./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:10:16,463 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:10:16,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2024-11-24 02:10:16,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:10:16,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:10:16,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:10:16,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:10:16,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:10:16,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:10:16,649 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:10:16,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:10:16,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:10:16,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:10:16,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:10:16,650 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:10:16,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-24 02:10:16,651 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:10:16,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:10:16,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:10:16,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:10:16,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:10:16,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:10:16,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:10:16,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:10:16,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:10:16,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:10:16,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:10:16,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:10:16,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:10:16,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:10:16,656 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_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC
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-memcleanup) )
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 -> dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee
[2024-11-24 02:10:17,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:10:17,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:10:17,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:10:17,057 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:10:17,057 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:10:17,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/forester-heap/dll-01-1.i
[2024-11-24 02:10:20,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/data/b2bc86298/e2eac6a9a2e14993a6476bea0380dc89/FLAG0a52b96ec
[2024-11-24 02:10:20,776 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:10:20,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/sv-benchmarks/c/forester-heap/dll-01-1.i
[2024-11-24 02:10:20,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/data/b2bc86298/e2eac6a9a2e14993a6476bea0380dc89/FLAG0a52b96ec
[2024-11-24 02:10:20,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/data/b2bc86298/e2eac6a9a2e14993a6476bea0380dc89
[2024-11-24 02:10:20,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:10:20,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:10:20,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:10:20,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:10:20,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:10:20,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:20" (1/1) ...
[2024-11-24 02:10:20,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c39fa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:20, skipping insertion in model container
[2024-11-24 02:10:20,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:20" (1/1) ...
[2024-11-24 02:10:20,868 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:10:21,331 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:10:21,341 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:10:21,439 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:10:21,484 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:10:21,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21 WrapperNode
[2024-11-24 02:10:21,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:10:21,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:10:21,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:10:21,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:10:21,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,551 INFO L138 Inliner]: procedures = 119, calls = 57, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 211
[2024-11-24 02:10:21,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:10:21,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:10:21,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:10:21,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:10:21,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,594 INFO L175 MemorySlicer]: Split 34 memory accesses to 2 slices as follows [2, 32]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 13 writes are split as follows [0, 13].
[2024-11-24 02:10:21,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,606 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:10:21,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:10:21,621 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:10:21,622 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:10:21,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (1/1) ...
[2024-11-24 02:10:21,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:10:21,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:10:21,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:10:21,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-24 02:10:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-24 02:10:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-24 02:10:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 02:10:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 02:10:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 02:10:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:10:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:10:21,894 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:10:21,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:10:22,513 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-24 02:10:22,514 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:10:22,529 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:10:22,530 INFO L312 CfgBuilder]: Removed 17 assume(true) statements.
[2024-11-24 02:10:22,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:22 BoogieIcfgContainer
[2024-11-24 02:10:22,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:10:22,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:10:22,535 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:10:22,542 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:10:22,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:10:20" (1/3) ...
[2024-11-24 02:10:22,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197927f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:22, skipping insertion in model container
[2024-11-24 02:10:22,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:21" (2/3) ...
[2024-11-24 02:10:22,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197927f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:22, skipping insertion in model container
[2024-11-24 02:10:22,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:22" (3/3) ...
[2024-11-24 02:10:22,545 INFO L128 eAbstractionObserver]: Analyzing ICFG dll-01-1.i
[2024-11-24 02:10:22,565 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:10:22,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dll-01-1.i that has 2 procedures, 92 locations, 1 initial locations, 17 loop locations, and 2 error locations.
[2024-11-24 02:10:22,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:10:22,634 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;@43f9a25d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:10:22,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-24 02:10:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 77 states have internal predecessors, (131), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-24 02:10:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-24 02:10:22,647 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:22,648 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:22,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:22,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1156184995, now seen corresponding path program 1 times
[2024-11-24 02:10:22,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:22,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695395266]
[2024-11-24 02:10:22,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:22,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:22,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695395266]
[2024-11-24 02:10:22,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695395266] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:22,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:22,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:10:22,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597602462]
[2024-11-24 02:10:22,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:22,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:10:22,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:22,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:10:22,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:22,990 INFO L87 Difference]: Start difference. First operand has 92 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 77 states have internal predecessors, (131), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2024-11-24 02:10:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:23,067 INFO L93 Difference]: Finished difference Result 92 states and 116 transitions.
[2024-11-24 02:10:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:10:23,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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
[2024-11-24 02:10:23,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:23,078 INFO L225 Difference]: With dead ends: 92
[2024-11-24 02:10:23,078 INFO L226 Difference]: Without dead ends: 90
[2024-11-24 02:10:23,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:23,087 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 74 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:23,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 118 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:10:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2024-11-24 02:10:23,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 75.
[2024-11-24 02:10:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.360655737704918) internal successors, (83), 73 states have internal predecessors, (83), 12 states have call successors, (12), 1 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions.
[2024-11-24 02:10:23,125 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 6
[2024-11-24 02:10:23,125 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:23,125 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions.
[2024-11-24 02:10:23,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2024-11-24 02:10:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions.
[2024-11-24 02:10:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 02:10:23,126 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:23,126 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:23,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:10:23,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:23,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash -957211856, now seen corresponding path program 1 times
[2024-11-24 02:10:23,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:23,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571563225]
[2024-11-24 02:10:23,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:23,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:23,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:23,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571563225]
[2024-11-24 02:10:23,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571563225] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:23,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:23,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:10:23,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077864660]
[2024-11-24 02:10:23,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:23,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:10:23,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:23,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:10:23,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:23,241 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-11-24 02:10:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:23,266 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions.
[2024-11-24 02:10:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:10:23,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12
[2024-11-24 02:10:23,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:23,268 INFO L225 Difference]: With dead ends: 76
[2024-11-24 02:10:23,268 INFO L226 Difference]: Without dead ends: 76
[2024-11-24 02:10:23,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:23,269 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:23,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:10:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-24 02:10:23,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-11-24 02:10:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 74 states have internal predecessors, (84), 12 states have call successors, (12), 1 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions.
[2024-11-24 02:10:23,278 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 12
[2024-11-24 02:10:23,278 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:23,278 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions.
[2024-11-24 02:10:23,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2024-11-24 02:10:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions.
[2024-11-24 02:10:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 02:10:23,279 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:23,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:23,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:10:23,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:23,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash -955364814, now seen corresponding path program 1 times
[2024-11-24 02:10:23,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:23,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086706153]
[2024-11-24 02:10:23,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:23,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:23,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086706153]
[2024-11-24 02:10:23,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086706153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:23,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:23,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:10:23,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867976566]
[2024-11-24 02:10:23,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:23,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:10:23,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:23,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:10:23,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:23,590 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-24 02:10:23,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:23,730 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions.
[2024-11-24 02:10:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:10:23,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12
[2024-11-24 02:10:23,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:23,732 INFO L225 Difference]: With dead ends: 76
[2024-11-24 02:10:23,733 INFO L226 Difference]: Without dead ends: 76
[2024-11-24 02:10:23,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:23,734 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:23,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:10:23,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-24 02:10:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74.
[2024-11-24 02:10:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 72 states have internal predecessors, (82), 11 states have call successors, (11), 1 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions.
[2024-11-24 02:10:23,742 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 12
[2024-11-24 02:10:23,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:23,742 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions.
[2024-11-24 02:10:23,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-24 02:10:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions.
[2024-11-24 02:10:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-24 02:10:23,743 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:23,743 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:23,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 02:10:23,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:23,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:23,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1016165440, now seen corresponding path program 1 times
[2024-11-24 02:10:23,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:23,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851428491]
[2024-11-24 02:10:23,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:24,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:24,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851428491]
[2024-11-24 02:10:24,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851428491] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:24,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:24,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:10:24,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807408755]
[2024-11-24 02:10:24,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:24,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:10:24,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:24,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:10:24,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:24,143 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-24 02:10:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:24,405 INFO L93 Difference]: Finished difference Result 122 states and 154 transitions.
[2024-11-24 02:10:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:10:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 18
[2024-11-24 02:10:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:24,407 INFO L225 Difference]: With dead ends: 122
[2024-11-24 02:10:24,411 INFO L226 Difference]: Without dead ends: 122
[2024-11-24 02:10:24,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:10:24,412 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 51 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:24,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 211 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 02:10:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-24 02:10:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 76.
[2024-11-24 02:10:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 74 states have internal predecessors, (84), 11 states have call successors, (11), 1 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions.
[2024-11-24 02:10:24,430 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 18
[2024-11-24 02:10:24,430 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:24,430 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions.
[2024-11-24 02:10:24,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-24 02:10:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions.
[2024-11-24 02:10:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-24 02:10:24,431 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:24,431 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:24,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 02:10:24,432 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:24,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1717230018, now seen corresponding path program 1 times
[2024-11-24 02:10:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:24,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129742441]
[2024-11-24 02:10:24,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:24,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:24,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129742441]
[2024-11-24 02:10:24,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129742441] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:24,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:24,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:10:24,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235906610]
[2024-11-24 02:10:24,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:24,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:10:24,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:24,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:10:24,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:10:24,851 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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)
[2024-11-24 02:10:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:25,099 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions.
[2024-11-24 02:10:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 02:10:25,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 18
[2024-11-24 02:10:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:25,102 INFO L225 Difference]: With dead ends: 113
[2024-11-24 02:10:25,102 INFO L226 Difference]: Without dead ends: 113
[2024-11-24 02:10:25,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:10:25,105 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 135 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:25,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 168 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 02:10:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2024-11-24 02:10:25,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 74.
[2024-11-24 02:10:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 72 states have internal predecessors, (82), 9 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions.
[2024-11-24 02:10:25,119 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 18
[2024-11-24 02:10:25,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:25,119 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions.
[2024-11-24 02:10:25,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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)
[2024-11-24 02:10:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions.
[2024-11-24 02:10:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-24 02:10:25,123 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:25,123 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:25,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 02:10:25,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:25,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1846945798, now seen corresponding path program 1 times
[2024-11-24 02:10:25,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:25,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810632719]
[2024-11-24 02:10:25,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:25,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:25,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810632719]
[2024-11-24 02:10:25,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810632719] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:25,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:25,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:10:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466488357]
[2024-11-24 02:10:25,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:25,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:10:25,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:25,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:10:25,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:25,246 INFO L87 Difference]: Start difference. First operand 74 states and 91 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-24 02:10:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:25,389 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions.
[2024-11-24 02:10:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:10:25,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 18
[2024-11-24 02:10:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:25,393 INFO L225 Difference]: With dead ends: 108
[2024-11-24 02:10:25,393 INFO L226 Difference]: Without dead ends: 108
[2024-11-24 02:10:25,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:10:25,394 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 120 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:25,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 137 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:10:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2024-11-24 02:10:25,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 74.
[2024-11-24 02:10:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 64 states have (on average 1.28125) internal successors, (82), 72 states have internal predecessors, (82), 8 states have call successors, (8), 1 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions.
[2024-11-24 02:10:25,411 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 90 transitions. Word has length 18
[2024-11-24 02:10:25,411 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:25,411 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 90 transitions.
[2024-11-24 02:10:25,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-24 02:10:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions.
[2024-11-24 02:10:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-24 02:10:25,412 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:25,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:25,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 02:10:25,413 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:25,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:25,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1290458821, now seen corresponding path program 1 times
[2024-11-24 02:10:25,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:25,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476639822]
[2024-11-24 02:10:25,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:25,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:25,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476639822]
[2024-11-24 02:10:25,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476639822] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:25,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:25,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:10:25,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030699029]
[2024-11-24 02:10:25,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:25,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:10:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:25,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:10:25,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,503 INFO L87 Difference]: Start difference. First operand 74 states and 90 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2024-11-24 02:10:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:25,529 INFO L93 Difference]: Finished difference Result 79 states and 96 transitions.
[2024-11-24 02:10:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:10:25,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 23
[2024-11-24 02:10:25,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:25,530 INFO L225 Difference]: With dead ends: 79
[2024-11-24 02:10:25,530 INFO L226 Difference]: Without dead ends: 79
[2024-11-24 02:10:25,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,531 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:25,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 163 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:10:25,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-11-24 02:10:25,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77.
[2024-11-24 02:10:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 75 states have internal predecessors, (86), 8 states have call successors, (8), 1 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions.
[2024-11-24 02:10:25,545 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 94 transitions. Word has length 23
[2024-11-24 02:10:25,545 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:25,545 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 94 transitions.
[2024-11-24 02:10:25,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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)
[2024-11-24 02:10:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions.
[2024-11-24 02:10:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-24 02:10:25,546 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:25,546 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:25,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 02:10:25,551 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:25,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:25,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1221539469, now seen corresponding path program 1 times
[2024-11-24 02:10:25,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:25,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621241002]
[2024-11-24 02:10:25,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:25,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:25,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:25,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621241002]
[2024-11-24 02:10:25,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621241002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:25,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:25,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:10:25,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310409369]
[2024-11-24 02:10:25,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:25,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:10:25,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:25,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:10:25,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,642 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-11-24 02:10:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:25,667 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions.
[2024-11-24 02:10:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:10:25,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 24
[2024-11-24 02:10:25,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:25,669 INFO L225 Difference]: With dead ends: 76
[2024-11-24 02:10:25,669 INFO L226 Difference]: Without dead ends: 76
[2024-11-24 02:10:25,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,670 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 11 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:25,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 146 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:10:25,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-24 02:10:25,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-11-24 02:10:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 74 states have internal predecessors, (85), 7 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions.
[2024-11-24 02:10:25,676 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 24
[2024-11-24 02:10:25,679 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:25,679 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions.
[2024-11-24 02:10:25,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-11-24 02:10:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions.
[2024-11-24 02:10:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-24 02:10:25,681 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:25,681 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:25,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 02:10:25,681 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:25,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:25,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1508537828, now seen corresponding path program 1 times
[2024-11-24 02:10:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:25,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606013345]
[2024-11-24 02:10:25,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:25,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:25,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606013345]
[2024-11-24 02:10:25,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606013345] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:25,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:25,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:10:25,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97473910]
[2024-11-24 02:10:25,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:25,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:10:25,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:25,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:10:25,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,786 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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)
[2024-11-24 02:10:25,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:25,802 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions.
[2024-11-24 02:10:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:10:25,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 26
[2024-11-24 02:10:25,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:25,805 INFO L225 Difference]: With dead ends: 77
[2024-11-24 02:10:25,805 INFO L226 Difference]: Without dead ends: 77
[2024-11-24 02:10:25,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:10:25,805 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:25,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:10:25,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-24 02:10:25,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2024-11-24 02:10:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 75 states have internal predecessors, (86), 7 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions.
[2024-11-24 02:10:25,813 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 26
[2024-11-24 02:10:25,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:25,813 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions.
[2024-11-24 02:10:25,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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)
[2024-11-24 02:10:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions.
[2024-11-24 02:10:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-24 02:10:25,814 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:25,814 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:25,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 02:10:25,814 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:25,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1510384870, now seen corresponding path program 1 times
[2024-11-24 02:10:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:25,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983816746]
[2024-11-24 02:10:25,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:26,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983816746]
[2024-11-24 02:10:26,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983816746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:26,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:26,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:10:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377086288]
[2024-11-24 02:10:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:26,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:10:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:26,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:10:26,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:26,022 INFO L87 Difference]: Start difference. First operand 77 states and 93 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2024-11-24 02:10:26,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:26,114 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions.
[2024-11-24 02:10:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:10:26,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 26
[2024-11-24 02:10:26,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:26,115 INFO L225 Difference]: With dead ends: 77
[2024-11-24 02:10:26,117 INFO L226 Difference]: Without dead ends: 77
[2024-11-24 02:10:26,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:10:26,118 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:26,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:10:26,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-24 02:10:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75.
[2024-11-24 02:10:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 73 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions.
[2024-11-24 02:10:26,124 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 26
[2024-11-24 02:10:26,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions.
[2024-11-24 02:10:26,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2024-11-24 02:10:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions.
[2024-11-24 02:10:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-24 02:10:26,125 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:26,126 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:26,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 02:10:26,126 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:26,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1459454243, now seen corresponding path program 1 times
[2024-11-24 02:10:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:26,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389328862]
[2024-11-24 02:10:26,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:26,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:26,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389328862]
[2024-11-24 02:10:26,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389328862] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:26,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:26,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 02:10:26,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170396067]
[2024-11-24 02:10:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:26,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:10:26,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:26,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:10:26,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:10:26,436 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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)
[2024-11-24 02:10:26,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:26,793 INFO L93 Difference]: Finished difference Result 136 states and 165 transitions.
[2024-11-24 02:10:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 02:10:26,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 27
[2024-11-24 02:10:26,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:26,795 INFO L225 Difference]: With dead ends: 136
[2024-11-24 02:10:26,795 INFO L226 Difference]: Without dead ends: 136
[2024-11-24 02:10:26,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-24 02:10:26,796 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 65 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:26,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 323 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-24 02:10:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2024-11-24 02:10:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 86.
[2024-11-24 02:10:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 84 states have internal predecessors, (96), 6 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions.
[2024-11-24 02:10:26,808 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 27
[2024-11-24 02:10:26,808 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:26,808 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions.
[2024-11-24 02:10:26,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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)
[2024-11-24 02:10:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions.
[2024-11-24 02:10:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-24 02:10:26,813 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:26,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:26,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 02:10:26,814 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:26,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash -422951075, now seen corresponding path program 1 times
[2024-11-24 02:10:26,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:26,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839407349]
[2024-11-24 02:10:26,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:26,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:10:27,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:27,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839407349]
[2024-11-24 02:10:27,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839407349] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:27,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:27,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:10:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670157144]
[2024-11-24 02:10:27,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:27,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:10:27,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:27,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:10:27,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:10:27,802 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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)
[2024-11-24 02:10:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:28,515 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions.
[2024-11-24 02:10:28,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 02:10:28,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 27
[2024-11-24 02:10:28,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:28,517 INFO L225 Difference]: With dead ends: 189
[2024-11-24 02:10:28,517 INFO L226 Difference]: Without dead ends: 189
[2024-11-24 02:10:28,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2024-11-24 02:10:28,518 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 180 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:28,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 406 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-24 02:10:28,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2024-11-24 02:10:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 99.
[2024-11-24 02:10:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 97 states have internal predecessors, (111), 6 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 117 transitions.
[2024-11-24 02:10:28,525 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 117 transitions. Word has length 27
[2024-11-24 02:10:28,525 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 117 transitions.
[2024-11-24 02:10:28,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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)
[2024-11-24 02:10:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions.
[2024-11-24 02:10:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-11-24 02:10:28,526 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:28,527 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:28,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 02:10:28,527 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:28,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:28,528 INFO L85 PathProgramCache]: Analyzing trace with hash 118273487, now seen corresponding path program 1 times
[2024-11-24 02:10:28,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:28,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132864631]
[2024-11-24 02:10:28,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:10:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 02:10:28,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:10:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132864631]
[2024-11-24 02:10:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132864631] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:10:28,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:10:28,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:10:28,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407588534]
[2024-11-24 02:10:28,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:10:28,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:10:28,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:10:28,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:10:28,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:10:28,669 INFO L87 Difference]: Start difference. First operand 99 states and 117 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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)
[2024-11-24 02:10:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:10:28,864 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions.
[2024-11-24 02:10:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:10:28,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 30
[2024-11-24 02:10:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:10:28,865 INFO L225 Difference]: With dead ends: 126
[2024-11-24 02:10:28,865 INFO L226 Difference]: Without dead ends: 126
[2024-11-24 02:10:28,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:10:28,866 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 02:10:28,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 260 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 02:10:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2024-11-24 02:10:28,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 121.
[2024-11-24 02:10:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 113 states have (on average 1.238938053097345) internal successors, (140), 119 states have internal predecessors, (140), 6 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:10:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions.
[2024-11-24 02:10:28,872 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 30
[2024-11-24 02:10:28,872 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:10:28,872 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions.
[2024-11-24 02:10:28,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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)
[2024-11-24 02:10:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions.
[2024-11-24 02:10:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-11-24 02:10:28,873 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:10:28,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:28,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 02:10:28,874 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-24 02:10:28,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:10:28,874 INFO L85 PathProgramCache]: Analyzing trace with hash 749087805, now seen corresponding path program 1 times
[2024-11-24 02:10:28,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:10:28,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701191144]
[2024-11-24 02:10:28,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:10:28,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:10:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:10:28,903 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:10:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:10:28,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:10:28,951 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:10:28,952 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining)
[2024-11-24 02:10:28,954 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining)
[2024-11-24 02:10:28,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 02:10:28,958 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:10:29,003 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:10:29,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:10:29 BoogieIcfgContainer
[2024-11-24 02:10:29,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:10:29,010 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:10:29,010 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:10:29,010 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:10:29,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:22" (3/4) ...
[2024-11-24 02:10:29,012 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 02:10:29,083 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 19.
[2024-11-24 02:10:29,180 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 02:10:29,180 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 02:10:29,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:10:29,181 INFO L158 Benchmark]: Toolchain (without parser) took 8366.80ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 91.5MB in the beginning and 98.3MB in the end (delta: -6.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB.
[2024-11-24 02:10:29,181 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:10:29,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.16ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 73.0MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:10:29,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:10:29,182 INFO L158 Benchmark]: Boogie Preprocessor took 67.81ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:10:29,182 INFO L158 Benchmark]: RCFGBuilder took 909.42ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 46.7MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 02:10:29,183 INFO L158 Benchmark]: TraceAbstraction took 6474.28ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 46.1MB in the beginning and 104.0MB in the end (delta: -57.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
[2024-11-24 02:10:29,185 INFO L158 Benchmark]: Witness Printer took 170.52ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 98.3MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:10:29,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 669.16ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 73.0MB in the end (delta: 18.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 67.81ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 909.42ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 46.7MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 6474.28ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 46.1MB in the beginning and 104.0MB in the end (delta: -57.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
* Witness Printer took 170.52ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 98.3MB in the end (delta: 5.6MB). 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
- CounterExampleResult [Line: 992]: not all allocated memory was freed
not all allocated memory was freed
We found a FailurePath:
[L1003] SLL* list = malloc(sizeof(SLL));
[L1004] list->next = ((void*)0)
[L1005] list->prev = ((void*)0)
[L1006] COND FALSE !(!(list != ((void*)0)))
VAL [list={-1:0}]
[L1006] COND FALSE !(0)
VAL [list={-1:0}]
[L1006] COND FALSE !(__VERIFIER_nondet_int())
[L1006] list->inner = malloc(sizeof(SLL))
[L1006] EXPR list->inner
[L1006] list->inner->next = ((void*)0)
[L1006] EXPR list->inner
[L1006] list->inner->inner = ((void*)0)
[L1006] EXPR list->inner
[L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0)
VAL [list={-1:0}]
[L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0)
[L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0)))
[L1006] COND FALSE !(0)
VAL [list={-1:0}]
[L1008] SLL* end = list;
VAL [end={-1:0}, list={-1:0}]
[L1011] COND FALSE !(__VERIFIER_nondet_int())
[L1022] end = ((void*)0)
[L1023] end = list
VAL [end={-1:0}, list={-1:0}]
[L1026] COND FALSE !(!(((void*)0) != end))
VAL [end={-1:0}, list={-1:0}]
[L1026] COND FALSE !(0)
VAL [end={-1:0}, list={-1:0}]
[L1028] COND TRUE ((void*)0) != end
VAL [end={-1:0}, list={-1:0}]
[L1030] int len = 0;
[L1031] EXPR end->inner
[L1031] SLL* inner = end->inner;
[L1032] COND TRUE ((void*)0) != inner
VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}]
[L1034] COND TRUE len == 0
[L1035] len = 1
VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}]
[L1038] COND FALSE !(!(((void*)0) != inner))
VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}]
[L1038] COND FALSE !(0)
VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}]
[L1039] EXPR inner->inner
[L1039] COND FALSE !(!(((void*)0) == inner->inner))
[L1039] COND FALSE !(0)
VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}]
[L1040] EXPR inner->next
[L1040] COND TRUE !(((void*)0) != inner->next)
[L1040] CALL reach_error()
[L992] COND FALSE !(0)
[L992] __assert_fail ("0", "dll-01-1.c", 12, __extension__ __PRETTY_FUNCTION__)
- UnprovableResult [Line: 1000]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 92 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 660 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 660 mSDsluCounter, 2643 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1590 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 813 IncrementalHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1053 mSDtfsCounter, 813 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=13, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 285 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 1483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1/1 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!
[2024-11-24 02:10:29,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425dc411-6887-47e1-a932-4059d58d680a/bin/uautomizer-verify-LYvppIcaGC/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(valid-memcleanup)