./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX --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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:26:14,145 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:26:14,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 18:26:14,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:26:14,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:26:14,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:26:14,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:26:14,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:26:14,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:26:14,261 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:26:14,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:26:14,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:26:14,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:26:14,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:26:14,264 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:26:14,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:26:14,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:26:14,268 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:26:14,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:26:14,269 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:26:14,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:26:14,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:26:14,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:26:14,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:26:14,274 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:26:14,274 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:26:14,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:26:14,275 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:26:14,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:26:14,276 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:26:14,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:26:14,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:26:14,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:26:14,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:26:14,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:26:14,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:26:14,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:26:14,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:26:14,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:26:14,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:26:14,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:26:14,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:26:14,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:26:14,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:26:14,285 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04
[2024-11-08 18:26:14,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:26:14,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:26:14,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:26:14,620 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:26:14,623 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:26:14,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i
Unable to find full path for "g++"
[2024-11-08 18:26:16,976 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:26:17,322 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:26:17,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i
[2024-11-08 18:26:17,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/data/ca005145c/1420d890cbe7463097bc224ab5712626/FLAGe23e754e1
[2024-11-08 18:26:17,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/data/ca005145c/1420d890cbe7463097bc224ab5712626
[2024-11-08 18:26:17,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:26:17,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:26:17,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:26:17,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:26:17,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:26:17,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:26:17" (1/1) ...
[2024-11-08 18:26:17,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfef072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:17, skipping insertion in model container
[2024-11-08 18:26:17,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:26:17" (1/1) ...
[2024-11-08 18:26:17,649 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:26:18,288 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:26:18,321 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:26:18,405 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:26:18,501 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:26:18,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18 WrapperNode
[2024-11-08 18:26:18,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:26:18,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:26:18,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:26:18,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:26:18,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,603 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 104
[2024-11-08 18:26:18,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:26:18,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:26:18,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:26:18,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:26:18,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,664 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0].
[2024-11-08 18:26:18,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:26:18,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:26:18,731 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:26:18,732 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:26:18,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (1/1) ...
[2024-11-08 18:26:18,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:26:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:26:18,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:26:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbb701ac-ae9d-4182-9108-a77cdedf4410/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:26:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure generate
[2024-11-08 18:26:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure generate
[2024-11-08 18:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-08 18:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-08 18:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:26:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure dispose
[2024-11-08 18:26:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose
[2024-11-08 18:26:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure process
[2024-11-08 18:26:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure process
[2024-11-08 18:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 18:26:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:26:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:26:18,845 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:26:19,204 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:26:19,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:26:19,602 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:26:19,603 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:26:19,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:26:19,803 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-08 18:26:19,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:26:19 BoogieIcfgContainer
[2024-11-08 18:26:19,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:26:19,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:26:19,806 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:26:19,815 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:26:19,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:26:17" (1/3) ...
[2024-11-08 18:26:19,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9f0b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:26:19, skipping insertion in model container
[2024-11-08 18:26:19,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:18" (2/3) ...
[2024-11-08 18:26:19,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9f0b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:26:19, skipping insertion in model container
[2024-11-08 18:26:19,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:26:19" (3/3) ...
[2024-11-08 18:26:19,819 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i
[2024-11-08 18:26:19,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:26:19,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2024-11-08 18:26:19,843 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:26:19,925 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:26:19,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 79 transitions, 170 flow
[2024-11-08 18:26:20,050 INFO L124 PetriNetUnfolderBase]: 8/76 cut-off events.
[2024-11-08 18:26:20,051 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:26:20,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 8/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 196 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place.
[2024-11-08 18:26:20,059 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 79 transitions, 170 flow
[2024-11-08 18:26:20,066 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 76 transitions, 161 flow
[2024-11-08 18:26:20,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:26:20,094 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;@4420e05a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:26:20,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2024-11-08 18:26:20,116 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:26:20,118 INFO L124 PetriNetUnfolderBase]: 3/37 cut-off events.
[2024-11-08 18:26:20,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:26:20,119 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:26:20,120 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:26:20,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-08 18:26:20,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:26:20,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1100750223, now seen corresponding path program 1 times
[2024-11-08 18:26:20,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:26:20,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279960629]
[2024-11-08 18:26:20,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:26:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:26:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:26:20,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:26:20,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279960629]
[2024-11-08 18:26:20,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279960629] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:26:20,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:26:20,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:26:20,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338681376]
[2024-11-08 18:26:20,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:26:20,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:26:20,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:26:20,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:26:20,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:26:20,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79
[2024-11-08 18:26:20,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 161 flow. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:26:20,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:26:20,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79
[2024-11-08 18:26:20,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:26:28,475 INFO L124 PetriNetUnfolderBase]: 33816/55630 cut-off events.
[2024-11-08 18:26:28,476 INFO L125 PetriNetUnfolderBase]: For 188/188 co-relation queries the response was YES.
[2024-11-08 18:26:28,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100534 conditions, 55630 events. 33816/55630 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 1273. Compared 462731 event pairs, 11329 based on Foata normal form. 3558/54472 useless extension candidates. Maximal degree in co-relation 100523. Up to 20395 conditions per place.
[2024-11-08 18:26:29,023 INFO L140 encePairwiseOnDemand]: 69/79 looper letters, 120 selfloop transitions, 9 changer transitions 0/161 dead transitions.
[2024-11-08 18:26:29,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 161 transitions, 598 flow
[2024-11-08 18:26:29,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 18:26:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:26:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 312 transitions.
[2024-11-08 18:26:29,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.789873417721519
[2024-11-08 18:26:29,048 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 161 flow. Second operand 5 states and 312 transitions.
[2024-11-08 18:26:29,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 161 transitions, 598 flow
[2024-11-08 18:26:29,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 161 transitions, 592 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:26:29,072 INFO L231 Difference]: Finished difference. Result has 81 places, 82 transitions, 222 flow
[2024-11-08 18:26:29,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=222, PETRI_PLACES=81, PETRI_TRANSITIONS=82}
[2024-11-08 18:26:29,082 INFO L277 CegarLoopForPetriNet]: 78 programPoint places, 3 predicate places.
[2024-11-08 18:26:29,082 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 82 transitions, 222 flow
[2024-11-08 18:26:29,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:26:29,083 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:26:29,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:26:29,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:26:29,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting generateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-08 18:26:29,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:26:29,086 INFO L85 PathProgramCache]: Analyzing trace with hash 267148427, now seen corresponding path program 1 times
[2024-11-08 18:26:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:26:29,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634194777]
[2024-11-08 18:26:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:26:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:26:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:26:29,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:26:29,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634194777]
[2024-11-08 18:26:29,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634194777] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:26:29,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:26:29,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:26:29,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038123367]
[2024-11-08 18:26:29,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:26:29,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:26:29,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:26:29,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:26:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:26:29,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 79
[2024-11-08 18:26:29,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 82 transitions, 222 flow. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 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)
[2024-11-08 18:26:29,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:26:29,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 79
[2024-11-08 18:26:29,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:26:40,030 INFO L124 PetriNetUnfolderBase]: 60366/100734 cut-off events.
[2024-11-08 18:26:40,031 INFO L125 PetriNetUnfolderBase]: For 19526/20729 co-relation queries the response was YES.
[2024-11-08 18:26:40,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198552 conditions, 100734 events. 60366/100734 cut-off events. For 19526/20729 co-relation queries the response was YES. Maximal size of possible extension queue 2151. Compared 915946 event pairs, 34655 based on Foata normal form. 3734/98906 useless extension candidates. Maximal degree in co-relation 198538. Up to 55032 conditions per place.
[2024-11-08 18:26:40,865 INFO L140 encePairwiseOnDemand]: 72/79 looper letters, 121 selfloop transitions, 3 changer transitions 0/157 dead transitions.
[2024-11-08 18:26:40,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 157 transitions, 684 flow
[2024-11-08 18:26:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:26:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:26:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 248 transitions.
[2024-11-08 18:26:40,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7848101265822784
[2024-11-08 18:26:40,871 INFO L175 Difference]: Start difference. First operand has 81 places, 82 transitions, 222 flow. Second operand 4 states and 248 transitions.
[2024-11-08 18:26:40,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 157 transitions, 684 flow
[2024-11-08 18:26:41,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 157 transitions, 684 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:26:41,329 INFO L231 Difference]: Finished difference. Result has 86 places, 84 transitions, 248 flow
[2024-11-08 18:26:41,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=248, PETRI_PLACES=86, PETRI_TRANSITIONS=84}
[2024-11-08 18:26:41,331 INFO L277 CegarLoopForPetriNet]: 78 programPoint places, 8 predicate places.
[2024-11-08 18:26:41,331 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 84 transitions, 248 flow
[2024-11-08 18:26:41,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 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)
[2024-11-08 18:26:41,332 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:26:41,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:26:41,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:26:41,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-08 18:26:41,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:26:41,334 INFO L85 PathProgramCache]: Analyzing trace with hash 236481965, now seen corresponding path program 1 times
[2024-11-08 18:26:41,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:26:41,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44507782]
[2024-11-08 18:26:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:26:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:26:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:26:41,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:26:41,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44507782]
[2024-11-08 18:26:41,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44507782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:26:41,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:26:41,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:26:41,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964283779]
[2024-11-08 18:26:41,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:26:41,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:26:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:26:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:26:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:26:41,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79
[2024-11-08 18:26:41,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 84 transitions, 248 flow. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:26:41,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:26:41,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79
[2024-11-08 18:26:41,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:26:53,869 INFO L124 PetriNetUnfolderBase]: 75168/121890 cut-off events.
[2024-11-08 18:26:53,869 INFO L125 PetriNetUnfolderBase]: For 47306/49958 co-relation queries the response was YES.
[2024-11-08 18:26:54,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263185 conditions, 121890 events. 75168/121890 cut-off events. For 47306/49958 co-relation queries the response was YES. Maximal size of possible extension queue 2740. Compared 1106262 event pairs, 19623 based on Foata normal form. 1848/118213 useless extension candidates. Maximal degree in co-relation 263168. Up to 46241 conditions per place.
[2024-11-08 18:26:55,145 INFO L140 encePairwiseOnDemand]: 71/79 looper letters, 130 selfloop transitions, 15 changer transitions 0/177 dead transitions.
[2024-11-08 18:26:55,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 177 transitions, 808 flow
[2024-11-08 18:26:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 18:26:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:26:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 305 transitions.
[2024-11-08 18:26:55,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7721518987341772
[2024-11-08 18:26:55,148 INFO L175 Difference]: Start difference. First operand has 86 places, 84 transitions, 248 flow. Second operand 5 states and 305 transitions.
[2024-11-08 18:26:55,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 177 transitions, 808 flow
[2024-11-08 18:26:56,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 177 transitions, 800 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:26:56,198 INFO L231 Difference]: Finished difference. Result has 93 places, 93 transitions, 372 flow
[2024-11-08 18:26:56,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=372, PETRI_PLACES=93, PETRI_TRANSITIONS=93}
[2024-11-08 18:26:56,199 INFO L277 CegarLoopForPetriNet]: 78 programPoint places, 15 predicate places.
[2024-11-08 18:26:56,199 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 93 transitions, 372 flow
[2024-11-08 18:26:56,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:26:56,199 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:26:56,200 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:26:56,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:26:56,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-08 18:26:56,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:26:56,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1288361332, now seen corresponding path program 1 times
[2024-11-08 18:26:56,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:26:56,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198490556]
[2024-11-08 18:26:56,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:26:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:26:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:26:56,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:26:56,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198490556]
[2024-11-08 18:26:56,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198490556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:26:56,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:26:56,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:26:56,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669205053]
[2024-11-08 18:26:56,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:26:56,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:26:56,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:26:56,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:26:56,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:26:56,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 79
[2024-11-08 18:26:56,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 93 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 6 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:26:56,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:26:56,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 79
[2024-11-08 18:26:56,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:27:10,327 INFO L124 PetriNetUnfolderBase]: 86066/133829 cut-off events.
[2024-11-08 18:27:10,328 INFO L125 PetriNetUnfolderBase]: For 111116/114504 co-relation queries the response was YES.
[2024-11-08 18:27:10,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314371 conditions, 133829 events. 86066/133829 cut-off events. For 111116/114504 co-relation queries the response was YES. Maximal size of possible extension queue 2857. Compared 1153859 event pairs, 16793 based on Foata normal form. 1178/129686 useless extension candidates. Maximal degree in co-relation 314349. Up to 46913 conditions per place.
[2024-11-08 18:27:11,514 INFO L140 encePairwiseOnDemand]: 69/79 looper letters, 239 selfloop transitions, 21 changer transitions 0/290 dead transitions.
[2024-11-08 18:27:11,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 290 transitions, 1414 flow
[2024-11-08 18:27:11,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 18:27:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:27:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 535 transitions.
[2024-11-08 18:27:11,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7524613220815752
[2024-11-08 18:27:11,517 INFO L175 Difference]: Start difference. First operand has 93 places, 93 transitions, 372 flow. Second operand 9 states and 535 transitions.
[2024-11-08 18:27:11,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 290 transitions, 1414 flow
[2024-11-08 18:27:13,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 290 transitions, 1406 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-11-08 18:27:13,154 INFO L231 Difference]: Finished difference. Result has 106 places, 100 transitions, 488 flow
[2024-11-08 18:27:13,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=488, PETRI_PLACES=106, PETRI_TRANSITIONS=100}
[2024-11-08 18:27:13,156 INFO L277 CegarLoopForPetriNet]: 78 programPoint places, 28 predicate places.
[2024-11-08 18:27:13,156 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 100 transitions, 488 flow
[2024-11-08 18:27:13,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 6 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:27:13,157 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:27:13,157 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:27:13,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:27:13,157 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting processErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-08 18:27:13,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:27:13,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1284496144, now seen corresponding path program 1 times
[2024-11-08 18:27:13,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:27:13,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555535954]
[2024-11-08 18:27:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:27:13,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:27:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:27:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:27:13,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:27:13,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555535954]
[2024-11-08 18:27:13,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555535954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:27:13,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:27:13,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:27:13,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647498022]
[2024-11-08 18:27:13,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:27:13,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:27:13,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:27:13,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:27:13,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:27:13,393 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 79
[2024-11-08 18:27:13,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 488 flow. Second operand has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 6 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:27:13,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:27:13,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 79
[2024-11-08 18:27:13,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand