./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 12:43:56,908 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 12:43:56,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 12:43:56,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 12:43:56,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 12:43:56,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 12:43:56,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 12:43:56,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 12:43:56,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 12:43:56,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 12:43:56,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 12:43:56,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 12:43:56,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 12:43:56,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 12:43:56,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 12:43:56,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 12:43:56,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 12:43:56,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 12:43:56,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 12:43:56,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 12:43:56,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 12:43:56,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 12:43:56,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 12:43:56,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 12:43:56,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 12:43:56,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 12:43:56,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 12:43:56,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 12:43:56,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 12:43:56,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 12:43:56,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 12:43:56,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 12:43:56,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 12:43:56,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 12:43:56,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 12:43:56,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 12:43:56,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 12:43:56,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 12:43:56,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 12:43:56,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 12:43:56,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 12:43:56,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2022-12-13 12:43:56,959 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 12:43:56,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 12:43:56,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 12:43:56,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 12:43:56,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 12:43:56,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 12:43:56,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 12:43:56,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 12:43:56,961 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 12:43:56,962 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 12:43:56,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 12:43:56,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 12:43:56,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 12:43:56,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 12:43:56,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 12:43:56,964 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 12:43:56,965 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25
[2022-12-13 12:43:57,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 12:43:57,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 12:43:57,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 12:43:57,169 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 12:43:57,170 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 12:43:57,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/test-easy8.wvr.c
[2022-12-13 12:43:59,651 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 12:43:59,798 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 12:43:59,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/sv-benchmarks/c/weaver/test-easy8.wvr.c
[2022-12-13 12:43:59,802 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/data/9fb38d321/17d03d0385bc4631afa94d1d97658829/FLAG5f7849682
[2022-12-13 12:44:00,224 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/data/9fb38d321/17d03d0385bc4631afa94d1d97658829
[2022-12-13 12:44:00,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 12:44:00,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 12:44:00,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 12:44:00,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 12:44:00,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 12:44:00,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663977f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00, skipping insertion in model container
[2022-12-13 12:44:00,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 12:44:00,257 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 12:44:00,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:44:00,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:44:00,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:44:00,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:44:00,369 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/sv-benchmarks/c/weaver/test-easy8.wvr.c[1981,1994]
[2022-12-13 12:44:00,373 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 12:44:00,381 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 12:44:00,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:44:00,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:44:00,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:44:00,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:44:00,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/sv-benchmarks/c/weaver/test-easy8.wvr.c[1981,1994]
[2022-12-13 12:44:00,397 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 12:44:00,409 INFO L208 MainTranslator]: Completed translation
[2022-12-13 12:44:00,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00 WrapperNode
[2022-12-13 12:44:00,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 12:44:00,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 12:44:00,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 12:44:00,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 12:44:00,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,436 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61
[2022-12-13 12:44:00,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 12:44:00,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 12:44:00,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 12:44:00,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 12:44:00,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 12:44:00,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 12:44:00,456 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 12:44:00,456 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 12:44:00,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (1/1) ...
[2022-12-13 12:44:00,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 12:44:00,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:44:00,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 12:44:00,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 12:44:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 12:44:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-12-13 12:44:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-12-13 12:44:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-12-13 12:44:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-12-13 12:44:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 12:44:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 12:44:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 12:44:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 12:44:00,523 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 12:44:00,600 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 12:44:00,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 12:44:00,733 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 12:44:00,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 12:44:00,751 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-13 12:44:00,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:44:00 BoogieIcfgContainer
[2022-12-13 12:44:00,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 12:44:00,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 12:44:00,755 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 12:44:00,757 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 12:44:00,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:44:00" (1/3) ...
[2022-12-13 12:44:00,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4690ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:44:00, skipping insertion in model container
[2022-12-13 12:44:00,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:44:00" (2/3) ...
[2022-12-13 12:44:00,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4690ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:44:00, skipping insertion in model container
[2022-12-13 12:44:00,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:44:00" (3/3) ...
[2022-12-13 12:44:00,759 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c
[2022-12-13 12:44:00,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 12:44:00,772 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2022-12-13 12:44:00,772 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 12:44:00,817 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-12-13 12:44:00,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 184 flow
[2022-12-13 12:44:00,874 INFO L130 PetriNetUnfolder]: 2/82 cut-off events.
[2022-12-13 12:44:00,874 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-12-13 12:44:00,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 82 events. 2/82 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place.
[2022-12-13 12:44:00,878 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 184 flow
[2022-12-13 12:44:00,881 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 77 transitions, 166 flow
[2022-12-13 12:44:00,884 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:44:00,892 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 77 transitions, 166 flow
[2022-12-13 12:44:00,894 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 77 transitions, 166 flow
[2022-12-13 12:44:00,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 166 flow
[2022-12-13 12:44:00,909 INFO L130 PetriNetUnfolder]: 2/77 cut-off events.
[2022-12-13 12:44:00,909 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-12-13 12:44:00,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 77 events. 2/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place.
[2022-12-13 12:44:00,910 INFO L119 LiptonReduction]: Number of co-enabled transitions 412
[2022-12-13 12:44:02,970 INFO L134 LiptonReduction]: Checked pairs total: 588
[2022-12-13 12:44:02,970 INFO L136 LiptonReduction]: Total number of compositions: 78
[2022-12-13 12:44:02,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:44:02,986 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@37d0574a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:44:02,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2022-12-13 12:44:02,987 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:44:02,987 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:44:02,987 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:02,987 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:44:02,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 314, now seen corresponding path program 1 times
[2022-12-13 12:44:02,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:02,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535321646]
[2022-12-13 12:44:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535321646]
[2022-12-13 12:44:03,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535321646] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:44:03,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026040178]
[2022-12-13 12:44:03,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:44:03,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:44:03,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:44:03,088 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 162
[2022-12-13 12:44:03,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 52 flow. Second operand has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 162
[2022-12-13 12:44:03,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,127 INFO L130 PetriNetUnfolder]: 21/56 cut-off events.
[2022-12-13 12:44:03,128 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-12-13 12:44:03,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 56 events. 21/56 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 123 event pairs, 21 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 84. Up to 57 conditions per place.
[2022-12-13 12:44:03,129 INFO L137 encePairwiseOnDemand]: 159/162 looper letters, 17 selfloop transitions, 0 changer transitions 0/17 dead transitions.
[2022-12-13 12:44:03,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 17 transitions, 80 flow
[2022-12-13 12:44:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:44:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:44:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 170 transitions.
[2022-12-13 12:44:03,140 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5246913580246914
[2022-12-13 12:44:03,140 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 170 transitions.
[2022-12-13 12:44:03,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 170 transitions.
[2022-12-13 12:44:03,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 170 transitions.
[2022-12-13 12:44:03,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,150 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,152 INFO L175 Difference]: Start difference. First operand has 27 places, 20 transitions, 52 flow. Second operand 2 states and 170 transitions.
[2022-12-13 12:44:03,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 17 transitions, 80 flow
[2022-12-13 12:44:03,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 72 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-12-13 12:44:03,156 INFO L231 Difference]: Finished difference. Result has 21 places, 17 transitions, 38 flow
[2022-12-13 12:44:03,157 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=38, PETRI_PLACES=21, PETRI_TRANSITIONS=17}
[2022-12-13 12:44:03,160 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -6 predicate places.
[2022-12-13 12:44:03,161 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 38 flow
[2022-12-13 12:44:03,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,161 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,161 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:44:03,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 12:44:03,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,163 INFO L85 PathProgramCache]: Analyzing trace with hash 307285, now seen corresponding path program 1 times
[2022-12-13 12:44:03,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072180921]
[2022-12-13 12:44:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072180921]
[2022-12-13 12:44:03,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072180921] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-12-13 12:44:03,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973811437]
[2022-12-13 12:44:03,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:44:03,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:44:03,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:44:03,281 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 162
[2022-12-13 12:44:03,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 162
[2022-12-13 12:44:03,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,310 INFO L130 PetriNetUnfolder]: 19/50 cut-off events.
[2022-12-13 12:44:03,310 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:44:03,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 50 events. 19/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 104 event pairs, 19 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 103. Up to 50 conditions per place.
[2022-12-13 12:44:03,311 INFO L137 encePairwiseOnDemand]: 159/162 looper letters, 14 selfloop transitions, 1 changer transitions 0/15 dead transitions.
[2022-12-13 12:44:03,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 64 flow
[2022-12-13 12:44:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions.
[2022-12-13 12:44:03,313 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44238683127572015
[2022-12-13 12:44:03,313 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions.
[2022-12-13 12:44:03,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions.
[2022-12-13 12:44:03,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions.
[2022-12-13 12:44:03,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,317 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 38 flow. Second operand 3 states and 215 transitions.
[2022-12-13 12:44:03,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 64 flow
[2022-12-13 12:44:03,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 64 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:44:03,319 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 36 flow
[2022-12-13 12:44:03,319 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=21, PETRI_TRANSITIONS=15}
[2022-12-13 12:44:03,320 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -6 predicate places.
[2022-12-13 12:44:03,320 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 36 flow
[2022-12-13 12:44:03,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,320 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,320 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:44:03,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 12:44:03,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash 307286, now seen corresponding path program 1 times
[2022-12-13 12:44:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515556327]
[2022-12-13 12:44:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515556327]
[2022-12-13 12:44:03,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515556327] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-12-13 12:44:03,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550130708]
[2022-12-13 12:44:03,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:44:03,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:44:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:44:03,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 162
[2022-12-13 12:44:03,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 162
[2022-12-13 12:44:03,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,461 INFO L130 PetriNetUnfolder]: 17/44 cut-off events.
[2022-12-13 12:44:03,461 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:44:03,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 44 events. 17/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 90 event pairs, 17 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 92. Up to 44 conditions per place.
[2022-12-13 12:44:03,462 INFO L137 encePairwiseOnDemand]: 159/162 looper letters, 12 selfloop transitions, 1 changer transitions 0/13 dead transitions.
[2022-12-13 12:44:03,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 58 flow
[2022-12-13 12:44:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions.
[2022-12-13 12:44:03,463 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46296296296296297
[2022-12-13 12:44:03,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 225 transitions.
[2022-12-13 12:44:03,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 225 transitions.
[2022-12-13 12:44:03,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 225 transitions.
[2022-12-13 12:44:03,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,465 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,465 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 36 flow. Second operand 3 states and 225 transitions.
[2022-12-13 12:44:03,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 58 flow
[2022-12-13 12:44:03,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 13 transitions, 57 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:44:03,466 INFO L231 Difference]: Finished difference. Result has 20 places, 13 transitions, 33 flow
[2022-12-13 12:44:03,466 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=31, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=33, PETRI_PLACES=20, PETRI_TRANSITIONS=13}
[2022-12-13 12:44:03,466 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -7 predicate places.
[2022-12-13 12:44:03,466 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 13 transitions, 33 flow
[2022-12-13 12:44:03,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,467 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2022-12-13 12:44:03,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-12-13 12:44:03,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,467 INFO L85 PathProgramCache]: Analyzing trace with hash 295306471, now seen corresponding path program 1 times
[2022-12-13 12:44:03,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55904137]
[2022-12-13 12:44:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55904137]
[2022-12-13 12:44:03,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55904137] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:44:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018440095]
[2022-12-13 12:44:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 12:44:03,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 12:44:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-12-13 12:44:03,620 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 162
[2022-12-13 12:44:03,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 13 transitions, 33 flow. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 162
[2022-12-13 12:44:03,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,646 INFO L130 PetriNetUnfolder]: 13/36 cut-off events.
[2022-12-13 12:44:03,646 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:44:03,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 36 events. 13/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 60 event pairs, 13 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 77. Up to 36 conditions per place.
[2022-12-13 12:44:03,647 INFO L137 encePairwiseOnDemand]: 160/162 looper letters, 11 selfloop transitions, 1 changer transitions 0/12 dead transitions.
[2022-12-13 12:44:03,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 12 transitions, 55 flow
[2022-12-13 12:44:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions.
[2022-12-13 12:44:03,648 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44650205761316875
[2022-12-13 12:44:03,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions.
[2022-12-13 12:44:03,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions.
[2022-12-13 12:44:03,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions.
[2022-12-13 12:44:03,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,652 INFO L175 Difference]: Start difference. First operand has 20 places, 13 transitions, 33 flow. Second operand 3 states and 217 transitions.
[2022-12-13 12:44:03,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 12 transitions, 55 flow
[2022-12-13 12:44:03,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 12 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:44:03,652 INFO L231 Difference]: Finished difference. Result has 20 places, 12 transitions, 32 flow
[2022-12-13 12:44:03,653 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=32, PETRI_PLACES=20, PETRI_TRANSITIONS=12}
[2022-12-13 12:44:03,653 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -7 predicate places.
[2022-12-13 12:44:03,653 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 32 flow
[2022-12-13 12:44:03,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,654 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,654 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2022-12-13 12:44:03,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-12-13 12:44:03,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash 295306470, now seen corresponding path program 1 times
[2022-12-13 12:44:03,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198132763]
[2022-12-13 12:44:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198132763]
[2022-12-13 12:44:03,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198132763] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:44:03,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205489352]
[2022-12-13 12:44:03,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 12:44:03,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 12:44:03,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-12-13 12:44:03,749 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 162
[2022-12-13 12:44:03,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 32 flow. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 162
[2022-12-13 12:44:03,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,770 INFO L130 PetriNetUnfolder]: 9/28 cut-off events.
[2022-12-13 12:44:03,770 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:44:03,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 28 events. 9/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 9 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 62. Up to 28 conditions per place.
[2022-12-13 12:44:03,770 INFO L137 encePairwiseOnDemand]: 160/162 looper letters, 10 selfloop transitions, 1 changer transitions 0/11 dead transitions.
[2022-12-13 12:44:03,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 11 transitions, 52 flow
[2022-12-13 12:44:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions.
[2022-12-13 12:44:03,771 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4074074074074074
[2022-12-13 12:44:03,771 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 198 transitions.
[2022-12-13 12:44:03,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 198 transitions.
[2022-12-13 12:44:03,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 198 transitions.
[2022-12-13 12:44:03,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,773 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,773 INFO L175 Difference]: Start difference. First operand has 20 places, 12 transitions, 32 flow. Second operand 3 states and 198 transitions.
[2022-12-13 12:44:03,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 11 transitions, 52 flow
[2022-12-13 12:44:03,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 11 transitions, 51 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:44:03,774 INFO L231 Difference]: Finished difference. Result has 20 places, 11 transitions, 31 flow
[2022-12-13 12:44:03,774 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=31, PETRI_PLACES=20, PETRI_TRANSITIONS=11}
[2022-12-13 12:44:03,774 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -7 predicate places.
[2022-12-13 12:44:03,774 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 31 flow
[2022-12-13 12:44:03,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,775 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,775 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:44:03,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-12-13 12:44:03,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1152037201, now seen corresponding path program 1 times
[2022-12-13 12:44:03,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203002538]
[2022-12-13 12:44:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:03,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:03,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203002538]
[2022-12-13 12:44:03,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203002538] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:03,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:03,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:44:03,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558667755]
[2022-12-13 12:44:03,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:03,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:44:03,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:03,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:44:03,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:44:03,889 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 162
[2022-12-13 12:44:03,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 11 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:03,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 162
[2022-12-13 12:44:03,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:03,914 INFO L130 PetriNetUnfolder]: 8/32 cut-off events.
[2022-12-13 12:44:03,914 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-12-13 12:44:03,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 32 events. 8/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 54 event pairs, 4 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 71. Up to 22 conditions per place.
[2022-12-13 12:44:03,915 INFO L137 encePairwiseOnDemand]: 159/162 looper letters, 10 selfloop transitions, 2 changer transitions 4/16 dead transitions.
[2022-12-13 12:44:03,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 16 transitions, 75 flow
[2022-12-13 12:44:03,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions.
[2022-12-13 12:44:03,916 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48559670781893005
[2022-12-13 12:44:03,916 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions.
[2022-12-13 12:44:03,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions.
[2022-12-13 12:44:03,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:03,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions.
[2022-12-13 12:44:03,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,920 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,920 INFO L175 Difference]: Start difference. First operand has 20 places, 11 transitions, 31 flow. Second operand 3 states and 236 transitions.
[2022-12-13 12:44:03,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 16 transitions, 75 flow
[2022-12-13 12:44:03,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 16 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:44:03,922 INFO L231 Difference]: Finished difference. Result has 22 places, 11 transitions, 38 flow
[2022-12-13 12:44:03,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=38, PETRI_PLACES=22, PETRI_TRANSITIONS=11}
[2022-12-13 12:44:03,922 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places.
[2022-12-13 12:44:03,923 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 11 transitions, 38 flow
[2022-12-13 12:44:03,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:03,923 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:44:03,923 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:44:03,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-12-13 12:44:03,923 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 9 more)] ===
[2022-12-13 12:44:03,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:44:03,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1743321031, now seen corresponding path program 2 times
[2022-12-13 12:44:03,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:44:03,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995633625]
[2022-12-13 12:44:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:44:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:44:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:44:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:44:04,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:44:04,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995633625]
[2022-12-13 12:44:04,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995633625] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:44:04,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:44:04,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 12:44:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864365979]
[2022-12-13 12:44:04,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:44:04,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:44:04,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:44:04,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:44:04,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:44:04,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 162
[2022-12-13 12:44:04,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 11 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:04,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:44:04,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 162
[2022-12-13 12:44:04,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:44:04,026 INFO L130 PetriNetUnfolder]: 1/8 cut-off events.
[2022-12-13 12:44:04,026 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-12-13 12:44:04,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 8 events. 1/8 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/10 useless extension candidates. Maximal degree in co-relation 24. Up to 6 conditions per place.
[2022-12-13 12:44:04,027 INFO L137 encePairwiseOnDemand]: 160/162 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions.
[2022-12-13 12:44:04,027 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 7 transitions, 37 flow
[2022-12-13 12:44:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:44:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:44:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions.
[2022-12-13 12:44:04,028 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4670781893004115
[2022-12-13 12:44:04,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions.
[2022-12-13 12:44:04,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions.
[2022-12-13 12:44:04,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:44:04,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions.
[2022-12-13 12:44:04,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:04,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:04,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:04,030 INFO L175 Difference]: Start difference. First operand has 22 places, 11 transitions, 38 flow. Second operand 3 states and 227 transitions.
[2022-12-13 12:44:04,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 7 transitions, 37 flow
[2022-12-13 12:44:04,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 7 transitions, 35 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-12-13 12:44:04,031 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow
[2022-12-13 12:44:04,031 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=19, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0}
[2022-12-13 12:44:04,032 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -10 predicate places.
[2022-12-13 12:44:04,032 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow
[2022-12-13 12:44:04,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:44:04,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 12 remaining)
[2022-12-13 12:44:04,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 12 remaining)
[2022-12-13 12:44:04,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 12 remaining)
[2022-12-13 12:44:04,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 12 remaining)
[2022-12-13 12:44:04,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 12 remaining)
[2022-12-13 12:44:04,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (3 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (2 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining)
[2022-12-13 12:44:04,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining)
[2022-12-13 12:44:04,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-12-13 12:44:04,037 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1]
[2022-12-13 12:44:04,040 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-12-13 12:44:04,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 12:44:04,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:44:04 BasicIcfg
[2022-12-13 12:44:04,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 12:44:04,044 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 12:44:04,044 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-12-13 12:44:04,045 INFO L275 PluginConnector]: Witness Printer initialized
[2022-12-13 12:44:04,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:44:00" (3/4) ...
[2022-12-13 12:44:04,048 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-12-13 12:44:04,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-12-13 12:44:04,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-12-13 12:44:04,056 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2022-12-13 12:44:04,056 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-12-13 12:44:04,056 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-12-13 12:44:04,056 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 12:44:04,077 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/witness.graphml
[2022-12-13 12:44:04,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 12:44:04,078 INFO L158 Benchmark]: Toolchain (without parser) took 3849.64ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 99.4MB in the beginning and 94.8MB in the end (delta: 4.6MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,078 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 12:44:04,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.15ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 88.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,079 INFO L158 Benchmark]: Boogie Preprocessor took 18.99ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 12:44:04,079 INFO L158 Benchmark]: RCFGBuilder took 296.91ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 72.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,079 INFO L158 Benchmark]: TraceAbstraction took 3289.49ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 98.0MB in the end (delta: -26.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,080 INFO L158 Benchmark]: Witness Printer took 33.11ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 94.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 12:44:04,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 180.15ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 88.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.01ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 18.99ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 296.91ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 72.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 3289.49ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 98.0MB in the end (delta: -26.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB.
* Witness Printer took 33.11ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 94.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.1s, 82 PlacesBefore, 27 PlacesAfterwards, 77 TransitionsBefore, 20 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 78 TotalNumberOfCompositions, 588 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 501, independent: 487, independent conditional: 0, independent unconditional: 487, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 246, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 501, independent: 246, independent conditional: 0, independent unconditional: 246, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 75]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 62]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 100 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 7 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-12-13 12:44:04,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b927c668-9376-441f-9b2a-ad40c666707e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE