./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:00:39,194 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:00:39,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 19:00:39,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:00:39,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:00:39,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:00:39,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:00:39,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:00:39,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:00:39,321 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:00:39,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:00:39,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:00:39,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:00:39,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:00:39,324 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:00:39,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:00:39,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:00:39,327 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:00:39,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:00:39,328 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:00:39,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:00:39,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:00:39,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:00:39,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:00:39,333 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:00:39,333 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:00:39,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:00:39,334 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:00:39,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:00:39,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:00:39,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:00:39,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:00:39,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:00:39,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:00:39,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:00:39,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:00:39,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:00:39,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:00:39,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:00:39,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:00:39,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:00:39,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:00:39,342 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253
[2024-11-08 19:00:39,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:00:39,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:00:39,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:00:39,673 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:00:39,674 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:00:39,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c
Unable to find full path for "g++"
[2024-11-08 19:00:41,644 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:00:41,996 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:00:41,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/sv-benchmarks/c/eca-rers2012/Problem01_label30.c
[2024-11-08 19:00:42,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/data/0e4c3c2df/f7419b58d50142ee8dd7fa89c92968c1/FLAG1b0865b09
[2024-11-08 19:00:42,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/data/0e4c3c2df/f7419b58d50142ee8dd7fa89c92968c1
[2024-11-08 19:00:42,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:00:42,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:00:42,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:00:42,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:00:42,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:00:42,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3f4fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42, skipping insertion in model container
[2024-11-08 19:00:42,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,128 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:00:42,626 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_e99c52ed-99ec-4ef5-a10f-e79a6000a910/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101]
[2024-11-08 19:00:42,665 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:00:42,684 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:00:42,801 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_e99c52ed-99ec-4ef5-a10f-e79a6000a910/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101]
[2024-11-08 19:00:42,807 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:00:42,829 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:00:42,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42 WrapperNode
[2024-11-08 19:00:42,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:00:42,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:00:42,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:00:42,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:00:42,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,917 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657
[2024-11-08 19:00:42,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:00:42,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:00:42,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:00:42,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:00:42,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,965 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].
[2024-11-08 19:00:42,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:42,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:00:43,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:00:43,031 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:00:43,031 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:00:43,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (1/1) ...
[2024-11-08 19:00:43,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:00:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:00:43,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:00:43,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:00:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:00:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:00:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:00:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:00:43,242 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:00:43,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:00:44,499 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live.
[2024-11-08 19:00:44,500 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:00:44,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:00:44,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 19:00:44,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:00:44 BoogieIcfgContainer
[2024-11-08 19:00:44,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:00:44,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:00:44,535 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:00:44,539 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:00:44,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:00:42" (1/3) ...
[2024-11-08 19:00:44,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758edb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:00:44, skipping insertion in model container
[2024-11-08 19:00:44,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:42" (2/3) ...
[2024-11-08 19:00:44,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5758edb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:00:44, skipping insertion in model container
[2024-11-08 19:00:44,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:00:44" (3/3) ...
[2024-11-08 19:00:44,543 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30.c
[2024-11-08 19:00:44,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:00:44,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 19:00:44,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:00:44,678 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;@2f012f51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:00:44,678 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 19:00:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 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)
[2024-11-08 19:00:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-08 19:00:44,707 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:44,708 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]
[2024-11-08 19:00:44,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:44,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash -332349275, now seen corresponding path program 1 times
[2024-11-08 19:00:44,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:44,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841701167]
[2024-11-08 19:00:44,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:00:45,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:45,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841701167]
[2024-11-08 19:00:45,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841701167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:45,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:45,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:45,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812646231]
[2024-11-08 19:00:45,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:45,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:45,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:45,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:45,994 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 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) Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:47,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:47,513 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions.
[2024-11-08 19:00:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:00:47,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125
[2024-11-08 19:00:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:47,531 INFO L225 Difference]: With dead ends: 662
[2024-11-08 19:00:47,532 INFO L226 Difference]: Without dead ends: 397
[2024-11-08 19:00:47,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:00:47,540 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 305 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:47,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 81 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-08 19:00:47,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states.
[2024-11-08 19:00:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397.
[2024-11-08 19:00:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions.
[2024-11-08 19:00:47,613 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 125
[2024-11-08 19:00:47,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:47,614 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions.
[2024-11-08 19:00:47,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions.
[2024-11-08 19:00:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2024-11-08 19:00:47,619 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:47,619 INFO L215 NwaCegarLoop]: trace histogram [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]
[2024-11-08 19:00:47,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:00:47,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:47,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1013060915, now seen corresponding path program 1 times
[2024-11-08 19:00:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891671440]
[2024-11-08 19:00:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:00:48,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:48,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891671440]
[2024-11-08 19:00:48,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891671440] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:48,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:48,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:48,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813908938]
[2024-11-08 19:00:48,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:48,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:48,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:48,295 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:49,148 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions.
[2024-11-08 19:00:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:00:49,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132
[2024-11-08 19:00:49,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:49,152 INFO L225 Difference]: With dead ends: 887
[2024-11-08 19:00:49,152 INFO L226 Difference]: Without dead ends: 528
[2024-11-08 19:00:49,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:49,155 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 128 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:49,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 81 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 19:00:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2024-11-08 19:00:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397.
[2024-11-08 19:00:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions.
[2024-11-08 19:00:49,196 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 132
[2024-11-08 19:00:49,197 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:49,200 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions.
[2024-11-08 19:00:49,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions.
[2024-11-08 19:00:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-08 19:00:49,203 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:49,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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]
[2024-11-08 19:00:49,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:00:49,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:49,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1694844213, now seen corresponding path program 1 times
[2024-11-08 19:00:49,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:49,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686885441]
[2024-11-08 19:00:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-08 19:00:49,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:49,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686885441]
[2024-11-08 19:00:49,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686885441] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:49,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:49,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:00:49,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747071881]
[2024-11-08 19:00:49,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:49,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:00:49,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:49,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:00:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:00:49,437 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:49,876 INFO L93 Difference]: Finished difference Result 923 states and 1105 transitions.
[2024-11-08 19:00:49,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:00:49,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 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 140
[2024-11-08 19:00:49,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:49,879 INFO L225 Difference]: With dead ends: 923
[2024-11-08 19:00:49,880 INFO L226 Difference]: Without dead ends: 528
[2024-11-08 19:00:49,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:00:49,886 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 125 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:49,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 46 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 19:00:49,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2024-11-08 19:00:49,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2024-11-08 19:00:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1707779886148009) internal successors, (617), 527 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 617 transitions.
[2024-11-08 19:00:49,931 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 617 transitions. Word has length 140
[2024-11-08 19:00:49,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:49,931 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 617 transitions.
[2024-11-08 19:00:49,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 617 transitions.
[2024-11-08 19:00:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2024-11-08 19:00:49,942 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:49,942 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 19:00:49,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:00:49,942 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:49,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1625775826, now seen corresponding path program 1 times
[2024-11-08 19:00:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706239377]
[2024-11-08 19:00:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-08 19:00:50,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:50,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706239377]
[2024-11-08 19:00:50,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706239377] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:50,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:50,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:50,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264311315]
[2024-11-08 19:00:50,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:50,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:00:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:00:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:00:50,131 INFO L87 Difference]: Start difference. First operand 528 states and 617 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:50,628 INFO L93 Difference]: Finished difference Result 1578 states and 1846 transitions.
[2024-11-08 19:00:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:00:50,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 149
[2024-11-08 19:00:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:50,632 INFO L225 Difference]: With dead ends: 1578
[2024-11-08 19:00:50,633 INFO L226 Difference]: Without dead ends: 1052
[2024-11-08 19:00:50,634 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
[2024-11-08 19:00:50,635 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:50,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 28 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 19:00:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states.
[2024-11-08 19:00:50,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921.
[2024-11-08 19:00:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1891304347826086) internal successors, (1094), 920 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1094 transitions.
[2024-11-08 19:00:50,664 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1094 transitions. Word has length 149
[2024-11-08 19:00:50,665 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:50,665 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1094 transitions.
[2024-11-08 19:00:50,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1094 transitions.
[2024-11-08 19:00:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2024-11-08 19:00:50,669 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:50,669 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 19:00:50,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 19:00:50,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:50,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:50,670 INFO L85 PathProgramCache]: Analyzing trace with hash 90683491, now seen corresponding path program 1 times
[2024-11-08 19:00:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:50,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817361927]
[2024-11-08 19:00:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:50,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-08 19:00:50,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817361927]
[2024-11-08 19:00:50,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817361927] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:50,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:50,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:50,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087830113]
[2024-11-08 19:00:50,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:50,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:50,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:50,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:50,946 INFO L87 Difference]: Start difference. First operand 921 states and 1094 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:51,739 INFO L93 Difference]: Finished difference Result 2364 states and 2857 transitions.
[2024-11-08 19:00:51,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:00:51,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 155
[2024-11-08 19:00:51,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:51,745 INFO L225 Difference]: With dead ends: 2364
[2024-11-08 19:00:51,746 INFO L226 Difference]: Without dead ends: 1445
[2024-11-08 19:00:51,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:51,749 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 258 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:51,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 36 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 19:00:51,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states.
[2024-11-08 19:00:51,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183.
[2024-11-08 19:00:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.1776649746192893) internal successors, (1392), 1182 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1392 transitions.
[2024-11-08 19:00:51,793 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1392 transitions. Word has length 155
[2024-11-08 19:00:51,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:51,793 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1392 transitions.
[2024-11-08 19:00:51,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1392 transitions.
[2024-11-08 19:00:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-08 19:00:51,797 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:51,798 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 19:00:51,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 19:00:51,798 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1451676320, now seen corresponding path program 1 times
[2024-11-08 19:00:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84346431]
[2024-11-08 19:00:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-08 19:00:52,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:52,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84346431]
[2024-11-08 19:00:52,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84346431] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:52,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:52,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:52,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047109008]
[2024-11-08 19:00:52,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:52,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:52,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:52,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:52,128 INFO L87 Difference]: Start difference. First operand 1183 states and 1392 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:52,920 INFO L93 Difference]: Finished difference Result 3019 states and 3514 transitions.
[2024-11-08 19:00:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:00:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 169
[2024-11-08 19:00:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:52,926 INFO L225 Difference]: With dead ends: 3019
[2024-11-08 19:00:52,927 INFO L226 Difference]: Without dead ends: 1707
[2024-11-08 19:00:52,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:52,929 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 245 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:52,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 40 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 19:00:52,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states.
[2024-11-08 19:00:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576.
[2024-11-08 19:00:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1403174603174604) internal successors, (1796), 1575 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1796 transitions.
[2024-11-08 19:00:52,968 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1796 transitions. Word has length 169
[2024-11-08 19:00:52,968 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:52,968 INFO L471 AbstractCegarLoop]: Abstraction has 1576 states and 1796 transitions.
[2024-11-08 19:00:52,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1796 transitions.
[2024-11-08 19:00:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-08 19:00:52,973 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:52,973 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 19:00:52,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 19:00:52,974 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:52,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:52,974 INFO L85 PathProgramCache]: Analyzing trace with hash -331918844, now seen corresponding path program 1 times
[2024-11-08 19:00:52,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:52,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243613570]
[2024-11-08 19:00:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:52,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:00:53,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:53,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243613570]
[2024-11-08 19:00:53,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243613570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:53,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:53,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:00:53,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229167375]
[2024-11-08 19:00:53,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:53,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:53,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:53,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:53,327 INFO L87 Difference]: Start difference. First operand 1576 states and 1796 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:54,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:54,117 INFO L93 Difference]: Finished difference Result 3543 states and 4038 transitions.
[2024-11-08 19:00:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:00:54,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 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 186
[2024-11-08 19:00:54,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:54,123 INFO L225 Difference]: With dead ends: 3543
[2024-11-08 19:00:54,123 INFO L226 Difference]: Without dead ends: 1969
[2024-11-08 19:00:54,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:54,126 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 225 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:54,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 26 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 19:00:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states.
[2024-11-08 19:00:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707.
[2024-11-08 19:00:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.130715123094959) internal successors, (1929), 1706 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1929 transitions.
[2024-11-08 19:00:54,169 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1929 transitions. Word has length 186
[2024-11-08 19:00:54,169 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:54,169 INFO L471 AbstractCegarLoop]: Abstraction has 1707 states and 1929 transitions.
[2024-11-08 19:00:54,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1929 transitions.
[2024-11-08 19:00:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-08 19:00:54,174 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:54,175 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 19:00:54,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 19:00:54,175 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:54,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -168748830, now seen corresponding path program 1 times
[2024-11-08 19:00:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:54,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816972297]
[2024-11-08 19:00:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-08 19:00:54,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816972297]
[2024-11-08 19:00:54,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816972297] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:54,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:54,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388563760]
[2024-11-08 19:00:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:54,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:00:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:54,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:00:54,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:54,546 INFO L87 Difference]: Start difference. First operand 1707 states and 1929 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:55,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:55,335 INFO L93 Difference]: Finished difference Result 3674 states and 4206 transitions.
[2024-11-08 19:00:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:00:55,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211
[2024-11-08 19:00:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:55,342 INFO L225 Difference]: With dead ends: 3674
[2024-11-08 19:00:55,342 INFO L226 Difference]: Without dead ends: 1969
[2024-11-08 19:00:55,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:00:55,345 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 253 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:55,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 44 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 19:00:55,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states.
[2024-11-08 19:00:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969.
[2024-11-08 19:00:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1316056910569106) internal successors, (2227), 1968 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2227 transitions.
[2024-11-08 19:00:55,395 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2227 transitions. Word has length 211
[2024-11-08 19:00:55,396 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:55,396 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2227 transitions.
[2024-11-08 19:00:55,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2227 transitions.
[2024-11-08 19:00:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2024-11-08 19:00:55,402 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:55,402 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 19:00:55,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 19:00:55,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:55,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:55,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1806852419, now seen corresponding path program 1 times
[2024-11-08 19:00:55,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70952527]
[2024-11-08 19:00:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-08 19:00:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:55,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70952527]
[2024-11-08 19:00:55,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70952527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:55,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:00:55,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:00:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74068523]
[2024-11-08 19:00:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:55,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:00:55,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:55,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:00:55,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:00:55,667 INFO L87 Difference]: Start difference. First operand 1969 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:56,190 INFO L93 Difference]: Finished difference Result 4198 states and 4725 transitions.
[2024-11-08 19:00:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:00:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 229
[2024-11-08 19:00:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:56,200 INFO L225 Difference]: With dead ends: 4198
[2024-11-08 19:00:56,201 INFO L226 Difference]: Without dead ends: 2231
[2024-11-08 19:00:56,204 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
[2024-11-08 19:00:56,206 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 86 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:56,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 179 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 19:00:56,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states.
[2024-11-08 19:00:56,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100.
[2024-11-08 19:00:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.10814673654121) internal successors, (2326), 2099 states have internal predecessors, (2326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2326 transitions.
[2024-11-08 19:00:56,276 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2326 transitions. Word has length 229
[2024-11-08 19:00:56,276 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:56,277 INFO L471 AbstractCegarLoop]: Abstraction has 2100 states and 2326 transitions.
[2024-11-08 19:00:56,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2326 transitions.
[2024-11-08 19:00:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2024-11-08 19:00:56,284 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:56,285 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:00:56,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 19:00:56,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:56,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1037789012, now seen corresponding path program 1 times
[2024-11-08 19:00:56,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:56,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105971437]
[2024-11-08 19:00:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:00:56,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:56,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105971437]
[2024-11-08 19:00:56,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105971437] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:00:56,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132743793]
[2024-11-08 19:00:56,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:56,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:00:56,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:00:56,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:00:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:00:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:56,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 19:00:56,908 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:00:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked.
[2024-11-08 19:00:57,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:00:57,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132743793] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:57,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:00:57,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-08 19:00:57,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59237293]
[2024-11-08 19:00:57,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:57,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:00:57,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:57,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:00:57,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:00:57,199 INFO L87 Difference]: Start difference. First operand 2100 states and 2326 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:57,665 INFO L93 Difference]: Finished difference Result 4198 states and 4650 transitions.
[2024-11-08 19:00:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:00:57,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 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 251
[2024-11-08 19:00:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:57,673 INFO L225 Difference]: With dead ends: 4198
[2024-11-08 19:00:57,673 INFO L226 Difference]: Without dead ends: 2100
[2024-11-08 19:00:57,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:00:57,676 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 15 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:57,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 172 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 19:00:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2024-11-08 19:00:57,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969.
[2024-11-08 19:00:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.0741869918699187) internal successors, (2114), 1968 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2114 transitions.
[2024-11-08 19:00:57,720 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2114 transitions. Word has length 251
[2024-11-08 19:00:57,720 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:57,721 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2114 transitions.
[2024-11-08 19:00:57,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2114 transitions.
[2024-11-08 19:00:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2024-11-08 19:00:57,728 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:00:57,728 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:00:57,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 19:00:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:00:57,929 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:00:57,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:00:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash 521753490, now seen corresponding path program 1 times
[2024-11-08 19:00:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:00:57,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538647466]
[2024-11-08 19:00:57,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:57,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:00:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 175 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 19:00:58,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:00:58,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538647466]
[2024-11-08 19:00:58,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538647466] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:00:58,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562903797]
[2024-11-08 19:00:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:00:58,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:00:58,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:00:58,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:00:58,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 19:00:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:00:58,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 19:00:58,942 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:00:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-08 19:00:59,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:00:59,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562903797] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:00:59,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:00:59,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-08 19:00:59,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744170393]
[2024-11-08 19:00:59,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:00:59,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:00:59,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:00:59,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:00:59,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-08 19:00:59,177 INFO L87 Difference]: Start difference. First operand 1969 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:00:59,634 INFO L93 Difference]: Finished difference Result 4065 states and 4378 transitions.
[2024-11-08 19:00:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:00:59,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 267
[2024-11-08 19:00:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:00:59,636 INFO L225 Difference]: With dead ends: 4065
[2024-11-08 19:00:59,636 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 19:00:59,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-08 19:00:59,640 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:00:59,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 161 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 19:00:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 19:00:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 19:00:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 19:00:59,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267
[2024-11-08 19:00:59,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:00:59,642 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 19:00:59,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 19:00:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 19:00:59,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 19:00:59,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 19:00:59,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 19:00:59,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-11-08 19:00:59,853 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:00:59,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 19:01:00,147 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:01:00,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:01:00 BoogieIcfgContainer
[2024-11-08 19:01:00,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:01:00,168 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:01:00,169 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:01:00,169 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 19:01:00,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:00:44" (3/4) ...
[2024-11-08 19:01:00,173 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:01:00,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 19:01:00,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 19:01:00,193 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 19:01:00,194 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 19:01:00,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:01:00,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:01:00,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:01:00,391 INFO L158 Benchmark]: Toolchain (without parser) took 18343.35ms. Allocated memory was 151.0MB in the beginning and 346.0MB in the end (delta: 195.0MB). Free memory was 110.8MB in the beginning and 139.3MB in the end (delta: -28.5MB). Peak memory consumption was 168.3MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,391 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:01:00,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.62ms. Allocated memory is still 151.0MB. Free memory was 110.8MB in the beginning and 81.1MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.49ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 75.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,393 INFO L158 Benchmark]: Boogie Preprocessor took 111.75ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 75.2MB in the beginning and 162.3MB in the end (delta: -87.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,393 INFO L158 Benchmark]: RCFGBuilder took 1502.05ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 145.2MB in the end (delta: 17.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,394 INFO L158 Benchmark]: TraceAbstraction took 15632.90ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 144.1MB in the beginning and 151.9MB in the end (delta: -7.8MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,394 INFO L158 Benchmark]: Witness Printer took 221.96ms. Allocated memory is still 346.0MB. Free memory was 151.9MB in the beginning and 139.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 19:01:00,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 780.62ms. Allocated memory is still 151.0MB. Free memory was 110.8MB in the beginning and 81.1MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 87.49ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 75.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 111.75ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 75.2MB in the beginning and 162.3MB in the end (delta: -87.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1502.05ms. Allocated memory is still 199.2MB. Free memory was 162.2MB in the beginning and 145.2MB in the end (delta: 17.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 15632.90ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 144.1MB in the beginning and 151.9MB in the end (delta: -7.8MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB.
* Witness Printer took 221.96ms. Allocated memory is still 346.0MB. Free memory was 151.9MB in the beginning and 139.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 561]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1785 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1785 mSDsluCounter, 894 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 889 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4989 IncrementalHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 889 mSolverCounterUnsat, 803 mSDtfsCounter, 4989 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 555 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2100occurred in iteration=9, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1179 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2532 NumberOfCodeBlocks, 2532 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2519 ConstructedInterpolants, 0 QuantifiedInterpolants, 10376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 916 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1447/1597 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 593]: Loop Invariant
Derived loop invariant: (((((((((a21 <= 0) && (a16 <= 5)) || ((((((a12 == 8) && (a8 == 13)) && (a21 == 1)) && (a17 == 1)) && (a20 == 1)) && (a16 == 4))) || ((a21 <= 0) && (a17 <= 0))) || (((a7 != 1) && (a17 <= 0)) && (a21 == 1))) || (((a17 <= 0) && (a21 == 1)) && (a16 <= 5))) || ((((a7 != 1) && (6 <= a16)) && (a21 == 1)) && (a17 == 1))) || ((((a12 == 8) && (a7 != 1)) && (a21 == 1)) && (a17 == 1))) || ((((a20 != 1) && (a7 != 1)) && (a21 == 1)) && (a17 == 1)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:01:00,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99c52ed-99ec-4ef5-a10f-e79a6000a910/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE