./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/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_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/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_bef22be6-3b20-478d-9583-acb7cbc83ea7/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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:26:09,782 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:26:09,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:26:09,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:26:09,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:26:09,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:26:09,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:26:09,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:26:09,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:26:09,919 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:26:09,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:26:09,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:26:09,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:26:09,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:26:09,926 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:26:09,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:26:09,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:26:09,927 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:26:09,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:26:09,928 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:26:09,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:26:09,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:26:09,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:26:09,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:26:09,933 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:26:09,933 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:26:09,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:26:09,934 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:26:09,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:26:09,935 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:26:09,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:26:09,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:26:09,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:26:09,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:26:09,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:26:09,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:26:09,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:26:09,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:26:09,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:26:09,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:26:09,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:26:09,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:26:09,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:26:09,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:26:09,942 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_bef22be6-3b20-478d-9583-acb7cbc83ea7/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827
[2024-11-08 16:26:10,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:26:10,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:26:10,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:26:10,283 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:26:10,284 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:26:10,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i
Unable to find full path for "g++"
[2024-11-08 16:26:12,246 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:26:12,545 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:26:12,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/sv-benchmarks/c/pthread-wmm/mix055.opt.i
[2024-11-08 16:26:12,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/data/ab28b7e6a/79e7e7ba1cf74344a5aea2748df3cf04/FLAGaeb644537
[2024-11-08 16:26:12,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/data/ab28b7e6a/79e7e7ba1cf74344a5aea2748df3cf04
[2024-11-08 16:26:12,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:26:12,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:26:12,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:26:12,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:26:12,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:26:12,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:12" (1/1) ...
[2024-11-08 16:26:12,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4722fed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:12, skipping insertion in model container
[2024-11-08 16:26:12,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:12" (1/1) ...
[2024-11-08 16:26:12,678 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:26:13,286 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:26:13,298 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:26:13,389 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:26:13,442 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:26:13,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13 WrapperNode
[2024-11-08 16:26:13,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:26:13,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:26:13,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:26:13,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:26:13,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,529 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151
[2024-11-08 16:26:13,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:26:13,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:26:13,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:26:13,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:26:13,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,579 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 16:26:13,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:26:13,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:26:13,610 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:26:13,610 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:26:13,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (1/1) ...
[2024-11-08 16:26:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:26:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:26:13,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:26:13,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:26:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 16:26:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:26:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 16:26:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 16:26:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 16:26:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 16:26:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 16:26:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 16:26:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-11-08 16:26:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-11-08 16:26:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:26:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 16:26:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:26:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:26:13,702 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 16:26:13,854 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:26:13,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:26:14,255 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:26:14,255 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:26:14,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:26:14,593 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:26:14,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:14 BoogieIcfgContainer
[2024-11-08 16:26:14,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:26:14,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:26:14,598 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:26:14,603 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:26:14,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:26:12" (1/3) ...
[2024-11-08 16:26:14,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49108fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:14, skipping insertion in model container
[2024-11-08 16:26:14,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:13" (2/3) ...
[2024-11-08 16:26:14,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49108fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:14, skipping insertion in model container
[2024-11-08 16:26:14,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:14" (3/3) ...
[2024-11-08 16:26:14,607 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055.opt.i
[2024-11-08 16:26:14,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:26:14,628 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-08 16:26:14,628 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:26:14,696 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 16:26:14,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow
[2024-11-08 16:26:14,787 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events.
[2024-11-08 16:26:14,788 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:26:14,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 16:26:14,791 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow
[2024-11-08 16:26:14,795 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow
[2024-11-08 16:26:14,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:26:14,820 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;@5cb164f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:26:14,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-08 16:26:14,829 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:26:14,830 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-08 16:26:14,830 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 16:26:14,830 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:26:14,831 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:26:14,831 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 16:26:14,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 981699630, now seen corresponding path program 1 times
[2024-11-08 16:26:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:14,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444283526]
[2024-11-08 16:26:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:14,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:26:15,115 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 16:26:15,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:26:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444283526]
[2024-11-08 16:26:15,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444283526] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:26:15,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:26:15,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 16:26:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672447549]
[2024-11-08 16:26:15,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:26:15,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:26:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:26:15,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:26:15,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:26:15,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50
[2024-11-08 16:26:15,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 16:26:15,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:26:15,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50
[2024-11-08 16:26:15,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:26:18,961 INFO L124 PetriNetUnfolderBase]: 16257/21807 cut-off events.
[2024-11-08 16:26:18,961 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-11-08 16:26:19,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43873 conditions, 21807 events. 16257/21807 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 2091. Compared 145830 event pairs, 8007 based on Foata normal form. 0/15044 useless extension candidates. Maximal degree in co-relation 43861. Up to 21703 conditions per place.
[2024-11-08 16:26:19,163 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions.
[2024-11-08 16:26:19,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 249 flow
[2024-11-08 16:26:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:26:19,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:26:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions.
[2024-11-08 16:26:19,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7466666666666667
[2024-11-08 16:26:19,179 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 112 transitions.
[2024-11-08 16:26:19,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 249 flow
[2024-11-08 16:26:19,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-08 16:26:19,187 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow
[2024-11-08 16:26:19,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=50}
[2024-11-08 16:26:19,197 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places.
[2024-11-08 16:26:19,197 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow
[2024-11-08 16:26:19,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 16:26:19,198 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:26:19,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:26:19,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:26:19,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:26:19,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:19,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1669813797, now seen corresponding path program 1 times
[2024-11-08 16:26:19,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:19,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113684539]
[2024-11-08 16:26:19,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:19,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:26:19,360 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 16:26:19,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:26:19,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113684539]
[2024-11-08 16:26:19,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113684539] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:26:19,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:26:19,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:26:19,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305312528]
[2024-11-08 16:26:19,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:26:19,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:26:19,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:26:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:26:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:26:19,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50
[2024-11-08 16:26:19,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 16:26:19,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:26:19,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50
[2024-11-08 16:26:19,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:26:22,229 INFO L124 PetriNetUnfolderBase]: 12927/18053 cut-off events.
[2024-11-08 16:26:22,230 INFO L125 PetriNetUnfolderBase]: For 1135/1135 co-relation queries the response was YES.
[2024-11-08 16:26:22,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43252 conditions, 18053 events. 12927/18053 cut-off events. For 1135/1135 co-relation queries the response was YES. Maximal size of possible extension queue 1612. Compared 122978 event pairs, 2839 based on Foata normal form. 0/14042 useless extension candidates. Maximal degree in co-relation 43241. Up to 10717 conditions per place.
[2024-11-08 16:26:22,363 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 61 selfloop transitions, 13 changer transitions 0/88 dead transitions.
[2024-11-08 16:26:22,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 88 transitions, 397 flow
[2024-11-08 16:26:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:26:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:26:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions.
[2024-11-08 16:26:22,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75
[2024-11-08 16:26:22,371 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 150 transitions.
[2024-11-08 16:26:22,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 88 transitions, 397 flow
[2024-11-08 16:26:22,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 88 transitions, 392 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:26:22,374 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 245 flow
[2024-11-08 16:26:22,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=245, PETRI_PLACES=62, PETRI_TRANSITIONS=58}
[2024-11-08 16:26:22,376 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places.
[2024-11-08 16:26:22,376 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 245 flow
[2024-11-08 16:26:22,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 16:26:22,377 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:26:22,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:26:22,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:26:22,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2024-11-08 16:26:22,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:22,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1669813796, now seen corresponding path program 1 times
[2024-11-08 16:26:22,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:22,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253743800]
[2024-11-08 16:26:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:26:22,511 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 16:26:22,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:26:22,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253743800]
[2024-11-08 16:26:22,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253743800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:26:22,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:26:22,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:26:22,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033029063]
[2024-11-08 16:26:22,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:26:22,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:26:22,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:26:22,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:26:22,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:26:22,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50
[2024-11-08 16:26:22,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 16:26:22,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:26:22,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50
[2024-11-08 16:26:22,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:26:24,028 INFO L124 PetriNetUnfolderBase]: 5445/7507 cut-off events.
[2024-11-08 16:26:24,028 INFO L125 PetriNetUnfolderBase]: For 6787/6787 co-relation queries the response was YES.
[2024-11-08 16:26:24,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20735 conditions, 7507 events. 5445/7507 cut-off events. For 6787/6787 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 45081 event pairs, 2007 based on Foata normal form. 1456/7944 useless extension candidates. Maximal degree in co-relation 20721. Up to 7402 conditions per place.
[2024-11-08 16:26:24,089 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions.
[2024-11-08 16:26:24,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 323 flow
[2024-11-08 16:26:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:26:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 16:26:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions.
[2024-11-08 16:26:24,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.61
[2024-11-08 16:26:24,092 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 245 flow. Second operand 4 states and 122 transitions.
[2024-11-08 16:26:24,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 323 flow
[2024-11-08 16:26:24,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 64 transitions, 300 flow, removed 4 selfloop flow, removed 3 redundant places.
[2024-11-08 16:26:24,119 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 176 flow
[2024-11-08 16:26:24,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=58, PETRI_TRANSITIONS=50}
[2024-11-08 16:26:24,120 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places.
[2024-11-08 16:26:24,121 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 176 flow
[2024-11-08 16:26:24,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 16:26:24,121 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:26:24,121 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]
[2024-11-08 16:26:24,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:26:24,122 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 16:26:24,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:24,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1988298604, now seen corresponding path program 1 times
[2024-11-08 16:26:24,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:24,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180841782]
[2024-11-08 16:26:24,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:26:24,298 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 16:26:24,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:26:24,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180841782]
[2024-11-08 16:26:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180841782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:26:24,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:26:24,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:26:24,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687605233]
[2024-11-08 16:26:24,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:26:24,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:26:24,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:26:24,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:26:24,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:26:24,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50
[2024-11-08 16:26:24,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 16:26:24,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:26:24,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50
[2024-11-08 16:26:24,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:26:25,475 INFO L124 PetriNetUnfolderBase]: 3561/4951 cut-off events.
[2024-11-08 16:26:25,475 INFO L125 PetriNetUnfolderBase]: For 2267/2267 co-relation queries the response was YES.
[2024-11-08 16:26:25,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12612 conditions, 4951 events. 3561/4951 cut-off events. For 2267/2267 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 27735 event pairs, 183 based on Foata normal form. 0/4748 useless extension candidates. Maximal degree in co-relation 12599. Up to 2601 conditions per place.
[2024-11-08 16:26:25,506 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 67 selfloop transitions, 13 changer transitions 4/98 dead transitions.
[2024-11-08 16:26:25,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 98 transitions, 468 flow
[2024-11-08 16:26:25,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:26:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 16:26:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions.
[2024-11-08 16:26:25,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.712
[2024-11-08 16:26:25,508 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 176 flow. Second operand 5 states and 178 transitions.
[2024-11-08 16:26:25,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 98 transitions, 468 flow
[2024-11-08 16:26:25,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 98 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:26:25,512 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow
[2024-11-08 16:26:25,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=61, PETRI_TRANSITIONS=50}
[2024-11-08 16:26:25,513 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places.
[2024-11-08 16:26:25,513 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow
[2024-11-08 16:26:25,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 16:26:25,514 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:26:25,514 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]
[2024-11-08 16:26:25,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:26:25,515 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 16:26:25,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash -478005630, now seen corresponding path program 1 times
[2024-11-08 16:26:25,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:25,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737650271]
[2024-11-08 16:26:25,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:25,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:26:25,729 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 16:26:25,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:26:25,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737650271]
[2024-11-08 16:26:25,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737650271] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:26:25,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:26:25,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:26:25,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944190934]
[2024-11-08 16:26:25,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:26:25,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:26:25,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:26:25,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:26:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:26:25,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50
[2024-11-08 16:26:25,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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 16:26:25,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:26:25,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50
[2024-11-08 16:26:25,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:26:26,456 INFO L124 PetriNetUnfolderBase]: 2745/3847 cut-off events.
[2024-11-08 16:26:26,456 INFO L125 PetriNetUnfolderBase]: For 4691/4691 co-relation queries the response was YES.
[2024-11-08 16:26:26,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11259 conditions, 3847 events. 2745/3847 cut-off events. For 4691/4691 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 21850 event pairs, 39 based on Foata normal form. 192/4028 useless extension candidates. Maximal degree in co-relation 11245. Up to 1596 conditions per place.
[2024-11-08 16:26:26,468 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions.
[2024-11-08 16:26:26,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 90 transitions, 432 flow
[2024-11-08 16:26:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:26:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:26:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 188 transitions.
[2024-11-08 16:26:26,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6266666666666667
[2024-11-08 16:26:26,470 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 188 transitions.
[2024-11-08 16:26:26,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 90 transitions, 432 flow
[2024-11-08 16:26:26,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 90 transitions, 377 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-08 16:26:26,495 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow
[2024-11-08 16:26:26,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0}
[2024-11-08 16:26:26,496 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places.
[2024-11-08 16:26:26,496 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow
[2024-11-08 16:26:26,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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 16:26:26,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2024-11-08 16:26:26,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2024-11-08 16:26:26,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2024-11-08 16:26:26,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2024-11-08 16:26:26,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2024-11-08 16:26:26,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2024-11-08 16:26:26,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2024-11-08 16:26:26,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2024-11-08 16:26:26,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2024-11-08 16:26:26,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2024-11-08 16:26:26,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2024-11-08 16:26:26,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2024-11-08 16:26:26,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2024-11-08 16:26:26,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2024-11-08 16:26:26,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2024-11-08 16:26:26,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2024-11-08 16:26:26,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2024-11-08 16:26:26,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2024-11-08 16:26:26,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2024-11-08 16:26:26,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2024-11-08 16:26:26,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:26:26,509 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-08 16:26:26,515 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 16:26:26,516 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:26:26,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:26:26 BasicIcfg
[2024-11-08 16:26:26,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:26:26,523 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:26:26,523 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:26:26,523 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:26:26,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:14" (3/4) ...
[2024-11-08 16:26:26,526 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:26:26,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-08 16:26:26,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-08 16:26:26,529 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-08 16:26:26,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2024-11-08 16:26:26,540 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges
[2024-11-08 16:26:26,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-08 16:26:26,542 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 16:26:26,542 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:26:26,662 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:26:26,663 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:26:26,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:26:26,664 INFO L158 Benchmark]: Toolchain (without parser) took 14068.50ms. Allocated memory was 144.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 104.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 618.0MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,665 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:26:26,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.06ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 95.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.45ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 92.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,666 INFO L158 Benchmark]: Boogie Preprocessor took 78.64ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 88.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,666 INFO L158 Benchmark]: RCFGBuilder took 983.42ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 106.1MB in the end (delta: -17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,667 INFO L158 Benchmark]: TraceAbstraction took 11926.90ms. Allocated memory was 144.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 105.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 614.1MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,667 INFO L158 Benchmark]: Witness Printer took 140.49ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:26:26,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.28ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 846.06ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 95.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 85.45ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 92.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 78.64ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 88.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 983.42ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 106.1MB in the end (delta: -17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 11926.90ms. Allocated memory was 144.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 105.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 614.1MB. Max. memory is 16.1GB.
* Witness Printer took 140.49ms. Allocated memory is still 2.5GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 756]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 756]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 791]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 791]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 821]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 821]: 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, 91 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: 11.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1 mSDtfsCounter, 440 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=245occurred in iteration=2, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 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 16:26:26,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef22be6-3b20-478d-9583-acb7cbc83ea7/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