]: 12134 mSDtfsCounter, 11645 mSDsluCounter, 12132 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11645 SdHoareTripleChecker+Valid, 24266 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:34,711 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11645 Valid, 24266 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:57:34,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:34,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:34,764 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.502017085904129) internal successors, (12659), 8428 states have internal predecessors, (12659), 0 states have call successors, (0), 0 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 10:57:34,772 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12659 transitions.
[2024-12-02 10:57:34,772 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12659 transitions. Word has length 4159
[2024-12-02 10:57:34,772 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:34,772 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12659 transitions.
[2024-12-02 10:57:34,773 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1039.75) internal successors, (4159), 4 states have internal predecessors, (4159), 0 states have call successors, (0), 0 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 10:57:34,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12659 transitions.
[2024-12-02 10:57:34,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4161
[2024-12-02 10:57:34,839 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:34,840 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 10:57:34,840 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 10:57:34,840 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:34,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:34,842 INFO  L85        PathProgramCache]: Analyzing trace with hash 1678507237, now seen corresponding path program 1 times
[2024-12-02 10:57:34,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:34,842 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070155722]
[2024-12-02 10:57:34,842 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:34,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:38,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:44,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:44,778 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:44,778 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070155722]
[2024-12-02 10:57:44,778 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070155722] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:44,778 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:44,779 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:44,779 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968262005]
[2024-12-02 10:57:44,779 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:44,780 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:44,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:44,782 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:44,782 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:44,783 INFO  L87              Difference]: Start difference. First operand 8429 states and 12659 transitions. Second operand  has 4 states, 4 states have (on average 1040.0) internal successors, (4160), 4 states have internal predecessors, (4160), 0 states have call successors, (0), 0 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 10:57:45,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:45,461 INFO  L93              Difference]: Finished difference Result 16222 states and 24368 transitions.
[2024-12-02 10:57:45,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:45,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1040.0) internal successors, (4160), 4 states have internal predecessors, (4160), 0 states have call successors, (0), 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 4160
[2024-12-02 10:57:45,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:45,468 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:45,468 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:45,472 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:45,472 INFO  L435           NwaCegarLoop]: 12137 mSDtfsCounter, 11631 mSDsluCounter, 12135 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11631 SdHoareTripleChecker+Valid, 24272 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:45,472 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11631 Valid, 24272 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 10:57:45,478 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:45,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:45,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5018984337921215) internal successors, (12658), 8428 states have internal predecessors, (12658), 0 states have call successors, (0), 0 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 10:57:45,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12658 transitions.
[2024-12-02 10:57:45,531 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12658 transitions. Word has length 4160
[2024-12-02 10:57:45,531 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:45,531 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12658 transitions.
[2024-12-02 10:57:45,532 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1040.0) internal successors, (4160), 4 states have internal predecessors, (4160), 0 states have call successors, (0), 0 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 10:57:45,532 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12658 transitions.
[2024-12-02 10:57:45,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4162
[2024-12-02 10:57:45,597 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:45,598 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 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 10:57:45,599 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 10:57:45,599 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:45,599 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:45,600 INFO  L85        PathProgramCache]: Analyzing trace with hash -1989234893, now seen corresponding path program 1 times
[2024-12-02 10:57:45,600 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:45,600 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314303332]
[2024-12-02 10:57:45,601 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:45,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:49,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:57:54,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:57:54,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:57:54,724 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314303332]
[2024-12-02 10:57:54,724 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314303332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:57:54,724 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:57:54,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:57:54,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617592986]
[2024-12-02 10:57:54,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:57:54,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:57:54,727 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:57:54,729 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:57:54,729 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:57:54,729 INFO  L87              Difference]: Start difference. First operand 8429 states and 12658 transitions. Second operand  has 4 states, 4 states have (on average 1040.25) internal successors, (4161), 4 states have internal predecessors, (4161), 0 states have call successors, (0), 0 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 10:57:55,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:57:55,004 INFO  L93              Difference]: Finished difference Result 16222 states and 24366 transitions.
[2024-12-02 10:57:55,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:57:55,005 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1040.25) internal successors, (4161), 4 states have internal predecessors, (4161), 0 states have call successors, (0), 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 4161
[2024-12-02 10:57:55,006 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:57:55,009 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:57:55,009 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:57:55,011 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:57:55,012 INFO  L435           NwaCegarLoop]: 12148 mSDtfsCounter, 11627 mSDsluCounter, 12146 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11627 SdHoareTripleChecker+Valid, 24294 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:57:55,012 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11627 Valid, 24294 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:57:55,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:57:55,055 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:57:55,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.501779781680114) internal successors, (12657), 8428 states have internal predecessors, (12657), 0 states have call successors, (0), 0 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 10:57:55,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12657 transitions.
[2024-12-02 10:57:55,067 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12657 transitions. Word has length 4161
[2024-12-02 10:57:55,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:57:55,068 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12657 transitions.
[2024-12-02 10:57:55,068 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1040.25) internal successors, (4161), 4 states have internal predecessors, (4161), 0 states have call successors, (0), 0 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 10:57:55,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12657 transitions.
[2024-12-02 10:57:55,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4163
[2024-12-02 10:57:55,133 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:57:55,134 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 10:57:55,134 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 10:57:55,134 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:57:55,135 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:57:55,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -1478241263, now seen corresponding path program 1 times
[2024-12-02 10:57:55,136 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:57:55,136 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800769816]
[2024-12-02 10:57:55,136 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:57:55,136 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:57:58,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:58:04,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:58:04,632 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:58:04,632 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800769816]
[2024-12-02 10:58:04,632 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800769816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:58:04,632 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:58:04,632 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:58:04,632 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563574739]
[2024-12-02 10:58:04,632 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:58:04,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:58:04,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:58:04,636 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:58:04,636 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:58:04,637 INFO  L87              Difference]: Start difference. First operand 8429 states and 12657 transitions. Second operand  has 4 states, 4 states have (on average 1040.5) internal successors, (4162), 4 states have internal predecessors, (4162), 0 states have call successors, (0), 0 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 10:58:04,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:58:04,873 INFO  L93              Difference]: Finished difference Result 16222 states and 24364 transitions.
[2024-12-02 10:58:04,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:58:04,874 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1040.5) internal successors, (4162), 4 states have internal predecessors, (4162), 0 states have call successors, (0), 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 4162
[2024-12-02 10:58:04,875 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:58:04,879 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:58:04,879 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:58:04,883 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:58:04,883 INFO  L435           NwaCegarLoop]: 12147 mSDtfsCounter, 11623 mSDsluCounter, 12145 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11623 SdHoareTripleChecker+Valid, 24292 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:58:04,884 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11623 Valid, 24292 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:58:04,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:58:04,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:58:04,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5016611295681064) internal successors, (12656), 8428 states have internal predecessors, (12656), 0 states have call successors, (0), 0 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 10:58:04,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12656 transitions.
[2024-12-02 10:58:04,944 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12656 transitions. Word has length 4162
[2024-12-02 10:58:04,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:58:04,944 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12656 transitions.
[2024-12-02 10:58:04,945 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1040.5) internal successors, (4162), 4 states have internal predecessors, (4162), 0 states have call successors, (0), 0 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 10:58:04,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12656 transitions.
[2024-12-02 10:58:05,285 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4164
[2024-12-02 10:58:05,285 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:58:05,286 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 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 10:58:05,286 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 10:58:05,286 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:58:05,287 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:58:05,287 INFO  L85        PathProgramCache]: Analyzing trace with hash 1060193119, now seen corresponding path program 1 times
[2024-12-02 10:58:05,287 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:58:05,287 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659353615]
[2024-12-02 10:58:05,288 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:58:05,288 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:58:08,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:58:13,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:58:13,611 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:58:13,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659353615]
[2024-12-02 10:58:13,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659353615] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:58:13,611 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:58:13,612 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:58:13,612 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862865367]
[2024-12-02 10:58:13,612 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:58:13,615 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:58:13,615 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:58:13,617 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:58:13,617 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:58:13,618 INFO  L87              Difference]: Start difference. First operand 8429 states and 12656 transitions. Second operand  has 4 states, 4 states have (on average 1040.75) internal successors, (4163), 4 states have internal predecessors, (4163), 0 states have call successors, (0), 0 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 10:58:13,864 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:58:13,864 INFO  L93              Difference]: Finished difference Result 16222 states and 24362 transitions.
[2024-12-02 10:58:13,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:58:13,865 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1040.75) internal successors, (4163), 4 states have internal predecessors, (4163), 0 states have call successors, (0), 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 4163
[2024-12-02 10:58:13,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:58:13,870 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:58:13,870 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:58:13,873 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:58:13,873 INFO  L435           NwaCegarLoop]: 12130 mSDtfsCounter, 11619 mSDsluCounter, 12128 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11619 SdHoareTripleChecker+Valid, 24258 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:58:13,873 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11619 Valid, 24258 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:58:13,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:58:13,918 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:58:13,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5015424774560988) internal successors, (12655), 8428 states have internal predecessors, (12655), 0 states have call successors, (0), 0 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 10:58:13,931 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12655 transitions.
[2024-12-02 10:58:13,932 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12655 transitions. Word has length 4163
[2024-12-02 10:58:13,932 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:58:13,932 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12655 transitions.
[2024-12-02 10:58:13,933 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1040.75) internal successors, (4163), 4 states have internal predecessors, (4163), 0 states have call successors, (0), 0 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 10:58:13,933 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12655 transitions.
[2024-12-02 10:58:13,997 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4165
[2024-12-02 10:58:13,997 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:58:13,998 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 10:58:13,998 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 10:58:13,998 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:58:13,999 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:58:14,000 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248518461, now seen corresponding path program 1 times
[2024-12-02 10:58:14,000 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:58:14,000 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280931067]
[2024-12-02 10:58:14,000 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:58:14,000 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:58:17,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:58:23,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:58:23,042 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:58:23,042 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280931067]
[2024-12-02 10:58:23,042 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280931067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:58:23,042 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:58:23,043 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:58:23,043 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935385989]
[2024-12-02 10:58:23,043 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:58:23,045 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:58:23,045 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:58:23,048 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:58:23,048 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:58:23,049 INFO  L87              Difference]: Start difference. First operand 8429 states and 12655 transitions. Second operand  has 4 states, 4 states have (on average 1041.0) internal successors, (4164), 4 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 10:58:23,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:58:23,383 INFO  L93              Difference]: Finished difference Result 16222 states and 24360 transitions.
[2024-12-02 10:58:23,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 10:58:23,384 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1041.0) internal successors, (4164), 4 states have internal predecessors, (4164), 0 states have call successors, (0), 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 4164
[2024-12-02 10:58:23,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:58:23,390 INFO  L225             Difference]: With dead ends: 16222
[2024-12-02 10:58:23,390 INFO  L226             Difference]: Without dead ends: 8429
[2024-12-02 10:58:23,395 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:58:23,396 INFO  L435           NwaCegarLoop]: 12129 mSDtfsCounter, 11601 mSDsluCounter, 12127 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11601 SdHoareTripleChecker+Valid, 24256 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 10:58:23,396 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11601 Valid, 24256 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 10:58:23,404 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-12-02 10:58:23,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-12-02 10:58:23,468 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.501423825344091) internal successors, (12654), 8428 states have internal predecessors, (12654), 0 states have call successors, (0), 0 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 10:58:23,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12654 transitions.
[2024-12-02 10:58:23,479 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12654 transitions. Word has length 4164
[2024-12-02 10:58:23,479 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:58:23,479 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12654 transitions.
[2024-12-02 10:58:23,480 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1041.0) internal successors, (4164), 4 states have internal predecessors, (4164), 0 states have call successors, (0), 0 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 10:58:23,480 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12654 transitions.
[2024-12-02 10:58:23,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4166
[2024-12-02 10:58:23,903 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:58:23,905 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 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 10:58:23,906 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 10:58:23,906 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:58:23,906 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:58:23,907 INFO  L85        PathProgramCache]: Analyzing trace with hash -356695943, now seen corresponding path program 1 times
[2024-12-02 10:58:23,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:58:23,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606513735]
[2024-12-02 10:58:23,907 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:58:23,908 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:58:28,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:58:34,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:58:34,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:58:34,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606513735]
[2024-12-02 10:58:34,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606513735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:58:34,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:58:34,747 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:58:34,747 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597516972]
[2024-12-02 10:58:34,747 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:58:34,749 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:58:34,749 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:58:34,751 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:58:34,751 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:58:34,751 INFO  L87              Difference]: Start difference. First operand 8429 states and 12654 transitions. Second operand  has 3 states, 3 states have (on average 1388.3333333333333) internal successors, (4165), 3 states have internal predecessors, (4165), 0 states have call successors, (0), 0 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 10:58:34,818 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:58:34,818 INFO  L93              Difference]: Finished difference Result 16223 states and 24360 transitions.
[2024-12-02 10:58:34,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 10:58:34,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1388.3333333333333) internal successors, (4165), 3 states have internal predecessors, (4165), 0 states have call successors, (0), 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 4165
[2024-12-02 10:58:34,820 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:58:34,825 INFO  L225             Difference]: With dead ends: 16223
[2024-12-02 10:58:34,825 INFO  L226             Difference]: Without dead ends: 8430
[2024-12-02 10:58:34,829 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 10:58:34,830 INFO  L435           NwaCegarLoop]: 12163 mSDtfsCounter, 0 mSDsluCounter, 12157 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24320 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:58:34,830 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24320 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:58:34,836 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8430 states.
[2024-12-02 10:58:34,877 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8430 to 8430.
[2024-12-02 10:58:34,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8430 states, 8429 states have (on average 1.5013643374065726) internal successors, (12655), 8429 states have internal predecessors, (12655), 0 states have call successors, (0), 0 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 10:58:34,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8430 states to 8430 states and 12655 transitions.
[2024-12-02 10:58:34,890 INFO  L78                 Accepts]: Start accepts. Automaton has 8430 states and 12655 transitions. Word has length 4165
[2024-12-02 10:58:34,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:58:34,891 INFO  L471      AbstractCegarLoop]: Abstraction has 8430 states and 12655 transitions.
[2024-12-02 10:58:34,891 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1388.3333333333333) internal successors, (4165), 3 states have internal predecessors, (4165), 0 states have call successors, (0), 0 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 10:58:34,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 8430 states and 12655 transitions.
[2024-12-02 10:58:34,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4166
[2024-12-02 10:58:34,956 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 10:58:34,957 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 10:58:34,957 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 10:58:34,957 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:58:34,958 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:58:34,958 INFO  L85        PathProgramCache]: Analyzing trace with hash -1171166488, now seen corresponding path program 1 times
[2024-12-02 10:58:34,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:58:34,959 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208764564]
[2024-12-02 10:58:34,959 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:58:34,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms