./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/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_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:21:59,357 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:21:59,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 06:21:59,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:21:59,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:21:59,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:21:59,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:21:59,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:21:59,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:21:59,447 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:21:59,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:21:59,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:21:59,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:21:59,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:21:59,447 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:21:59,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:21:59,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:21:59,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:21:59,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:21:59,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:21:59,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:21:59,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:21:59,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:21:59,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:21:59,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:21:59,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:21:59,451 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_4f95f74e-8f83-45e4-aefd-10bdc08511a7/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 ! overflow) )
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 -> 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8
[2024-12-02 06:21:59,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:21:59,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:21:59,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:21:59,722 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:21:59,723 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:21:59,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i
[2024-12-02 06:22:02,723 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/data/adfb34548/eb0f41d9b2de40cfb4c3618db8df4ea3/FLAGf0a2c2c6e
[2024-12-02 06:22:02,963 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:22:02,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/sv-benchmarks/c/pthread-lit/sssc12_variant.i
[2024-12-02 06:22:02,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/data/adfb34548/eb0f41d9b2de40cfb4c3618db8df4ea3/FLAGf0a2c2c6e
[2024-12-02 06:22:03,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/data/adfb34548/eb0f41d9b2de40cfb4c3618db8df4ea3
[2024-12-02 06:22:03,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:22:03,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:22:03,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:22:03,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:22:03,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:22:03,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231c285b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03, skipping insertion in model container
[2024-12-02 06:22:03,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,325 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:22:03,686 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:22:03,702 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:22:03,754 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:22:03,796 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:22:03,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03 WrapperNode
[2024-12-02 06:22:03,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:22:03,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:22:03,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:22:03,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:22:03,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,835 INFO L138 Inliner]: procedures = 272, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83
[2024-12-02 06:22:03,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:22:03,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:22:03,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:22:03,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:22:03,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,861 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 3, 5]. 50 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5]. The 2 writes are split as follows [0, 2, 0].
[2024-12-02 06:22:03,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:22:03,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:22:03,880 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:22:03,880 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:22:03,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (1/1) ...
[2024-12-02 06:22:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:22:03,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:22:03,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:22:03,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f95f74e-8f83-45e4-aefd-10bdc08511a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:22:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure thr
[2024-12-02 06:22:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thr
[2024-12-02 06:22:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 06:22:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 06:22:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 06:22:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 06:22:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:22:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:22:03,944 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 06:22:04,067 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:22:04,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:22:04,265 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 06:22:04,265 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:22:04,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:22:04,401 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-12-02 06:22:04,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:22:04 BoogieIcfgContainer
[2024-12-02 06:22:04,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:22:04,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:22:04,403 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:22:04,408 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:22:04,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:22:03" (1/3) ...
[2024-12-02 06:22:04,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5eb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:22:04, skipping insertion in model container
[2024-12-02 06:22:04,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:03" (2/3) ...
[2024-12-02 06:22:04,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5eb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:22:04, skipping insertion in model container
[2024-12-02 06:22:04,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:22:04" (3/3) ...
[2024-12-02 06:22:04,410 INFO L128 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i
[2024-12-02 06:22:04,425 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:22:04,427 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sssc12_variant.i that has 2 procedures, 25 locations, 1 initial locations, 2 loop locations, and 6 error locations.
[2024-12-02 06:22:04,427 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 06:22:04,467 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:22:04,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 27 transitions, 58 flow
[2024-12-02 06:22:04,520 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events.
[2024-12-02 06:22:04,522 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:22:04,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 29 events. 2/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place.
[2024-12-02 06:22:04,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 27 transitions, 58 flow
[2024-12-02 06:22:04,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 27 transitions, 58 flow
[2024-12-02 06:22:04,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:22:04,546 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;@17232985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:22:04,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2024-12-02 06:22:04,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:22:04,552 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events.
[2024-12-02 06:22:04,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:22:04,552 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:04,553 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-12-02 06:22:04,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] ===
[2024-12-02 06:22:04,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -689370086, now seen corresponding path program 1 times
[2024-12-02 06:22:04,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:04,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678322376]
[2024-12-02 06:22:04,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:04,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:04,656 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:22:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:04,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:22:04,693 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:22:04,694 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining)
[2024-12-02 06:22:04,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining)
[2024-12-02 06:22:04,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining)
[2024-12-02 06:22:04,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining)
[2024-12-02 06:22:04,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining)
[2024-12-02 06:22:04,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining)
[2024-12-02 06:22:04,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining)
[2024-12-02 06:22:04,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:22:04,698 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-12-02 06:22:04,702 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 06:22:04,702 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-12-02 06:22:04,728 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:22:04,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 108 flow
[2024-12-02 06:22:04,745 INFO L124 PetriNetUnfolderBase]: 4/54 cut-off events.
[2024-12-02 06:22:04,745 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-12-02 06:22:04,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 54 events. 4/54 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place.
[2024-12-02 06:22:04,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 49 transitions, 108 flow
[2024-12-02 06:22:04,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 49 transitions, 108 flow
[2024-12-02 06:22:04,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:22:04,749 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;@17232985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:22:04,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations.
[2024-12-02 06:22:04,755 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:22:04,755 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-12-02 06:22:04,755 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:22:04,755 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:04,756 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:22:04,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 06:22:04,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:04,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2112394640, now seen corresponding path program 1 times
[2024-12-02 06:22:04,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:04,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23579301]
[2024-12-02 06:22:04,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:04,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:22:04,892 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 06:22:04,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:22:04,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23579301]
[2024-12-02 06:22:04,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23579301] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:22:04,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:22:04,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 06:22:04,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773227810]
[2024-12-02 06:22:04,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:22:04,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:22:04,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:22:04,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:22:04,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:22:04,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 49
[2024-12-02 06:22:04,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 06:22:04,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:22:04,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 49
[2024-12-02 06:22:04,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:22:05,297 INFO L124 PetriNetUnfolderBase]: 893/1766 cut-off events.
[2024-12-02 06:22:05,297 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES.
[2024-12-02 06:22:05,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3180 conditions, 1766 events. 893/1766 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 11151 event pairs, 328 based on Foata normal form. 140/1601 useless extension candidates. Maximal degree in co-relation 1112. Up to 848 conditions per place.
[2024-12-02 06:22:05,311 INFO L140 encePairwiseOnDemand]: 37/49 looper letters, 45 selfloop transitions, 3 changer transitions 0/67 dead transitions.
[2024-12-02 06:22:05,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 67 transitions, 245 flow
[2024-12-02 06:22:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:22:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 06:22:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions.
[2024-12-02 06:22:05,323 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.782312925170068
[2024-12-02 06:22:05,324 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 108 flow. Second operand 3 states and 115 transitions.
[2024-12-02 06:22:05,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 67 transitions, 245 flow
[2024-12-02 06:22:05,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 67 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 06:22:05,333 INFO L231 Difference]: Finished difference. Result has 52 places, 50 transitions, 139 flow
[2024-12-02 06:22:05,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=52, PETRI_TRANSITIONS=50}
[2024-12-02 06:22:05,337 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places.
[2024-12-02 06:22:05,338 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 139 flow
[2024-12-02 06:22:05,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 06:22:05,338 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:05,338 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1]
[2024-12-02 06:22:05,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:22:05,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-12-02 06:22:05,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1788034892, now seen corresponding path program 1 times
[2024-12-02 06:22:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:05,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653170165]
[2024-12-02 06:22:05,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:05,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:05,362 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:22:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:05,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:22:05,381 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:22:05,381 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining)
[2024-12-02 06:22:05,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining)
[2024-12-02 06:22:05,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining)
[2024-12-02 06:22:05,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining)
[2024-12-02 06:22:05,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining)
[2024-12-02 06:22:05,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining)
[2024-12-02 06:22:05,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining)
[2024-12-02 06:22:05,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining)
[2024-12-02 06:22:05,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:22:05,384 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 06:22:05,385 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 06:22:05,385 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-12-02 06:22:05,410 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:22:05,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 160 flow
[2024-12-02 06:22:05,427 INFO L124 PetriNetUnfolderBase]: 6/79 cut-off events.
[2024-12-02 06:22:05,427 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-12-02 06:22:05,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 79 events. 6/79 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 236 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 66. Up to 4 conditions per place.
[2024-12-02 06:22:05,427 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 71 transitions, 160 flow
[2024-12-02 06:22:05,428 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 160 flow
[2024-12-02 06:22:05,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:22:05,430 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;@17232985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:22:05,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-12-02 06:22:05,432 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:22:05,432 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-12-02 06:22:05,433 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:22:05,433 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:05,433 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:22:05,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] ===
[2024-12-02 06:22:05,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:05,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1475147892, now seen corresponding path program 1 times
[2024-12-02 06:22:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885404405]
[2024-12-02 06:22:05,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:05,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:22:05,492 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 06:22:05,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:22:05,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885404405]
[2024-12-02 06:22:05,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885404405] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:22:05,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:22:05,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 06:22:05,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611029319]
[2024-12-02 06:22:05,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:22:05,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:22:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:22:05,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:22:05,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:22:05,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 71
[2024-12-02 06:22:05,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 06:22:05,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:22:05,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 71
[2024-12-02 06:22:05,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:22:08,410 INFO L124 PetriNetUnfolderBase]: 19357/29470 cut-off events.
[2024-12-02 06:22:08,410 INFO L125 PetriNetUnfolderBase]: For 1051/1051 co-relation queries the response was YES.
[2024-12-02 06:22:08,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55912 conditions, 29470 events. 19357/29470 cut-off events. For 1051/1051 co-relation queries the response was YES. Maximal size of possible extension queue 1574. Compared 221983 event pairs, 6099 based on Foata normal form. 1714/25761 useless extension candidates. Maximal degree in co-relation 7607. Up to 19700 conditions per place.
[2024-12-02 06:22:08,579 INFO L140 encePairwiseOnDemand]: 54/71 looper letters, 66 selfloop transitions, 4 changer transitions 0/98 dead transitions.
[2024-12-02 06:22:08,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 98 transitions, 366 flow
[2024-12-02 06:22:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:22:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 06:22:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions.
[2024-12-02 06:22:08,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7887323943661971
[2024-12-02 06:22:08,582 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 160 flow. Second operand 3 states and 168 transitions.
[2024-12-02 06:22:08,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 98 transitions, 366 flow
[2024-12-02 06:22:08,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 98 transitions, 362 flow, removed 2 selfloop flow, removed 0 redundant places.
[2024-12-02 06:22:08,587 INFO L231 Difference]: Finished difference. Result has 74 places, 73 transitions, 204 flow
[2024-12-02 06:22:08,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=74, PETRI_TRANSITIONS=73}
[2024-12-02 06:22:08,588 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 2 predicate places.
[2024-12-02 06:22:08,588 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 73 transitions, 204 flow
[2024-12-02 06:22:08,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 06:22:08,589 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:08,589 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1]
[2024-12-02 06:22:08,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:22:08,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] ===
[2024-12-02 06:22:08,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:08,590 INFO L85 PathProgramCache]: Analyzing trace with hash -338254215, now seen corresponding path program 1 times
[2024-12-02 06:22:08,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:08,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298120831]
[2024-12-02 06:22:08,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:08,609 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:22:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:22:08,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:22:08,623 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:22:08,623 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-12-02 06:22:08,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 25 remaining)
[2024-12-02 06:22:08,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 25 remaining)
[2024-12-02 06:22:08,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 25 remaining)
[2024-12-02 06:22:08,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 25 remaining)
[2024-12-02 06:22:08,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:22:08,626 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 06:22:08,627 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 06:22:08,628 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-12-02 06:22:08,666 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:22:08,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 93 transitions, 214 flow
[2024-12-02 06:22:08,680 INFO L124 PetriNetUnfolderBase]: 8/104 cut-off events.
[2024-12-02 06:22:08,680 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-12-02 06:22:08,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 104 events. 8/104 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 339 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 91. Up to 5 conditions per place.
[2024-12-02 06:22:08,681 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 93 transitions, 214 flow
[2024-12-02 06:22:08,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 93 transitions, 214 flow
[2024-12-02 06:22:08,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:22:08,684 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;@17232985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:22:08,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations.
[2024-12-02 06:22:08,687 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:22:08,687 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-12-02 06:22:08,687 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:22:08,687 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:08,687 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:22:08,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] ===
[2024-12-02 06:22:08,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2065996130, now seen corresponding path program 1 times
[2024-12-02 06:22:08,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:08,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326984569]
[2024-12-02 06:22:08,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:08,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:22:08,738 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 06:22:08,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:22:08,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326984569]
[2024-12-02 06:22:08,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326984569] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:22:08,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:22:08,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 06:22:08,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519126345]
[2024-12-02 06:22:08,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:22:08,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:22:08,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:22:08,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:22:08,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:22:08,791 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 93
[2024-12-02 06:22:08,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 93 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 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 06:22:08,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:22:08,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 93
[2024-12-02 06:22:08,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:22:39,994 INFO L124 PetriNetUnfolderBase]: 357008/476783 cut-off events.
[2024-12-02 06:22:39,995 INFO L125 PetriNetUnfolderBase]: For 22656/22656 co-relation queries the response was YES.
[2024-12-02 06:22:40,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930325 conditions, 476783 events. 357008/476783 cut-off events. For 22656/22656 co-relation queries the response was YES. Maximal size of possible extension queue 19655. Compared 3726105 event pairs, 101149 based on Foata normal form. 18480/405688 useless extension candidates. Maximal degree in co-relation 55898. Up to 378734 conditions per place.
[2024-12-02 06:22:42,953 INFO L140 encePairwiseOnDemand]: 71/93 looper letters, 87 selfloop transitions, 5 changer transitions 0/129 dead transitions.
[2024-12-02 06:22:42,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 129 transitions, 491 flow
[2024-12-02 06:22:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:22:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 06:22:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions.
[2024-12-02 06:22:42,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7921146953405018
[2024-12-02 06:22:42,956 INFO L175 Difference]: Start difference. First operand has 94 places, 93 transitions, 214 flow. Second operand 3 states and 221 transitions.
[2024-12-02 06:22:42,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 129 transitions, 491 flow
[2024-12-02 06:22:42,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 129 transitions, 479 flow, removed 6 selfloop flow, removed 0 redundant places.
[2024-12-02 06:22:42,978 INFO L231 Difference]: Finished difference. Result has 96 places, 96 transitions, 269 flow
[2024-12-02 06:22:42,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=96, PETRI_TRANSITIONS=96}
[2024-12-02 06:22:42,979 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 2 predicate places.
[2024-12-02 06:22:42,979 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 96 transitions, 269 flow
[2024-12-02 06:22:42,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 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 06:22:42,979 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:22:42,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:22:42,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:22:42,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] ===
[2024-12-02 06:22:42,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:22:42,980 INFO L85 PathProgramCache]: Analyzing trace with hash -72415900, now seen corresponding path program 1 times
[2024-12-02 06:22:42,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:22:42,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175454809]
[2024-12-02 06:22:42,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:22:42,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:22:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:22:43,071 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 06:22:43,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:22:43,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175454809]
[2024-12-02 06:22:43,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175454809] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:22:43,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:22:43,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:22:43,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234344914]
[2024-12-02 06:22:43,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:22:43,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:22:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:22:43,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:22:43,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:22:43,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 93
[2024-12-02 06:22:43,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 96 transitions, 269 flow. 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 06:22:43,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:22:43,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 93
[2024-12-02 06:22:43,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 06:23:12,578 INFO L124 PetriNetUnfolderBase]: 258755/387257 cut-off events.
[2024-12-02 06:23:12,579 INFO L125 PetriNetUnfolderBase]: For 36246/59043 co-relation queries the response was YES.
[2024-12-02 06:23:13,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769514 conditions, 387257 events. 258755/387257 cut-off events. For 36246/59043 co-relation queries the response was YES. Maximal size of possible extension queue 15331. Compared 3730651 event pairs, 123337 based on Foata normal form. 0/304972 useless extension candidates. Maximal degree in co-relation 332166. Up to 195565 conditions per place.
[2024-12-02 06:23:15,249 INFO L140 encePairwiseOnDemand]: 90/93 looper letters, 77 selfloop transitions, 2 changer transitions 0/130 dead transitions.
[2024-12-02 06:23:15,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 525 flow
[2024-12-02 06:23:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:23:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 06:23:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions.
[2024-12-02 06:23:15,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8100358422939068
[2024-12-02 06:23:15,252 INFO L175 Difference]: Start difference. First operand has 96 places, 96 transitions, 269 flow. Second operand 3 states and 226 transitions.
[2024-12-02 06:23:15,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 130 transitions, 525 flow
[2024-12-02 06:23:15,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 130 transitions, 517 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 06:23:15,292 INFO L231 Difference]: Finished difference. Result has 98 places, 96 transitions, 272 flow
[2024-12-02 06:23:15,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=98, PETRI_TRANSITIONS=96}
[2024-12-02 06:23:15,293 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 4 predicate places.
[2024-12-02 06:23:15,293 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 272 flow
[2024-12-02 06:23:15,293 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 06:23:15,293 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:23:15,293 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:23:15,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:23:15,293 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] ===
[2024-12-02 06:23:15,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:23:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash 675764825, now seen corresponding path program 1 times
[2024-12-02 06:23:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:23:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190611634]
[2024-12-02 06:23:15,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:23:15,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:23:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:23:15,313 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:23:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:23:15,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:23:15,329 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:23:15,330 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining)
[2024-12-02 06:23:15,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining)
[2024-12-02 06:23:15,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining)
[2024-12-02 06:23:15,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining)
[2024-12-02 06:23:15,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining)
[2024-12-02 06:23:15,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining)
[2024-12-02 06:23:15,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining)
[2024-12-02 06:23:15,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining)
[2024-12-02 06:23:15,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining)
[2024-12-02 06:23:15,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 06:23:15,335 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 06:23:15,335 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-12-02 06:23:15,336 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-12-02 06:23:15,378 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 06:23:15,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 115 transitions, 270 flow
[2024-12-02 06:23:15,394 INFO L124 PetriNetUnfolderBase]: 10/129 cut-off events.
[2024-12-02 06:23:15,395 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-12-02 06:23:15,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 129 events. 10/129 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 451 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 122. Up to 6 conditions per place.
[2024-12-02 06:23:15,396 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 115 transitions, 270 flow
[2024-12-02 06:23:15,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 115 transitions, 270 flow
[2024-12-02 06:23:15,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:23:15,399 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;@17232985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:23:15,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-12-02 06:23:15,401 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:23:15,401 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2024-12-02 06:23:15,401 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:23:15,401 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:23:15,401 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:23:15,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, thrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 34 more)] ===
[2024-12-02 06:23:15,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:23:15,402 INFO L85 PathProgramCache]: Analyzing trace with hash 340496390, now seen corresponding path program 1 times
[2024-12-02 06:23:15,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:23:15,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475952633]
[2024-12-02 06:23:15,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:23:15,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:23:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:23:15,444 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 06:23:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:23:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475952633]
[2024-12-02 06:23:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475952633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:23:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:23:15,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 06:23:15,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090604710]
[2024-12-02 06:23:15,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:23:15,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:23:15,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:23:15,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:23:15,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:23:15,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 115
[2024-12-02 06:23:15,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 115 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 06:23:15,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 06:23:15,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 115
[2024-12-02 06:23:15,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand