./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 0e0057cc
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_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme --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 4d8ab50842d069074a372df0f6486f85fb04e0716bd5a388e751a6626a969998
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 10:48:46,700 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 10:48:46,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-26 10:48:46,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 10:48:46,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 10:48:46,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 10:48:46,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 10:48:46,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 10:48:46,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 10:48:46,825 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 10:48:46,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 10:48:46,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 10:48:46,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 10:48:46,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 10:48:46,828 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 10:48:46,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 10:48:46,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 10:48:46,830 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 10:48:46,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 10:48:46,831 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 10:48:46,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 10:48:46,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 10:48:46,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 10:48:46,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 10:48:46,833 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 10:48:46,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 10:48:46,834 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 10:48:46,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 10:48:46,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 10:48:46,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 10:48:46,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 10:48:46,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 10:48:46,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 10:48:46,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 10:48:46,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 10:48:46,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 10:48:46,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 10:48:46,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 10:48:46,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 10:48:46,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 10:48:46,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 10:48:46,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 10:48:46,841 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_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8ab50842d069074a372df0f6486f85fb04e0716bd5a388e751a6626a969998
[2023-11-26 10:48:47,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 10:48:47,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 10:48:47,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 10:48:47,127 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 10:48:47,128 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 10:48:47,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem01_label22.c
[2023-11-26 10:48:50,256 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 10:48:50,667 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 10:48:50,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/sv-benchmarks/c/eca-rers2012/Problem01_label22.c
[2023-11-26 10:48:50,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/data/c1364458e/cf33d7cfc5794157a2888c3cbf66d39b/FLAGa705f6bb9
[2023-11-26 10:48:50,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/data/c1364458e/cf33d7cfc5794157a2888c3cbf66d39b
[2023-11-26 10:48:50,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 10:48:50,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 10:48:50,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 10:48:50,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 10:48:50,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 10:48:50,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:50" (1/1) ...
[2023-11-26 10:48:50,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ce6f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:50, skipping insertion in model container
[2023-11-26 10:48:50,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:50" (1/1) ...
[2023-11-26 10:48:50,800 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 10:48:51,280 WARN L240 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_088573a2-9f3b-43fa-977d-d7df2342fb44/sv-benchmarks/c/eca-rers2012/Problem01_label22.c[21338,21351]
[2023-11-26 10:48:51,321 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:48:51,339 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 10:48:51,447 WARN L240 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_088573a2-9f3b-43fa-977d-d7df2342fb44/sv-benchmarks/c/eca-rers2012/Problem01_label22.c[21338,21351]
[2023-11-26 10:48:51,454 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:48:51,472 INFO L206 MainTranslator]: Completed translation
[2023-11-26 10:48:51,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51 WrapperNode
[2023-11-26 10:48:51,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 10:48:51,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 10:48:51,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 10:48:51,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 10:48:51,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,564 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658
[2023-11-26 10:48:51,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 10:48:51,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 10:48:51,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 10:48:51,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 10:48:51,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,640 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].
[2023-11-26 10:48:51,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 10:48:51,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 10:48:51,713 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 10:48:51,713 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 10:48:51,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (1/1) ...
[2023-11-26 10:48:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 10:48:51,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:48:51,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 10:48:51,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 10:48:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 10:48:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 10:48:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 10:48:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 10:48:51,891 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 10:48:51,894 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 10:48:53,080 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 10:48:53,178 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 10:48:53,180 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-26 10:48:53,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:53 BoogieIcfgContainer
[2023-11-26 10:48:53,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 10:48:53,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 10:48:53,184 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 10:48:53,188 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 10:48:53,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:50" (1/3) ...
[2023-11-26 10:48:53,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6545322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:53, skipping insertion in model container
[2023-11-26 10:48:53,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:51" (2/3) ...
[2023-11-26 10:48:53,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6545322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:53, skipping insertion in model container
[2023-11-26 10:48:53,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:53" (3/3) ...
[2023-11-26 10:48:53,194 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label22.c
[2023-11-26 10:48:53,210 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 10:48:53,211 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-26 10:48:53,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 10:48:53,273 INFO L357 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, mHoare=true, 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;@5cf29190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 10:48:53,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-26 10:48:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2023-11-26 10:48:53,291 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:48:53,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:48:53,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:48:53,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:48:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1855342471, now seen corresponding path program 1 times
[2023-11-26 10:48:53,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:48:53,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845113122]
[2023-11-26 10:48:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:48:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 10:48:53,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:48:53,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845113122]
[2023-11-26 10:48:53,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845113122] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:48:53,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:48:53,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 10:48:53,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932880192]
[2023-11-26 10:48:53,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:48:53,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 10:48:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:48:53,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 10:48:53,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 10:48:53,847 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 0 states have call successors, (0), 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 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:48:53,924 INFO L93 Difference]: Finished difference Result 271 states and 529 transitions.
[2023-11-26 10:48:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 10:48:53,926 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126
[2023-11-26 10:48:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:48:53,942 INFO L225 Difference]: With dead ends: 271
[2023-11-26 10:48:53,942 INFO L226 Difference]: Without dead ends: 134
[2023-11-26 10:48:53,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 10:48:53,951 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 10:48:53,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 10:48:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2023-11-26 10:48:54,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2023-11-26 10:48:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 133 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 200 transitions.
[2023-11-26 10:48:54,018 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 200 transitions. Word has length 126
[2023-11-26 10:48:54,020 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:48:54,020 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 200 transitions.
[2023-11-26 10:48:54,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 200 transitions.
[2023-11-26 10:48:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2023-11-26 10:48:54,029 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:48:54,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:48:54,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 10:48:54,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:48:54,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:48:54,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1993991858, now seen corresponding path program 1 times
[2023-11-26 10:48:54,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:48:54,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774352317]
[2023-11-26 10:48:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:54,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:48:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 10:48:54,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:48:54,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774352317]
[2023-11-26 10:48:54,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774352317] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:48:54,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:48:54,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-26 10:48:54,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906742711]
[2023-11-26 10:48:54,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:48:54,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 10:48:54,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:48:54,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 10:48:54,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-26 10:48:54,820 INFO L87 Difference]: Start difference. First operand 134 states and 200 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:55,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:48:55,986 INFO L93 Difference]: Finished difference Result 529 states and 795 transitions.
[2023-11-26 10:48:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 10:48:55,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 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 126
[2023-11-26 10:48:55,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:48:55,991 INFO L225 Difference]: With dead ends: 529
[2023-11-26 10:48:55,991 INFO L226 Difference]: Without dead ends: 396
[2023-11-26 10:48:55,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-11-26 10:48:55,994 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 302 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-11-26 10:48:55,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 22 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-11-26 10:48:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states.
[2023-11-26 10:48:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396.
[2023-11-26 10:48:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.3518987341772153) internal successors, (534), 395 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 534 transitions.
[2023-11-26 10:48:56,021 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 534 transitions. Word has length 126
[2023-11-26 10:48:56,022 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:48:56,022 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 534 transitions.
[2023-11-26 10:48:56,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 534 transitions.
[2023-11-26 10:48:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2023-11-26 10:48:56,025 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:48:56,026 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:48:56,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-26 10:48:56,026 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:48:56,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:48:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1451323902, now seen corresponding path program 1 times
[2023-11-26 10:48:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:48:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441113704]
[2023-11-26 10:48:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:56,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:48:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 10:48:56,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:48:56,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441113704]
[2023-11-26 10:48:56,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441113704] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 10:48:56,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670473715]
[2023-11-26 10:48:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:48:56,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 10:48:56,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 10:48:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-26 10:48:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:56,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-26 10:48:56,634 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 10:48:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-26 10:48:56,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 10:48:56,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670473715] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:48:56,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 10:48:56,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2023-11-26 10:48:56,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19866763]
[2023-11-26 10:48:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:48:56,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 10:48:56,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:48:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 10:48:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-26 10:48:56,865 INFO L87 Difference]: Start difference. First operand 396 states and 534 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:57,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:48:57,335 INFO L93 Difference]: Finished difference Result 922 states and 1325 transitions.
[2023-11-26 10:48:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 10:48:57,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 143
[2023-11-26 10:48:57,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:48:57,340 INFO L225 Difference]: With dead ends: 922
[2023-11-26 10:48:57,340 INFO L226 Difference]: Without dead ends: 658
[2023-11-26 10:48:57,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-26 10:48:57,343 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-26 10:48:57,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 29 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-26 10:48:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states.
[2023-11-26 10:48:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 527.
[2023-11-26 10:48:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.355513307984791) internal successors, (713), 526 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 713 transitions.
[2023-11-26 10:48:57,383 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 713 transitions. Word has length 143
[2023-11-26 10:48:57,383 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:48:57,384 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 713 transitions.
[2023-11-26 10:48:57,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 713 transitions.
[2023-11-26 10:48:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2023-11-26 10:48:57,386 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:48:57,387 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:48:57,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-26 10:48:57,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 10:48:57,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:48:57,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:48:57,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1236814175, now seen corresponding path program 1 times
[2023-11-26 10:48:57,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:48:57,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970823260]
[2023-11-26 10:48:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:57,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:48:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-26 10:48:57,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:48:57,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970823260]
[2023-11-26 10:48:57,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970823260] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:48:57,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:48:57,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 10:48:57,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645945281]
[2023-11-26 10:48:57,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:48:57,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 10:48:57,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:48:57,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 10:48:57,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 10:48:57,964 INFO L87 Difference]: Start difference. First operand 527 states and 713 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:48:58,483 INFO L93 Difference]: Finished difference Result 1184 states and 1664 transitions.
[2023-11-26 10:48:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 10:48:58,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 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 160
[2023-11-26 10:48:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:48:58,488 INFO L225 Difference]: With dead ends: 1184
[2023-11-26 10:48:58,488 INFO L226 Difference]: Without dead ends: 789
[2023-11-26 10:48:58,491 INFO L412 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
[2023-11-26 10:48:58,494 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 115 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-26 10:48:58,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 53 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-26 10:48:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states.
[2023-11-26 10:48:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789.
[2023-11-26 10:48:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.2982233502538072) internal successors, (1023), 788 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1023 transitions.
[2023-11-26 10:48:58,522 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1023 transitions. Word has length 160
[2023-11-26 10:48:58,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:48:58,523 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1023 transitions.
[2023-11-26 10:48:58,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1023 transitions.
[2023-11-26 10:48:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-11-26 10:48:58,527 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 10:48:58,527 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 10:48:58,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-26 10:48:58,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 10:48:58,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 10:48:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash -787611647, now seen corresponding path program 1 times
[2023-11-26 10:48:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 10:48:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856656413]
[2023-11-26 10:48:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 10:48:58,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 10:48:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 10:48:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-26 10:48:58,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 10:48:58,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856656413]
[2023-11-26 10:48:58,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856656413] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 10:48:58,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 10:48:58,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 10:48:58,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380098386]
[2023-11-26 10:48:58,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 10:48:58,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 10:48:58,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 10:48:58,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 10:48:58,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 10:48:58,737 INFO L87 Difference]: Start difference. First operand 789 states and 1023 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 10:48:59,261 INFO L93 Difference]: Finished difference Result 1968 states and 2593 transitions.
[2023-11-26 10:48:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 10:48:59,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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
[2023-11-26 10:48:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 10:48:59,262 INFO L225 Difference]: With dead ends: 1968
[2023-11-26 10:48:59,262 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 10:48:59,264 INFO L412 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
[2023-11-26 10:48:59,265 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-26 10:48:59,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 56 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-26 10:48:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 10:48:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 10:48:59,266 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)
[2023-11-26 10:48:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 10:48:59,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169
[2023-11-26 10:48:59,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 10:48:59,266 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 10:48:59,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 10:48:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 10:48:59,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 10:48:59,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-26 10:48:59,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-26 10:48:59,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 10:48:59,299 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,299 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed.
[2023-11-26 10:48:59,299 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,299 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,299 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,300 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,300 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,300 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed.
[2023-11-26 10:48:59,300 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,300 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,301 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,302 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,302 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,302 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,302 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,302 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,303 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,303 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,311 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,312 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,313 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,313 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,314 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,314 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,314 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,314 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,315 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,317 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,317 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,317 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,317 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,318 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,319 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,319 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,319 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,319 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,319 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,320 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,321 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,321 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,321 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,322 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,322 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,322 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,322 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,322 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,323 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,324 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,325 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,326 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed.
[2023-11-26 10:48:59,327 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,328 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,329 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 10:48:59,330 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,331 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,331 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,331 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,331 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,331 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,332 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,333 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (< ~a16~0 6) (< ~a7~0 1) (not (= 14 ~a8~0)))
[2023-11-26 10:48:59,334 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,334 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,334 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,334 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,334 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,335 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,336 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,337 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed.
[2023-11-26 10:48:59,340 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-26 10:48:59,342 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 10:48:59,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:59 BoogieIcfgContainer
[2023-11-26 10:48:59,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 10:48:59,355 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 10:48:59,355 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 10:48:59,356 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 10:48:59,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:53" (3/4) ...
[2023-11-26 10:48:59,358 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 10:48:59,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-11-26 10:48:59,376 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-26 10:48:59,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-26 10:48:59,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 10:48:59,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 10:48:59,537 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 10:48:59,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 10:48:59,538 INFO L158 Benchmark]: Toolchain (without parser) took 8818.24ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 110.8MB in the beginning and 100.5MB in the end (delta: 10.3MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,539 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 10:48:59,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.22ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 82.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.56ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 76.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,540 INFO L158 Benchmark]: Boogie Preprocessor took 143.66ms. Allocated memory is still 151.0MB. Free memory was 76.3MB in the beginning and 71.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,540 INFO L158 Benchmark]: RCFGBuilder took 1468.49ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 71.0MB in the beginning and 154.9MB in the end (delta: -83.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,541 INFO L158 Benchmark]: TraceAbstraction took 6170.61ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 153.9MB in the beginning and 113.1MB in the end (delta: 40.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,541 INFO L158 Benchmark]: Witness Printer took 182.32ms. Allocated memory is still 230.7MB. Free memory was 113.1MB in the beginning and 100.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-26 10:48:59,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 750.22ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 82.1MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 93.56ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 76.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 143.66ms. Allocated memory is still 151.0MB. Free memory was 76.3MB in the beginning and 71.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1468.49ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 71.0MB in the beginning and 154.9MB in the end (delta: -83.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 6170.61ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 153.9MB in the beginning and 113.1MB in the end (delta: 40.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB.
* Witness Printer took 182.32ms. Allocated memory is still 230.7MB. Free memory was 113.1MB in the beginning and 100.5MB 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: 567]: 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, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 573 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 573 mSDsluCounter, 360 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1725 IncrementalHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 336 mSolverCounterUnsat, 331 mSDtfsCounter, 1725 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 11 NumberOfFragments, 11 HoareAnnotationTreeSize, 1 FomulaSimplifications, 127 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 867 NumberOfCodeBlocks, 867 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 861 ConstructedInterpolants, 0 QuantifiedInterpolants, 3601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 128/131 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: (((a16 < 6) || (a7 < 1)) || !((14 == a8)))
RESULT: Ultimate proved your program to be correct!
[2023-11-26 10:48:59,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_088573a2-9f3b-43fa-977d-d7df2342fb44/bin/uautomizer-verify-VRDe98Ueme/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