./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn5f.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_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/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_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/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_bac603ef-8159-49ce-b46b-40eeeba52d11/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 d9c2b19f3a128133e19f35c8975782eb43c272b0098e2b2d8b7a4c4d9315a632
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:51:21,786 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:51:21,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 16:51:21,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:51:21,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:51:21,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:51:21,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:51:21,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:51:21,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:51:21,909 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:51:21,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:51:21,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:51:21,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:51:21,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:51:21,911 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:51:21,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:51:21,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:51:21,912 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:51:21,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:51:21,913 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:51:21,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:51:21,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:51:21,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:51:21,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:51:21,921 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:51:21,921 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:51:21,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:51:21,921 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:51:21,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:51:21,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:51:21,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:51:21,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:51:21,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:51:21,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:51:21,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:51:21,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:51:21,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:51:21,927 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_bac603ef-8159-49ce-b46b-40eeeba52d11/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c2b19f3a128133e19f35c8975782eb43c272b0098e2b2d8b7a4c4d9315a632
[2024-11-08 16:51:22,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:51:22,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:51:22,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:51:22,269 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:51:22,269 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:51:22,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/array-fpi/ifeqn5f.c
Unable to find full path for "g++"
[2024-11-08 16:51:24,258 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:51:24,465 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:51:24,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/sv-benchmarks/c/array-fpi/ifeqn5f.c
[2024-11-08 16:51:24,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/data/3541f2ad4/dc63ae19d4d84cd186f1e4876cd5cc42/FLAGabee2238e
[2024-11-08 16:51:24,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/data/3541f2ad4/dc63ae19d4d84cd186f1e4876cd5cc42
[2024-11-08 16:51:24,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:51:24,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:51:24,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:51:24,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:51:24,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:51:24,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d45916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24, skipping insertion in model container
[2024-11-08 16:51:24,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,542 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:51:24,756 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_bac603ef-8159-49ce-b46b-40eeeba52d11/sv-benchmarks/c/array-fpi/ifeqn5f.c[590,603]
[2024-11-08 16:51:24,785 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:51:24,797 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:51:24,810 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_bac603ef-8159-49ce-b46b-40eeeba52d11/sv-benchmarks/c/array-fpi/ifeqn5f.c[590,603]
[2024-11-08 16:51:24,823 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:51:24,843 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:51:24,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24 WrapperNode
[2024-11-08 16:51:24,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:51:24,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:51:24,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:51:24,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:51:24,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,891 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2024-11-08 16:51:24,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:51:24,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:51:24,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:51:24,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:51:24,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,929 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2].
[2024-11-08 16:51:24,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:51:24,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:51:24,955 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:51:24,956 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:51:24,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (1/1) ...
[2024-11-08 16:51:24,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:51:24,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:51:24,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:51:24,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:51:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:51:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:51:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 16:51:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 16:51:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 16:51:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 16:51:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 16:51:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 16:51:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:51:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:51:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 16:51:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 16:51:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 16:51:25,146 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:51:25,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:51:25,347 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-08 16:51:25,347 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:51:25,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:51:25,362 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:51:25,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:51:25 BoogieIcfgContainer
[2024-11-08 16:51:25,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:51:25,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:51:25,371 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:51:25,374 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:51:25,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:51:24" (1/3) ...
[2024-11-08 16:51:25,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0ed3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:51:25, skipping insertion in model container
[2024-11-08 16:51:25,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:51:24" (2/3) ...
[2024-11-08 16:51:25,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0ed3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:51:25, skipping insertion in model container
[2024-11-08 16:51:25,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:51:25" (3/3) ...
[2024-11-08 16:51:25,376 INFO L112 eAbstractionObserver]: Analyzing ICFG ifeqn5f.c
[2024-11-08 16:51:25,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:51:25,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:51:25,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:51:25,464 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;@7633987, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:51:25,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:51:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 16:51:25,480 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:51:25,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:51:25,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:51:25,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:51:25,489 INFO L85 PathProgramCache]: Analyzing trace with hash 145241907, now seen corresponding path program 1 times
[2024-11-08 16:51:25,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:51:25,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48041507]
[2024-11-08 16:51:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:51:25,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:51:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:51:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:51:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:51:25,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48041507]
[2024-11-08 16:51:25,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48041507] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:51:25,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:51:25,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:51:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964246144]
[2024-11-08 16:51:25,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:51:25,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 16:51:25,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:51:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 16:51:25,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:51:25,705 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 24 states have internal predecessors, (35), 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) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:25,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:51:25,728 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions.
[2024-11-08 16:51:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 16:51:25,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) Word has length 13
[2024-11-08 16:51:25,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:51:25,745 INFO L225 Difference]: With dead ends: 46
[2024-11-08 16:51:25,745 INFO L226 Difference]: Without dead ends: 21
[2024-11-08 16:51:25,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:51:25,756 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:51:25,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:51:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-11-08 16:51:25,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2024-11-08 16:51:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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 16:51:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions.
[2024-11-08 16:51:25,793 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 13
[2024-11-08 16:51:25,794 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:51:25,794 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions.
