./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version e04fb08f
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_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8 --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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04
--- 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-e04fb08
[2022-11-16 12:31:06,463 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-16 12:31:06,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-16 12:31:06,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-16 12:31:06,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-16 12:31:06,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-16 12:31:06,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-16 12:31:06,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-16 12:31:06,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-16 12:31:06,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-16 12:31:06,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-16 12:31:06,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-16 12:31:06,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-16 12:31:06,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-16 12:31:06,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-16 12:31:06,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-16 12:31:06,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-16 12:31:06,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-16 12:31:06,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-16 12:31:06,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-16 12:31:06,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-16 12:31:06,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-16 12:31:06,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-16 12:31:06,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-16 12:31:06,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-16 12:31:06,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-16 12:31:06,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-16 12:31:06,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-16 12:31:06,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-16 12:31:06,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-16 12:31:06,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-16 12:31:06,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-16 12:31:06,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-16 12:31:06,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-16 12:31:06,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-16 12:31:06,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-16 12:31:06,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-16 12:31:06,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-16 12:31:06,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-16 12:31:06,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-16 12:31:06,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-16 12:31:06,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2022-11-16 12:31:06,634 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-16 12:31:06,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-16 12:31:06,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-16 12:31:06,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-16 12:31:06,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-16 12:31:06,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-16 12:31:06,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-16 12:31:06,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-16 12:31:06,643 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-16 12:31:06,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-16 12:31:06,645 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-16 12:31:06,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-16 12:31:06,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-16 12:31:06,647 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-16 12:31:06,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-16 12:31:06,648 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-11-16 12:31:06,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-11-16 12:31:06,648 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-11-16 12:31:06,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-16 12:31:06,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-16 12:31:06,650 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-16 12:31:06,650 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-16 12:31:06,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-16 12:31:06,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-16 12:31:06,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-16 12:31:06,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 12:31:06,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-16 12:31:06,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-16 12:31:06,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-16 12:31:06,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-16 12:31:06,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04
[2022-11-16 12:31:06,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-16 12:31:07,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-16 12:31:07,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-16 12:31:07,015 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-16 12:31:07,016 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-16 12:31:07,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i
[2022-11-16 12:31:07,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/data/51e274b1e/699df191797340d0ba5078ce623179bf/FLAG9a488eb27
[2022-11-16 12:31:07,837 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-16 12:31:07,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i
[2022-11-16 12:31:07,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/data/51e274b1e/699df191797340d0ba5078ce623179bf/FLAG9a488eb27
[2022-11-16 12:31:08,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/data/51e274b1e/699df191797340d0ba5078ce623179bf
[2022-11-16 12:31:08,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-16 12:31:08,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-16 12:31:08,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-16 12:31:08,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-16 12:31:08,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-16 12:31:08,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:31:08" (1/1) ...
[2022-11-16 12:31:08,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7889e325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:08, skipping insertion in model container
[2022-11-16 12:31:08,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:31:08" (1/1) ...
[2022-11-16 12:31:08,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-16 12:31:08,183 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-16 12:31:08,505 WARN L229 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_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100]
[2022-11-16 12:31:08,955 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-16 12:31:08,973 INFO L203 MainTranslator]: Completed pre-run
[2022-11-16 12:31:08,992 WARN L229 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_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100]
[2022-11-16 12:31:09,055 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-16 12:31:09,116 INFO L208 MainTranslator]: Completed translation
[2022-11-16 12:31:09,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09 WrapperNode
[2022-11-16 12:31:09,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-16 12:31:09,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-16 12:31:09,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-16 12:31:09,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-16 12:31:09,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,223 INFO L138 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105
[2022-11-16 12:31:09,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-16 12:31:09,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-16 12:31:09,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-16 12:31:09,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-16 12:31:09,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-16 12:31:09,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-16 12:31:09,294 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-16 12:31:09,294 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-16 12:31:09,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (1/1) ...
[2022-11-16 12:31:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 12:31:09,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:31:09,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-16 12:31:09,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-16 12:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure sleep
[2022-11-16 12:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-16 12:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure generate
[2022-11-16 12:31:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure generate
[2022-11-16 12:31:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-16 12:31:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-16 12:31:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-11-16 12:31:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-16 12:31:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure dispose
[2022-11-16 12:31:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose
[2022-11-16 12:31:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure process
[2022-11-16 12:31:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure process
[2022-11-16 12:31:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-16 12:31:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-16 12:31:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-16 12:31:09,383 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-16 12:31:09,795 INFO L235 CfgBuilder]: Building ICFG
[2022-11-16 12:31:09,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-16 12:31:10,089 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-16 12:31:10,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-16 12:31:10,099 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-16 12:31:10,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:10 BoogieIcfgContainer
[2022-11-16 12:31:10,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-16 12:31:10,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-16 12:31:10,106 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-16 12:31:10,110 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-16 12:31:10,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:31:08" (1/3) ...
[2022-11-16 12:31:10,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166ecdf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:10, skipping insertion in model container
[2022-11-16 12:31:10,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:31:09" (2/3) ...
[2022-11-16 12:31:10,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166ecdf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:31:10, skipping insertion in model container
[2022-11-16 12:31:10,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:10" (3/3) ...
[2022-11-16 12:31:10,113 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i
[2022-11-16 12:31:10,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-16 12:31:10,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations.
[2022-11-16 12:31:10,136 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-16 12:31:10,210 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-16 12:31:10,252 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-16 12:31:10,276 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 169 transitions, 353 flow
[2022-11-16 12:31:10,288 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 169 transitions, 353 flow
[2022-11-16 12:31:10,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 169 transitions, 353 flow
[2022-11-16 12:31:10,425 INFO L130 PetriNetUnfolder]: 12/166 cut-off events.
[2022-11-16 12:31:10,426 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-16 12:31:10,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 166 events. 12/166 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 353 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 131. Up to 2 conditions per place.
[2022-11-16 12:31:10,443 INFO L119 LiptonReduction]: Number of co-enabled transitions 10000
[2022-11-16 12:31:18,877 INFO L134 LiptonReduction]: Checked pairs total: 23068
[2022-11-16 12:31:18,877 INFO L136 LiptonReduction]: Total number of compositions: 158
[2022-11-16 12:31:18,893 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 55 transitions, 125 flow
[2022-11-16 12:31:19,328 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6328 states, 6317 states have (on average 4.254867817001742) internal successors, (26878), 6327 states have internal predecessors, (26878), 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)
[2022-11-16 12:31:19,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-16 12:31:19,361 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=FINITE_AUTOMATA, 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;@c045876, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-16 12:31:19,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2022-11-16 12:31:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 6328 states, 6317 states have (on average 4.254867817001742) internal successors, (26878), 6327 states have internal predecessors, (26878), 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)
[2022-11-16 12:31:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2
[2022-11-16 12:31:19,399 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:19,400 INFO L195 NwaCegarLoop]: trace histogram [1]
[2022-11-16 12:31:19,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 650, now seen corresponding path program 1 times
[2022-11-16 12:31:19,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:19,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943034092]
[2022-11-16 12:31:19,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:19,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:19,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943034092]
[2022-11-16 12:31:19,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943034092] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:19,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:19,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-11-16 12:31:19,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378751864]
[2022-11-16 12:31:19,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:19,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-16 12:31:19,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:19,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-16 12:31:19,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-16 12:31:19,827 INFO L87 Difference]: Start difference. First operand has 6328 states, 6317 states have (on average 4.254867817001742) internal successors, (26878), 6327 states have internal predecessors, (26878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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)
[2022-11-16 12:31:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:20,115 INFO L93 Difference]: Finished difference Result 5252 states and 21746 transitions.
[2022-11-16 12:31:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-16 12:31:20,121 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1
[2022-11-16 12:31:20,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:20,222 INFO L225 Difference]: With dead ends: 5252
[2022-11-16 12:31:20,222 INFO L226 Difference]: Without dead ends: 5252
[2022-11-16 12:31:20,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-16 12:31:20,228 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:20,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:20,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states.
[2022-11-16 12:31:20,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5252.
[2022-11-16 12:31:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5252 states, 5250 states have (on average 4.142095238095238) internal successors, (21746), 5251 states have internal predecessors, (21746), 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)
[2022-11-16 12:31:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 21746 transitions.
[2022-11-16 12:31:20,910 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 21746 transitions. Word has length 1
[2022-11-16 12:31:20,911 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:20,911 INFO L495 AbstractCegarLoop]: Abstraction has 5252 states and 21746 transitions.
[2022-11-16 12:31:20,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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)
[2022-11-16 12:31:20,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 21746 transitions.
[2022-11-16 12:31:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-11-16 12:31:20,916 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:20,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-11-16 12:31:20,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-16 12:31:20,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 638593, now seen corresponding path program 1 times
[2022-11-16 12:31:20,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:20,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226074485]
[2022-11-16 12:31:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:21,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:21,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226074485]
[2022-11-16 12:31:21,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226074485] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:21,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:21,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:21,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241498244]
[2022-11-16 12:31:21,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:21,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:21,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:21,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:21,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:21,400 INFO L87 Difference]: Start difference. First operand 5252 states and 21746 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2022-11-16 12:31:21,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:21,681 INFO L93 Difference]: Finished difference Result 5246 states and 21734 transitions.
[2022-11-16 12:31:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:21,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-11-16 12:31:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:21,747 INFO L225 Difference]: With dead ends: 5246
[2022-11-16 12:31:21,747 INFO L226 Difference]: Without dead ends: 5246
[2022-11-16 12:31:21,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:21,749 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 42 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:21,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 12 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states.
[2022-11-16 12:31:22,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5246.
[2022-11-16 12:31:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 5245 states have (on average 4.143755958055291) internal successors, (21734), 5245 states have internal predecessors, (21734), 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)
[2022-11-16 12:31:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 21734 transitions.
[2022-11-16 12:31:22,115 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 21734 transitions. Word has length 3
[2022-11-16 12:31:22,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:22,115 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 21734 transitions.
[2022-11-16 12:31:22,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2022-11-16 12:31:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 21734 transitions.
[2022-11-16 12:31:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-11-16 12:31:22,117 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:22,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-11-16 12:31:22,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-16 12:31:22,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:22,126 INFO L85 PathProgramCache]: Analyzing trace with hash 638595, now seen corresponding path program 1 times
[2022-11-16 12:31:22,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:22,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314098967]
[2022-11-16 12:31:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:22,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:22,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314098967]
[2022-11-16 12:31:22,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314098967] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:22,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:22,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:22,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394441676]
[2022-11-16 12:31:22,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:22,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:22,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:22,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:22,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:22,483 INFO L87 Difference]: Start difference. First operand 5246 states and 21734 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2022-11-16 12:31:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:22,707 INFO L93 Difference]: Finished difference Result 5240 states and 21722 transitions.
[2022-11-16 12:31:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:22,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-11-16 12:31:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:22,757 INFO L225 Difference]: With dead ends: 5240
[2022-11-16 12:31:22,758 INFO L226 Difference]: Without dead ends: 5240
[2022-11-16 12:31:22,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:22,759 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 41 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:22,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 12 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states.
[2022-11-16 12:31:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5240.
[2022-11-16 12:31:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5240 states, 5240 states have (on average 4.145419847328244) internal successors, (21722), 5239 states have internal predecessors, (21722), 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)
[2022-11-16 12:31:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 5240 states and 21722 transitions.
[2022-11-16 12:31:23,068 INFO L78 Accepts]: Start accepts. Automaton has 5240 states and 21722 transitions. Word has length 3
[2022-11-16 12:31:23,068 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:23,068 INFO L495 AbstractCegarLoop]: Abstraction has 5240 states and 21722 transitions.
[2022-11-16 12:31:23,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2022-11-16 12:31:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5240 states and 21722 transitions.
[2022-11-16 12:31:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-16 12:31:23,069 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:23,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-16 12:31:23,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-16 12:31:23,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash 613703683, now seen corresponding path program 1 times
[2022-11-16 12:31:23,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:23,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756584461]
[2022-11-16 12:31:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:23,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:23,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756584461]
[2022-11-16 12:31:23,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756584461] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:23,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:23,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:23,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134382438]
[2022-11-16 12:31:23,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:23,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:23,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:23,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:23,309 INFO L87 Difference]: Start difference. First operand 5240 states and 21722 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2022-11-16 12:31:23,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:23,524 INFO L93 Difference]: Finished difference Result 5162 states and 21482 transitions.
[2022-11-16 12:31:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:23,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-11-16 12:31:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:23,571 INFO L225 Difference]: With dead ends: 5162
[2022-11-16 12:31:23,572 INFO L226 Difference]: Without dead ends: 5162
[2022-11-16 12:31:23,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:23,576 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 38 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:23,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 12 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states.
[2022-11-16 12:31:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 5162.
[2022-11-16 12:31:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5162 states, 5162 states have (on average 4.161565284773344) internal successors, (21482), 5161 states have internal predecessors, (21482), 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)
[2022-11-16 12:31:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5162 states to 5162 states and 21482 transitions.
[2022-11-16 12:31:23,962 INFO L78 Accepts]: Start accepts. Automaton has 5162 states and 21482 transitions. Word has length 5
[2022-11-16 12:31:23,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:23,964 INFO L495 AbstractCegarLoop]: Abstraction has 5162 states and 21482 transitions.
[2022-11-16 12:31:23,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2022-11-16 12:31:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5162 states and 21482 transitions.
[2022-11-16 12:31:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-16 12:31:23,965 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:23,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-16 12:31:23,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-16 12:31:23,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:23,967 INFO L85 PathProgramCache]: Analyzing trace with hash 613703684, now seen corresponding path program 1 times
[2022-11-16 12:31:23,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:23,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059477004]
[2022-11-16 12:31:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:24,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059477004]
[2022-11-16 12:31:24,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059477004] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:24,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:24,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:24,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456355667]
[2022-11-16 12:31:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:24,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:24,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:24,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:24,137 INFO L87 Difference]: Start difference. First operand 5162 states and 21482 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2022-11-16 12:31:24,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:24,361 INFO L93 Difference]: Finished difference Result 5084 states and 21242 transitions.
[2022-11-16 12:31:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:24,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-11-16 12:31:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:24,510 INFO L225 Difference]: With dead ends: 5084
[2022-11-16 12:31:24,511 INFO L226 Difference]: Without dead ends: 5084
[2022-11-16 12:31:24,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:24,516 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 37 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:24,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 12 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5084 states.
[2022-11-16 12:31:24,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5084 to 5084.
[2022-11-16 12:31:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5084 states, 5084 states have (on average 4.178206136900078) internal successors, (21242), 5083 states have internal predecessors, (21242), 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)
[2022-11-16 12:31:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5084 states to 5084 states and 21242 transitions.
[2022-11-16 12:31:24,729 INFO L78 Accepts]: Start accepts. Automaton has 5084 states and 21242 transitions. Word has length 5
[2022-11-16 12:31:24,729 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:24,729 INFO L495 AbstractCegarLoop]: Abstraction has 5084 states and 21242 transitions.
[2022-11-16 12:31:24,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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)
[2022-11-16 12:31:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 5084 states and 21242 transitions.
[2022-11-16 12:31:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-16 12:31:24,732 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:24,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:24,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-16 12:31:24,733 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:24,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:24,734 INFO L85 PathProgramCache]: Analyzing trace with hash -828835955, now seen corresponding path program 1 times
[2022-11-16 12:31:24,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:24,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447011515]
[2022-11-16 12:31:24,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:24,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:24,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:24,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447011515]
[2022-11-16 12:31:24,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447011515] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:24,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:24,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-16 12:31:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322729673]
[2022-11-16 12:31:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:24,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:24,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:24,849 INFO L87 Difference]: Start difference. First operand 5084 states and 21242 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-11-16 12:31:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:25,106 INFO L93 Difference]: Finished difference Result 8360 states and 35066 transitions.
[2022-11-16 12:31:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:25,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-11-16 12:31:25,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:25,188 INFO L225 Difference]: With dead ends: 8360
[2022-11-16 12:31:25,188 INFO L226 Difference]: Without dead ends: 8360
[2022-11-16 12:31:25,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:25,190 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 33 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:25,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 18 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:25,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8360 states.
[2022-11-16 12:31:25,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8360 to 5630.
[2022-11-16 12:31:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5630 states, 5630 states have (on average 4.182238010657193) internal successors, (23546), 5629 states have internal predecessors, (23546), 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)
[2022-11-16 12:31:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5630 states to 5630 states and 23546 transitions.
[2022-11-16 12:31:25,604 INFO L78 Accepts]: Start accepts. Automaton has 5630 states and 23546 transitions. Word has length 8
[2022-11-16 12:31:25,605 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:25,605 INFO L495 AbstractCegarLoop]: Abstraction has 5630 states and 23546 transitions.
[2022-11-16 12:31:25,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-11-16 12:31:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 5630 states and 23546 transitions.
[2022-11-16 12:31:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-16 12:31:25,616 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:25,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:25,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-16 12:31:25,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:25,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1942516146, now seen corresponding path program 1 times
[2022-11-16 12:31:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:25,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844116213]
[2022-11-16 12:31:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:25,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:25,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844116213]
[2022-11-16 12:31:25,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844116213] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:25,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:25,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:25,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106133693]
[2022-11-16 12:31:25,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:25,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:25,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:25,996 INFO L87 Difference]: Start difference. First operand 5630 states and 23546 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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)
[2022-11-16 12:31:26,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:26,204 INFO L93 Difference]: Finished difference Result 7484 states and 31368 transitions.
[2022-11-16 12:31:26,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:26,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-16 12:31:26,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:26,267 INFO L225 Difference]: With dead ends: 7484
[2022-11-16 12:31:26,268 INFO L226 Difference]: Without dead ends: 7484
[2022-11-16 12:31:26,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:26,269 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 23 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:26,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 6 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7484 states.
[2022-11-16 12:31:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7484 to 7057.
[2022-11-16 12:31:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7057 states, 7057 states have (on average 4.2468471021680605) internal successors, (29970), 7056 states have internal predecessors, (29970), 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)
[2022-11-16 12:31:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7057 states to 7057 states and 29970 transitions.
[2022-11-16 12:31:26,586 INFO L78 Accepts]: Start accepts. Automaton has 7057 states and 29970 transitions. Word has length 10
[2022-11-16 12:31:26,586 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:26,586 INFO L495 AbstractCegarLoop]: Abstraction has 7057 states and 29970 transitions.
[2022-11-16 12:31:26,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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)
[2022-11-16 12:31:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 7057 states and 29970 transitions.
[2022-11-16 12:31:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-16 12:31:26,589 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:26,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:26,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-16 12:31:26,589 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -94914963, now seen corresponding path program 1 times
[2022-11-16 12:31:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073840543]
[2022-11-16 12:31:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:26,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:26,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073840543]
[2022-11-16 12:31:26,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073840543] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:26,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:26,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-16 12:31:26,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938853392]
[2022-11-16 12:31:26,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:26,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-16 12:31:26,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:26,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-16 12:31:26,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-16 12:31:26,822 INFO L87 Difference]: Start difference. First operand 7057 states and 29970 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:27,392 INFO L93 Difference]: Finished difference Result 14166 states and 59632 transitions.
[2022-11-16 12:31:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-16 12:31:27,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2022-11-16 12:31:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:27,510 INFO L225 Difference]: With dead ends: 14166
[2022-11-16 12:31:27,511 INFO L226 Difference]: Without dead ends: 14166
[2022-11-16 12:31:27,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:27,513 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 84 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:27,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 23 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-16 12:31:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14166 states.
[2022-11-16 12:31:27,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14166 to 9346.
[2022-11-16 12:31:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9346 states, 9346 states have (on average 4.170019259576289) internal successors, (38973), 9345 states have internal predecessors, (38973), 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)
[2022-11-16 12:31:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9346 states to 9346 states and 38973 transitions.
[2022-11-16 12:31:27,991 INFO L78 Accepts]: Start accepts. Automaton has 9346 states and 38973 transitions. Word has length 11
[2022-11-16 12:31:27,991 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:27,991 INFO L495 AbstractCegarLoop]: Abstraction has 9346 states and 38973 transitions.
[2022-11-16 12:31:27,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 9346 states and 38973 transitions.
[2022-11-16 12:31:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-16 12:31:27,995 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:27,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:27,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-16 12:31:27,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:27,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash 441496209, now seen corresponding path program 1 times
[2022-11-16 12:31:27,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:27,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593884269]
[2022-11-16 12:31:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:27,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:28,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:28,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593884269]
[2022-11-16 12:31:28,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593884269] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:28,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:28,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-16 12:31:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409227166]
[2022-11-16 12:31:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:28,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:28,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:28,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:28,338 INFO L87 Difference]: Start difference. First operand 9346 states and 38973 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2022-11-16 12:31:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:28,732 INFO L93 Difference]: Finished difference Result 16834 states and 67042 transitions.
[2022-11-16 12:31:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2022-11-16 12:31:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:28,929 INFO L225 Difference]: With dead ends: 16834
[2022-11-16 12:31:28,930 INFO L226 Difference]: Without dead ends: 16834
[2022-11-16 12:31:28,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:28,932 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:28,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 15 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-16 12:31:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16834 states.
[2022-11-16 12:31:29,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16834 to 13592.
[2022-11-16 12:31:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13592 states, 13591 states have (on average 4.05761165477154) internal successors, (55147), 13591 states have internal predecessors, (55147), 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)
[2022-11-16 12:31:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13592 states to 13592 states and 55147 transitions.
[2022-11-16 12:31:29,945 INFO L78 Accepts]: Start accepts. Automaton has 13592 states and 55147 transitions. Word has length 13
[2022-11-16 12:31:29,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:29,946 INFO L495 AbstractCegarLoop]: Abstraction has 13592 states and 55147 transitions.
[2022-11-16 12:31:29,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2022-11-16 12:31:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states and 55147 transitions.
[2022-11-16 12:31:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-16 12:31:29,948 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:29,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:29,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-16 12:31:29,949 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:29,950 INFO L85 PathProgramCache]: Analyzing trace with hash 890274869, now seen corresponding path program 1 times
[2022-11-16 12:31:29,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:29,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761627923]
[2022-11-16 12:31:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:30,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:30,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761627923]
[2022-11-16 12:31:30,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761627923] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-16 12:31:30,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685313345]
[2022-11-16 12:31:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:30,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:31:30,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-16 12:31:30,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-16 12:31:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:30,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-16 12:31:30,357 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-16 12:31:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:30,423 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-16 12:31:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:30,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685313345] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-16 12:31:30,458 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-16 12:31:30,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2022-11-16 12:31:30,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645581563]
[2022-11-16 12:31:30,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-16 12:31:30,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-16 12:31:30,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:30,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-16 12:31:30,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-16 12:31:30,460 INFO L87 Difference]: Start difference. First operand 13592 states and 55147 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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)
[2022-11-16 12:31:31,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:31,363 INFO L93 Difference]: Finished difference Result 37065 states and 148825 transitions.
[2022-11-16 12:31:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-16 12:31:31,365 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2022-11-16 12:31:31,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:31,651 INFO L225 Difference]: With dead ends: 37065
[2022-11-16 12:31:31,651 INFO L226 Difference]: Without dead ends: 37065
[2022-11-16 12:31:31,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-16 12:31:31,653 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 227 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:31,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 48 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-16 12:31:31,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37065 states.
[2022-11-16 12:31:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37065 to 33900.
[2022-11-16 12:31:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33900 states, 33899 states have (on average 4.101595917283696) internal successors, (139040), 33899 states have internal predecessors, (139040), 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)
[2022-11-16 12:31:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33900 states to 33900 states and 139040 transitions.
[2022-11-16 12:31:34,152 INFO L78 Accepts]: Start accepts. Automaton has 33900 states and 139040 transitions. Word has length 13
[2022-11-16 12:31:34,152 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 33900 states and 139040 transitions.
[2022-11-16 12:31:34,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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)
[2022-11-16 12:31:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33900 states and 139040 transitions.
[2022-11-16 12:31:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-11-16 12:31:34,171 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:34,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:34,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-16 12:31:34,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:34,379 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:34,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1360442287, now seen corresponding path program 1 times
[2022-11-16 12:31:34,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:34,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831252880]
[2022-11-16 12:31:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:34,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:34,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:34,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831252880]
[2022-11-16 12:31:34,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831252880] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:34,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:34,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-16 12:31:34,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708756378]
[2022-11-16 12:31:34,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:34,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-16 12:31:34,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:34,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-16 12:31:34,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-16 12:31:34,615 INFO L87 Difference]: Start difference. First operand 33900 states and 139040 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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)
[2022-11-16 12:31:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:35,375 INFO L93 Difference]: Finished difference Result 36109 states and 145773 transitions.
[2022-11-16 12:31:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-16 12:31:35,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-11-16 12:31:35,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:35,557 INFO L225 Difference]: With dead ends: 36109
[2022-11-16 12:31:35,557 INFO L226 Difference]: Without dead ends: 36109
[2022-11-16 12:31:35,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:35,558 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 89 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:35,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 11 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-16 12:31:35,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36109 states.
[2022-11-16 12:31:37,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36109 to 32743.
[2022-11-16 12:31:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32743 states, 32742 states have (on average 4.062152586891455) internal successors, (133003), 32742 states have internal predecessors, (133003), 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)
[2022-11-16 12:31:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32743 states to 32743 states and 133003 transitions.
[2022-11-16 12:31:37,328 INFO L78 Accepts]: Start accepts. Automaton has 32743 states and 133003 transitions. Word has length 15
[2022-11-16 12:31:37,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:37,329 INFO L495 AbstractCegarLoop]: Abstraction has 32743 states and 133003 transitions.
[2022-11-16 12:31:37,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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)
[2022-11-16 12:31:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32743 states and 133003 transitions.
[2022-11-16 12:31:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-16 12:31:37,332 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:37,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:37,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-16 12:31:37,333 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:37,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1636002906, now seen corresponding path program 1 times
[2022-11-16 12:31:37,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:37,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502955583]
[2022-11-16 12:31:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:37,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:37,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502955583]
[2022-11-16 12:31:37,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502955583] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:37,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:37,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-16 12:31:37,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254823557]
[2022-11-16 12:31:37,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:37,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:37,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:37,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:37,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:37,478 INFO L87 Difference]: Start difference. First operand 32743 states and 133003 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:38,437 INFO L93 Difference]: Finished difference Result 53544 states and 212491 transitions.
[2022-11-16 12:31:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:38,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-16 12:31:38,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:38,691 INFO L225 Difference]: With dead ends: 53544
[2022-11-16 12:31:38,691 INFO L226 Difference]: Without dead ends: 53544
[2022-11-16 12:31:38,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:38,692 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:38,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 17 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:38,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53544 states.
[2022-11-16 12:31:40,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53544 to 46934.
[2022-11-16 12:31:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46934 states, 46930 states have (on average 3.9645429362880886) internal successors, (186056), 46933 states have internal predecessors, (186056), 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)
[2022-11-16 12:31:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46934 states to 46934 states and 186056 transitions.
[2022-11-16 12:31:40,910 INFO L78 Accepts]: Start accepts. Automaton has 46934 states and 186056 transitions. Word has length 18
[2022-11-16 12:31:40,910 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:40,910 INFO L495 AbstractCegarLoop]: Abstraction has 46934 states and 186056 transitions.
[2022-11-16 12:31:40,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 46934 states and 186056 transitions.
[2022-11-16 12:31:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-16 12:31:40,917 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:40,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:40,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-16 12:31:40,918 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:40,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:40,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1030277623, now seen corresponding path program 1 times
[2022-11-16 12:31:40,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:40,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296042337]
[2022-11-16 12:31:40,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:40,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:41,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:41,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296042337]
[2022-11-16 12:31:41,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296042337] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:41,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:41,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-16 12:31:41,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664380470]
[2022-11-16 12:31:41,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:41,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-16 12:31:41,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:41,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-16 12:31:41,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:41,209 INFO L87 Difference]: Start difference. First operand 46934 states and 186056 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:41,425 INFO L93 Difference]: Finished difference Result 8446 states and 26537 transitions.
[2022-11-16 12:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-16 12:31:41,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-16 12:31:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:41,463 INFO L225 Difference]: With dead ends: 8446
[2022-11-16 12:31:41,463 INFO L226 Difference]: Without dead ends: 8446
[2022-11-16 12:31:41,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:41,464 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 67 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:41,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 12 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:41,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8446 states.
[2022-11-16 12:31:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8446 to 5665.
[2022-11-16 12:31:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 5663 states have (on average 3.1878862793572313) internal successors, (18053), 5664 states have internal predecessors, (18053), 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)
[2022-11-16 12:31:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 18053 transitions.
[2022-11-16 12:31:42,148 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 18053 transitions. Word has length 18
[2022-11-16 12:31:42,148 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:42,148 INFO L495 AbstractCegarLoop]: Abstraction has 5665 states and 18053 transitions.
[2022-11-16 12:31:42,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 18053 transitions.
[2022-11-16 12:31:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-11-16 12:31:42,153 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:42,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:42,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-16 12:31:42,154 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash 611478874, now seen corresponding path program 1 times
[2022-11-16 12:31:42,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:42,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474940647]
[2022-11-16 12:31:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:42,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474940647]
[2022-11-16 12:31:42,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474940647] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:42,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:42,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-16 12:31:42,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897727834]
[2022-11-16 12:31:42,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-16 12:31:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-16 12:31:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2022-11-16 12:31:42,493 INFO L87 Difference]: Start difference. First operand 5665 states and 18053 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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)
[2022-11-16 12:31:44,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:44,029 INFO L93 Difference]: Finished difference Result 19293 states and 59602 transitions.
[2022-11-16 12:31:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-11-16 12:31:44,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2022-11-16 12:31:44,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:44,106 INFO L225 Difference]: With dead ends: 19293
[2022-11-16 12:31:44,106 INFO L226 Difference]: Without dead ends: 19293
[2022-11-16 12:31:44,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600
[2022-11-16 12:31:44,107 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 354 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:44,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 26 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-11-16 12:31:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states.
[2022-11-16 12:31:44,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 10300.
[2022-11-16 12:31:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10300 states, 10298 states have (on average 3.179452320838998) internal successors, (32742), 10299 states have internal predecessors, (32742), 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)
[2022-11-16 12:31:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10300 states to 10300 states and 32742 transitions.
[2022-11-16 12:31:44,857 INFO L78 Accepts]: Start accepts. Automaton has 10300 states and 32742 transitions. Word has length 20
[2022-11-16 12:31:44,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:44,857 INFO L495 AbstractCegarLoop]: Abstraction has 10300 states and 32742 transitions.
[2022-11-16 12:31:44,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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)
[2022-11-16 12:31:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 10300 states and 32742 transitions.
[2022-11-16 12:31:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2022-11-16 12:31:44,862 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:44,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:44,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-16 12:31:44,862 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:44,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:44,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1770030924, now seen corresponding path program 1 times
[2022-11-16 12:31:44,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:44,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129314412]
[2022-11-16 12:31:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:45,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:45,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129314412]
[2022-11-16 12:31:45,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129314412] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:45,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:45,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-16 12:31:45,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598316501]
[2022-11-16 12:31:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:45,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-16 12:31:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:45,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-16 12:31:45,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:45,173 INFO L87 Difference]: Start difference. First operand 10300 states and 32742 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:45,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:45,533 INFO L93 Difference]: Finished difference Result 11428 states and 35954 transitions.
[2022-11-16 12:31:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-16 12:31:45,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22
[2022-11-16 12:31:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:45,563 INFO L225 Difference]: With dead ends: 11428
[2022-11-16 12:31:45,563 INFO L226 Difference]: Without dead ends: 11428
[2022-11-16 12:31:45,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-16 12:31:45,564 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 56 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:45,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 8 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-16 12:31:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11428 states.
[2022-11-16 12:31:45,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11428 to 10274.
[2022-11-16 12:31:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10274 states, 10272 states have (on average 3.16267523364486) internal successors, (32487), 10273 states have internal predecessors, (32487), 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)
[2022-11-16 12:31:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10274 states to 10274 states and 32487 transitions.
[2022-11-16 12:31:45,777 INFO L78 Accepts]: Start accepts. Automaton has 10274 states and 32487 transitions. Word has length 22
[2022-11-16 12:31:45,777 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:45,777 INFO L495 AbstractCegarLoop]: Abstraction has 10274 states and 32487 transitions.
[2022-11-16 12:31:45,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 10274 states and 32487 transitions.
[2022-11-16 12:31:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-16 12:31:45,782 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:45,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:45,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-11-16 12:31:45,783 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:45,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1445884707, now seen corresponding path program 1 times
[2022-11-16 12:31:45,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:45,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456645752]
[2022-11-16 12:31:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:45,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:46,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456645752]
[2022-11-16 12:31:46,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456645752] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:46,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:46,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-16 12:31:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809681639]
[2022-11-16 12:31:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:46,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-16 12:31:46,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:46,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-16 12:31:46,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:46,015 INFO L87 Difference]: Start difference. First operand 10274 states and 32487 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:46,182 INFO L93 Difference]: Finished difference Result 7622 states and 23410 transitions.
[2022-11-16 12:31:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-16 12:31:46,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2022-11-16 12:31:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:46,209 INFO L225 Difference]: With dead ends: 7622
[2022-11-16 12:31:46,209 INFO L226 Difference]: Without dead ends: 7622
[2022-11-16 12:31:46,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-16 12:31:46,210 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 75 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:46,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 16 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:46,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7622 states.
[2022-11-16 12:31:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7622 to 5884.
[2022-11-16 12:31:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5884 states, 5882 states have (on average 3.0164909894593674) internal successors, (17743), 5883 states have internal predecessors, (17743), 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)
[2022-11-16 12:31:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 17743 transitions.
[2022-11-16 12:31:46,535 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 17743 transitions. Word has length 23
[2022-11-16 12:31:46,535 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:46,535 INFO L495 AbstractCegarLoop]: Abstraction has 5884 states and 17743 transitions.
[2022-11-16 12:31:46,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 17743 transitions.
[2022-11-16 12:31:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2022-11-16 12:31:46,540 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:46,540 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:46,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-16 12:31:46,541 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:46,542 INFO L85 PathProgramCache]: Analyzing trace with hash -714798707, now seen corresponding path program 2 times
[2022-11-16 12:31:46,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:46,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657506086]
[2022-11-16 12:31:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:46,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:46,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:46,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657506086]
[2022-11-16 12:31:46,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657506086] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-16 12:31:46,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184440232]
[2022-11-16 12:31:46,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-16 12:31:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:31:46,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-16 12:31:46,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-16 12:31:46,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-11-16 12:31:46,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-16 12:31:46,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 24 conjunts are in the unsatisfiable core
[2022-11-16 12:31:46,926 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-16 12:31:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2022-11-16 12:31:47,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-16 12:31:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184440232] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:47,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-16 12:31:47,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [6] total 7
[2022-11-16 12:31:47,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118497599]
[2022-11-16 12:31:47,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:47,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:47,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-11-16 12:31:47,441 INFO L87 Difference]: Start difference. First operand 5884 states and 17743 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2022-11-16 12:31:47,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:47,528 INFO L93 Difference]: Finished difference Result 5882 states and 17735 transitions.
[2022-11-16 12:31:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:47,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28
[2022-11-16 12:31:47,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:47,550 INFO L225 Difference]: With dead ends: 5882
[2022-11-16 12:31:47,550 INFO L226 Difference]: Without dead ends: 5882
[2022-11-16 12:31:47,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-11-16 12:31:47,551 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:47,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 36 Unchecked, 0.0s Time]
[2022-11-16 12:31:47,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5882 states.
[2022-11-16 12:31:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5882 to 5882.
[2022-11-16 12:31:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5882 states, 5880 states have (on average 3.016156462585034) internal successors, (17735), 5881 states have internal predecessors, (17735), 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)
[2022-11-16 12:31:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 5882 states and 17735 transitions.
[2022-11-16 12:31:47,687 INFO L78 Accepts]: Start accepts. Automaton has 5882 states and 17735 transitions. Word has length 28
[2022-11-16 12:31:47,687 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:47,687 INFO L495 AbstractCegarLoop]: Abstraction has 5882 states and 17735 transitions.
[2022-11-16 12:31:47,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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)
[2022-11-16 12:31:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5882 states and 17735 transitions.
[2022-11-16 12:31:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-11-16 12:31:47,693 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:47,693 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:47,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-16 12:31:47,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-11-16 12:31:47,901 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:47,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:47,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1320772107, now seen corresponding path program 1 times
[2022-11-16 12:31:47,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:47,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752892216]
[2022-11-16 12:31:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:47,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:48,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752892216]
[2022-11-16 12:31:48,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752892216] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-16 12:31:48,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057310275]
[2022-11-16 12:31:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:48,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:31:48,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-16 12:31:48,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-16 12:31:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:48,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-16 12:31:48,323 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-16 12:31:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:48,369 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-16 12:31:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:31:48,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057310275] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-16 12:31:48,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-16 12:31:48,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2022-11-16 12:31:48,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151949134]
[2022-11-16 12:31:48,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-16 12:31:48,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-11-16 12:31:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:48,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-11-16 12:31:48,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2022-11-16 12:31:48,491 INFO L87 Difference]: Start difference. First operand 5882 states and 17735 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 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)
[2022-11-16 12:31:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:49,272 INFO L93 Difference]: Finished difference Result 10910 states and 31292 transitions.
[2022-11-16 12:31:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-11-16 12:31:49,273 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29
[2022-11-16 12:31:49,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:49,307 INFO L225 Difference]: With dead ends: 10910
[2022-11-16 12:31:49,308 INFO L226 Difference]: Without dead ends: 10910
[2022-11-16 12:31:49,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2022-11-16 12:31:49,309 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 533 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:49,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 96 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-16 12:31:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states.
[2022-11-16 12:31:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10856.
[2022-11-16 12:31:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10856 states, 10854 states have (on average 2.878846508199742) internal successors, (31247), 10855 states have internal predecessors, (31247), 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)
[2022-11-16 12:31:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10856 states to 10856 states and 31247 transitions.
[2022-11-16 12:31:49,681 INFO L78 Accepts]: Start accepts. Automaton has 10856 states and 31247 transitions. Word has length 29
[2022-11-16 12:31:49,682 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:49,682 INFO L495 AbstractCegarLoop]: Abstraction has 10856 states and 31247 transitions.
[2022-11-16 12:31:49,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 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)
[2022-11-16 12:31:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10856 states and 31247 transitions.
[2022-11-16 12:31:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-11-16 12:31:49,690 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:49,690 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:49,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-16 12:31:49,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-11-16 12:31:49,898 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2089940836, now seen corresponding path program 1 times
[2022-11-16 12:31:49,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:49,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394909378]
[2022-11-16 12:31:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:49,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2022-11-16 12:31:50,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394909378]
[2022-11-16 12:31:50,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394909378] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-16 12:31:50,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77340529]
[2022-11-16 12:31:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:50,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:31:50,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-16 12:31:50,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-16 12:31:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:50,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-11-16 12:31:50,650 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-16 12:31:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2022-11-16 12:31:50,823 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-16 12:31:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2022-11-16 12:31:50,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77340529] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-16 12:31:50,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-16 12:31:50,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7
[2022-11-16 12:31:50,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802252927]
[2022-11-16 12:31:50,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-16 12:31:50,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-11-16 12:31:50,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:50,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-11-16 12:31:50,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2022-11-16 12:31:50,994 INFO L87 Difference]: Start difference. First operand 10856 states and 31247 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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)
[2022-11-16 12:31:52,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:52,126 INFO L93 Difference]: Finished difference Result 13574 states and 37708 transitions.
[2022-11-16 12:31:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2022-11-16 12:31:52,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31
[2022-11-16 12:31:52,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:52,187 INFO L225 Difference]: With dead ends: 13574
[2022-11-16 12:31:52,195 INFO L226 Difference]: Without dead ends: 12840
[2022-11-16 12:31:52,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462
[2022-11-16 12:31:52,196 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 183 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:52,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 22 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-16 12:31:52,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12840 states.
[2022-11-16 12:31:52,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12840 to 3370.
[2022-11-16 12:31:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 3370 states have (on average 2.8643916913946588) internal successors, (9653), 3369 states have internal predecessors, (9653), 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)
[2022-11-16 12:31:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 9653 transitions.
[2022-11-16 12:31:52,408 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 9653 transitions. Word has length 31
[2022-11-16 12:31:52,408 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:52,408 INFO L495 AbstractCegarLoop]: Abstraction has 3370 states and 9653 transitions.
[2022-11-16 12:31:52,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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)
[2022-11-16 12:31:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 9653 transitions.
[2022-11-16 12:31:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2022-11-16 12:31:52,419 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-16 12:31:52,419 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:52,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-16 12:31:52,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-16 12:31:52,620 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] ===
[2022-11-16 12:31:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:31:52,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2027205365, now seen corresponding path program 2 times
[2022-11-16 12:31:52,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:31:52,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275874381]
[2022-11-16 12:31:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:31:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:31:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:31:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked.
[2022-11-16 12:31:54,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:31:54,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275874381]
[2022-11-16 12:31:54,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275874381] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:31:54,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:31:54,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:31:54,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591639842]
[2022-11-16 12:31:54,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:31:54,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-16 12:31:54,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:31:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-16 12:31:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:54,272 INFO L87 Difference]: Start difference. First operand 3370 states and 9653 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-16 12:31:54,344 INFO L93 Difference]: Finished difference Result 3188 states and 8999 transitions.
[2022-11-16 12:31:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-16 12:31:54,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59
[2022-11-16 12:31:54,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-16 12:31:54,345 INFO L225 Difference]: With dead ends: 3188
[2022-11-16 12:31:54,346 INFO L226 Difference]: Without dead ends: 0
[2022-11-16 12:31:54,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-16 12:31:54,347 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-16 12:31:54,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-16 12:31:54,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-16 12:31:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-16 12:31:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-16 12:31:54,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59
[2022-11-16 12:31:54,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-16 12:31:54,354 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-16 12:31:54,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 12:31:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-16 12:31:54,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-16 12:31:54,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 13 remaining)
[2022-11-16 12:31:54,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 13 remaining)
[2022-11-16 12:31:54,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining)
[2022-11-16 12:31:54,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining)
[2022-11-16 12:31:54,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining)
[2022-11-16 12:31:54,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining)
[2022-11-16 12:31:54,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (6 of 13 remaining)
[2022-11-16 12:31:54,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (5 of 13 remaining)
[2022-11-16 12:31:54,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining)
[2022-11-16 12:31:54,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining)
[2022-11-16 12:31:54,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining)
[2022-11-16 12:31:54,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 13 remaining)
[2022-11-16 12:31:54,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining)
[2022-11-16 12:31:54,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-11-16 12:31:54,364 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:31:54,371 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-16 12:31:54,371 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-16 12:31:54,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:31:54 BasicIcfg
[2022-11-16 12:31:54,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-16 12:31:54,378 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-16 12:31:54,378 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-16 12:31:54,378 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-16 12:31:54,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:31:10" (3/4) ...
[2022-11-16 12:31:54,382 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-16 12:31:54,389 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure process
[2022-11-16 12:31:54,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dispose
[2022-11-16 12:31:54,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generate
[2022-11-16 12:31:54,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2022-11-16 12:31:54,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-16 12:31:54,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-16 12:31:54,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-16 12:31:54,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/witness.graphml
[2022-11-16 12:31:54,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-16 12:31:54,451 INFO L158 Benchmark]: Toolchain (without parser) took 46368.70ms. Allocated memory was 104.9MB in the beginning and 11.6GB in the end (delta: 11.5GB). Free memory was 69.8MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,451 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 20.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-16 12:31:54,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.10ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 61.2MB in the end (delta: 8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.14ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 58.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,454 INFO L158 Benchmark]: Boogie Preprocessor took 57.18ms. Allocated memory is still 104.9MB. Free memory was 58.6MB in the beginning and 55.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,454 INFO L158 Benchmark]: RCFGBuilder took 819.23ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 55.7MB in the beginning and 109.3MB in the end (delta: -53.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,455 INFO L158 Benchmark]: TraceAbstraction took 44271.74ms. Allocated memory was 146.8MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 109.3MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,456 INFO L158 Benchmark]: Witness Printer took 72.95ms. Allocated memory is still 11.6GB. Free memory was 10.2GB in the beginning and 10.2GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-16 12:31:54,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 20.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1028.10ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 61.2MB in the end (delta: 8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 105.14ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 58.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.18ms. Allocated memory is still 104.9MB. Free memory was 58.6MB in the beginning and 55.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 819.23ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 55.7MB in the beginning and 109.3MB in the end (delta: -53.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 44271.74ms. Allocated memory was 146.8MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 109.3MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB.
* Witness Printer took 72.95ms. Allocated memory is still 11.6GB. Free memory was 10.2GB in the beginning and 10.2GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 8.6s, 167 PlacesBefore, 58 PlacesAfterwards, 169 TransitionsBefore, 55 TransitionsAfterwards, 10000 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 158 TotalNumberOfCompositions, 23068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11478, independent: 11064, independent conditional: 0, independent unconditional: 11064, dependent: 414, dependent conditional: 0, dependent unconditional: 414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6415, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6415, independent: 6257, independent conditional: 0, independent unconditional: 6257, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 158, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11478, independent: 4744, independent conditional: 0, independent unconditional: 4744, dependent: 319, dependent conditional: 0, dependent unconditional: 319, unknown: 6415, unknown conditional: 0, unknown unconditional: 6415] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 457, Positive conditional cache size: 0, Positive unconditional cache size: 457, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -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: 1199]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 19]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 19]: 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 7 procedures, 226 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 44.1s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1947 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1947 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 36 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3729 IncrementalHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 148 mSDtfsCounter, 3729 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 169 SyntacticMatches, 5 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46934occurred in iteration=12, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 48550 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 436 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 482 ConstructedInterpolants, 27 QuantifiedInterpolants, 4293 SizeOfPredicates, 8 NumberOfNonLiveVariables, 930 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 27 InterpolantComputations, 17 PerfectInterpolantSequences, 287/432 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
9 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-16 12:31:54,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0eaf48-6aaa-4051-95f6-99a8a658dba9/bin/uautomizer-tPACEb0tL8/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