./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 02:45:29,320 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 02:45:29,432 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-07 02:45:29,438 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 02:45:29,439 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 02:45:29,465 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 02:45:29,465 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 02:45:29,466 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 02:45:29,466 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 02:45:29,466 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 02:45:29,466 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 02:45:29,468 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 02:45:29,468 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 02:45:29,468 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 02:45:29,469 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 02:45:29,469 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 02:45:29,470 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 02:45:29,470 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 02:45:29,470 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 02:45:29,470 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 02:45:29,470 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 02:45:29,471 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 02:45:29,471 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 02:45:29,472 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 02:45:29,472 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 02:45:29,473 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 02:45:29,473 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 02:45:29,473 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 02:45:29,473 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 02:45:29,473 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81
[2024-11-07 02:45:29,769 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 02:45:29,779 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 02:45:29,783 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 02:45:29,784 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 02:45:29,785 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 02:45:29,787 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-07 02:45:31,067 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 02:45:31,485 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 02:45:31,486 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-07 02:45:31,519 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5fc37de4/4a4b7e3becda47a79e6b227a6523b8fb/FLAGc4c81d783
[2024-11-07 02:45:31,536 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5fc37de4/4a4b7e3becda47a79e6b227a6523b8fb
[2024-11-07 02:45:31,539 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 02:45:31,541 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 02:45:31,543 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 02:45:31,544 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 02:45:31,548 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 02:45:31,549 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:45:31" (1/1) ...
[2024-11-07 02:45:31,550 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f11de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:31, skipping insertion in model container
[2024-11-07 02:45:31,550 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:45:31" (1/1) ...
[2024-11-07 02:45:31,635 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 02:45:31,880 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194]
[2024-11-07 02:45:32,616 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 02:45:32,630 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 02:45:32,642 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194]
[2024-11-07 02:45:33,021 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 02:45:33,032 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 02:45:33,033 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33 WrapperNode
[2024-11-07 02:45:33,033 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 02:45:33,035 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 02:45:33,035 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 02:45:33,035 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 02:45:33,043 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:33,227 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:34,491 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18689
[2024-11-07 02:45:34,492 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 02:45:34,493 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 02:45:34,493 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 02:45:34,493 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 02:45:34,500 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:34,501 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:35,015 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:35,411 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 02:45:35,412 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:35,413 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,076 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,159 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,262 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,345 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,640 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 02:45:36,642 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 02:45:36,642 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 02:45:36,642 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 02:45:36,643 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (1/1) ...
[2024-11-07 02:45:36,651 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 02:45:36,664 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 02:45:36,677 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 02:45:36,680 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 02:45:36,707 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 02:45:36,707 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 02:45:36,707 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 02:45:36,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 02:45:37,740 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 02:45:37,742 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 02:46:09,878 INFO  L?                        ?]: Removed 9900 outVars from TransFormulas that were not future-live.
[2024-11-07 02:46:09,879 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 02:46:09,977 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 02:46:09,978 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 02:46:09,978 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:46:09 BoogieIcfgContainer
[2024-11-07 02:46:09,978 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 02:46:09,980 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 02:46:09,980 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 02:46:09,985 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 02:46:09,985 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:45:31" (1/3) ...
[2024-11-07 02:46:09,985 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98e10a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:46:09, skipping insertion in model container
[2024-11-07 02:46:09,986 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:33" (2/3) ...
[2024-11-07 02:46:09,986 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98e10a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:46:09, skipping insertion in model container
[2024-11-07 02:46:09,986 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:46:09" (3/3) ...
[2024-11-07 02:46:09,987 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-07 02:46:10,000 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 02:46:10,000 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 02:46:10,159 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 02:46:10,169 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;@5d73c4d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 02:46:10,169 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 02:46:10,194 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6492 states, 6490 states have (on average 1.5052388289676426) internal successors, (9769), 6491 states have internal predecessors, (9769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:10,231 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 432
[2024-11-07 02:46:10,231 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:10,233 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:10,234 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:10,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:10,239 INFO  L85        PathProgramCache]: Analyzing trace with hash -1321226197, now seen corresponding path program 1 times
[2024-11-07 02:46:10,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:10,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95272893]
[2024-11-07 02:46:10,245 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:10,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:10,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:12,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:12,929 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:12,930 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95272893]
[2024-11-07 02:46:12,931 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95272893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:12,931 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:12,931 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:46:12,932 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637804705]
[2024-11-07 02:46:12,933 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:12,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:46:12,940 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:12,962 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:46:12,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:46:12,982 INFO  L87              Difference]: Start difference. First operand  has 6492 states, 6490 states have (on average 1.5052388289676426) internal successors, (9769), 6491 states have internal predecessors, (9769), 0 states have call successors, (0), 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 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:13,511 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:13,515 INFO  L93              Difference]: Finished difference Result 12773 states and 19225 transitions.
[2024-11-07 02:46:13,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:46:13,521 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 431
[2024-11-07 02:46:13,528 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:13,624 INFO  L225             Difference]: With dead ends: 12773
[2024-11-07 02:46:13,626 INFO  L226             Difference]: Without dead ends: 6491
[2024-11-07 02:46:13,653 INFO  L431           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
[2024-11-07 02:46:13,655 INFO  L432           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19520 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29283 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 02:46:13,657 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29283 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 02:46:13,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6491 states.
[2024-11-07 02:46:13,919 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6491 to 6491.
[2024-11-07 02:46:13,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6491 states, 6490 states have (on average 1.5049306625577812) internal successors, (9767), 6490 states have internal predecessors, (9767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:13,964 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6491 states to 6491 states and 9767 transitions.
[2024-11-07 02:46:13,966 INFO  L78                 Accepts]: Start accepts. Automaton has 6491 states and 9767 transitions. Word has length 431
[2024-11-07 02:46:13,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:13,969 INFO  L471      AbstractCegarLoop]: Abstraction has 6491 states and 9767 transitions.
[2024-11-07 02:46:13,970 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:13,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 6491 states and 9767 transitions.
[2024-11-07 02:46:13,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 433
[2024-11-07 02:46:13,978 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:13,978 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:13,978 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 02:46:13,979 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:13,980 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:13,981 INFO  L85        PathProgramCache]: Analyzing trace with hash 1993358775, now seen corresponding path program 1 times
[2024-11-07 02:46:13,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:13,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377347236]
[2024-11-07 02:46:13,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:13,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:14,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:15,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:15,004 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:15,008 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377347236]
[2024-11-07 02:46:15,008 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377347236] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:15,008 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:15,009 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:46:15,009 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410687436]
[2024-11-07 02:46:15,009 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:15,010 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:46:15,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:15,011 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:46:15,012 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:46:15,012 INFO  L87              Difference]: Start difference. First operand 6491 states and 9767 transitions. Second operand  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:15,385 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:15,386 INFO  L93              Difference]: Finished difference Result 12774 states and 19223 transitions.
[2024-11-07 02:46:15,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:46:15,386 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 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 432
[2024-11-07 02:46:15,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:15,415 INFO  L225             Difference]: With dead ends: 12774
[2024-11-07 02:46:15,415 INFO  L226             Difference]: Without dead ends: 6493
[2024-11-07 02:46:15,423 INFO  L431           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
[2024-11-07 02:46:15,425 INFO  L432           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 02:46:15,426 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:46:15,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6493 states.
[2024-11-07 02:46:15,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 6493.
[2024-11-07 02:46:15,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6493 states, 6492 states have (on average 1.5047751078250153) internal successors, (9769), 6492 states have internal predecessors, (9769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:15,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 6493 states and 9769 transitions.
[2024-11-07 02:46:15,599 INFO  L78                 Accepts]: Start accepts. Automaton has 6493 states and 9769 transitions. Word has length 432
[2024-11-07 02:46:15,600 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:15,600 INFO  L471      AbstractCegarLoop]: Abstraction has 6493 states and 9769 transitions.
[2024-11-07 02:46:15,600 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:15,600 INFO  L276                IsEmpty]: Start isEmpty. Operand 6493 states and 9769 transitions.
[2024-11-07 02:46:15,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 434
[2024-11-07 02:46:15,611 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:15,611 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:15,611 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 02:46:15,611 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:15,616 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:15,616 INFO  L85        PathProgramCache]: Analyzing trace with hash 566616708, now seen corresponding path program 1 times
[2024-11-07 02:46:15,616 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:15,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101302277]
[2024-11-07 02:46:15,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:15,621 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:15,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:16,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:16,620 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:16,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101302277]
[2024-11-07 02:46:16,620 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101302277] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:16,621 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:16,621 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:46:16,621 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141160600]
[2024-11-07 02:46:16,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:16,622 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:46:16,622 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:16,623 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:46:16,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:46:16,624 INFO  L87              Difference]: Start difference. First operand 6493 states and 9769 transitions. Second operand  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:16,826 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:16,826 INFO  L93              Difference]: Finished difference Result 12778 states and 19227 transitions.
[2024-11-07 02:46:16,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:46:16,827 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 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 433
[2024-11-07 02:46:16,828 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:16,856 INFO  L225             Difference]: With dead ends: 12778
[2024-11-07 02:46:16,857 INFO  L226             Difference]: Without dead ends: 6495
[2024-11-07 02:46:16,866 INFO  L431           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
[2024-11-07 02:46:16,869 INFO  L432           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 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
[2024-11-07 02:46:16,871 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:46:16,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6495 states.
[2024-11-07 02:46:16,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6495 to 6495.
[2024-11-07 02:46:17,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6495 states, 6494 states have (on average 1.504619648906683) internal successors, (9771), 6494 states have internal predecessors, (9771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:17,040 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 9771 transitions.
[2024-11-07 02:46:17,040 INFO  L78                 Accepts]: Start accepts. Automaton has 6495 states and 9771 transitions. Word has length 433
[2024-11-07 02:46:17,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:17,041 INFO  L471      AbstractCegarLoop]: Abstraction has 6495 states and 9771 transitions.
[2024-11-07 02:46:17,042 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:17,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 6495 states and 9771 transitions.
[2024-11-07 02:46:17,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 435
[2024-11-07 02:46:17,048 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:17,049 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:17,050 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 02:46:17,050 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:17,051 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:17,051 INFO  L85        PathProgramCache]: Analyzing trace with hash 1294138334, now seen corresponding path program 1 times
[2024-11-07 02:46:17,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:17,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427625068]
[2024-11-07 02:46:17,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:17,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:17,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:18,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:18,076 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:18,076 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427625068]
[2024-11-07 02:46:18,077 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427625068] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:18,077 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:18,077 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:46:18,077 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727399034]
[2024-11-07 02:46:18,077 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:18,078 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:46:18,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:18,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:46:18,079 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:46:18,079 INFO  L87              Difference]: Start difference. First operand 6495 states and 9771 transitions. Second operand  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:18,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:18,271 INFO  L93              Difference]: Finished difference Result 12782 states and 19231 transitions.
[2024-11-07 02:46:18,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:46:18,272 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 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 434
[2024-11-07 02:46:18,273 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:18,303 INFO  L225             Difference]: With dead ends: 12782
[2024-11-07 02:46:18,304 INFO  L226             Difference]: Without dead ends: 6497
[2024-11-07 02:46:18,314 INFO  L431           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
[2024-11-07 02:46:18,315 INFO  L432           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 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
[2024-11-07 02:46:18,315 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:46:18,327 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6497 states.
[2024-11-07 02:46:18,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6497 to 6497.
[2024-11-07 02:46:18,453 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6497 states, 6496 states have (on average 1.5044642857142858) internal successors, (9773), 6496 states have internal predecessors, (9773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:18,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9773 transitions.
[2024-11-07 02:46:18,474 INFO  L78                 Accepts]: Start accepts. Automaton has 6497 states and 9773 transitions. Word has length 434
[2024-11-07 02:46:18,475 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:18,475 INFO  L471      AbstractCegarLoop]: Abstraction has 6497 states and 9773 transitions.
[2024-11-07 02:46:18,476 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:18,476 INFO  L276                IsEmpty]: Start isEmpty. Operand 6497 states and 9773 transitions.
[2024-11-07 02:46:18,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 436
[2024-11-07 02:46:18,482 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:18,483 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:18,483 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 02:46:18,483 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:18,484 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:18,484 INFO  L85        PathProgramCache]: Analyzing trace with hash -1717188643, now seen corresponding path program 1 times
[2024-11-07 02:46:18,484 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:18,484 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57771161]
[2024-11-07 02:46:18,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:18,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:18,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:19,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:19,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:19,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57771161]
[2024-11-07 02:46:19,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57771161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:19,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:19,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 02:46:19,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514806899]
[2024-11-07 02:46:19,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:19,315 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 02:46:19,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:19,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 02:46:19,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 02:46:19,316 INFO  L87              Difference]: Start difference. First operand 6497 states and 9773 transitions. Second operand  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:19,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:19,659 INFO  L93              Difference]: Finished difference Result 12786 states and 19235 transitions.
[2024-11-07 02:46:19,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:46:19,661 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 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 435
[2024-11-07 02:46:19,663 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:19,683 INFO  L225             Difference]: With dead ends: 12786
[2024-11-07 02:46:19,683 INFO  L226             Difference]: Without dead ends: 6499
[2024-11-07 02:46:19,692 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 02:46:19,693 INFO  L432           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 29273 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39036 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 02:46:19,694 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39036 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 02:46:19,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6499 states.
[2024-11-07 02:46:19,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6499 to 6499.
[2024-11-07 02:46:19,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6499 states, 6498 states have (on average 1.5043090181594336) internal successors, (9775), 6498 states have internal predecessors, (9775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:19,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 9775 transitions.
[2024-11-07 02:46:19,885 INFO  L78                 Accepts]: Start accepts. Automaton has 6499 states and 9775 transitions. Word has length 435
[2024-11-07 02:46:19,886 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:19,887 INFO  L471      AbstractCegarLoop]: Abstraction has 6499 states and 9775 transitions.
[2024-11-07 02:46:19,887 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:19,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 6499 states and 9775 transitions.
[2024-11-07 02:46:19,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 437
[2024-11-07 02:46:19,894 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:19,895 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:46:19,895 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 02:46:19,895 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:19,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:19,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -329720059, now seen corresponding path program 1 times
[2024-11-07 02:46:19,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:19,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476452907]
[2024-11-07 02:46:19,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:19,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:20,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:21,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:21,340 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:21,340 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476452907]
[2024-11-07 02:46:21,341 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476452907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:21,341 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:21,341 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 02:46:21,341 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196599336]
[2024-11-07 02:46:21,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:21,343 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 02:46:21,343 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:21,344 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 02:46:21,344 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 02:46:21,344 INFO  L87              Difference]: Start difference. First operand 6499 states and 9775 transitions. Second operand  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:21,647 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:21,647 INFO  L93              Difference]: Finished difference Result 18954 states and 28513 transitions.
[2024-11-07 02:46:21,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 02:46:21,648 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 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 436
[2024-11-07 02:46:21,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:21,683 INFO  L225             Difference]: With dead ends: 18954
[2024-11-07 02:46:21,684 INFO  L226             Difference]: Without dead ends: 12665
[2024-11-07 02:46:21,699 INFO  L431           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
[2024-11-07 02:46:21,700 INFO  L432           NwaCegarLoop]: 9761 mSDtfsCounter, 9156 mSDsluCounter, 28964 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9156 SdHoareTripleChecker+Valid, 38725 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 02:46:21,702 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9156 Valid, 38725 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:46:21,727 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12665 states.
[2024-11-07 02:46:21,899 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12665 to 7135.
[2024-11-07 02:46:21,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7135 states, 7134 states have (on average 1.5039248668348753) internal successors, (10729), 7134 states have internal predecessors, (10729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:21,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10729 transitions.
[2024-11-07 02:46:21,935 INFO  L78                 Accepts]: Start accepts. Automaton has 7135 states and 10729 transitions. Word has length 436
[2024-11-07 02:46:21,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:21,936 INFO  L471      AbstractCegarLoop]: Abstraction has 7135 states and 10729 transitions.
[2024-11-07 02:46:21,938 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:21,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 7135 states and 10729 transitions.
[2024-11-07 02:46:22,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-07 02:46:22,217 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:22,219 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-11-07 02:46:22,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-07 02:46:22,220 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:22,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:22,223 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976816396, now seen corresponding path program 1 times
[2024-11-07 02:46:22,223 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:22,223 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028490699]
[2024-11-07 02:46:22,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:22,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:46:28,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:46:34,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:46:34,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:46:34,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028490699]
[2024-11-07 02:46:34,954 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028490699] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:46:34,954 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:46:34,954 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:46:34,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857744108]
[2024-11-07 02:46:34,954 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:46:34,958 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:46:34,958 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:46:34,967 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:46:34,967 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:46:34,969 INFO  L87              Difference]: Start difference. First operand 7135 states and 10729 transitions. Second operand  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:35,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:46:35,208 INFO  L93              Difference]: Finished difference Result 13425 states and 20192 transitions.
[2024-11-07 02:46:35,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:46:35,212 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-11-07 02:46:35,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:46:35,261 INFO  L225             Difference]: With dead ends: 13425
[2024-11-07 02:46:35,261 INFO  L226             Difference]: Without dead ends: 7136
[2024-11-07 02:46:35,288 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:46:35,289 INFO  L432           NwaCegarLoop]: 9764 mSDtfsCounter, 0 mSDsluCounter, 9758 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19522 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 02:46:35,290 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19522 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:46:35,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7136 states.
[2024-11-07 02:46:35,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 7136.
[2024-11-07 02:46:35,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7136 states, 7135 states have (on average 1.50385423966363) internal successors, (10730), 7135 states have internal predecessors, (10730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:35,593 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 10730 transitions.
[2024-11-07 02:46:35,597 INFO  L78                 Accepts]: Start accepts. Automaton has 7136 states and 10730 transitions. Word has length 3331
[2024-11-07 02:46:35,599 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:46:35,603 INFO  L471      AbstractCegarLoop]: Abstraction has 7136 states and 10730 transitions.
[2024-11-07 02:46:35,605 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:46:35,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 7136 states and 10730 transitions.
[2024-11-07 02:46:35,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-07 02:46:35,926 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:46:35,927 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-11-07 02:46:35,928 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-07 02:46:35,928 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:46:35,928 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:46:35,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 431228923, now seen corresponding path program 1 times
[2024-11-07 02:46:35,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:46:35,935 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218433462]
[2024-11-07 02:46:35,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:46:35,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms