./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/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 17c92e2f7b920672487a7c33b9216e5136ad737688964579812bc0c782959b18
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:37,083 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:37,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-26 11:51:37,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:37,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:37,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:37,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:37,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:37,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:37,188 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:51:37,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:51:37,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:51:37,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:37,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:51:37,192 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:51:37,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:37,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:51:37,193 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:51:37,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:51:37,194 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:51:37,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:51:37,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:51:37,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:51:37,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:51:37,197 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:51:37,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:51:37,198 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:51:37,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:37,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:37,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:51:37,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:51:37,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:37,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:37,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:51:37,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:51:37,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:51:37,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:51:37,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:51:37,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:51:37,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:51:37,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:51:37,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:51:37,203 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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17c92e2f7b920672487a7c33b9216e5136ad737688964579812bc0c782959b18
[2023-11-26 11:51:37,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:37,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:37,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:37,567 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:37,568 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:51:37,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c
[2023-11-26 11:51:40,713 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:41,071 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:51:41,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/sv-benchmarks/c/eca-rers2012/Problem11_label03.c
[2023-11-26 11:51:41,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/data/60f838ece/5f4ccc9fc9024c63a0e474235da6ecfc/FLAGbbf894ef9
[2023-11-26 11:51:41,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/data/60f838ece/5f4ccc9fc9024c63a0e474235da6ecfc
[2023-11-26 11:51:41,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:41,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:41,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:41,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:41,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:41,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:41" (1/1) ...
[2023-11-26 11:51:41,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f898365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41, skipping insertion in model container
[2023-11-26 11:51:41,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:41" (1/1) ...
[2023-11-26 11:51:41,216 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:41,449 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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/sv-benchmarks/c/eca-rers2012/Problem11_label03.c[4398,4411]
[2023-11-26 11:51:41,853 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:41,867 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:51:41,902 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_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/sv-benchmarks/c/eca-rers2012/Problem11_label03.c[4398,4411]
[2023-11-26 11:51:42,051 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:42,068 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:51:42,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42 WrapperNode
[2023-11-26 11:51:42,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:42,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:42,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:51:42,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:51:42,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,225 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000
[2023-11-26 11:51:42,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:42,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:51:42,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:51:42,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:51:42,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,328 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 11:51:42,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:51:42,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:51:42,448 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:51:42,448 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:51:42,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (1/1) ...
[2023-11-26 11:51:42,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:42,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:42,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:42,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:51:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:51:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:51:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:51:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:51:42,662 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:51:42,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:51:44,525 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:51:44,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:51:44,604 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-26 11:51:44,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:44 BoogieIcfgContainer
[2023-11-26 11:51:44,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:51:44,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:51:44,610 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:51:44,613 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:51:44,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:41" (1/3) ...
[2023-11-26 11:51:44,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f85109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:44, skipping insertion in model container
[2023-11-26 11:51:44,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:42" (2/3) ...
[2023-11-26 11:51:44,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f85109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:44, skipping insertion in model container
[2023-11-26 11:51:44,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:44" (3/3) ...
[2023-11-26 11:51:44,619 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c
[2023-11-26 11:51:44,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:51:44,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-26 11:51:44,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:51:44,715 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;@7c68f131, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:51:44,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-26 11:51:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 11:51:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2023-11-26 11:51:44,729 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:44,730 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]
[2023-11-26 11:51:44,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:44,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:44,737 INFO L85 PathProgramCache]: Analyzing trace with hash 584384718, now seen corresponding path program 1 times
[2023-11-26 11:51:44,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:44,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207966883]
[2023-11-26 11:51:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:44,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:44,915 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 11:51:44,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:44,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207966883]
[2023-11-26 11:51:44,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207966883] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:44,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:44,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:44,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233255008]
[2023-11-26 11:51:44,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:44,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 11:51:44,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 11:51:44,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:44,969 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 11:51:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:45,049 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions.
[2023-11-26 11:51:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 11:51:45,052 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 29
[2023-11-26 11:51:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:45,071 INFO L225 Difference]: With dead ends: 441
[2023-11-26 11:51:45,071 INFO L226 Difference]: Without dead ends: 219
[2023-11-26 11:51:45,076 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 11:51:45,083 INFO L413 NwaCegarLoop]: 355 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, 355 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 11:51:45,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:51:45,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2023-11-26 11:51:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219.