[2024-11-08 16:51:25,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions.
[2024-11-08 16:51:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 16:51:25,797 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:51:25,797 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:51:25,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:51:25,798 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:51:25,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:51:25,800 INFO L85 PathProgramCache]: Analyzing trace with hash -247785103, now seen corresponding path program 1 times
[2024-11-08 16:51:25,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:51:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067226818]
[2024-11-08 16:51:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:51:25,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:51:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:51:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:51:25,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:51:25,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067226818]
[2024-11-08 16:51:25,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067226818] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:51:25,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:51:25,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:51:25,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495321719]
[2024-11-08 16:51:25,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:51:25,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:51:25,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:51:25,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:51:25,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:51:25,988 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:51:26,078 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions.
[2024-11-08 16:51:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:51:26,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13
[2024-11-08 16:51:26,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:51:26,080 INFO L225 Difference]: With dead ends: 51
[2024-11-08 16:51:26,080 INFO L226 Difference]: Without dead ends: 35
[2024-11-08 16:51:26,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:51:26,082 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:51:26,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 15 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:51:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2024-11-08 16:51:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27.
[2024-11-08 16:51:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions.
[2024-11-08 16:51:26,114 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 13
[2024-11-08 16:51:26,114 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:51:26,115 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions.
[2024-11-08 16:51:26,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:51:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions.
[2024-11-08 16:51:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-08 16:51:26,116 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:51:26,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:51:26,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:51:26,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:51:26,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:51:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1432094781, now seen corresponding path program 1 times
[2024-11-08 16:51:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:51:26,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078772472]
[2024-11-08 16:51:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:51:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:51:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 16:51:26,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753803320]
[2024-11-08 16:51:26,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:51:26,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:51:26,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:51:26,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:51:26,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:51:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:51:26,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:51:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:51:26,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:51:26,368 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:51:26,369 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 16:51:26,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:51:26,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:51:26,577 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 16:51:26,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:51:26,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:51:26 BoogieIcfgContainer
[2024-11-08 16:51:26,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:51:26,605 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:51:26,605 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:51:26,606 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:51:26,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:51:25" (3/4) ...
[2024-11-08 16:51:26,607 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 16:51:26,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:51:26,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:51:26,656 INFO L158 Benchmark]: Toolchain (without parser) took 2152.92ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 120.3MB in the beginning and 169.3MB in the end (delta: -49.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:51:26,656 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:51:26,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.72ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 107.2MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 16:51:26,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.99ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:51:26,657 INFO L158 Benchmark]: Boogie Preprocessor took 56.93ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:51:26,658 INFO L158 Benchmark]: RCFGBuilder took 410.26ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 90.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 16:51:26,658 INFO L158 Benchmark]: TraceAbstraction took 1236.21ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 89.8MB in the beginning and 171.4MB in the end (delta: -81.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:51:26,659 INFO L158 Benchmark]: Witness Printer took 49.63ms. Allocated memory is still 211.8MB. Free memory was 171.4MB in the beginning and 169.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:51:26,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 338.72ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 107.2MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.99ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 56.93ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 410.26ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 90.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 1236.21ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 89.8MB in the beginning and 171.4MB in the end (delta: -81.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 49.63ms. Allocated memory is still 211.8MB. Free memory was 171.4MB in the beginning and 169.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 15]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L19] int N;
VAL [N=0]
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
VAL [N=1]
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long *a = malloc(sizeof(long long)*N);
[L29] long long *b = malloc(sizeof(long long)*N);
[L31] i=0
VAL [N=1, a={-1:0}, b={-2:0}, i=0]
[L31] COND FALSE !(i<N)
VAL [N=1]
[L31] COND TRUE i<N
VAL [N=1, a={-1:0}, b={-2:0}, i=0]
[L33] COND TRUE i==0
[L34] a[0] = 10
VAL [N=1]
[L31] i++
VAL [N=1, a={-1:0}, b={-2:0}, i=1]
[L31] COND TRUE i<N
VAL [N=1]
[L40] i=0
VAL [N=1, a={-1:0}, b={-2:0}, i=0]
[L40] COND FALSE !(i<N)
VAL [N=1]
[L40] COND TRUE i<N
VAL [N=1, a={-1:0}, b={-2:0}, i=0]
[L42] COND TRUE i==0
[L43] b[0] = 1
VAL [N=1]
[L40] i++
VAL [N=1, a={-1:0}, b={-2:0}, i=1]
[L40] COND TRUE i<N
VAL [N=1]
[L49] i=0
VAL [N=1, a={-1:0}, b={-2:0}, i=0]
[L49] COND FALSE !(i<N)
VAL [N=1]
[L49] COND TRUE i<N
[L51] EXPR b[i]
[L51] CALL __VERIFIER_assert(b[i] == 5*i*i + 5*i + 5)
[L15] COND TRUE !(cond)
VAL [N=1]
[L15] reach_error()
VAL [N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 44 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 16:51:26,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bac603ef-8159-49ce-b46b-40eeeba52d11/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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