./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/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_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/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_4ec85b3e-c6b5-437e-b124-f11c518af847/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 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:35:34,490 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:35:34,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 17:35:34,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:35:34,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:35:34,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:35:34,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:35:34,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:35:34,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:35:34,658 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:35:34,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:35:34,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:35:34,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:35:34,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:35:34,663 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:35:34,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:35:34,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:35:34,664 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:35:34,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:35:34,664 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:35:34,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:35:34,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:35:34,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:35:34,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:35:34,670 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:35:34,670 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:35:34,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:35:34,670 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:35:34,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:35:34,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:35:34,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:35:34,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:35:34,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:35:34,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:35:34,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:35:34,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:35:34,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:35:34,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:35:34,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:35:34,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:35:34,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:35:34,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:35:34,675 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_4ec85b3e-c6b5-437e-b124-f11c518af847/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99
[2024-11-08 17:35:35,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:35:35,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:35:35,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:35:35,035 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:35:35,039 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:35:35,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/test-easy8.wvr.c
Unable to find full path for "g++"
[2024-11-08 17:35:36,935 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:35:37,168 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:35:37,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/sv-benchmarks/c/weaver/test-easy8.wvr.c
[2024-11-08 17:35:37,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/data/a3748da1a/baa1de43307d4f84b7ebd918f7bdb769/FLAG9f27b93f5
[2024-11-08 17:35:37,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/data/a3748da1a/baa1de43307d4f84b7ebd918f7bdb769
[2024-11-08 17:35:37,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:35:37,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:35:37,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:35:37,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:35:37,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:35:37,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c91cb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37, skipping insertion in model container
[2024-11-08 17:35:37,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,248 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:35:37,568 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_4ec85b3e-c6b5-437e-b124-f11c518af847/sv-benchmarks/c/weaver/test-easy8.wvr.c[2007,2020]
[2024-11-08 17:35:37,573 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:35:37,583 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:35:37,601 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_4ec85b3e-c6b5-437e-b124-f11c518af847/sv-benchmarks/c/weaver/test-easy8.wvr.c[2007,2020]
[2024-11-08 17:35:37,601 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:35:37,619 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:35:37,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37 WrapperNode
[2024-11-08 17:35:37,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:35:37,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:35:37,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:35:37,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:35:37,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,654 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53
[2024-11-08 17:35:37,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:35:37,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:35:37,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:35:37,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:35:37,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,693 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 17:35:37,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:35:37,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:35:37,712 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:35:37,712 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:35:37,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (1/1) ...
[2024-11-08 17:35:37,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:35:37,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:35:37,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:35:37,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:35:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:35:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-08 17:35:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-08 17:35:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-08 17:35:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-08 17:35:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:35:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 17:35:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 17:35:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:35:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:35:37,791 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 17:35:37,909 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:35:37,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:35:38,097 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 17:35:38,098 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:35:38,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:35:38,230 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:35:38,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:38 BoogieIcfgContainer
[2024-11-08 17:35:38,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:35:38,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:35:38,233 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:35:38,241 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:35:38,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:35:37" (1/3) ...
[2024-11-08 17:35:38,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741bb72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:35:38, skipping insertion in model container
[2024-11-08 17:35:38,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:35:37" (2/3) ...
[2024-11-08 17:35:38,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741bb72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:35:38, skipping insertion in model container
[2024-11-08 17:35:38,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:38" (3/3) ...
[2024-11-08 17:35:38,245 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c
[2024-11-08 17:35:38,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:35:38,262 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:35:38,263 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 17:35:38,324 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-08 17:35:38,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 25 places, 18 transitions, 50 flow
[2024-11-08 17:35:38,388 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events.
[2024-11-08 17:35:38,388 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-08 17:35:38,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place.
[2024-11-08 17:35:38,390 INFO L82 GeneralOperation]: Start removeDead. Operand has 25 places, 18 transitions, 50 flow
[2024-11-08 17:35:38,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 15 transitions, 42 flow
[2024-11-08 17:35:38,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:35:38,410 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;@11d2b86b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:35:38,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-08 17:35:38,419 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 17:35:38,419 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events.
[2024-11-08 17:35:38,420 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-08 17:35:38,420 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:35:38,420 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:35:38,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-08 17:35:38,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:35:38,427 INFO L85 PathProgramCache]: Analyzing trace with hash 468697054, now seen corresponding path program 1 times
[2024-11-08 17:35:38,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:35:38,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744174184]
[2024-11-08 17:35:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:35:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:35:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:35:38,879 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 17:35:38,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:35:38,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744174184]
[2024-11-08 17:35:38,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744174184] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:35:38,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:35:38,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:35:38,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625107009]
[2024-11-08 17:35:38,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:35:38,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:35:38,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:35:38,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:35:38,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:35:38,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 18
[2024-11-08 17:35:38,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 15 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 17:35:38,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:35:38,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 18
[2024-11-08 17:35:38,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:35:39,034 INFO L124 PetriNetUnfolderBase]: 27/72 cut-off events.
[2024-11-08 17:35:39,035 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES.
[2024-11-08 17:35:39,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 72 events. 27/72 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 199 event pairs, 10 based on Foata normal form. 1/72 useless extension candidates. Maximal degree in co-relation 119. Up to 42 conditions per place.
[2024-11-08 17:35:39,039 INFO L140 encePairwiseOnDemand]: 15/18 looper letters, 12 selfloop transitions, 2 changer transitions 4/21 dead transitions.
[2024-11-08 17:35:39,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 21 transitions, 96 flow
[2024-11-08 17:35:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:35:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 17:35:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions.
[2024-11-08 17:35:39,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297
[2024-11-08 17:35:39,054 INFO L175 Difference]: Start difference. First operand has 22 places, 15 transitions, 42 flow. Second operand 3 states and 34 transitions.
[2024-11-08 17:35:39,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 21 transitions, 96 flow
[2024-11-08 17:35:39,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 21 transitions, 84 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-08 17:35:39,063 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 42 flow
[2024-11-08 17:35:39,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=21, PETRI_TRANSITIONS=15}
[2024-11-08 17:35:39,071 INFO L277 CegarLoopForPetriNet]: 22 programPoint places, -1 predicate places.
[2024-11-08 17:35:39,072 INFO L471 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 42 flow
[2024-11-08 17:35:39,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 17:35:39,073 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:35:39,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:35:39,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:35:39,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-08 17:35:39,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:35:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash -554544968, now seen corresponding path program 2 times
[2024-11-08 17:35:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:35:39,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276404883]
[2024-11-08 17:35:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:35:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:35:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:35:39,434 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 17:35:39,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:35:39,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276404883]
[2024-11-08 17:35:39,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276404883] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:35:39,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:35:39,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:35:39,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659840123]
[2024-11-08 17:35:39,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:35:39,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:35:39,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:35:39,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:35:39,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:35:39,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 18
[2024-11-08 17:35:39,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 42 flow. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 17:35:39,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:35:39,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 18
[2024-11-08 17:35:39,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:35:39,514 INFO L124 PetriNetUnfolderBase]: 6/21 cut-off events.
[2024-11-08 17:35:39,514 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-08 17:35:39,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 21 events. 6/21 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 4/25 useless extension candidates. Maximal degree in co-relation 22. Up to 8 conditions per place.
[2024-11-08 17:35:39,515 INFO L140 encePairwiseOnDemand]: 15/18 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions.
[2024-11-08 17:35:39,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 56 flow
[2024-11-08 17:35:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:35:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:35:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions.
[2024-11-08 17:35:39,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444
[2024-11-08 17:35:39,519 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 42 flow. Second operand 4 states and 32 transitions.
[2024-11-08 17:35:39,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 56 flow
[2024-11-08 17:35:39,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 52 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 17:35:39,519 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow
[2024-11-08 17:35:39,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0}
[2024-11-08 17:35:39,520 INFO L277 CegarLoopForPetriNet]: 22 programPoint places, -5 predicate places.
[2024-11-08 17:35:39,520 INFO L471 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow
[2024-11-08 17:35:39,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 17:35:39,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-08 17:35:39,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-08 17:35:39,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-08 17:35:39,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:35:39,528 INFO L407 BasicCegarLoop]: Path program histogram: [2]
[2024-11-08 17:35:39,536 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 17:35:39,537 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:35:39,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:35:39 BasicIcfg
[2024-11-08 17:35:39,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:35:39,549 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:35:39,549 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:35:39,550 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:35:39,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:35:38" (3/4) ...
[2024-11-08 17:35:39,554 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:35:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-08 17:35:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-08 17:35:39,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges
[2024-11-08 17:35:39,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-08 17:35:39,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 17:35:39,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-08 17:35:39,669 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:35:39,669 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:35:39,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:35:39,670 INFO L158 Benchmark]: Toolchain (without parser) took 2464.62ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 118.2MB in the beginning and 112.1MB in the end (delta: 6.1MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,671 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:35:39,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.31ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 118.4MB in the end (delta: -691.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 116.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:35:39,675 INFO L158 Benchmark]: Boogie Preprocessor took 55.93ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 115.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,676 INFO L158 Benchmark]: RCFGBuilder took 518.65ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 95.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,676 INFO L158 Benchmark]: TraceAbstraction took 1315.05ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 95.3MB in the beginning and 117.4MB in the end (delta: -22.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,676 INFO L158 Benchmark]: Witness Printer took 120.32ms. Allocated memory is still 186.6MB. Free memory was 117.4MB in the beginning and 112.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 17:35:39,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 413.31ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 118.4MB in the end (delta: -691.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.85ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 116.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.93ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 115.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 518.65ms. Allocated memory is still 153.1MB. Free memory was 115.1MB in the beginning and 95.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 1315.05ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 95.3MB in the beginning and 117.4MB in the end (delta: -22.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB.
* Witness Printer took 120.32ms. Allocated memory is still 186.6MB. Free memory was 117.4MB in the beginning and 112.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 75]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 29 locations, 3 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:35:39,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ec85b3e-c6b5-437e-b124-f11c518af847/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