[2023-11-26 11:51:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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 11:51:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions.
[2023-11-26 11:51:45,167 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 29
[2023-11-26 11:51:45,167 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:45,168 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions.
[2023-11-26 11:51:45,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 11:51:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions.
[2023-11-26 11:51:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2023-11-26 11:51:45,170 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:45,170 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]
[2023-11-26 11:51:45,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 11:51:45,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:45,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1881592340, now seen corresponding path program 1 times
[2023-11-26 11:51:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:45,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805803688]
[2023-11-26 11:51:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:45,447 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 11:51:45,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805803688]
[2023-11-26 11:51:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805803688] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:45,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:45,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:45,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170672943]
[2023-11-26 11:51:45,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:45,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:45,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:45,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:45,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:45,451 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 11:51:46,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:46,774 INFO L93 Difference]: Finished difference Result 630 states and 1026 transitions.
[2023-11-26 11:51:46,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:46,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29
[2023-11-26 11:51:46,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:46,778 INFO L225 Difference]: With dead ends: 630
[2023-11-26 11:51:46,778 INFO L226 Difference]: Without dead ends: 412
[2023-11-26 11:51:46,780 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 11:51:46,782 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 194 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:46,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 155 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2023-11-26 11:51:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states.
[2023-11-26 11:51:46,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412.
[2023-11-26 11:51:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.4549878345498783) internal successors, (598), 411 states have internal predecessors, (598), 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 11:51:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 598 transitions.
[2023-11-26 11:51:46,805 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 598 transitions. Word has length 29
[2023-11-26 11:51:46,806 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:46,806 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 598 transitions.
[2023-11-26 11:51:46,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 11:51:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 598 transitions.
[2023-11-26 11:51:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-11-26 11:51:46,811 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:46,811 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:46,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-26 11:51:46,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:46,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1448715196, now seen corresponding path program 1 times
[2023-11-26 11:51:46,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:46,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046338480]
[2023-11-26 11:51:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:46,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:47,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:47,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046338480]
[2023-11-26 11:51:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046338480] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:47,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:47,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:47,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340706391]
[2023-11-26 11:51:47,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:47,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:47,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:47,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:47,136 INFO L87 Difference]: Start difference. First operand 412 states and 598 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 11:51:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:48,277 INFO L93 Difference]: Finished difference Result 1210 states and 1762 transitions.
[2023-11-26 11:51:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:48,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 97
[2023-11-26 11:51:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:48,284 INFO L225 Difference]: With dead ends: 1210
[2023-11-26 11:51:48,284 INFO L226 Difference]: Without dead ends: 799
[2023-11-26 11:51:48,285 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 11:51:48,291 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:48,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 118 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-11-26 11:51:48,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states.
[2023-11-26 11:51:48,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 788.
[2023-11-26 11:51:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 787 states have (on average 1.3748411689961881) internal successors, (1082), 787 states have internal predecessors, (1082), 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 11:51:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1082 transitions.
[2023-11-26 11:51:48,357 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1082 transitions. Word has length 97
[2023-11-26 11:51:48,357 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:48,358 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1082 transitions.
[2023-11-26 11:51:48,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 11:51:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1082 transitions.
[2023-11-26 11:51:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2023-11-26 11:51:48,365 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:48,365 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:48,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-26 11:51:48,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:48,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash -363903457, now seen corresponding path program 1 times
[2023-11-26 11:51:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816004954]
[2023-11-26 11:51:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:48,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:48,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816004954]
[2023-11-26 11:51:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816004954] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:48,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:48,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344096097]
[2023-11-26 11:51:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:48,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:48,736 INFO L87 Difference]: Start difference. First operand 788 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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 11:51:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:49,773 INFO L93 Difference]: Finished difference Result 1944 states and 2611 transitions.
[2023-11-26 11:51:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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 99
[2023-11-26 11:51:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:49,782 INFO L225 Difference]: With dead ends: 1944
[2023-11-26 11:51:49,782 INFO L226 Difference]: Without dead ends: 1157
[2023-11-26 11:51:49,783 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 11:51:49,785 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:49,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:51:49,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states.
[2023-11-26 11:51:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156.
[2023-11-26 11:51:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.270995670995671) internal successors, (1468), 1155 states have internal predecessors, (1468), 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 11:51:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1468 transitions.
[2023-11-26 11:51:49,820 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1468 transitions. Word has length 99
[2023-11-26 11:51:49,820 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:49,821 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1468 transitions.
[2023-11-26 11:51:49,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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 11:51:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1468 transitions.
[2023-11-26 11:51:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2023-11-26 11:51:49,825 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:49,826 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:49,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-26 11:51:49,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:49,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:49,827 INFO L85 PathProgramCache]: Analyzing trace with hash -563850723, now seen corresponding path program 1 times
[2023-11-26 11:51:49,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:49,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471537552]
[2023-11-26 11:51:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:50,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:50,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471537552]
[2023-11-26 11:51:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471537552] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:50,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:51:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454520751]
[2023-11-26 11:51:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:50,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:50,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:50,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:50,143 INFO L87 Difference]: Start difference. First operand 1156 states and 1468 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 11:51:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:51,193 INFO L93 Difference]: Finished difference Result 2690 states and 3497 transitions.
[2023-11-26 11:51:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:51,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 156
[2023-11-26 11:51:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:51,204 INFO L225 Difference]: With dead ends: 2690
[2023-11-26 11:51:51,204 INFO L226 Difference]: Without dead ends: 1719
[2023-11-26 11:51:51,206 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 11:51:51,207 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 175 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:51,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 334 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:51:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states.
[2023-11-26 11:51:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1527.
[2023-11-26 11:51:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1526 states have (on average 1.2562254259501966) internal successors, (1917), 1526 states have internal predecessors, (1917), 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 11:51:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1917 transitions.
[2023-11-26 11:51:51,251 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1917 transitions. Word has length 156
[2023-11-26 11:51:51,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:51,252 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 1917 transitions.
[2023-11-26 11:51:51,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 11:51:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1917 transitions.
[2023-11-26 11:51:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2023-11-26 11:51:51,257 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:51,257 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:51:51,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-26 11:51:51,258 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:51,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -11705285, now seen corresponding path program 1 times
[2023-11-26 11:51:51,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:51,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477777136]
[2023-11-26 11:51:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:51,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2023-11-26 11:51:51,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:51,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477777136]
[2023-11-26 11:51:51,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477777136] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:51,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:51,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:51:51,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246560002]
[2023-11-26 11:51:51,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:51,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:51,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:51,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:51,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:51,671 INFO L87 Difference]: Start difference. First operand 1527 states and 1917 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 11:51:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:52,792 INFO L93 Difference]: Finished difference Result 3611 states and 4578 transitions.
[2023-11-26 11:51:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:52,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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
[2023-11-26 11:51:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:52,808 INFO L225 Difference]: With dead ends: 3611
[2023-11-26 11:51:52,809 INFO L226 Difference]: Without dead ends: 2085
[2023-11-26 11:51:52,811 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 11:51:52,817 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 167 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:52,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 384 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-11-26 11:51:52,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states.
[2023-11-26 11:51:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1895.
[2023-11-26 11:51:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1894 states have (on average 1.2476240760295672) internal successors, (2363), 1894 states have internal predecessors, (2363), 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 11:51:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2363 transitions.
[2023-11-26 11:51:52,893 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2363 transitions. Word has length 211
[2023-11-26 11:51:52,897 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:52,897 INFO L495 AbstractCegarLoop]: Abstraction has 1895 states and 2363 transitions.
[2023-11-26 11:51:52,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 11:51:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2363 transitions.
[2023-11-26 11:51:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2023-11-26 11:51:52,907 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:52,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:51:52,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-26 11:51:52,908 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:52,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:52,909 INFO L85 PathProgramCache]: Analyzing trace with hash 932451299, now seen corresponding path program 1 times
[2023-11-26 11:51:52,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:52,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891050869]
[2023-11-26 11:51:52,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:52,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-26 11:51:53,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:53,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891050869]
[2023-11-26 11:51:53,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891050869] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:53,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:53,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:53,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985915733]
[2023-11-26 11:51:53,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:53,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:53,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:53,176 INFO L87 Difference]: Start difference. First operand 1895 states and 2363 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 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 11:51:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:54,181 INFO L93 Difference]: Finished difference Result 4524 states and 5767 transitions.
[2023-11-26 11:51:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:54,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232
[2023-11-26 11:51:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:54,197 INFO L225 Difference]: With dead ends: 4524
[2023-11-26 11:51:54,197 INFO L226 Difference]: Without dead ends: 2630
[2023-11-26 11:51:54,204 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 11:51:54,205 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:54,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 151 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-11-26 11:51:54,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states.
[2023-11-26 11:51:54,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2629.
[2023-11-26 11:51:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2628 states have (on average 1.226027397260274) internal successors, (3222), 2628 states have internal predecessors, (3222), 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 11:51:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3222 transitions.
[2023-11-26 11:51:54,275 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3222 transitions. Word has length 232
[2023-11-26 11:51:54,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:54,275 INFO L495 AbstractCegarLoop]: Abstraction has 2629 states and 3222 transitions.
[2023-11-26 11:51:54,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 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 11:51:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3222 transitions.
[2023-11-26 11:51:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239
[2023-11-26 11:51:54,280 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:54,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:51:54,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-26 11:51:54,281 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:54,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1448705920, now seen corresponding path program 1 times
[2023-11-26 11:51:54,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:54,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616289030]
[2023-11-26 11:51:54,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:54,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:54,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:54,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616289030]
[2023-11-26 11:51:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616289030] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:54,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:54,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:51:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353429876]
[2023-11-26 11:51:54,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:54,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:54,693 INFO L87 Difference]: Start difference. First operand 2629 states and 3222 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 11:51:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:55,804 INFO L93 Difference]: Finished difference Result 7296 states and 8928 transitions.
[2023-11-26 11:51:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 238
[2023-11-26 11:51:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:55,829 INFO L225 Difference]: With dead ends: 7296
[2023-11-26 11:51:55,829 INFO L226 Difference]: Without dead ends: 4668
[2023-11-26 11:51:55,833 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 11:51:55,835 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 121 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:55,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 139 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:51:55,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states.
[2023-11-26 11:51:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4666.
[2023-11-26 11:51:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4666 states, 4665 states have (on average 1.1942122186495177) internal successors, (5571), 4665 states have internal predecessors, (5571), 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 11:51:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4666 states and 5571 transitions.
[2023-11-26 11:51:55,951 INFO L78 Accepts]: Start accepts. Automaton has 4666 states and 5571 transitions. Word has length 238
[2023-11-26 11:51:55,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:55,952 INFO L495 AbstractCegarLoop]: Abstraction has 4666 states and 5571 transitions.
[2023-11-26 11:51:55,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 11:51:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4666 states and 5571 transitions.
[2023-11-26 11:51:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-11-26 11:51:55,958 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:55,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:51:55,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-26 11:51:55,959 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:55,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:55,960 INFO L85 PathProgramCache]: Analyzing trace with hash -983976935, now seen corresponding path program 1 times
[2023-11-26 11:51:55,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:55,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231895504]
[2023-11-26 11:51:55,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:55,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2023-11-26 11:51:56,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:56,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231895504]
[2023-11-26 11:51:56,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231895504] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:56,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:56,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:51:56,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364230943]
[2023-11-26 11:51:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:56,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:56,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:56,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:56,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:51:56,402 INFO L87 Difference]: Start difference. First operand 4666 states and 5571 transitions. Second operand has 3 states, 3 states have (on average 51.0) 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)
[2023-11-26 11:51:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:57,365 INFO L93 Difference]: Finished difference Result 5956 states and 7066 transitions.
[2023-11-26 11:51:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:57,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) 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 248
[2023-11-26 11:51:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:57,400 INFO L225 Difference]: With dead ends: 5956
[2023-11-26 11:51:57,401 INFO L226 Difference]: Without dead ends: 5954
[2023-11-26 11:51:57,403 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 11:51:57,405 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 194 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:57,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 152 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-11-26 11:51:57,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5954 states.
[2023-11-26 11:51:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5954 to 5770.
[2023-11-26 11:51:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5770 states, 5769 states have (on average 1.188247529901196) internal successors, (6855), 5769 states have internal predecessors, (6855), 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 11:51:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5770 states and 6855 transitions.
[2023-11-26 11:51:57,550 INFO L78 Accepts]: Start accepts. Automaton has 5770 states and 6855 transitions. Word has length 248
[2023-11-26 11:51:57,551 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:57,551 INFO L495 AbstractCegarLoop]: Abstraction has 5770 states and 6855 transitions.
[2023-11-26 11:51:57,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) 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)
[2023-11-26 11:51:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5770 states and 6855 transitions.
[2023-11-26 11:51:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-11-26 11:51:57,557 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:57,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:51:57,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-26 11:51:57,559 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:57,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1648254787, now seen corresponding path program 1 times
[2023-11-26 11:51:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482542012]
[2023-11-26 11:51:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 56 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:58,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:58,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482542012]
[2023-11-26 11:51:58,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482542012] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:51:58,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452374929]
[2023-11-26 11:51:58,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:58,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:51:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:58,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:51:58,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-26 11:51:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:58,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-26 11:51:58,580 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2023-11-26 11:51:58,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:51:58,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452374929] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:58,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:51:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8
[2023-11-26 11:51:58,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92514319]
[2023-11-26 11:51:58,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:58,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:51:58,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:58,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:51:58,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-11-26 11:51:58,700 INFO L87 Difference]: Start difference. First operand 5770 states and 6855 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 11:51:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:59,842 INFO L93 Difference]: Finished difference Result 14484 states and 17353 transitions.
[2023-11-26 11:51:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:51:59,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 248
[2023-11-26 11:51:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:59,889 INFO L225 Difference]: With dead ends: 14484
[2023-11-26 11:51:59,889 INFO L226 Difference]: Without dead ends: 8715
[2023-11-26 11:51:59,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-11-26 11:51:59,898 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:59,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 299 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:51:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8715 states.
[2023-11-26 11:52:00,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8715 to 7425.
[2023-11-26 11:52:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7425 states, 7424 states have (on average 1.1790140086206897) internal successors, (8753), 7424 states have internal predecessors, (8753), 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 11:52:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7425 states to 7425 states and 8753 transitions.
[2023-11-26 11:52:00,148 INFO L78 Accepts]: Start accepts. Automaton has 7425 states and 8753 transitions. Word has length 248
[2023-11-26 11:52:00,149 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:52:00,149 INFO L495 AbstractCegarLoop]: Abstraction has 7425 states and 8753 transitions.
[2023-11-26 11:52:00,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 11:52:00,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7425 states and 8753 transitions.
[2023-11-26 11:52:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260
[2023-11-26 11:52:00,175 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:52:00,175 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2023-11-26 11:52:00,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-26 11:52:00,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-26 11:52:00,382 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:52:00,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:52:00,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1165731164, now seen corresponding path program 1 times
[2023-11-26 11:52:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:52:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639178875]
[2023-11-26 11:52:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:52:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:52:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:52:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.
[2023-11-26 11:52:00,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:52:00,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639178875]
[2023-11-26 11:52:00,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639178875] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:52:00,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:52:00,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:52:00,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001893816]
[2023-11-26 11:52:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:52:00,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:52:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:52:00,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:52:00,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:52:00,634 INFO L87 Difference]: Start difference. First operand 7425 states and 8753 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 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 11:52:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:52:01,669 INFO L93 Difference]: Finished difference Result 14845 states and 17502 transitions.
[2023-11-26 11:52:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:52:01,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 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 259
[2023-11-26 11:52:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:52:01,671 INFO L225 Difference]: With dead ends: 14845
[2023-11-26 11:52:01,671 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 11:52:01,684 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 11:52:01,684 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 205 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:52:01,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 299 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-26 11:52:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 11:52:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 11:52:01,686 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 11:52:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 11:52:01,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259
[2023-11-26 11:52:01,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:52:01,686 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:52:01,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 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 11:52:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 11:52:01,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 11:52:01,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-26 11:52:01,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-26 11:52:01,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 11:52:01,824 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed.
[2023-11-26 11:52:01,824 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,824 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,825 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,826 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,827 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,828 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed.
[2023-11-26 11:52:01,829 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,830 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,831 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,832 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,833 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,833 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,833 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,833 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,833 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,834 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (or (= ~a25~0 12) (< 96 ~a23~0) (< ~a25~0 11) (< 140 ~a29~0) (= ~a25~0 11) (not (= ~a4~0 1)))
[2023-11-26 11:52:01,834 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,834 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,834 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,834 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed.
[2023-11-26 11:52:01,835 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,836 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,837 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,838 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed.
[2023-11-26 11:52:01,839 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed.
[2023-11-26 11:52:01,840 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,841 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed.
[2023-11-26 11:52:01,842 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed.
[2023-11-26 11:52:01,843 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,844 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,845 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,846 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,847 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,848 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,849 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,850 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed.
[2023-11-26 11:52:01,851 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,852 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,853 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed.
[2023-11-26 11:52:01,854 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,855 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,856 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,857 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed.
[2023-11-26 11:52:01,858 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,859 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,859 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed.
[2023-11-26 11:52:01,862 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:52:01,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:52:01,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:01 BoogieIcfgContainer
[2023-11-26 11:52:01,876 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:52:01,877 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:52:01,877 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:52:01,877 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:52:01,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:44" (3/4) ...
[2023-11-26 11:52:01,879 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 11:52:01,900 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-11-26 11:52:01,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-26 11:52:01,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-26 11:52:01,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:52:02,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 11:52:02,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 11:52:02,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:52:02,137 INFO L158 Benchmark]: Toolchain (without parser) took 21014.48ms. Allocated memory was 132.1MB in the beginning and 398.5MB in the end (delta: 266.3MB). Free memory was 84.1MB in the beginning and 334.9MB in the end (delta: -250.8MB). Peak memory consumption was 197.6MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,138 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:52:02,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.16ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 127.5MB in the end (delta: -43.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.82ms. Allocated memory is still 178.3MB. Free memory was 127.5MB in the beginning and 109.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,139 INFO L158 Benchmark]: Boogie Preprocessor took 220.29ms. Allocated memory is still 178.3MB. Free memory was 109.9MB in the beginning and 84.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,139 INFO L158 Benchmark]: RCFGBuilder took 2157.91ms. Allocated memory is still 178.3MB. Free memory was 84.7MB in the beginning and 108.6MB in the end (delta: -23.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,140 INFO L158 Benchmark]: TraceAbstraction took 17266.86ms. Allocated memory was 178.3MB in the beginning and 331.4MB in the end (delta: 153.1MB). Free memory was 108.6MB in the beginning and 93.7MB in the end (delta: 14.9MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,140 INFO L158 Benchmark]: Witness Printer took 259.64ms. Allocated memory was 331.4MB in the beginning and 398.5MB in the end (delta: 67.1MB). Free memory was 93.7MB in the beginning and 334.9MB in the end (delta: -241.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
[2023-11-26 11:52:02,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 944.16ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 127.5MB in the end (delta: -43.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 155.82ms. Allocated memory is still 178.3MB. Free memory was 127.5MB in the beginning and 109.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 220.29ms. Allocated memory is still 178.3MB. Free memory was 109.9MB in the beginning and 84.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 2157.91ms. Allocated memory is still 178.3MB. Free memory was 84.7MB in the beginning and 108.6MB in the end (delta: -23.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 17266.86ms. Allocated memory was 178.3MB in the beginning and 331.4MB in the end (delta: 153.1MB). Free memory was 108.6MB in the beginning and 93.7MB in the end (delta: 14.9MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB.
* Witness Printer took 259.64ms. Allocated memory was 331.4MB in the beginning and 398.5MB in the end (delta: 67.1MB). Free memory was 93.7MB in the beginning and 334.9MB in the end (delta: -241.2MB). Peak memory consumption was 7.3MB. 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: 106]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1624 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1624 mSDsluCounter, 2574 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 1023 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5330 IncrementalHoareTripleChecker+Invalid, 6353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1023 mSolverCounterUnsat, 2360 mSDtfsCounter, 5330 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7425occurred in iteration=10, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1871 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 41 NumberOfFragments, 20 HoareAnnotationTreeSize, 1 FomulaSimplifications, 584 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2094 NumberOfCodeBlocks, 2094 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2082 ConstructedInterpolants, 0 QuantifiedInterpolants, 6519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 357 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 980/1054 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: 1044]: Loop Invariant
Derived loop invariant: ((((((a25 == 12) || (96 < a23)) || (a25 < 11)) || (140 < a29)) || (a25 == 11)) || !((a4 == 1)))
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:52:02,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0085d3-363d-4fc7-80d8-3cb77c7ad923/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE