./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:04:54,098 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:04:54,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 13:04:54,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:04:54,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:04:54,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:04:54,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:04:54,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:04:54,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:04:54,178 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:04:54,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:04:54,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:04:54,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:04:54,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:04:54,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:04:54,180 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:04:54,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:04:54,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:04:54,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:04:54,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:04:54,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:04:54,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:04:54,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:04:54,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:04:54,182 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342
[2024-12-02 13:04:54,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:04:54,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:04:54,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:04:54,417 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:04:54,417 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:04:54,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c
[2024-12-02 13:04:57,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/data/f69d7ed72/826aa451004342028f39ceac45e081a4/FLAG26fbe60f2
[2024-12-02 13:04:57,243 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:04:57,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c
[2024-12-02 13:04:57,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/data/f69d7ed72/826aa451004342028f39ceac45e081a4/FLAG26fbe60f2
[2024-12-02 13:04:57,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/data/f69d7ed72/826aa451004342028f39ceac45e081a4
[2024-12-02 13:04:57,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:04:57,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:04:57,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:04:57,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:04:57,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:04:57,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57, skipping insertion in model container
[2024-12-02 13:04:57,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,282 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:04:57,394 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:04:57,401 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:04:57,417 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:04:57,428 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:04:57,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57 WrapperNode
[2024-12-02 13:04:57,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:04:57,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:04:57,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:04:57,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:04:57,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,454 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81
[2024-12-02 13:04:57,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:04:57,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:04:57,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:04:57,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:04:57,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,480 INFO L175 MemorySlicer]: Split 34 memory accesses to 7 slices as follows [2, 7, 5, 8, 2, 6, 4]. 24 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 0, 2, 3, 1, 1, 2].
[2024-12-02 13:04:57,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,486 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:04:57,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:04:57,494 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:04:57,494 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:04:57,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (1/1) ...
[2024-12-02 13:04:57,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:04:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:57,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:04:57,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:04:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0
[2024-12-02 13:04:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 13:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:04:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-12-02 13:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 13:04:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 13:04:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 13:04:57,629 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:04:57,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:04:57,865 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live.
[2024-12-02 13:04:57,865 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:04:57,875 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:04:57,875 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 13:04:57,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:57 BoogieIcfgContainer
[2024-12-02 13:04:57,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:04:57,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:04:57,878 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:04:57,883 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:04:57,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:04:57" (1/3) ...
[2024-12-02 13:04:57,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308cd287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:04:57, skipping insertion in model container
[2024-12-02 13:04:57,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:57" (2/3) ...
[2024-12-02 13:04:57,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308cd287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:04:57, skipping insertion in model container
[2024-12-02 13:04:57,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:57" (3/3) ...
[2024-12-02 13:04:57,885 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_geo1.c
[2024-12-02 13:04:57,900 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:04:57,901 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_geo1.c that has 3 procedures, 71 locations, 1 initial locations, 0 loop locations, and 24 error locations.
[2024-12-02 13:04:57,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:04:57,962 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;@6696abe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:04:57,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-12-02 13:04:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 13:04:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 13:04:57,971 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:57,971 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:57,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] ===
[2024-12-02 13:04:57,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:57,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2013989493, now seen corresponding path program 1 times
[2024-12-02 13:04:57,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:57,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887334042]
[2024-12-02 13:04:57,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 13:04:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463984490]
[2024-12-02 13:04:58,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:58,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:58,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:04:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:58,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-12-02 13:04:58,208 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:04:58,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 13:04:58,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 13:04:58,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9
[2024-12-02 13:04:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:58,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:04:58,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:58,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887334042]
[2024-12-02 13:04:58,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 13:04:58,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463984490]
[2024-12-02 13:04:58,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463984490] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:58,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:58,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:58,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220004956]
[2024-12-02 13:04:58,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:58,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:04:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:58,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:04:58,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:04:58,408 INFO L87 Difference]: Start difference. First operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:58,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:58,635 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions.
[2024-12-02 13:04:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:04:58,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 13:04:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:58,643 INFO L225 Difference]: With dead ends: 173
[2024-12-02 13:04:58,643 INFO L226 Difference]: Without dead ends: 99
[2024-12-02 13:04:58,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:04:58,649 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 71 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:58,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 265 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:04:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2024-12-02 13:04:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 79.
[2024-12-02 13:04:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6666666666666667) internal successors, (80), 72 states have internal predecessors, (80), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-02 13:04:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions.
[2024-12-02 13:04:58,685 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 6
[2024-12-02 13:04:58,685 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:58,686 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions.
[2024-12-02 13:04:58,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions.
[2024-12-02 13:04:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 13:04:58,686 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:58,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:58,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:04:58,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 13:04:58,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] ===
[2024-12-02 13:04:58,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:58,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1990835194, now seen corresponding path program 1 times
[2024-12-02 13:04:58,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:58,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132617001]
[2024-12-02 13:04:58,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:58,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 13:04:58,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338937847]
[2024-12-02 13:04:58,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:58,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:58,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:04:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:04:59,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-02 13:04:59,017 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:04:59,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 13:04:59,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 13:04:59,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 13:04:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:04:59,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:04:59,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:04:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132617001]
[2024-12-02 13:04:59,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 13:04:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338937847]
[2024-12-02 13:04:59,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338937847] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:04:59,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:04:59,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 13:04:59,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919757660]
[2024-12-02 13:04:59,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:04:59,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 13:04:59,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:04:59,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 13:04:59,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 13:04:59,105 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:59,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:04:59,289 INFO L93 Difference]: Finished difference Result 99 states and 102 transitions.
[2024-12-02 13:04:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:04:59,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-12-02 13:04:59,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:04:59,291 INFO L225 Difference]: With dead ends: 99
[2024-12-02 13:04:59,291 INFO L226 Difference]: Without dead ends: 98
[2024-12-02 13:04:59,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-12-02 13:04:59,292 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 68 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:04:59,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 234 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:04:59,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-12-02 13:04:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79.
[2024-12-02 13:04:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 72 states have internal predecessors, (79), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-02 13:04:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions.
[2024-12-02 13:04:59,303 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 7
[2024-12-02 13:04:59,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:04:59,304 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions.
[2024-12-02 13:04:59,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:04:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions.
[2024-12-02 13:04:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 13:04:59,304 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:04:59,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:04:59,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:04:59,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:59,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] ===
[2024-12-02 13:04:59,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:04:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1586348909, now seen corresponding path program 1 times
[2024-12-02 13:04:59,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:04:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561899524]
[2024-12-02 13:04:59,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:04:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 13:04:59,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045096256]
[2024-12-02 13:04:59,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:04:59,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:04:59,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:04:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 13:04:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:04:59,652 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:04:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:04:59,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:04:59,688 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:04:59,689 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining)
[2024-12-02 13:04:59,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining)
[2024-12-02 13:04:59,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining)
[2024-12-02 13:04:59,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining)
[2024-12-02 13:04:59,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining)
[2024-12-02 13:04:59,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining)
[2024-12-02 13:04:59,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining)
[2024-12-02 13:04:59,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining)
[2024-12-02 13:04:59,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 13:04:59,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:04:59,895 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 13:04:59,910 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:04:59,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:04:59 BoogieIcfgContainer
[2024-12-02 13:04:59,913 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:04:59,913 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:04:59,913 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:04:59,913 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:04:59,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:57" (3/4) ...
[2024-12-02 13:04:59,914 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 13:04:59,937 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2.
[2024-12-02 13:04:59,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:04:59,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:04:59,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:04:59,965 INFO L158 Benchmark]: Toolchain (without parser) took 2699.15ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 72.9MB in the end (delta: 19.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB.
[2024-12-02 13:04:59,965 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:59,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.37ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:59,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.23ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:59,966 INFO L158 Benchmark]: Boogie Preprocessor took 37.75ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:59,966 INFO L158 Benchmark]: RCFGBuilder took 382.27ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 60.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:04:59,966 INFO L158 Benchmark]: TraceAbstraction took 2034.63ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 77.5MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:04:59,966 INFO L158 Benchmark]: Witness Printer took 51.08ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 72.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:04:59,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 162.37ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.23ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.75ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 382.27ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 60.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2034.63ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 77.5MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 51.08ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 72.9MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. 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: 57]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L78] int z;
[L79] int k;
[L80] int x;
[L81] int y;
[L82] int c;
[L83] z = __VERIFIER_nondet_int()
[L84] k = __VERIFIER_nondet_int()
[L85] x = 1
[L86] EXPR \read(z)
[L86] y = z
[L87] c = 1
[L88] CALL func_to_recursive_line_28_to_36_0(&y, &k, &x, &c, &z)
VAL [\old(c)={5:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={7:0}, \old(z)={9:0}]
[L57] EXPR \read(*x)
[L57] EXPR \read(*z)
VAL [\old(c)={5:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={7:0}, \old(z)={9:0}, c={5:0}, k={4:0}, x={8:0}, y={7:0}, z={9:0}]
[L57] EXPR (*x) * (*z)
[L57] EXPR \read(*x)
VAL [\old(c)={5:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={7:0}, \old(z)={9:0}, c={5:0}, k={4:0}, x={8:0}, y={7:0}, z={9:0}]
[L57] ((*x) * (*z)) - (*x)
VAL [\old(c)={5:0}, \old(k)={4:0}, \old(x)={8:0}, \old(y)={7:0}, \old(z)={9:0}, c={5:0}, k={4:0}, x={8:0}, y={7:0}, z={9:0}]
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 90]: 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 3 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 96 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 22 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 56 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 13:04:59,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c63ecb-7a0e-42a0-b873-4e2a2b7299b3/bin/uautomizer-verify-84ZbGMXZE1/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)