./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:11:35,034 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:11:35,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 07:11:35,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:11:35,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:11:35,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:11:35,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:11:35,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:11:35,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:11:35,119 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:11:35,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:11:35,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:11:35,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:11:35,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:11:35,119 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:11:35,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:11:35,120 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:11:35,121 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:11:35,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:11:35,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:11:35,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:11:35,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa
[2024-12-02 07:11:35,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:11:35,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:11:35,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:11:35,366 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:11:35,366 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:11:35,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c
[2024-12-02 07:11:38,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/data/0ab398954/9c1ef12dc9384c8abd64d657f11e44fa/FLAG9316a4944
[2024-12-02 07:11:38,349 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:11:38,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/sv-benchmarks/c/eca-rers2012/Problem02_label02.c
[2024-12-02 07:11:38,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/data/0ab398954/9c1ef12dc9384c8abd64d657f11e44fa/FLAG9316a4944
[2024-12-02 07:11:38,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/data/0ab398954/9c1ef12dc9384c8abd64d657f11e44fa
[2024-12-02 07:11:38,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:11:38,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:11:38,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:11:38,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:11:38,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:11:38,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:11:38" (1/1) ...
[2024-12-02 07:11:38,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2e2d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:38, skipping insertion in model container
[2024-12-02 07:11:38,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:11:38" (1/1) ...
[2024-12-02 07:11:38,704 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:11:38,943 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002]
[2024-12-02 07:11:38,973 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:11:38,981 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:11:39,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002]
[2024-12-02 07:11:39,047 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:11:39,058 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:11:39,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39 WrapperNode
[2024-12-02 07:11:39,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:11:39,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:11:39,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:11:39,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:11:39,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,115 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668
[2024-12-02 07:11:39,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:11:39,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:11:39,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:11:39,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:11:39,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,145 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 07:11:39,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:11:39,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:11:39,188 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:11:39,189 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:11:39,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (1/1) ...
[2024-12-02 07:11:39,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:11:39,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:11:39,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:11:39,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:11:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:11:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:11:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:11:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:11:39,302 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:11:39,303 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:11:40,157 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live.
[2024-12-02 07:11:40,157 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:11:40,171 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:11:40,171 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 07:11:40,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:11:40 BoogieIcfgContainer
[2024-12-02 07:11:40,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:11:40,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:11:40,174 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:11:40,177 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:11:40,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:11:38" (1/3) ...
[2024-12-02 07:11:40,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4923cb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:11:40, skipping insertion in model container
[2024-12-02 07:11:40,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:11:39" (2/3) ...
[2024-12-02 07:11:40,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4923cb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:11:40, skipping insertion in model container
[2024-12-02 07:11:40,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:11:40" (3/3) ...
[2024-12-02 07:11:40,179 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c
[2024-12-02 07:11:40,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:11:40,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem02_label02.c that has 1 procedures, 227 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 07:11:40,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:11:40,261 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7548e2b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:11:40,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:11:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-12-02 07:11:40,274 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:40,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:40,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:40,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times
[2024-12-02 07:11:40,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:40,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829601617]
[2024-12-02 07:11:40,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:40,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:11:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829601617]
[2024-12-02 07:11:40,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829601617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:40,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:40,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:11:40,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129607744]
[2024-12-02 07:11:40,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:40,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:40,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:40,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:40,781 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:41,550 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions.
[2024-12-02 07:11:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:41,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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 93
[2024-12-02 07:11:41,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:41,563 INFO L225 Difference]: With dead ends: 630
[2024-12-02 07:11:41,563 INFO L226 Difference]: Without dead ends: 318
[2024-12-02 07:11:41,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:41,569 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:41,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:11:41,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2024-12-02 07:11:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318.
[2024-12-02 07:11:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions.
[2024-12-02 07:11:41,616 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 93
[2024-12-02 07:11:41,616 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:41,617 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions.
[2024-12-02 07:11:41,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions.
[2024-12-02 07:11:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-12-02 07:11:41,619 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:41,619 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:11:41,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:11:41,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:41,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash -317427888, now seen corresponding path program 1 times
[2024-12-02 07:11:41,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:41,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176327435]
[2024-12-02 07:11:41,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:41,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:11:42,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:42,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176327435]
[2024-12-02 07:11:42,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176327435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:42,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:42,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:42,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143334438]
[2024-12-02 07:11:42,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:42,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:11:42,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:42,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:11:42,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:11:42,081 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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)
[2024-12-02 07:11:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:42,804 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions.
[2024-12-02 07:11:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:11:42,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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
[2024-12-02 07:11:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:42,808 INFO L225 Difference]: With dead ends: 999
[2024-12-02 07:11:42,809 INFO L226 Difference]: Without dead ends: 600
[2024-12-02 07:11:42,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:11:42,811 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 170 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:42,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 114 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:11:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states.
[2024-12-02 07:11:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600.
[2024-12-02 07:11:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.357262103505843) internal successors, (813), 599 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 813 transitions.
[2024-12-02 07:11:42,842 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 813 transitions. Word has length 97
[2024-12-02 07:11:42,842 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:42,842 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 813 transitions.
[2024-12-02 07:11:42,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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)
[2024-12-02 07:11:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 813 transitions.
[2024-12-02 07:11:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-12-02 07:11:42,845 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:42,846 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:11:42,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:11:42,846 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:42,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1573604474, now seen corresponding path program 1 times
[2024-12-02 07:11:42,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:42,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107979946]
[2024-12-02 07:11:42,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:42,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:11:42,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107979946]
[2024-12-02 07:11:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107979946] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:42,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:11:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890402364]
[2024-12-02 07:11:42,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:42,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:42,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:42,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:42,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:42,980 INFO L87 Difference]: Start difference. First operand 600 states and 813 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:43,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:43,419 INFO L93 Difference]: Finished difference Result 1781 states and 2418 transitions.
[2024-12-02 07:11:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:43,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111
[2024-12-02 07:11:43,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:43,425 INFO L225 Difference]: With dead ends: 1781
[2024-12-02 07:11:43,425 INFO L226 Difference]: Without dead ends: 1183
[2024-12-02 07:11:43,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:43,427 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 158 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:43,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 99 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:43,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states.
[2024-12-02 07:11:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173.
[2024-12-02 07:11:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3114334470989761) internal successors, (1537), 1172 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1537 transitions.
[2024-12-02 07:11:43,471 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1537 transitions. Word has length 111
[2024-12-02 07:11:43,471 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:43,471 INFO L471 AbstractCegarLoop]: Abstraction has 1173 states and 1537 transitions.
[2024-12-02 07:11:43,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1537 transitions.
[2024-12-02 07:11:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-12-02 07:11:43,474 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:43,474 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:43,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:11:43,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -77950967, now seen corresponding path program 1 times
[2024-12-02 07:11:43,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:43,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399818007]
[2024-12-02 07:11:43,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:43,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:11:43,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:43,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399818007]
[2024-12-02 07:11:43,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399818007] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:43,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:43,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:11:43,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661312496]
[2024-12-02 07:11:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:43,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:43,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:43,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:43,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:43,602 INFO L87 Difference]: Start difference. First operand 1173 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:44,074 INFO L93 Difference]: Finished difference Result 3329 states and 4387 transitions.
[2024-12-02 07:11:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:44,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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 117
[2024-12-02 07:11:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:44,083 INFO L225 Difference]: With dead ends: 3329
[2024-12-02 07:11:44,083 INFO L226 Difference]: Without dead ends: 2158
[2024-12-02 07:11:44,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:44,085 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:44,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 129 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states.
[2024-12-02 07:11:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155.
[2024-12-02 07:11:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.1996285979572887) internal successors, (2584), 2154 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2584 transitions.
[2024-12-02 07:11:44,136 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2584 transitions. Word has length 117
[2024-12-02 07:11:44,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:44,136 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 2584 transitions.
[2024-12-02 07:11:44,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2584 transitions.
[2024-12-02 07:11:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-12-02 07:11:44,139 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:44,139 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:44,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:11:44,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:44,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1454931417, now seen corresponding path program 1 times
[2024-12-02 07:11:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:44,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168432166]
[2024-12-02 07:11:44,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:44,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-02 07:11:44,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:44,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168432166]
[2024-12-02 07:11:44,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168432166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:44,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:44,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:44,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144278439]
[2024-12-02 07:11:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:44,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:44,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:44,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:44,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:44,287 INFO L87 Difference]: Start difference. First operand 2155 states and 2584 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:44,772 INFO L93 Difference]: Finished difference Result 5432 states and 6640 transitions.
[2024-12-02 07:11:44,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:44,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 120
[2024-12-02 07:11:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:44,784 INFO L225 Difference]: With dead ends: 5432
[2024-12-02 07:11:44,784 INFO L226 Difference]: Without dead ends: 3279
[2024-12-02 07:11:44,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:44,787 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 71 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:44,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 246 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states.
[2024-12-02 07:11:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3279.
[2024-12-02 07:11:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.1708358755338621) internal successors, (3838), 3278 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3838 transitions.
[2024-12-02 07:11:44,874 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3838 transitions. Word has length 120
[2024-12-02 07:11:44,875 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:44,875 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 3838 transitions.
[2024-12-02 07:11:44,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:44,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3838 transitions.
[2024-12-02 07:11:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 07:11:44,880 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:44,880 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:11:44,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:11:44,881 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:44,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:44,881 INFO L85 PathProgramCache]: Analyzing trace with hash 450068072, now seen corresponding path program 1 times
[2024-12-02 07:11:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144410552]
[2024-12-02 07:11:44,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:44,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 07:11:44,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:44,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144410552]
[2024-12-02 07:11:44,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144410552] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:44,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:44,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:44,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785702517]
[2024-12-02 07:11:44,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:44,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:44,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:44,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:44,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:44,993 INFO L87 Difference]: Start difference. First operand 3279 states and 3838 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:45,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:45,444 INFO L93 Difference]: Finished difference Result 7542 states and 8779 transitions.
[2024-12-02 07:11:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139
[2024-12-02 07:11:45,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:45,455 INFO L225 Difference]: With dead ends: 7542
[2024-12-02 07:11:45,455 INFO L226 Difference]: Without dead ends: 3705
[2024-12-02 07:11:45,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:45,460 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 157 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:45,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 60 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:45,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3705 states.
[2024-12-02 07:11:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3705 to 3699.
[2024-12-02 07:11:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3699 states, 3698 states have (on average 1.0995132504056246) internal successors, (4066), 3698 states have internal predecessors, (4066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 4066 transitions.
[2024-12-02 07:11:45,536 INFO L78 Accepts]: Start accepts. Automaton has 3699 states and 4066 transitions. Word has length 139
[2024-12-02 07:11:45,536 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:45,536 INFO L471 AbstractCegarLoop]: Abstraction has 3699 states and 4066 transitions.
[2024-12-02 07:11:45,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 4066 transitions.
[2024-12-02 07:11:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-12-02 07:11:45,541 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:45,541 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:11:45,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:11:45,541 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:45,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1389922142, now seen corresponding path program 1 times
[2024-12-02 07:11:45,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747734246]
[2024-12-02 07:11:45,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 07:11:45,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747734246]
[2024-12-02 07:11:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747734246] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:11:45,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962977543]
[2024-12-02 07:11:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:45,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:11:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:45,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:11:45,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:11:45,818 INFO L87 Difference]: Start difference. First operand 3699 states and 4066 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:46,573 INFO L93 Difference]: Finished difference Result 7676 states and 8424 transitions.
[2024-12-02 07:11:46,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:11:46,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143
[2024-12-02 07:11:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:46,586 INFO L225 Difference]: With dead ends: 7676
[2024-12-02 07:11:46,586 INFO L226 Difference]: Without dead ends: 3979
[2024-12-02 07:11:46,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:11:46,591 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 328 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:46,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 142 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:11:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3979 states.
[2024-12-02 07:11:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3979 to 3839.
[2024-12-02 07:11:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 3838 states have (on average 1.09666492965086) internal successors, (4209), 3838 states have internal predecessors, (4209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 4209 transitions.
[2024-12-02 07:11:46,671 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 4209 transitions. Word has length 143
[2024-12-02 07:11:46,671 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:46,671 INFO L471 AbstractCegarLoop]: Abstraction has 3839 states and 4209 transitions.
[2024-12-02 07:11:46,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 4209 transitions.
[2024-12-02 07:11:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2024-12-02 07:11:46,677 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:46,677 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:46,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:11:46,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:46,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:46,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1703140041, now seen corresponding path program 1 times
[2024-12-02 07:11:46,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:46,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576643894]
[2024-12-02 07:11:46,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:46,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-12-02 07:11:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:46,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576643894]
[2024-12-02 07:11:46,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576643894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:46,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:46,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260387446]
[2024-12-02 07:11:46,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:46,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:46,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:46,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:46,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:46,846 INFO L87 Difference]: Start difference. First operand 3839 states and 4209 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:47,272 INFO L93 Difference]: Finished difference Result 8088 states and 8982 transitions.
[2024-12-02 07:11:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 182
[2024-12-02 07:11:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:47,282 INFO L225 Difference]: With dead ends: 8088
[2024-12-02 07:11:47,282 INFO L226 Difference]: Without dead ends: 3122
[2024-12-02 07:11:47,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:47,287 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 101 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:47,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 254 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states.
[2024-12-02 07:11:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2982.
[2024-12-02 07:11:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 1.0888963435088896) internal successors, (3246), 2981 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3246 transitions.
[2024-12-02 07:11:47,351 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3246 transitions. Word has length 182
[2024-12-02 07:11:47,351 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:47,351 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 3246 transitions.
[2024-12-02 07:11:47,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3246 transitions.
[2024-12-02 07:11:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-12-02 07:11:47,356 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:47,357 INFO L218 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:47,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 07:11:47,357 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:47,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 99759248, now seen corresponding path program 1 times
[2024-12-02 07:11:47,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:47,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997274443]
[2024-12-02 07:11:47,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-12-02 07:11:47,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:47,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997274443]
[2024-12-02 07:11:47,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997274443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:47,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:47,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:47,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543885358]
[2024-12-02 07:11:47,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:47,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:11:47,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:47,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:11:47,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:11:47,748 INFO L87 Difference]: Start difference. First operand 2982 states and 3246 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:48,122 INFO L93 Difference]: Finished difference Result 3208 states and 3472 transitions.
[2024-12-02 07:11:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:11:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 191
[2024-12-02 07:11:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:48,130 INFO L225 Difference]: With dead ends: 3208
[2024-12-02 07:11:48,130 INFO L226 Difference]: Without dead ends: 2982
[2024-12-02 07:11:48,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:11:48,132 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 145 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:48,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 49 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:11:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states.
[2024-12-02 07:11:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982.
[2024-12-02 07:11:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 1.0862126803086212) internal successors, (3238), 2981 states have internal predecessors, (3238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3238 transitions.
[2024-12-02 07:11:48,182 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3238 transitions. Word has length 191
[2024-12-02 07:11:48,183 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:48,183 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 3238 transitions.
[2024-12-02 07:11:48,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3238 transitions.
[2024-12-02 07:11:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198
[2024-12-02 07:11:48,188 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:48,188 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:48,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 07:11:48,188 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:48,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:48,189 INFO L85 PathProgramCache]: Analyzing trace with hash 368326173, now seen corresponding path program 1 times
[2024-12-02 07:11:48,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:48,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099811296]
[2024-12-02 07:11:48,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-12-02 07:11:48,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:48,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099811296]
[2024-12-02 07:11:48,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099811296] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:48,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:48,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478812959]
[2024-12-02 07:11:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:48,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:48,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:48,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:48,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:48,320 INFO L87 Difference]: Start difference. First operand 2982 states and 3238 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:48,719 INFO L93 Difference]: Finished difference Result 6944 states and 7613 transitions.
[2024-12-02 07:11:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:48,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 197
[2024-12-02 07:11:48,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:48,726 INFO L225 Difference]: With dead ends: 6944
[2024-12-02 07:11:48,726 INFO L226 Difference]: Without dead ends: 3822
[2024-12-02 07:11:48,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:48,728 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 132 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:48,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 208 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 07:11:48,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states.
[2024-12-02 07:11:48,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3400.
[2024-12-02 07:11:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3400 states, 3399 states have (on average 1.0903206825536922) internal successors, (3706), 3399 states have internal predecessors, (3706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 3706 transitions.
[2024-12-02 07:11:48,764 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 3706 transitions. Word has length 197
[2024-12-02 07:11:48,764 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:48,764 INFO L471 AbstractCegarLoop]: Abstraction has 3400 states and 3706 transitions.
[2024-12-02 07:11:48,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3706 transitions.
[2024-12-02 07:11:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222
[2024-12-02 07:11:48,768 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:48,768 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:48,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 07:11:48,768 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:48,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1906339871, now seen corresponding path program 1 times
[2024-12-02 07:11:48,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:48,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311791460]
[2024-12-02 07:11:48,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2024-12-02 07:11:48,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:48,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311791460]
[2024-12-02 07:11:48,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311791460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:48,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:48,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:48,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935951288]
[2024-12-02 07:11:48,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:48,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:48,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:48,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:48,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:48,839 INFO L87 Difference]: Start difference. First operand 3400 states and 3706 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:49,198 INFO L93 Difference]: Finished difference Result 7219 states and 7856 transitions.
[2024-12-02 07:11:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:49,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 221
[2024-12-02 07:11:49,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:49,206 INFO L225 Difference]: With dead ends: 7219
[2024-12-02 07:11:49,206 INFO L226 Difference]: Without dead ends: 3539
[2024-12-02 07:11:49,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:49,210 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 159 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:49,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 70 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:11:49,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states.
[2024-12-02 07:11:49,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3399.
[2024-12-02 07:11:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 3398 states have (on average 1.0776927604473219) internal successors, (3662), 3398 states have internal predecessors, (3662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 3662 transitions.
[2024-12-02 07:11:49,248 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 3662 transitions. Word has length 221
[2024-12-02 07:11:49,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:49,248 INFO L471 AbstractCegarLoop]: Abstraction has 3399 states and 3662 transitions.
[2024-12-02 07:11:49,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 3662 transitions.
[2024-12-02 07:11:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-12-02 07:11:49,253 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:49,253 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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]
[2024-12-02 07:11:49,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 07:11:49,253 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:49,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash -669018462, now seen corresponding path program 1 times
[2024-12-02 07:11:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740110043]
[2024-12-02 07:11:49,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2024-12-02 07:11:49,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:49,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740110043]
[2024-12-02 07:11:49,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740110043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:49,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:49,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:49,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792515051]
[2024-12-02 07:11:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:49,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:49,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:49,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:49,365 INFO L87 Difference]: Start difference. First operand 3399 states and 3662 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:49,664 INFO L93 Difference]: Finished difference Result 7219 states and 7764 transitions.
[2024-12-02 07:11:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:49,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223
[2024-12-02 07:11:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:49,673 INFO L225 Difference]: With dead ends: 7219
[2024-12-02 07:11:49,673 INFO L226 Difference]: Without dead ends: 3399
[2024-12-02 07:11:49,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:49,677 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 88 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:49,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 233 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:11:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states.
[2024-12-02 07:11:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3394.
[2024-12-02 07:11:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 3393 states have (on average 1.0557029177718833) internal successors, (3582), 3393 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3582 transitions.
[2024-12-02 07:11:49,718 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3582 transitions. Word has length 223
[2024-12-02 07:11:49,718 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:49,718 INFO L471 AbstractCegarLoop]: Abstraction has 3394 states and 3582 transitions.
[2024-12-02 07:11:49,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3582 transitions.
[2024-12-02 07:11:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-12-02 07:11:49,724 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:11:49,724 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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]
[2024-12-02 07:11:49,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 07:11:49,725 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:11:49,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:11:49,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1203167612, now seen corresponding path program 1 times
[2024-12-02 07:11:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:11:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647848777]
[2024-12-02 07:11:49,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:11:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:11:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:11:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-12-02 07:11:49,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:11:49,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647848777]
[2024-12-02 07:11:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647848777] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:11:49,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:11:49,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:11:49,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474474848]
[2024-12-02 07:11:49,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:11:49,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:11:49,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:11:49,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:11:49,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:49,841 INFO L87 Difference]: Start difference. First operand 3394 states and 3582 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:11:50,152 INFO L93 Difference]: Finished difference Result 5370 states and 5639 transitions.
[2024-12-02 07:11:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:11:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 239
[2024-12-02 07:11:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:11:50,153 INFO L225 Difference]: With dead ends: 5370
[2024-12-02 07:11:50,153 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 07:11:50,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:11:50,156 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 103 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:11:50,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 201 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:11:50,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 07:11:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 07:11:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 07:11:50,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239
[2024-12-02 07:11:50,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:11:50,157 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 07:11:50,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:11:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 07:11:50,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 07:11:50,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 07:11:50,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 07:11:50,162 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:11:50,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 07:11:50,563 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:11:50,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:11:50 BoogieIcfgContainer
[2024-12-02 07:11:50,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:11:50,579 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:11:50,579 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:11:50,579 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:11:50,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:11:40" (3/4) ...
[2024-12-02 07:11:50,581 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:11:50,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 07:11:50,596 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 07:11:50,597 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 07:11:50,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:11:50,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:11:50,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:11:50,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:11:50,693 INFO L158 Benchmark]: Toolchain (without parser) took 12026.06ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 115.0MB in the beginning and 172.8MB in the end (delta: -57.8MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,694 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:11:50,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.00ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 88.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.82ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 83.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,694 INFO L158 Benchmark]: Boogie Preprocessor took 71.46ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:11:50,694 INFO L158 Benchmark]: RCFGBuilder took 983.39ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 59.7MB in the end (delta: 19.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,695 INFO L158 Benchmark]: TraceAbstraction took 10404.66ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 59.2MB in the beginning and 184.4MB in the end (delta: -125.2MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,695 INFO L158 Benchmark]: Witness Printer took 113.93ms. Allocated memory is still 310.4MB. Free memory was 184.4MB in the beginning and 172.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:11:50,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 391.00ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 88.8MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 55.82ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 83.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 71.46ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 983.39ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 59.7MB in the end (delta: 19.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 10404.66ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 59.2MB in the beginning and 184.4MB in the end (delta: -125.2MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB.
* Witness Printer took 113.93ms. Allocated memory is still 310.4MB. Free memory was 184.4MB in the beginning and 172.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. 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: 461]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1873 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1873 mSDsluCounter, 1924 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 748 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5580 IncrementalHoareTripleChecker+Invalid, 6328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 748 mSolverCounterUnsat, 1635 mSDtfsCounter, 5580 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3839occurred in iteration=7, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 866 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2073 NumberOfCodeBlocks, 2073 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2060 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1486/1486 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, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 616]: Loop Invariant
Derived loop invariant: ((((((((((((((((((((a25 == 1) && (a11 == 1)) && (a21 == 1)) && (a19 == 1)) && (a28 <= 7)) || (((a28 == 10) && (a21 == 1)) && (a19 == 1))) || ((a17 <= 7) && (a28 <= 7))) || ((((((a17 == 8) && (a25 == 1)) && (a28 == 11)) && (a21 == 1)) && (a19 == 1)) && (a11 != 1))) || (((a21 == 1) && (a11 <= 0)) && (a25 <= 0))) || ((((((a17 == 8) && (9 <= a28)) && (a21 == 1)) && (a11 <= 0)) && (a28 <= 10)) && (a19 == 1))) || ((((a11 == 1) && (a21 == 1)) && (a28 <= 7)) && (a25 <= 0))) || (((((a25 == 1) && (a21 == 1)) && (a11 <= 0)) && (a28 <= 10)) && (a19 == 1))) || (((a21 == 1) && (a11 <= 0)) && (a28 <= 7))) || ((((a25 == 1) && (a28 == 10)) && (a21 == 1)) && (a11 <= 0))) || ((10 <= a28) && (a17 <= 7))) || ((((((a17 == 8) && (a25 == 1)) && (a11 == 1)) && (a21 == 1)) && (a19 == 1)) && (a28 == 9))) || (((((a17 == 8) && (a25 == 1)) && (a21 == 1)) && (a19 == 1)) && (a28 <= 7))) || (((9 <= a28) && (a17 <= 7)) && (a21 == 1))) || (((((((a17 == 8) && (9 <= a28)) && (a11 == 1)) && (a21 == 1)) && (a28 <= 10)) && (a19 == 1)) && (a25 <= 0))) || ((a17 <= 7) && (a11 <= 0)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:11:50,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd671ccc-afc7-463f-bca4-252fd7e472d8/bin/uautomizer-verify-84ZbGMXZE1/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