./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_power.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
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_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/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_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:51:15,140 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:51:15,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:51:15,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:51:15,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:51:15,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:51:15,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:51:15,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:51:15,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:51:15,280 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:51:15,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:51:15,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:51:15,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:51:15,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:51:15,283 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:51:15,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:51:15,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:51:15,284 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:51:15,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:51:15,285 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:51:15,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:51:15,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:51:15,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:51:15,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:51:15,287 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:51:15,288 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:51:15,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:51:15,289 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:51:15,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:51:15,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:51:15,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:51:15,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:51:15,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:51:15,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:51:15,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:51:15,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:51:15,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:51:15,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:51:15,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:51:15,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:51:15,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:51:15,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:51:15,295 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_95ad070d-aba8-4c0f-abba-a2e6e8054c52/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6
[2024-11-08 18:51:15,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:51:15,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:51:15,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:51:15,644 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:51:15,645 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:51:15,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/safe025_power.i
Unable to find full path for "g++"
[2024-11-08 18:51:17,656 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:51:17,907 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:51:17,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/sv-benchmarks/c/pthread-wmm/safe025_power.i
[2024-11-08 18:51:17,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/data/06e720bc0/33d906eda5494174b259fc5f276d27d9/FLAG8f63292e2
[2024-11-08 18:51:17,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/data/06e720bc0/33d906eda5494174b259fc5f276d27d9
[2024-11-08 18:51:17,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:51:17,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:51:17,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:51:17,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:51:17,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:51:17,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:17" (1/1) ...
[2024-11-08 18:51:17,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f0978c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:17, skipping insertion in model container
[2024-11-08 18:51:17,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:17" (1/1) ...
[2024-11-08 18:51:18,011 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:51:18,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003]
[2024-11-08 18:51:18,530 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:51:18,549 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:51:18,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003]
[2024-11-08 18:51:18,664 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:51:18,708 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:51:18,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18 WrapperNode
[2024-11-08 18:51:18,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:51:18,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:51:18,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:51:18,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:51:18,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,791 INFO L138 Inliner]: procedures = 175, calls = 74, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 219
[2024-11-08 18:51:18,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:51:18,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:51:18,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:51:18,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:51:18,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,854 INFO L175 MemorySlicer]: Split 30 memory accesses to 2 slices as follows [2, 28]. 93 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 9 writes are split as follows [0, 9].
[2024-11-08 18:51:18,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:51:18,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:51:18,903 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:51:18,903 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:51:18,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (1/1) ...
[2024-11-08 18:51:18,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:51:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:51:18,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:51:18,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:51:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:51:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:51:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:51:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:51:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:51:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:51:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:51:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:51:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:51:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:51:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 18:51:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 18:51:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:51:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:51:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:51:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:51:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:51:18,986 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:51:19,164 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:51:19,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:51:19,910 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:51:19,910 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:51:20,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:51:20,530 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:51:20,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:20 BoogieIcfgContainer
[2024-11-08 18:51:20,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:51:20,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:51:20,534 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:51:20,539 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:51:20,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:17" (1/3) ...
[2024-11-08 18:51:20,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d55935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:20, skipping insertion in model container
[2024-11-08 18:51:20,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:18" (2/3) ...
[2024-11-08 18:51:20,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d55935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:20, skipping insertion in model container
[2024-11-08 18:51:20,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:20" (3/3) ...
[2024-11-08 18:51:20,545 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i
[2024-11-08 18:51:20,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:51:20,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-08 18:51:20,566 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:51:20,712 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:51:20,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 94 flow
[2024-11-08 18:51:20,816 INFO L124 PetriNetUnfolderBase]: 1/38 cut-off events.
[2024-11-08 18:51:20,817 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:51:20,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 1/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 78 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place.
[2024-11-08 18:51:20,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 41 transitions, 94 flow
[2024-11-08 18:51:20,828 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 38 transitions, 85 flow
[2024-11-08 18:51:20,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:51:20,851 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;@21a0d52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:51:20,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-08 18:51:20,861 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:51:20,861 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events.
[2024-11-08 18:51:20,861 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:51:20,862 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:51:20,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:51:20,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2024-11-08 18:51:20,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:51:20,869 INFO L85 PathProgramCache]: Analyzing trace with hash 23960358, now seen corresponding path program 1 times
[2024-11-08 18:51:20,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:51:20,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356332074]
[2024-11-08 18:51:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:51:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:51:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:51:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:51:21,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:51:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356332074]
[2024-11-08 18:51:21,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356332074] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:51:21,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:51:21,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:51:21,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292364496]
[2024-11-08 18:51:21,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:51:21,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:51:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:51:21,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:51:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:51:21,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41
[2024-11-08 18:51:21,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:51:21,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:51:21,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41
[2024-11-08 18:51:21,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:51:22,721 INFO L124 PetriNetUnfolderBase]: 1121/1823 cut-off events.
[2024-11-08 18:51:22,722 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES.
[2024-11-08 18:51:22,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3540 conditions, 1823 events. 1121/1823 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 11727 event pairs, 116 based on Foata normal form. 72/1776 useless extension candidates. Maximal degree in co-relation 3529. Up to 1456 conditions per place.
[2024-11-08 18:51:22,750 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 33 selfloop transitions, 2 changer transitions 0/49 dead transitions.
[2024-11-08 18:51:22,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 49 transitions, 180 flow
[2024-11-08 18:51:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 18:51:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:51:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions.
[2024-11-08 18:51:22,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7235772357723578
[2024-11-08 18:51:22,771 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 85 flow. Second operand 3 states and 89 transitions.
[2024-11-08 18:51:22,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 49 transitions, 180 flow
[2024-11-08 18:51:22,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:51:22,781 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 82 flow
[2024-11-08 18:51:22,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-08 18:51:22,790 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places.
[2024-11-08 18:51:22,790 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 82 flow
[2024-11-08 18:51:22,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:51:22,791 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:51:22,791 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:51:22,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:51:22,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2024-11-08 18:51:22,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:51:22,793 INFO L85 PathProgramCache]: Analyzing trace with hash 742771985, now seen corresponding path program 1 times
[2024-11-08 18:51:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:51:22,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139510169]
[2024-11-08 18:51:22,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:51:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:51:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:51:22,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:51:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:51:22,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:51:22,912 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:51:22,914 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining)
[2024-11-08 18:51:22,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining)
[2024-11-08 18:51:22,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining)
[2024-11-08 18:51:22,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining)
[2024-11-08 18:51:22,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining)
[2024-11-08 18:51:22,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining)
[2024-11-08 18:51:22,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining)
[2024-11-08 18:51:22,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining)
[2024-11-08 18:51:22,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:51:22,920 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 18:51:22,984 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:51:22,984 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:51:22,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:22 BasicIcfg
[2024-11-08 18:51:22,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:51:22,994 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:51:22,994 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:51:22,994 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:51:22,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:20" (3/4) ...
[2024-11-08 18:51:22,996 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:51:23,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:51:23,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:51:23,089 INFO L158 Benchmark]: Toolchain (without parser) took 5137.93ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 105.7MB in the beginning and 109.8MB in the end (delta: -4.1MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,089 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:51:23,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.00ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 75.8MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.82ms. Allocated memory is still 144.7MB. Free memory was 75.8MB in the beginning and 72.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,090 INFO L158 Benchmark]: Boogie Preprocessor took 107.89ms. Allocated memory is still 144.7MB. Free memory was 72.6MB in the beginning and 66.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,091 INFO L158 Benchmark]: RCFGBuilder took 1627.97ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 48.7MB in the end (delta: 18.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,091 INFO L158 Benchmark]: TraceAbstraction took 2459.49ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 48.7MB in the beginning and 116.1MB in the end (delta: -67.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-11-08 18:51:23,092 INFO L158 Benchmark]: Witness Printer took 94.14ms. Allocated memory is still 232.8MB. 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 18:51:23,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 757.00ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 75.8MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 81.82ms. Allocated memory is still 144.7MB. Free memory was 75.8MB in the beginning and 72.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 107.89ms. Allocated memory is still 144.7MB. Free memory was 72.6MB in the beginning and 66.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* RCFGBuilder took 1627.97ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 48.7MB in the end (delta: 18.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 2459.49ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 48.7MB in the beginning and 116.1MB in the end (delta: -67.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
* Witness Printer took 94.14ms. Allocated memory is still 232.8MB. 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.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L710] 0 int __unbuffered_cnt = 0;
[L712] 0 int __unbuffered_p0_EAX = 0;
[L714] 0 int __unbuffered_p2_EAX = 0;
[L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed;
[L716] 0 int __unbuffered_p2_EAX$mem_tmp;
[L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0;
[L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1;
[L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2;
[L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3;
[L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0;
[L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1;
[L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2;
[L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3;
[L725] 0 _Bool __unbuffered_p2_EAX$read_delayed;
[L726] 0 int *__unbuffered_p2_EAX$read_delayed_var;
[L727] 0 int __unbuffered_p2_EAX$w_buff0;
[L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used;
[L729] 0 int __unbuffered_p2_EAX$w_buff1;
[L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used;
[L732] 0 int __unbuffered_p2_EBX = 0;
[L733] 0 _Bool main$tmp_guard0;
[L734] 0 _Bool main$tmp_guard1;
[L736] 0 int x = 0;
[L736] 0 int x = 0;
[L737] 0 _Bool x$flush_delayed;
[L738] 0 int x$mem_tmp;
[L739] 0 _Bool x$r_buff0_thd0;
[L740] 0 _Bool x$r_buff0_thd1;
[L741] 0 _Bool x$r_buff0_thd2;
[L742] 0 _Bool x$r_buff0_thd3;
[L743] 0 _Bool x$r_buff1_thd0;
[L744] 0 _Bool x$r_buff1_thd1;
[L745] 0 _Bool x$r_buff1_thd2;
[L746] 0 _Bool x$r_buff1_thd3;
[L747] 0 _Bool x$read_delayed;
[L748] 0 int *x$read_delayed_var;
[L749] 0 int x$w_buff0;
[L750] 0 _Bool x$w_buff0_used;
[L751] 0 int x$w_buff1;
[L752] 0 _Bool x$w_buff1_used;
[L754] 0 int y = 0;
[L755] 0 _Bool weak$$choice0;
[L756] 0 _Bool weak$$choice1;
[L757] 0 _Bool weak$$choice2;
[L873] 0 pthread_t t2369;
[L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L875] 0 pthread_t t2370;
[L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2369=-1, t2370=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L791] 2 x$w_buff1 = x$w_buff0
[L792] 2 x$w_buff0 = 1
[L793] 2 x$w_buff1_used = x$w_buff0_used
[L794] 2 x$w_buff0_used = (_Bool)1
[L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19] COND FALSE 2 !(!expression)
[L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0
[L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1
[L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2
[L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3
[L800] 2 x$r_buff0_thd2 = (_Bool)1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L803] 2 x$w_buff1 = x$w_buff0
[L804] 2 x$w_buff0 = 2
[L805] 2 x$w_buff1_used = x$w_buff0_used
[L806] 2 x$w_buff0_used = (_Bool)1
[L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19] COND TRUE 2 !expression
[L19] 2 reach_error()
VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, x={3:0}, y=0]
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 68 locations, 8 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: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 18:51:23,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ad070d-aba8-4c0f-abba-a2e6e8054c52/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE