./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/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_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 426ef1f4309d9dc2735a49adbb003bde9d9b1a56bbe25c12fae7f655f97fb3a3
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:52:59,095 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:52:59,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 18:52:59,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:52:59,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:52:59,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:52:59,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:52:59,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:52:59,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:52:59,231 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:52:59,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:52:59,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:52:59,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:52:59,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:52:59,237 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:52:59,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:52:59,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:52:59,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:52:59,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:52:59,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:52:59,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:52:59,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:52:59,240 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:52:59,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:52:59,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:52:59,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:52:59,241 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:52:59,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:52:59,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:52:59,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:52:59,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:52:59,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:52:59,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:52:59,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:52:59,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:52:59,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:52:59,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:52:59,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:52:59,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:52:59,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:52:59,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:52:59,247 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_da13b0a4-5a35-4717-9e43-ac9ff99366bd/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 426ef1f4309d9dc2735a49adbb003bde9d9b1a56bbe25c12fae7f655f97fb3a3
[2024-11-08 18:52:59,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:52:59,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:52:59,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:52:59,572 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:52:59,572 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:52:59,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i
Unable to find full path for "g++"
[2024-11-08 18:53:01,778 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:53:02,005 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:53:02,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i
[2024-11-08 18:53:02,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/data/c240d7075/7fecc37f24e542108a80919ef0937bf1/FLAG8e52f8f3f
[2024-11-08 18:53:02,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/data/c240d7075/7fecc37f24e542108a80919ef0937bf1
[2024-11-08 18:53:02,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:53:02,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:53:02,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:53:02,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:53:02,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:53:02,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:02,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca2038c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02, skipping insertion in model container
[2024-11-08 18:53:02,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:02,428 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:53:02,865 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:53:02,876 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:53:02,920 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:53:02,945 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:53:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02 WrapperNode
[2024-11-08 18:53:02,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:53:02,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:53:02,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:53:02,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:53:02,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:02,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:02,995 INFO L138 Inliner]: procedures = 110, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89
[2024-11-08 18:53:02,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:53:02,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:53:02,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:53:02,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:53:03,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,028 INFO L175 MemorySlicer]: Split 22 memory accesses to 7 slices as follows [1, 5, 1, 5, 3, 1, 6]. 27 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [1, 2, 1, 2, 2, 1, 2].
[2024-11-08 18:53:03,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:53:03,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:53:03,043 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:53:03,044 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:53:03,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (1/1) ...
[2024-11-08 18:53:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:53:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:53:03,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:53:03,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:53:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:53:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:53:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 18:53:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:53:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 18:53:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 18:53:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 18:53:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 18:53:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-08 18:53:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:53:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:53:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:53:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:53:03,253 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:53:03,256 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:53:03,438 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-08 18:53:03,439 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:53:03,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:53:03,458 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 18:53:03,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:03 BoogieIcfgContainer
[2024-11-08 18:53:03,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:53:03,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:53:03,464 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:53:03,469 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:53:03,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:53:02" (1/3) ...
[2024-11-08 18:53:03,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47502460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:03, skipping insertion in model container
[2024-11-08 18:53:03,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:53:02" (2/3) ...
[2024-11-08 18:53:03,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47502460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:53:03, skipping insertion in model container
[2024-11-08 18:53:03,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:03" (3/3) ...
[2024-11-08 18:53:03,474 INFO L112 eAbstractionObserver]: Analyzing ICFG NoriSharma-2013FSE-Fig8-alloca-2.i
[2024-11-08 18:53:03,492 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:53:03,492 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-08 18:53:03,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:53:03,566 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;@12151d25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:53:03,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-08 18:53:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.6875) internal successors, (27), 24 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 18:53:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-08 18:53:03,577 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:53:03,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-08 18:53:03,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-08 18:53:03,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:53:03,583 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times
[2024-11-08 18:53:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:53:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768003679]
[2024-11-08 18:53:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:53:03,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:53:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:53:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:53:04,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:53:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768003679]
[2024-11-08 18:53:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768003679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:53:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:53:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:53:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513427410]
[2024-11-08 18:53:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:53:04,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:53:04,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:53:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:53:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:53:04,260 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.6875) internal successors, (27), 24 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:53:04,326 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions.
[2024-11-08 18:53:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:53:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2024-11-08 18:53:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:53:04,337 INFO L225 Difference]: With dead ends: 37
[2024-11-08 18:53:04,337 INFO L226 Difference]: Without dead ends: 25
[2024-11-08 18:53:04,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:53:04,344 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:53:04,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 64 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:53:04,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-08 18:53:04,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-08 18:53:04,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions.
[2024-11-08 18:53:04,379 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 5
[2024-11-08 18:53:04,380 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:53:04,380 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions.
[2024-11-08 18:53:04,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions.
[2024-11-08 18:53:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-08 18:53:04,381 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:53:04,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:53:04,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:53:04,382 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-08 18:53:04,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:53:04,383 INFO L85 PathProgramCache]: Analyzing trace with hash 149888811, now seen corresponding path program 1 times
[2024-11-08 18:53:04,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:53:04,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603023409]
[2024-11-08 18:53:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:53:04,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:53:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:53:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:53:04,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:53:04,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603023409]
[2024-11-08 18:53:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603023409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:53:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:53:04,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:53:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461579902]
[2024-11-08 18:53:04,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:53:04,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:53:04,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:53:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:53:04,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:53:04,736 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:53:04,776 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions.
[2024-11-08 18:53:04,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:53:04,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8
[2024-11-08 18:53:04,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:53:04,778 INFO L225 Difference]: With dead ends: 25
[2024-11-08 18:53:04,778 INFO L226 Difference]: Without dead ends: 24
[2024-11-08 18:53:04,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:53:04,780 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:53:04,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:53:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-08 18:53:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-08 18:53:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2024-11-08 18:53:04,789 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 8
[2024-11-08 18:53:04,789 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:53:04,790 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2024-11-08 18:53:04,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2024-11-08 18:53:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-08 18:53:04,791 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:53:04,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:53:04,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:53:04,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-08 18:53:04,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:53:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash 149889131, now seen corresponding path program 1 times
[2024-11-08 18:53:04,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:53:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973580620]
[2024-11-08 18:53:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:53:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:53:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:53:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:53:04,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:53:04,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973580620]
[2024-11-08 18:53:04,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973580620] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:53:04,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:53:04,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:53:04,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609609113]
[2024-11-08 18:53:04,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:53:04,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:53:04,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:53:04,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:53:04,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:53:04,937 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:53:04,968 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions.
[2024-11-08 18:53:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:53:04,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8
[2024-11-08 18:53:04,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:53:04,969 INFO L225 Difference]: With dead ends: 24
[2024-11-08 18:53:04,969 INFO L226 Difference]: Without dead ends: 23
[2024-11-08 18:53:04,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:53:04,970 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:53:04,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:53:04,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-11-08 18:53:04,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-11-08 18:53:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions.
[2024-11-08 18:53:04,975 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 8
[2024-11-08 18:53:04,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:53:04,976 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions.
[2024-11-08 18:53:04,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions.
[2024-11-08 18:53:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 18:53:04,977 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:53:04,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:53:04,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:53:04,977 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-08 18:53:04,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:53:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash 351585897, now seen corresponding path program 1 times
[2024-11-08 18:53:04,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:53:04,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354074739]
[2024-11-08 18:53:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:53:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:53:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:53:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:53:05,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:53:05,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354074739]
[2024-11-08 18:53:05,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354074739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:53:05,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:53:05,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:53:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347108957]
[2024-11-08 18:53:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:53:05,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:53:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:53:05,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:53:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:53:05,152 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:05,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:53:05,184 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions.
[2024-11-08 18:53:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:53:05,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9
[2024-11-08 18:53:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:53:05,186 INFO L225 Difference]: With dead ends: 23
[2024-11-08 18:53:05,186 INFO L226 Difference]: Without dead ends: 22
[2024-11-08 18:53:05,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:53:05,187 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:53:05,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 30 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:53:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-08 18:53:05,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-08 18:53:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions.
[2024-11-08 18:53:05,192 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 9
[2024-11-08 18:53:05,192 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:53:05,192 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions.
[2024-11-08 18:53:05,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:53:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions.
[2024-11-08 18:53:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 18:53:05,193 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:53:05,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:53:05,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:53:05,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-11-08 18:53:05,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:53:05,195 INFO L85 PathProgramCache]: Analyzing trace with hash 351595827, now seen corresponding path program 1 times
[2024-11-08 18:53:05,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:53:05,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402385499]
[2024-11-08 18:53:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:53:05,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:53:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:53:05,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:53:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:53:05,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:53:05,268 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:53:05,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-11-08 18:53:05,271 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-11-08 18:53:05,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-11-08 18:53:05,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-11-08 18:53:05,272 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-11-08 18:53:05,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-11-08 18:53:05,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-11-08 18:53:05,273 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-11-08 18:53:05,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:53:05,277 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-08 18:53:05,300 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:53:05,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:53:05 BoogieIcfgContainer
[2024-11-08 18:53:05,304 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:53:05,305 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:53:05,305 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:53:05,305 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:53:05,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:53:03" (3/4) ...
[2024-11-08 18:53:05,306 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:53:05,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:53:05,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:53:05,364 INFO L158 Benchmark]: Toolchain (without parser) took 3010.79ms. Allocated memory was 178.3MB in the beginning and 216.0MB in the end (delta: 37.7MB). Free memory was 136.1MB in the beginning and 164.0MB in the end (delta: -27.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,364 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 178.3MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:53:05,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.79ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 117.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.69ms. Allocated memory is still 178.3MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,365 INFO L158 Benchmark]: Boogie Preprocessor took 46.60ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 113.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,365 INFO L158 Benchmark]: RCFGBuilder took 417.78ms. Allocated memory is still 178.3MB. Free memory was 113.1MB in the beginning and 97.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,366 INFO L158 Benchmark]: TraceAbstraction took 1840.55ms. Allocated memory was 178.3MB in the beginning and 216.0MB in the end (delta: 37.7MB). Free memory was 96.8MB in the beginning and 166.0MB in the end (delta: -69.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:53:05,366 INFO L158 Benchmark]: Witness Printer took 58.28ms. Allocated memory is still 216.0MB. Free memory was 166.0MB in the beginning and 164.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:53:05,368 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 178.3MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 591.79ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 117.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.69ms. Allocated memory is still 178.3MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.60ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 113.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 417.78ms. Allocated memory is still 178.3MB. Free memory was 113.1MB in the beginning and 97.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1840.55ms. Allocated memory was 178.3MB in the beginning and 216.0MB in the end (delta: 37.7MB). Free memory was 96.8MB in the beginning and 166.0MB in the end (delta: -69.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 58.28ms. Allocated memory is still 216.0MB. Free memory was 166.0MB in the beginning and 164.0MB 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: 568]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L548] int* u = __builtin_alloca (sizeof(int));
[L549] int* x = __builtin_alloca (sizeof(int));
[L550] int* v = __builtin_alloca (sizeof(int));
[L551] int* y = __builtin_alloca (sizeof(int));
[L552] int* w = __builtin_alloca (sizeof(int));
[L553] int* z = __builtin_alloca (sizeof(int));
[L554] int* c = __builtin_alloca (sizeof(int));
[L555] *x = __VERIFIER_nondet_int()
[L556] *y = __VERIFIER_nondet_int()
[L557] *z = __VERIFIER_nondet_int()
[L558] EXPR \read(*x)
[L558] *u = *x
[L559] EXPR \read(*y)
[L559] *v = *y
[L560] EXPR \read(*z)
[L560] *w = *z
[L561] *c = 0
[L562] EXPR \read(*x)
[L562] EXPR \read(*y)
[L562] COND TRUE *x >= *y
[L563] EXPR \read(*c)
[L563] EXPR *c + 1
[L563] *c = *c + 1
[L564] EXPR \read(*z)
[L564] COND FALSE !(*z > 1)
[L568] EXPR \read(*y)
[L568] *y + 1
VAL [c={3:0}, x={9:0}, y={7:0}, z={5:0}]
- UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 565]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 565]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, 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, 169 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 69 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 18:53:05,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da13b0a4-5a35-4717-9e43-ac9ff99366bd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)