./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_tso.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_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/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_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/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_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/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 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:19:15,449 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:19:15,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:19:15,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:19:15,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:19:15,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:19:15,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:19:15,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:19:15,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:19:15,546 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:19:15,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:19:15,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:19:15,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:19:15,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:19:15,548 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:19:15,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:19:15,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:19:15,550 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:19:15,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:19:15,550 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:19:15,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:19:15,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:19:15,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:19:15,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:19:15,569 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:19:15,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:19:15,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:19:15,570 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:19:15,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:19:15,574 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:19:15,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:19:15,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:19:15,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:19:15,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:19:15,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:19:15,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:19:15,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:19:15,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:19:15,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:19:15,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:19:15,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:19:15,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:19:15,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:19:15,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:19:15,577 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_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81
[2024-11-08 16:19:15,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:19:15,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:19:15,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:19:15,903 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:19:15,903 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:19:15,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix023_tso.i
Unable to find full path for "g++"
[2024-11-08 16:19:17,961 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:19:18,224 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:19:18,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/sv-benchmarks/c/pthread-wmm/mix023_tso.i
[2024-11-08 16:19:18,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/data/9b7ddfffc/44c6c44e5ec94b148d0f6919008eb846/FLAGed8c1ba67
[2024-11-08 16:19:18,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/data/9b7ddfffc/44c6c44e5ec94b148d0f6919008eb846
[2024-11-08 16:19:18,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:19:18,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:19:18,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:19:18,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:19:18,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:19:18,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:19:18" (1/1) ...
[2024-11-08 16:19:18,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:18, skipping insertion in model container
[2024-11-08 16:19:18,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:19:18" (1/1) ...
[2024-11-08 16:19:18,620 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:19:19,278 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:19:19,290 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:19:19,399 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:19:19,441 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:19:19,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19 WrapperNode
[2024-11-08 16:19:19,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:19:19,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:19:19,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:19:19,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:19:19,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,538 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 283
[2024-11-08 16:19:19,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:19:19,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:19:19,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:19:19,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:19:19,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,598 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:19:19,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:19:19,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:19:19,644 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:19:19,644 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:19:19,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (1/1) ...
[2024-11-08 16:19:19,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:19:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:19:19,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:19:19,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:19:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 16:19:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:19:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 16:19:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 16:19:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 16:19:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 16:19:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 16:19:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 16:19:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-11-08 16:19:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-11-08 16:19:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:19:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 16:19:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:19:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:19:19,724 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 16:19:19,903 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:19:19,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:19:20,644 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:19:20,644 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:19:21,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:19:21,181 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:19:21,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:21 BoogieIcfgContainer
[2024-11-08 16:19:21,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:19:21,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:19:21,185 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:19:21,189 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:19:21,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:19:18" (1/3) ...
[2024-11-08 16:19:21,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbd9bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:19:21, skipping insertion in model container
[2024-11-08 16:19:21,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:19" (2/3) ...
[2024-11-08 16:19:21,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbd9bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:19:21, skipping insertion in model container
[2024-11-08 16:19:21,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:21" (3/3) ...
[2024-11-08 16:19:21,195 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_tso.i
[2024-11-08 16:19:21,219 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:19:21,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-08 16:19:21,219 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:19:21,330 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 16:19:21,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow
[2024-11-08 16:19:21,433 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events.
[2024-11-08 16:19:21,433 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:19:21,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 16:19:21,435 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow
[2024-11-08 16:19:21,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow
[2024-11-08 16:19:21,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:19:21,463 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;@43fe8f8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:19:21,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-08 16:19:21,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:19:21,476 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-08 16:19:21,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:19:21,476 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:21,477 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:21,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:19:21,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:21,483 INFO L85 PathProgramCache]: Analyzing trace with hash 479476015, now seen corresponding path program 1 times
[2024-11-08 16:19:21,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:21,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875994504]
[2024-11-08 16:19:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:21,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:21,924 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 16:19:21,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:21,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875994504]
[2024-11-08 16:19:21,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875994504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:21,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:21,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 16:19:21,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602512339]
[2024-11-08 16:19:21,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:21,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:21,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:21,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:21,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:21,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52
[2024-11-08 16:19:21,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 16:19:21,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:21,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52
[2024-11-08 16:19:21,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:32,266 INFO L124 PetriNetUnfolderBase]: 34243/45605 cut-off events.
[2024-11-08 16:19:32,266 INFO L125 PetriNetUnfolderBase]: For 222/222 co-relation queries the response was YES.
[2024-11-08 16:19:32,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91585 conditions, 45605 events. 34243/45605 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 2031. Compared 283884 event pairs, 12771 based on Foata normal form. 0/34887 useless extension candidates. Maximal degree in co-relation 91573. Up to 44073 conditions per place.
[2024-11-08 16:19:32,606 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 55 selfloop transitions, 5 changer transitions 0/71 dead transitions.
[2024-11-08 16:19:32,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 71 transitions, 283 flow
[2024-11-08 16:19:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions.
[2024-11-08 16:19:32,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7243589743589743
[2024-11-08 16:19:32,623 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 113 transitions.
[2024-11-08 16:19:32,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 71 transitions, 283 flow
[2024-11-08 16:19:32,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 71 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-08 16:19:32,642 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow
[2024-11-08 16:19:32,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2024-11-08 16:19:32,650 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places.
[2024-11-08 16:19:32,650 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow
[2024-11-08 16:19:32,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 16:19:32,651 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:32,652 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:32,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:19:32,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:19:32,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1647122026, now seen corresponding path program 1 times
[2024-11-08 16:19:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:32,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765448083]
[2024-11-08 16:19:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:32,906 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 16:19:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:32,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765448083]
[2024-11-08 16:19:32,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765448083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:32,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:32,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:19:32,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868746505]
[2024-11-08 16:19:32,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:32,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:19:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:19:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:19:32,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52
[2024-11-08 16:19:32,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 16:19:32,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:32,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52
[2024-11-08 16:19:32,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:38,829 INFO L124 PetriNetUnfolderBase]: 20213/27075 cut-off events.
[2024-11-08 16:19:38,829 INFO L125 PetriNetUnfolderBase]: For 1931/1931 co-relation queries the response was YES.
[2024-11-08 16:19:38,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63092 conditions, 27075 events. 20213/27075 cut-off events. For 1931/1931 co-relation queries the response was YES. Maximal size of possible extension queue 1267. Compared 164409 event pairs, 6381 based on Foata normal form. 0/23293 useless extension candidates. Maximal degree in co-relation 63081. Up to 25542 conditions per place.
[2024-11-08 16:19:39,009 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 51 selfloop transitions, 5 changer transitions 0/67 dead transitions.
[2024-11-08 16:19:39,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 67 transitions, 291 flow
[2024-11-08 16:19:39,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:19:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:19:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions.
[2024-11-08 16:19:39,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769
[2024-11-08 16:19:39,011 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 120 transitions.
[2024-11-08 16:19:39,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 67 transitions, 291 flow
[2024-11-08 16:19:39,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:19:39,018 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow
[2024-11-08 16:19:39,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48}
[2024-11-08 16:19:39,019 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-11-08 16:19:39,020 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow
[2024-11-08 16:19:39,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 16:19:39,021 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:39,021 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:39,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:19:39,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:19:39,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1647122025, now seen corresponding path program 1 times
[2024-11-08 16:19:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:39,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013977]
[2024-11-08 16:19:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:39,242 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 16:19:39,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013977]
[2024-11-08 16:19:39,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013977] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:39,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:39,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:19:39,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969608511]
[2024-11-08 16:19:39,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:39,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:19:39,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:39,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:19:39,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:19:39,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52
[2024-11-08 16:19:39,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 16:19:39,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:39,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52
[2024-11-08 16:19:39,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:44,530 INFO L124 PetriNetUnfolderBase]: 14251/19301 cut-off events.
[2024-11-08 16:19:44,530 INFO L125 PetriNetUnfolderBase]: For 2968/2968 co-relation queries the response was YES.
[2024-11-08 16:19:44,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44077 conditions, 19301 events. 14251/19301 cut-off events. For 2968/2968 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 114839 event pairs, 2363 based on Foata normal form. 0/17871 useless extension candidates. Maximal degree in co-relation 44065. Up to 13121 conditions per place.
[2024-11-08 16:19:44,655 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 72 selfloop transitions, 9 changer transitions 0/92 dead transitions.
[2024-11-08 16:19:44,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 92 transitions, 408 flow
[2024-11-08 16:19:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:19:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:19:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 145 transitions.
[2024-11-08 16:19:44,658 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6971153846153846
[2024-11-08 16:19:44,658 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 145 transitions.
[2024-11-08 16:19:44,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 92 transitions, 408 flow
[2024-11-08 16:19:44,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 92 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:19:44,663 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow
[2024-11-08 16:19:44,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2024-11-08 16:19:44,665 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places.
[2024-11-08 16:19:44,665 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow
[2024-11-08 16:19:44,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 16:19:44,666 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:44,666 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:44,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:19:44,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:19:44,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1904191677, now seen corresponding path program 1 times
[2024-11-08 16:19:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326743409]
[2024-11-08 16:19:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:44,920 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 16:19:44,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:44,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326743409]
[2024-11-08 16:19:44,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326743409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:44,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:44,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:19:44,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728613213]
[2024-11-08 16:19:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:44,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:19:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:19:44,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:19:44,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52
[2024-11-08 16:19:44,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 16:19:44,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:44,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52
[2024-11-08 16:19:44,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:48,703 INFO L124 PetriNetUnfolderBase]: 11347/15365 cut-off events.
[2024-11-08 16:19:48,704 INFO L125 PetriNetUnfolderBase]: For 7197/7197 co-relation queries the response was YES.
[2024-11-08 16:19:48,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39260 conditions, 15365 events. 11347/15365 cut-off events. For 7197/7197 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 90760 event pairs, 1119 based on Foata normal form. 0/15111 useless extension candidates. Maximal degree in co-relation 39247. Up to 5424 conditions per place.
[2024-11-08 16:19:48,824 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 87 selfloop transitions, 13 changer transitions 4/115 dead transitions.
[2024-11-08 16:19:48,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 115 transitions, 554 flow
[2024-11-08 16:19:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:19:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:19:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 183 transitions.
[2024-11-08 16:19:48,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7038461538461539
[2024-11-08 16:19:48,828 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 183 transitions.
[2024-11-08 16:19:48,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 115 transitions, 554 flow
[2024-11-08 16:19:48,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 115 transitions, 536 flow, removed 4 selfloop flow, removed 2 redundant places.
[2024-11-08 16:19:48,846 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow
[2024-11-08 16:19:48,848 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52}
[2024-11-08 16:19:48,850 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places.
[2024-11-08 16:19:48,851 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow
[2024-11-08 16:19:48,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 16:19:48,851 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:48,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:48,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:19:48,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:19:48,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:48,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1318718801, now seen corresponding path program 1 times
[2024-11-08 16:19:48,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:48,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342026853]
[2024-11-08 16:19:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:48,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:49,308 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 16:19:49,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:49,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342026853]
[2024-11-08 16:19:49,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342026853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:49,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:49,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:19:49,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896014444]
[2024-11-08 16:19:49,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:49,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:19:49,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:19:49,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:19:49,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 52
[2024-11-08 16:19:49,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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 16:19:49,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:49,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 52
[2024-11-08 16:19:49,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:52,108 INFO L124 PetriNetUnfolderBase]: 10531/14261 cut-off events.
[2024-11-08 16:19:52,108 INFO L125 PetriNetUnfolderBase]: For 11901/11901 co-relation queries the response was YES.
[2024-11-08 16:19:52,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37371 conditions, 14261 events. 10531/14261 cut-off events. For 11901/11901 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 85501 event pairs, 975 based on Foata normal form. 192/14391 useless extension candidates. Maximal degree in co-relation 37357. Up to 5424 conditions per place.
[2024-11-08 16:19:52,141 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions.
[2024-11-08 16:19:52,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 107 transitions, 506 flow
[2024-11-08 16:19:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:19:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:19:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions.
[2024-11-08 16:19:52,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6089743589743589
[2024-11-08 16:19:52,143 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 190 transitions.
[2024-11-08 16:19:52,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 107 transitions, 506 flow
[2024-11-08 16:19:52,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 107 transitions, 451 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-08 16:19:52,356 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow
[2024-11-08 16:19:52,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0}
[2024-11-08 16:19:52,357 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-11-08 16:19:52,357 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow
[2024-11-08 16:19:52,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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 16:19:52,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2024-11-08 16:19:52,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2024-11-08 16:19:52,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2024-11-08 16:19:52,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2024-11-08 16:19:52,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2024-11-08 16:19:52,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2024-11-08 16:19:52,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2024-11-08 16:19:52,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2024-11-08 16:19:52,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2024-11-08 16:19:52,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2024-11-08 16:19:52,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2024-11-08 16:19:52,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2024-11-08 16:19:52,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2024-11-08 16:19:52,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2024-11-08 16:19:52,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2024-11-08 16:19:52,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2024-11-08 16:19:52,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2024-11-08 16:19:52,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2024-11-08 16:19:52,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2024-11-08 16:19:52,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2024-11-08 16:19:52,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:19:52,368 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-08 16:19:52,375 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 16:19:52,375 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:19:52,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:19:52 BasicIcfg
[2024-11-08 16:19:52,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:19:52,387 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:19:52,387 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:19:52,387 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:19:52,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:21" (3/4) ...
[2024-11-08 16:19:52,390 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:19:52,393 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-08 16:19:52,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-08 16:19:52,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-08 16:19:52,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2024-11-08 16:19:52,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges
[2024-11-08 16:19:52,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-11-08 16:19:52,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-08 16:19:52,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-08 16:19:52,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:19:52,540 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:19:52,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:19:52,541 INFO L158 Benchmark]: Toolchain (without parser) took 33996.69ms. Allocated memory was 169.9MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 108.7MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,541 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 121.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:19:52,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.82ms. Allocated memory is still 169.9MB. Free memory was 108.6MB in the beginning and 120.9MB in the end (delta: -12.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.52ms. Allocated memory is still 169.9MB. Free memory was 120.9MB in the beginning and 116.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,544 INFO L158 Benchmark]: Boogie Preprocessor took 104.36ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 109.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,545 INFO L158 Benchmark]: RCFGBuilder took 1537.85ms. Allocated memory was 169.9MB in the beginning and 222.3MB in the end (delta: 52.4MB). Free memory was 109.8MB in the beginning and 163.1MB in the end (delta: -53.3MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,545 INFO L158 Benchmark]: TraceAbstraction took 31201.06ms. Allocated memory was 222.3MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 162.1MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,545 INFO L158 Benchmark]: Witness Printer took 153.74ms. Allocated memory is still 8.4GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:19:52,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.31ms. Allocated memory is still 121.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 892.82ms. Allocated memory is still 169.9MB. Free memory was 108.6MB in the beginning and 120.9MB in the end (delta: -12.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 95.52ms. Allocated memory is still 169.9MB. Free memory was 120.9MB in the beginning and 116.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 104.36ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 109.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1537.85ms. Allocated memory was 169.9MB in the beginning and 222.3MB in the end (delta: 52.4MB). Free memory was 109.8MB in the beginning and 163.1MB in the end (delta: -53.3MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 31201.06ms. Allocated memory was 222.3MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 162.1MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
* Witness Printer took 153.74ms. Allocated memory is still 8.4GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 783]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 829]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 829]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 854]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 854]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 905]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 905]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 31.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 517 IncrementalHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 517 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:19:52,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb5ce4f-c8b1-4975-bb59-f947ca41b183/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE