./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/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_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:33:56,489 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:33:56,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-12-02 13:33:56,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:33:56,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:33:56,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:33:56,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:33:56,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:33:56,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:33:56,583 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:33:56,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:33:56,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:33:56,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:33:56,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:33:56,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 13:33:56,584 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:33:56,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:33:56,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:33:56,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:33:56,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:33:56,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:33:56,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:33:56,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:33:56,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:33:56,587 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_c50cbb36-09c9-4212-ae51-892f4dfd9e83/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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
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 -> c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba
[2024-12-02 13:33:56,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:33:56,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:33:56,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:33:56,880 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:33:56,880 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:33:56,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c
[2024-12-02 13:33:59,663 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/data/a11c3e4c7/f3329bf715a24ee1ae671f443c2ca96b/FLAG3dcf80e61
[2024-12-02 13:33:59,849 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:33:59,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/sv-benchmarks/c/memsafety-ext3/getNumbers3.c
[2024-12-02 13:33:59,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/data/a11c3e4c7/f3329bf715a24ee1ae671f443c2ca96b/FLAG3dcf80e61
[2024-12-02 13:33:59,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/data/a11c3e4c7/f3329bf715a24ee1ae671f443c2ca96b
[2024-12-02 13:33:59,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:33:59,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:33:59,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:33:59,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:33:59,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:33:59,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:59" (1/1) ...
[2024-12-02 13:33:59,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a67a27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:59, skipping insertion in model container
[2024-12-02 13:33:59,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:59" (1/1) ...
[2024-12-02 13:33:59,894 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:34:00,030 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:34:00,044 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:34:00,056 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:34:00,074 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:34:00,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00 WrapperNode
[2024-12-02 13:34:00,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:34:00,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:34:00,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:34:00,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:34:00,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,109 INFO L138 Inliner]: procedures = 9, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33
[2024-12-02 13:34:00,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:34:00,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:34:00,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:34:00,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:34:00,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,133 INFO L175 MemorySlicer]: Split 12 memory accesses to 1 slices as follows [12]. 100 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [10]. The 2 writes are split as follows [2].
[2024-12-02 13:34:00,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:34:00,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:34:00,145 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:34:00,146 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:34:00,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ...
[2024-12-02 13:34:00,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:34:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:34:00,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:34:00,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:34:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 13:34:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:34:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:34:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:34:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:34:00,284 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:34:00,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:34:00,408 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live.
[2024-12-02 13:34:00,409 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:34:00,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:34:00,418 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 13:34:00,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:00 BoogieIcfgContainer
[2024-12-02 13:34:00,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:34:00,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:34:00,421 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:34:00,426 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:34:00,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:59" (1/3) ...
[2024-12-02 13:34:00,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d8545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:00, skipping insertion in model container
[2024-12-02 13:34:00,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (2/3) ...
[2024-12-02 13:34:00,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d8545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:00, skipping insertion in model container
[2024-12-02 13:34:00,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:00" (3/3) ...
[2024-12-02 13:34:00,428 INFO L128 eAbstractionObserver]: Analyzing ICFG getNumbers3.c
[2024-12-02 13:34:00,443 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:34:00,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG getNumbers3.c that has 1 procedures, 17 locations, 1 initial locations, 1 loop locations, and 5 error locations.
[2024-12-02 13:34:00,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:34:00,488 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=None, 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;@2825b03e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:34:00,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-12-02 13:34:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 16 states have internal predecessors, (18), 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)
[2024-12-02 13:34:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-12-02 13:34:00,497 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:00,497 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-12-02 13:34:00,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash 925704, now seen corresponding path program 1 times
[2024-12-02 13:34:00,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:00,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880485738]
[2024-12-02 13:34:00,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:00,705 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 13:34:00,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:00,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880485738]
[2024-12-02 13:34:00,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880485738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:34:00,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:34:00,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 13:34:00,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029000870]
[2024-12-02 13:34:00,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:34:00,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:34:00,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:00,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:34:00,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:34:00,740 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 16 states have internal predecessors, (18), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2024-12-02 13:34:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:00,773 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions.
[2024-12-02 13:34:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:34:00,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4
[2024-12-02 13:34:00,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:00,779 INFO L225 Difference]: With dead ends: 16
[2024-12-02 13:34:00,779 INFO L226 Difference]: Without dead ends: 14
[2024-12-02 13:34:00,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:34:00,783 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:00,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 8 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-12-02 13:34:00,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-12-02 13:34:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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)
[2024-12-02 13:34:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2024-12-02 13:34:00,809 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4
[2024-12-02 13:34:00,809 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:00,809 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2024-12-02 13:34:00,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2024-12-02 13:34:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2024-12-02 13:34:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-12-02 13:34:00,809 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:00,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-12-02 13:34:00,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:34:00,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:00,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:00,811 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 1 times
[2024-12-02 13:34:00,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386650273]
[2024-12-02 13:34:00,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:00,944 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 13:34:00,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:00,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386650273]
[2024-12-02 13:34:00,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386650273] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:34:00,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:34:00,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:34:00,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344682694]
[2024-12-02 13:34:00,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:34:00,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:34:00,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:00,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:34:00,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:34:00,946 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-12-02 13:34:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:00,981 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2024-12-02 13:34:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:34:00,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2024-12-02 13:34:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:00,982 INFO L225 Difference]: With dead ends: 17
[2024-12-02 13:34:00,982 INFO L226 Difference]: Without dead ends: 17
[2024-12-02 13:34:00,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:34:00,983 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:00,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:00,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-12-02 13:34:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2024-12-02 13:34:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 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)
[2024-12-02 13:34:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2024-12-02 13:34:00,987 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 4
[2024-12-02 13:34:00,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:00,987 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2024-12-02 13:34:00,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-12-02 13:34:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2024-12-02 13:34:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 13:34:00,988 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:00,988 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1]
[2024-12-02 13:34:00,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:34:00,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:00,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1807828974, now seen corresponding path program 1 times
[2024-12-02 13:34:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:00,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613887134]
[2024-12-02 13:34:00,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:01,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613887134]
[2024-12-02 13:34:01,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613887134] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:34:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175154545]
[2024-12-02 13:34:01,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:01,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:34:01,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:34:01,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:34:01,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:34:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:01,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 13:34:01,272 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:34:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:01,440 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:34:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:01,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175154545] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:34:01,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:34:01,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 10
[2024-12-02 13:34:01,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939743865]
[2024-12-02 13:34:01,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:34:01,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 13:34:01,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:01,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 13:34:01,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-12-02 13:34:01,546 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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)
[2024-12-02 13:34:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:01,741 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions.
[2024-12-02 13:34:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 13:34:01,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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 7
[2024-12-02 13:34:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:01,743 INFO L225 Difference]: With dead ends: 23
[2024-12-02 13:34:01,743 INFO L226 Difference]: Without dead ends: 23
[2024-12-02 13:34:01,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306
[2024-12-02 13:34:01,744 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 49 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:01,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 15 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 13:34:01,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-12-02 13:34:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-12-02 13:34:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.15) internal successors, (23), 22 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)
[2024-12-02 13:34:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions.
[2024-12-02 13:34:01,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 7
[2024-12-02 13:34:01,748 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:01,748 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions.
[2024-12-02 13:34:01,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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)
[2024-12-02 13:34:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions.
[2024-12-02 13:34:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 13:34:01,749 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:01,749 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:34:01,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:34:01,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:34:01,950 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:01,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash -539108434, now seen corresponding path program 1 times
[2024-12-02 13:34:01,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:01,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507257936]
[2024-12-02 13:34:01,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 13:34:02,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:02,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507257936]
[2024-12-02 13:34:02,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507257936] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:34:02,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:34:02,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:34:02,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341345155]
[2024-12-02 13:34:02,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:34:02,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:34:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:02,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:34:02,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:34:02,042 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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)
[2024-12-02 13:34:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:02,078 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions.
[2024-12-02 13:34:02,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 13:34:02,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 18
[2024-12-02 13:34:02,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:02,079 INFO L225 Difference]: With dead ends: 22
[2024-12-02 13:34:02,079 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 13:34:02,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:34:02,080 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:02,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:02,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 13:34:02,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 13:34:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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)
[2024-12-02 13:34:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions.
[2024-12-02 13:34:02,083 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 18
[2024-12-02 13:34:02,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:02,083 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions.
[2024-12-02 13:34:02,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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)
[2024-12-02 13:34:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions.
[2024-12-02 13:34:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 13:34:02,084 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:02,084 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:34:02,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:34:02,084 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:02,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:02,085 INFO L85 PathProgramCache]: Analyzing trace with hash -539108433, now seen corresponding path program 1 times
[2024-12-02 13:34:02,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:02,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72473557]
[2024-12-02 13:34:02,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:02,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72473557]
[2024-12-02 13:34:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72473557] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:34:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686111244]
[2024-12-02 13:34:02,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:02,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:34:02,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:34:02,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:34:02,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:34:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:02,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 13:34:02,246 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:34:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:02,289 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:34:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:34:02,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686111244] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:34:02,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:34:02,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-12-02 13:34:02,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324202234]
[2024-12-02 13:34:02,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:34:02,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 13:34:02,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:02,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 13:34:02,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 13:34:02,363 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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)
[2024-12-02 13:34:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:02,418 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions.
[2024-12-02 13:34:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 13:34:02,419 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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 18
[2024-12-02 13:34:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:02,419 INFO L225 Difference]: With dead ends: 40
[2024-12-02 13:34:02,419 INFO L226 Difference]: Without dead ends: 40
[2024-12-02 13:34:02,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 13:34:02,420 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:02,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-12-02 13:34:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2024-12-02 13:34:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 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)
[2024-12-02 13:34:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions.
[2024-12-02 13:34:02,424 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 18
[2024-12-02 13:34:02,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:02,424 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions.
[2024-12-02 13:34:02,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 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)
[2024-12-02 13:34:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions.
[2024-12-02 13:34:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 13:34:02,425 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:02,425 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:34:02,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:34:02,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:34:02,626 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:02,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1883965105, now seen corresponding path program 2 times
[2024-12-02 13:34:02,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:02,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620106499]
[2024-12-02 13:34:02,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 13:34:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:02,639 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 13:34:02,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 13:34:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2024-12-02 13:34:02,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:02,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620106499]
[2024-12-02 13:34:02,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620106499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:34:02,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:34:02,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:34:02,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753466946]
[2024-12-02 13:34:02,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:34:02,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 13:34:02,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:02,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 13:34:02,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:34:02,706 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 5 states, 4 states have (on average 2.25) 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)
[2024-12-02 13:34:02,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:02,741 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions.
[2024-12-02 13:34:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 13:34:02,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) 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 36
[2024-12-02 13:34:02,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:02,742 INFO L225 Difference]: With dead ends: 39
[2024-12-02 13:34:02,742 INFO L226 Difference]: Without dead ends: 39
[2024-12-02 13:34:02,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:34:02,743 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:02,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:02,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-12-02 13:34:02,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2024-12-02 13:34:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 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)
[2024-12-02 13:34:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions.
[2024-12-02 13:34:02,746 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36
[2024-12-02 13:34:02,746 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:02,747 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions.
[2024-12-02 13:34:02,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) 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)
[2024-12-02 13:34:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions.
[2024-12-02 13:34:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-12-02 13:34:02,747 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:34:02,747 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:34:02,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:34:02,748 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 2 more)] ===
[2024-12-02 13:34:02,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:34:02,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1985731887, now seen corresponding path program 1 times
[2024-12-02 13:34:02,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:34:02,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636100795]
[2024-12-02 13:34:02,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:34:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:34:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:34:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2024-12-02 13:34:02,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:34:02,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636100795]
[2024-12-02 13:34:02,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636100795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:34:02,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:34:02,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:34:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65693739]
[2024-12-02 13:34:02,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:34:02,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:34:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:34:02,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:34:02,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:34:02,792 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-12-02 13:34:02,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:34:02,798 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions.
[2024-12-02 13:34:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:34:02,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 38
[2024-12-02 13:34:02,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:34:02,799 INFO L225 Difference]: With dead ends: 38
[2024-12-02 13:34:02,799 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 13:34:02,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:34:02,800 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 13:34:02,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:34:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 13:34:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 13:34:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-12-02 13:34:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 13:34:02,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38
[2024-12-02 13:34:02,801 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:34:02,801 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 13:34:02,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-12-02 13:34:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 13:34:02,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 13:34:02,803 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 5 remaining)
[2024-12-02 13:34:02,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining)
[2024-12-02 13:34:02,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 5 remaining)
[2024-12-02 13:34:02,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 5 remaining)
[2024-12-02 13:34:02,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining)
[2024-12-02 13:34:02,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 13:34:02,806 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1]
[2024-12-02 13:34:02,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:34:02,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:34:02 BoogieIcfgContainer
[2024-12-02 13:34:02,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:34:02,811 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:34:02,812 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:34:02,812 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:34:02,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:00" (3/4) ...
[2024-12-02 13:34:02,814 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 13:34:02,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-12-02 13:34:02,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 13:34:02,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 13:34:02,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:34:02,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:34:02,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:34:02,879 INFO L158 Benchmark]: Toolchain (without parser) took 3004.73ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 70.7MB in the end (delta: 48.1MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB.
[2024-12-02 13:34:02,880 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:34:02,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.82ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 108.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:34:02,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.34ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:34:02,880 INFO L158 Benchmark]: Boogie Preprocessor took 34.87ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:34:02,881 INFO L158 Benchmark]: RCFGBuilder took 273.25ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.7MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:34:02,881 INFO L158 Benchmark]: TraceAbstraction took 2389.95ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 74.9MB in the end (delta: 20.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-12-02 13:34:02,881 INFO L158 Benchmark]: Witness Printer took 67.42ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 70.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:34:02,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 198.82ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 108.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.34ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.87ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 273.25ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.7MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2389.95ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 74.9MB in the end (delta: 20.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
* Witness Printer took 67.42ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 70.7MB in the end (delta: 4.2MB). There was no memory consumed. 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
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 12]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 17 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 50 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=5, InterpolantAutomatonStates: 40, 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, 7 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 1068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 312/384 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
- AllSpecificationsHoldResult: All specifications hold
5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 13:34:02,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50cbb36-09c9-4212-ae51-892f4dfd9e83/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE