./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 13:13:19,786 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 13:13:19,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2024-12-01 13:13:19,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 13:13:19,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 13:13:19,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 13:13:19,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 13:13:19,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 13:13:19,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 13:13:19,899 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 13:13:19,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 13:13:19,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 13:13:19,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 13:13:19,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 13:13:19,899 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 13:13:19,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-01 13:13:19,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 13:13:19,901 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 13:13:19,901 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:13:19,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 13:13:19,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:13:19,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 13:13:19,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 13:13:19,903 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_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-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 -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9
[2024-12-01 13:13:20,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 13:13:20,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 13:13:20,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 13:13:20,221 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 13:13:20,222 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 13:13:20,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i
[2024-12-01 13:13:23,411 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/data/8ca22d777/5b8a324e82e44a3c82eb6ed63d5f313c/FLAG823138842
[2024-12-01 13:13:23,728 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 13:13:23,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i
[2024-12-01 13:13:23,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/data/8ca22d777/5b8a324e82e44a3c82eb6ed63d5f313c/FLAG823138842
[2024-12-01 13:13:23,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/data/8ca22d777/5b8a324e82e44a3c82eb6ed63d5f313c
[2024-12-01 13:13:23,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 13:13:23,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 13:13:23,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 13:13:23,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 13:13:23,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 13:13:23,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:13:23" (1/1) ...
[2024-12-01 13:13:23,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c67a83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:23, skipping insertion in model container
[2024-12-01 13:13:23,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:13:23" (1/1) ...
[2024-12-01 13:13:23,802 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 13:13:24,083 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:13:24,094 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 13:13:24,142 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:13:24,169 INFO L204 MainTranslator]: Completed translation
[2024-12-01 13:13:24,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24 WrapperNode
[2024-12-01 13:13:24,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 13:13:24,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 13:13:24,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 13:13:24,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 13:13:24,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,210 INFO L138 Inliner]: procedures = 129, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137
[2024-12-01 13:13:24,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 13:13:24,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 13:13:24,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 13:13:24,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 13:13:24,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,245 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 4 writes are split as follows [0, 3, 1].
[2024-12-01 13:13:24,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 13:13:24,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 13:13:24,264 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 13:13:24,264 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 13:13:24,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (1/1) ...
[2024-12-01 13:13:24,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:13:24,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:13:24,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 13:13:24,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 13:13:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure myexit
[2024-12-01 13:13:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int
[2024-12-01 13:13:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-01 13:13:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-01 13:13:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 13:13:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 13:13:24,462 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 13:13:24,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 13:13:24,486 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2024-12-01 13:13:24,708 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live.
[2024-12-01 13:13:24,708 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 13:13:24,718 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 13:13:24,719 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-12-01 13:13:24,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:13:24 BoogieIcfgContainer
[2024-12-01 13:13:24,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 13:13:24,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 13:13:24,722 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 13:13:24,728 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 13:13:24,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:13:23" (1/3) ...
[2024-12-01 13:13:24,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7d7b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:13:24, skipping insertion in model container
[2024-12-01 13:13:24,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:13:24" (2/3) ...
[2024-12-01 13:13:24,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7d7b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:13:24, skipping insertion in model container
[2024-12-01 13:13:24,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:13:24" (3/3) ...
[2024-12-01 13:13:24,731 INFO L128 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i
[2024-12-01 13:13:24,751 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 13:13:24,753 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sll_nondet_insert-1.i that has 3 procedures, 57 locations, 1 initial locations, 6 loop locations, and 2 error locations.
[2024-12-01 13:13:24,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 13:13:24,821 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;@1a21bda3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 13:13:24,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-01 13:13:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 47 states have (on average 1.446808510638298) internal successors, (68), 50 states have internal predecessors, (68), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:13:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-01 13:13:24,834 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:24,834 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:13:24,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:24,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:24,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1503948579, now seen corresponding path program 1 times
[2024-12-01 13:13:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:24,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681850802]
[2024-12-01 13:13:24,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-01 13:13:25,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:25,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681850802]
[2024-12-01 13:13:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681850802] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:13:25,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535434956]
[2024-12-01 13:13:25,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:13:25,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:13:25,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 13:13:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:25,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-01 13:13:25,165 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:13:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-01 13:13:25,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 13:13:25,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535434956] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:13:25,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 13:13:25,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-01 13:13:25,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928513567]
[2024-12-01 13:13:25,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:13:25,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-01 13:13:25,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:25,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-01 13:13:25,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 13:13:25,221 INFO L87 Difference]: Start difference. First operand has 56 states, 47 states have (on average 1.446808510638298) internal successors, (68), 50 states have internal predecessors, (68), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:13:25,257 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions.
[2024-12-01 13:13:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-01 13:13:25,260 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28
[2024-12-01 13:13:25,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:13:25,267 INFO L225 Difference]: With dead ends: 55
[2024-12-01 13:13:25,267 INFO L226 Difference]: Without dead ends: 49
[2024-12-01 13:13:25,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-01 13:13:25,272 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 13:13:25,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 13:13:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-12-01 13:13:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2024-12-01 13:13:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 44 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:13:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions.
[2024-12-01 13:13:25,318 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 28
[2024-12-01 13:13:25,318 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:13:25,319 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions.
[2024-12-01 13:13:25,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions.
[2024-12-01 13:13:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-12-01 13:13:25,321 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:25,321 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:13:25,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 13:13:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-01 13:13:25,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:25,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash 869650957, now seen corresponding path program 1 times
[2024-12-01 13:13:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015304874]
[2024-12-01 13:13:25,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 13:13:25,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:25,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015304874]
[2024-12-01 13:13:25,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015304874] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:13:25,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990131245]
[2024-12-01 13:13:25,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:13:25,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:13:25,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-01 13:13:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:25,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-01 13:13:25,982 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:13:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:13:26,110 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 13:13:26,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990131245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:13:26,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 13:13:26,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12
[2024-12-01 13:13:26,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485708090]
[2024-12-01 13:13:26,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:13:26,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 13:13:26,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:26,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 13:13:26,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2024-12-01 13:13:26,112 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:13:26,193 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions.
[2024-12-01 13:13:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-01 13:13:26,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35
[2024-12-01 13:13:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:13:26,195 INFO L225 Difference]: With dead ends: 51
[2024-12-01 13:13:26,195 INFO L226 Difference]: Without dead ends: 51
[2024-12-01 13:13:26,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2024-12-01 13:13:26,197 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:13:26,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 283 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 13:13:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-01 13:13:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-12-01 13:13:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 46 states have internal predecessors, (55), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:13:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2024-12-01 13:13:26,204 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 35
[2024-12-01 13:13:26,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:13:26,205 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2024-12-01 13:13:26,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2024-12-01 13:13:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-01 13:13:26,207 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:26,207 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:13:26,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-01 13:13:26,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:26,408 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:26,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2082639429, now seen corresponding path program 1 times
[2024-12-01 13:13:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:26,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370573368]
[2024-12-01 13:13:26,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 13:13:26,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370573368]
[2024-12-01 13:13:26,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370573368] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:13:26,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:13:26,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-01 13:13:26,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376201283]
[2024-12-01 13:13:26,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:13:26,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 13:13:26,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:26,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 13:13:26,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-01 13:13:26,610 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:13:26,755 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions.
[2024-12-01 13:13:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-01 13:13:26,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40
[2024-12-01 13:13:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:13:26,757 INFO L225 Difference]: With dead ends: 79
[2024-12-01 13:13:26,757 INFO L226 Difference]: Without dead ends: 79
[2024-12-01 13:13:26,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-12-01 13:13:26,758 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 28 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:13:26,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 290 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 13:13:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-12-01 13:13:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66.
[2024-12-01 13:13:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 60 states have internal predecessors, (73), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-01 13:13:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions.
[2024-12-01 13:13:26,767 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 81 transitions. Word has length 40
[2024-12-01 13:13:26,767 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:13:26,767 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 81 transitions.
[2024-12-01 13:13:26,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:13:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions.
[2024-12-01 13:13:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-12-01 13:13:26,769 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:26,769 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:13:26,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 13:13:26,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:26,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2067921695, now seen corresponding path program 1 times
[2024-12-01 13:13:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:26,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171763220]
[2024-12-01 13:13:26,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-01 13:13:26,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:26,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171763220]
[2024-12-01 13:13:26,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171763220] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:13:26,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:13:26,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-01 13:13:26,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299056751]
[2024-12-01 13:13:26,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:13:26,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-01 13:13:26,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:26,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-01 13:13:26,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-01 13:13:26,982 INFO L87 Difference]: Start difference. First operand 66 states and 81 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 13:13:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:13:27,094 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions.
[2024-12-01 13:13:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-01 13:13:27,095 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42
[2024-12-01 13:13:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:13:27,098 INFO L225 Difference]: With dead ends: 86
[2024-12-01 13:13:27,098 INFO L226 Difference]: Without dead ends: 86
[2024-12-01 13:13:27,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-12-01 13:13:27,099 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 12 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:13:27,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 271 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 13:13:27,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-12-01 13:13:27,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 77.
[2024-12-01 13:13:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 70 states have internal predecessors, (85), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8)
[2024-12-01 13:13:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions.
[2024-12-01 13:13:27,108 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 42
[2024-12-01 13:13:27,109 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:13:27,109 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions.
[2024-12-01 13:13:27,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 13:13:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions.
[2024-12-01 13:13:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-12-01 13:13:27,110 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:27,110 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:13:27,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 13:13:27,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:27,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1809756257, now seen corresponding path program 1 times
[2024-12-01 13:13:27,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:27,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553835503]
[2024-12-01 13:13:27,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-01 13:13:27,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:27,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553835503]
[2024-12-01 13:13:27,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553835503] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:13:27,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346427856]
[2024-12-01 13:13:27,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:13:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:27,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:13:27,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:13:27,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-01 13:13:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:13:27,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-01 13:13:27,448 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:13:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 13:13:27,565 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:13:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-01 13:13:27,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346427856] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:13:27,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:13:27,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15
[2024-12-01 13:13:27,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596638269]
[2024-12-01 13:13:27,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:13:27,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-01 13:13:27,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:27,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-01 13:13:27,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210
[2024-12-01 13:13:27,802 INFO L87 Difference]: Start difference. First operand 77 states and 97 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 13:13:28,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:13:28,013 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions.
[2024-12-01 13:13:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-01 13:13:28,014 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42
[2024-12-01 13:13:28,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:13:28,015 INFO L225 Difference]: With dead ends: 97
[2024-12-01 13:13:28,015 INFO L226 Difference]: Without dead ends: 97
[2024-12-01 13:13:28,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342
[2024-12-01 13:13:28,016 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 23 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:13:28,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 463 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 13:13:28,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2024-12-01 13:13:28,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 82.
[2024-12-01 13:13:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 75 states have internal predecessors, (90), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8)
[2024-12-01 13:13:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions.
[2024-12-01 13:13:28,025 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 42
[2024-12-01 13:13:28,025 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:13:28,025 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions.
[2024-12-01 13:13:28,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 13:13:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions.
[2024-12-01 13:13:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-12-01 13:13:28,027 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:13:28,027 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:13:28,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-01 13:13:28,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:28,228 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:13:28,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:13:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1265965977, now seen corresponding path program 2 times
[2024-12-01 13:13:28,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:13:28,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296764718]
[2024-12-01 13:13:28,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 13:13:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:13:28,261 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 13:13:28,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:13:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 13:13:28,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:13:28,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296764718]
[2024-12-01 13:13:28,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296764718] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:13:28,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083961004]
[2024-12-01 13:13:28,615 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-01 13:13:28,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:13:28,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:13:28,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:13:28,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-01 13:13:28,737 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-01 13:13:28,738 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:13:28,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 33 conjuncts are in the unsatisfiable core
[2024-12-01 13:13:28,744 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:13:28,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-01 13:13:28,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16
[2024-12-01 13:13:28,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12
[2024-12-01 13:13:28,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8
[2024-12-01 13:13:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:13:28,986 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:13:29,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17
[2024-12-01 13:13:29,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13
[2024-12-01 13:13:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 13:13:29,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083961004] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:13:29,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:13:29,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 10
[2024-12-01 13:13:29,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175095622]
[2024-12-01 13:13:29,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:13:29,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-01 13:13:29,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:13:29,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-01 13:13:29,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2024-12-01 13:13:29,071 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 13:13:33,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:37,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:41,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:45,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:49,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:53,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:13:57,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:14:01,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-01 13:14:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:01,377 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions.
[2024-12-01 13:14:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-01 13:14:01,379 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47
[2024-12-01 13:14:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:01,380 INFO L225 Difference]: With dead ends: 130
[2024-12-01 13:14:01,380 INFO L226 Difference]: Without dead ends: 130
[2024-12-01 13:14:01,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210
[2024-12-01 13:14:01,380 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 61 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:01,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 443 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 8 Unknown, 0 Unchecked, 32.2s Time]
[2024-12-01 13:14:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2024-12-01 13:14:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 98.
[2024-12-01 13:14:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 90 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7)
[2024-12-01 13:14:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions.
[2024-12-01 13:14:01,386 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 47
[2024-12-01 13:14:01,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:01,386 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions.
[2024-12-01 13:14:01,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 13:14:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions.
[2024-12-01 13:14:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2024-12-01 13:14:01,387 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:01,387 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:01,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-01 13:14:01,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:01,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:01,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:01,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1147755139, now seen corresponding path program 3 times
[2024-12-01 13:14:01,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:01,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582190539]
[2024-12-01 13:14:01,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-01 13:14:01,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:01,622 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-01 13:14:01,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:14:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-12-01 13:14:02,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582190539]
[2024-12-01 13:14:02,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582190539] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077563944]
[2024-12-01 13:14:02,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-01 13:14:02,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:02,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:02,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:02,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-01 13:14:02,186 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-01 13:14:02,186 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:14:02,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 35 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:02,191 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-12-01 13:14:02,423 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-01 13:14:02,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077563944] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:14:02,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:14:02,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 28
[2024-12-01 13:14:02,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170992426]
[2024-12-01 13:14:02,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:14:02,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-12-01 13:14:02,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:02,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-12-01 13:14:02,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756
[2024-12-01 13:14:02,808 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 25 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-01 13:14:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:03,174 INFO L93 Difference]: Finished difference Result 197 states and 251 transitions.
[2024-12-01 13:14:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-12-01 13:14:03,175 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 25 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49
[2024-12-01 13:14:03,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:03,177 INFO L225 Difference]: With dead ends: 197
[2024-12-01 13:14:03,178 INFO L226 Difference]: Without dead ends: 197
[2024-12-01 13:14:03,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992
[2024-12-01 13:14:03,180 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 70 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:03,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 872 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 13:14:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2024-12-01 13:14:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 133.
[2024-12-01 13:14:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 121 states have (on average 1.1983471074380165) internal successors, (145), 123 states have internal predecessors, (145), 6 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12)
[2024-12-01 13:14:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions.
[2024-12-01 13:14:03,194 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 163 transitions. Word has length 49
[2024-12-01 13:14:03,194 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:03,194 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 163 transitions.
[2024-12-01 13:14:03,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 25 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-01 13:14:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 163 transitions.
[2024-12-01 13:14:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2024-12-01 13:14:03,196 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:03,197 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:03,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-01 13:14:03,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:03,397 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:03,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1147806821, now seen corresponding path program 1 times
[2024-12-01 13:14:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:03,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888688780]
[2024-12-01 13:14:03,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:03,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-01 13:14:03,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:03,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888688780]
[2024-12-01 13:14:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888688780] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:03,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224831888]
[2024-12-01 13:14:03,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:03,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:03,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:03,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:03,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-01 13:14:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:03,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:03,705 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:03,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2024-12-01 13:14:03,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8
[2024-12-01 13:14:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-01 13:14:03,823 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:03,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4
[2024-12-01 13:14:03,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8
[2024-12-01 13:14:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-01 13:14:03,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224831888] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:03,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-12-01 13:14:03,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 10] total 11
[2024-12-01 13:14:03,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606084643]
[2024-12-01 13:14:03,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:03,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-01 13:14:03,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:03,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-01 13:14:03,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2024-12-01 13:14:03,915 INFO L87 Difference]: Start difference. First operand 133 states and 163 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:14:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:04,044 INFO L93 Difference]: Finished difference Result 145 states and 176 transitions.
[2024-12-01 13:14:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-01 13:14:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49
[2024-12-01 13:14:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:04,046 INFO L225 Difference]: With dead ends: 145
[2024-12-01 13:14:04,046 INFO L226 Difference]: Without dead ends: 145
[2024-12-01 13:14:04,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182
[2024-12-01 13:14:04,047 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 30 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:04,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 353 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-01 13:14:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2024-12-01 13:14:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139.
[2024-12-01 13:14:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 127 states have (on average 1.204724409448819) internal successors, (153), 129 states have internal predecessors, (153), 6 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12)
[2024-12-01 13:14:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions.
[2024-12-01 13:14:04,056 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 49
[2024-12-01 13:14:04,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:04,057 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions.
[2024-12-01 13:14:04,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 13:14:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions.
[2024-12-01 13:14:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-01 13:14:04,058 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:04,058 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:04,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-01 13:14:04,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-12-01 13:14:04,259 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:04,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:04,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1451407775, now seen corresponding path program 4 times
[2024-12-01 13:14:04,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:04,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676639210]
[2024-12-01 13:14:04,260 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-01 13:14:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:04,283 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-01 13:14:04,283 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:14:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 13:14:04,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676639210]
[2024-12-01 13:14:04,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676639210] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:04,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001071440]
[2024-12-01 13:14:04,744 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-01 13:14:04,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:04,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:04,746 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-01 13:14:04,859 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-01 13:14:04,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-01 13:14:04,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 58 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:04,865 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:04,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-12-01 13:14:04,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 13:14:04,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-01 13:14:05,017 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-12-01 13:14:05,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-12-01 13:14:05,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15
[2024-12-01 13:14:05,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2024-12-01 13:14:05,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41
[2024-12-01 13:14:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:05,735 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:05,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52
[2024-12-01 13:14:05,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36
[2024-12-01 13:14:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 13:14:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001071440] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:14:30,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:14:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 12] total 24
[2024-12-01 13:14:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561036616]
[2024-12-01 13:14:30,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:14:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-01 13:14:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:30,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-01 13:14:30,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=484, Unknown=6, NotChecked=0, Total=552
[2024-12-01 13:14:30,516 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand has 24 states, 24 states have (on average 3.1666666666666665) internal successors, (76), 24 states have internal predecessors, (76), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:14:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:31,362 INFO L93 Difference]: Finished difference Result 223 states and 268 transitions.
[2024-12-01 13:14:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-01 13:14:31,362 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.1666666666666665) internal successors, (76), 24 states have internal predecessors, (76), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51
[2024-12-01 13:14:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:31,364 INFO L225 Difference]: With dead ends: 223
[2024-12-01 13:14:31,364 INFO L226 Difference]: Without dead ends: 223
[2024-12-01 13:14:31,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=90, Invalid=660, Unknown=6, NotChecked=0, Total=756
[2024-12-01 13:14:31,366 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 37 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:31,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 833 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-01 13:14:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2024-12-01 13:14:31,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 194.
[2024-12-01 13:14:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 177 states have (on average 1.192090395480226) internal successors, (211), 180 states have internal predecessors, (211), 9 states have call successors, (9), 3 states have call predecessors, (9), 6 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18)
[2024-12-01 13:14:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 238 transitions.
[2024-12-01 13:14:31,379 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 238 transitions. Word has length 51
[2024-12-01 13:14:31,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:31,379 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 238 transitions.
[2024-12-01 13:14:31,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.1666666666666665) internal successors, (76), 24 states have internal predecessors, (76), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:14:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 238 transitions.
[2024-12-01 13:14:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-01 13:14:31,381 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:31,382 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:31,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-01 13:14:31,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:31,582 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:31,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:31,583 INFO L85 PathProgramCache]: Analyzing trace with hash -766219871, now seen corresponding path program 1 times
[2024-12-01 13:14:31,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:31,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028908035]
[2024-12-01 13:14:31,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-01 13:14:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:31,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028908035]
[2024-12-01 13:14:31,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028908035] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:31,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245330618]
[2024-12-01 13:14:31,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:31,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:31,886 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:31,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-01 13:14:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:32,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:32,007 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:32,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-01 13:14:32,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12
[2024-12-01 13:14:32,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8
[2024-12-01 13:14:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-01 13:14:32,416 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:32,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17
[2024-12-01 13:14:32,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13
[2024-12-01 13:14:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-12-01 13:14:32,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245330618] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:14:32,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:14:32,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 9] total 15
[2024-12-01 13:14:32,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874978022]
[2024-12-01 13:14:32,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:14:32,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-01 13:14:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:32,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-01 13:14:32,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210
[2024-12-01 13:14:32,527 INFO L87 Difference]: Start difference. First operand 194 states and 238 transitions. Second operand has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:14:32,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:32,865 INFO L93 Difference]: Finished difference Result 220 states and 266 transitions.
[2024-12-01 13:14:32,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-01 13:14:32,866 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51
[2024-12-01 13:14:32,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:32,867 INFO L225 Difference]: With dead ends: 220
[2024-12-01 13:14:32,868 INFO L226 Difference]: Without dead ends: 220
[2024-12-01 13:14:32,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420
[2024-12-01 13:14:32,868 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 61 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:32,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 488 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 13:14:32,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2024-12-01 13:14:32,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 202.
[2024-12-01 13:14:32,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 185 states have (on average 1.1945945945945946) internal successors, (221), 188 states have internal predecessors, (221), 9 states have call successors, (9), 3 states have call predecessors, (9), 6 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18)
[2024-12-01 13:14:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 248 transitions.
[2024-12-01 13:14:32,880 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 248 transitions. Word has length 51
[2024-12-01 13:14:32,880 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:32,880 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 248 transitions.
[2024-12-01 13:14:32,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 13:14:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 248 transitions.
[2024-12-01 13:14:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-12-01 13:14:32,881 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:32,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:32,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-01 13:14:33,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-01 13:14:33,082 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:33,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:33,082 INFO L85 PathProgramCache]: Analyzing trace with hash -372843972, now seen corresponding path program 1 times
[2024-12-01 13:14:33,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:33,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533980296]
[2024-12-01 13:14:33,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:33,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-01 13:14:33,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:33,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533980296]
[2024-12-01 13:14:33,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533980296] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:33,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075754579]
[2024-12-01 13:14:33,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:33,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:33,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:33,334 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-01 13:14:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:33,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:33,468 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-01 13:14:33,605 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-01 13:14:33,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075754579] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:14:33,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:14:33,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16
[2024-12-01 13:14:33,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388287006]
[2024-12-01 13:14:33,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:14:33,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-01 13:14:33,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:33,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-01 13:14:33,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240
[2024-12-01 13:14:33,932 INFO L87 Difference]: Start difference. First operand 202 states and 248 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 13:14:34,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:34,222 INFO L93 Difference]: Finished difference Result 210 states and 257 transitions.
[2024-12-01 13:14:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-01 13:14:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53
[2024-12-01 13:14:34,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:34,223 INFO L225 Difference]: With dead ends: 210
[2024-12-01 13:14:34,223 INFO L226 Difference]: Without dead ends: 210
[2024-12-01 13:14:34,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 98 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462
[2024-12-01 13:14:34,224 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 38 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:34,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 586 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-01 13:14:34,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-12-01 13:14:34,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 196.
[2024-12-01 13:14:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 180 states have (on average 1.1944444444444444) internal successors, (215), 183 states have internal predecessors, (215), 8 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16)
[2024-12-01 13:14:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions.
[2024-12-01 13:14:34,233 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 53
[2024-12-01 13:14:34,233 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:34,233 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions.
[2024-12-01 13:14:34,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 13:14:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions.
[2024-12-01 13:14:34,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-12-01 13:14:34,235 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:34,235 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:34,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-01 13:14:34,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-01 13:14:34,435 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:34,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 914474796, now seen corresponding path program 1 times
[2024-12-01 13:14:34,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:34,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942795752]
[2024-12-01 13:14:34,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 13:14:34,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:34,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942795752]
[2024-12-01 13:14:34,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942795752] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:34,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780477999]
[2024-12-01 13:14:34,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:34,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:34,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:34,759 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:34,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-01 13:14:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:34,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:34,875 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 13:14:35,101 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-01 13:14:35,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780477999] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 13:14:35,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 13:14:35,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24
[2024-12-01 13:14:35,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086199619]
[2024-12-01 13:14:35,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 13:14:35,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-01 13:14:35,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:35,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-01 13:14:35,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552
[2024-12-01 13:14:35,558 INFO L87 Difference]: Start difference. First operand 196 states and 239 transitions. Second operand has 24 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 22 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-12-01 13:14:35,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:35,976 INFO L93 Difference]: Finished difference Result 286 states and 366 transitions.
[2024-12-01 13:14:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-01 13:14:35,977 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 22 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53
[2024-12-01 13:14:35,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:35,979 INFO L225 Difference]: With dead ends: 286
[2024-12-01 13:14:35,979 INFO L226 Difference]: Without dead ends: 286
[2024-12-01 13:14:35,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870
[2024-12-01 13:14:35,980 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 92 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:35,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 680 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-01 13:14:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2024-12-01 13:14:35,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 223.
[2024-12-01 13:14:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 204 states have (on average 1.2205882352941178) internal successors, (249), 209 states have internal predecessors, (249), 8 states have call successors, (8), 4 states have call predecessors, (8), 9 states have return successors, (19), 9 states have call predecessors, (19), 8 states have call successors, (19)
[2024-12-01 13:14:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 276 transitions.
[2024-12-01 13:14:35,992 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 276 transitions. Word has length 53
[2024-12-01 13:14:35,992 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:35,992 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 276 transitions.
[2024-12-01 13:14:35,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 22 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 6 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-12-01 13:14:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 276 transitions.
[2024-12-01 13:14:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-12-01 13:14:35,993 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:35,993 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:36,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-01 13:14:36,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:36,194 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-01 13:14:36,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1337176622, now seen corresponding path program 1 times
[2024-12-01 13:14:36,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:36,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307600066]
[2024-12-01 13:14:36,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:14:36,215 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-01 13:14:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-01 13:14:36,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-01 13:14:36,250 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-01 13:14:36,251 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining)
[2024-12-01 13:14:36,253 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining)
[2024-12-01 13:14:36,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-01 13:14:36,257 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:36,291 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-01 13:14:36,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:14:36 BoogieIcfgContainer
[2024-12-01 13:14:36,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-01 13:14:36,295 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 13:14:36,295 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 13:14:36,295 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 13:14:36,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:13:24" (3/4) ...
[2024-12-01 13:14:36,297 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-01 13:14:36,343 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 24.
[2024-12-01 13:14:36,400 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 13:14:36,400 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-01 13:14:36,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 13:14:36,401 INFO L158 Benchmark]: Toolchain (without parser) took 72637.19ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 116.3MB in the beginning and 151.5MB in the end (delta: -35.2MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,401 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:14:36,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.55ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.59ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:14:36,402 INFO L158 Benchmark]: Boogie Preprocessor took 51.81ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,402 INFO L158 Benchmark]: RCFGBuilder took 455.43ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 76.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,402 INFO L158 Benchmark]: TraceAbstraction took 71572.17ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 75.5MB in the beginning and 156.9MB in the end (delta: -81.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,402 INFO L158 Benchmark]: Witness Printer took 105.32ms. Allocated memory is still 285.2MB. Free memory was 156.9MB in the beginning and 151.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-01 13:14:36,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 404.55ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.59ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.81ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 455.43ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 76.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 71572.17ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 75.5MB in the beginning and 156.9MB in the end (delta: -81.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Witness Printer took 105.32ms. Allocated memory is still 285.2MB. Free memory was 156.9MB in the beginning and 151.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 12]: not all allocated memory was freed
not all allocated memory was freed
We found a FailurePath:
[L627] CALL, EXPR _get_nondet_int(2, 5)
VAL [\old(from)=2, \old(until)=5]
[L620] int len = from;
VAL [\old(from)=2, \old(until)=5, len=2, until=5]
[L621] len < until && __VERIFIER_nondet_int()
[L621] len < until && __VERIFIER_nondet_int()
VAL [\old(from)=2, \old(until)=5, len=2, until=5]
[L621] COND FALSE !(len < until && __VERIFIER_nondet_int())
[L624] return len;
VAL [\old(from)=2, \old(until)=5, \result=2, until=5]
[L627] RET, EXPR _get_nondet_int(2, 5)
[L627] const int len = _get_nondet_int(2, 5);
[L628] SLL s = sll_create(len);
[L628] CALL, EXPR sll_create(len)
[L575] SLL head = ((void *)0);
VAL [head={0:0}, len=2]
[L576] EXPR len--
VAL [head={0:0}, len=1]
[L576] COND TRUE len-- > 0
[L577] SLL new_head = (SLL) malloc(sizeof(struct node));
[L578] COND FALSE !(((void *)0) == new_head)
VAL [head={0:0}, len=1, new_head={-1:0}]
[L581] new_head->next = head
[L582] head = new_head
[L576] EXPR len--
VAL [head={-1:0}, len=0]
[L576] COND TRUE len-- > 0
[L577] SLL new_head = (SLL) malloc(sizeof(struct node));
[L578] COND FALSE !(((void *)0) == new_head)
VAL [head={-1:0}, len=0, new_head={-2:0}]
[L581] new_head->next = head
[L582] head = new_head
[L576] EXPR len--
VAL [head={-2:0}, len=-1]
[L576] COND FALSE !(len-- > 0)
[L584] return head;
VAL [\result={-2:0}, len=-1]
[L628] RET, EXPR sll_create(len)
[L628] SLL s = sll_create(len);
[L629] CALL, EXPR _get_nondet_int(0, len - 1)
VAL [\old(from)=0, \old(until)=1]
[L620] int len = from;
VAL [\old(from)=0, \old(until)=1, len=0, until=1]
[L621] len < until && __VERIFIER_nondet_int()
[L621] len < until && __VERIFIER_nondet_int()
VAL [\old(from)=0, \old(until)=1, len=0, until=1]
[L621] COND TRUE len < until && __VERIFIER_nondet_int()
[L622] len++
VAL [\old(from)=0, \old(until)=1, len=1, until=1]
[L621] len < until && __VERIFIER_nondet_int()
VAL [\old(from)=0, \old(until)=1, len=1, until=1]
[L621] COND FALSE !(len < until && __VERIFIER_nondet_int())
[L624] return len;
VAL [\old(from)=0, \old(until)=1, \result=1, until=1]
[L629] RET, EXPR _get_nondet_int(0, len - 1)
VAL [len=2, s={3:0}]
[L629] const int k = _get_nondet_int(0, len - 1);
[L630] int i = 0;
VAL [i=0, k=1, len=2, s={3:0}]
[L631] i < k && __VERIFIER_nondet_int()
[L631] i < k && __VERIFIER_nondet_int()
VAL [i=0, k=1, len=2, s={3:0}]
[L631] COND FALSE !(i < k && __VERIFIER_nondet_int())
[L636] EXPR \read(s)
[L636] CALL, EXPR sll_length(s)
[L587] int len = 0;
VAL [head={-2:0}, len=0]
[L588] COND TRUE \read(head)
VAL [head={-2:0}, len=0]
[L589] len++
[L590] EXPR head->next
[L590] head = head->next
[L588] COND TRUE \read(head)
VAL [head={-1:0}, len=1]
[L589] len++
[L590] EXPR head->next
[L590] head = head->next
[L588] COND FALSE !(\read(head))
VAL [len=2]
[L592] return len;
VAL [\result=2]
[L636] RET, EXPR sll_length(s)
[L636] COND TRUE k + len != sll_length(s)
[L641] CALL reach_error()
[L12] COND FALSE !(0)
[L12] __assert_fail ("0", "sll_nondet_insert-1.c", 3, __extension__ __PRETTY_FUNCTION__)
- UnprovableResult [Line: 626]: 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 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 71.5s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 35.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 466 SdHoareTripleChecker+Valid, 34.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 5629 SdHoareTripleChecker+Invalid, 33.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4961 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1995 IncrementalHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 668 mSDtfsCounter, 1995 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 991 GetRequests, 788 SyntacticMatches, 15 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 27.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=12, InterpolantAutomatonStates: 135, 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, 12 MinimizatonAttempts, 263 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 32.1s InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1041 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1363 ConstructedInterpolants, 35 QuantifiedInterpolants, 7780 SizeOfPredicates, 48 NumberOfNonLiveVariables, 2015 ConjunctsInSsa, 248 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 339/538 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-01 13:14:36,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c464f7e4-59c4-4640-9134-ffb4285c6ac1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-memcleanup)