./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y --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 beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:40:51,559 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:40:51,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:40:51,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:40:51,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:40:51,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:40:51,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:40:51,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:40:51,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:40:51,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:40:51,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:40:51,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:40:51,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:40:51,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:40:51,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:40:51,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:40:51,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:40:51,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:40:51,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:40:51,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:40:51,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:40:51,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:40:51,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:40:51,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:40:51,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:40:51,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:40:51,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:40:51,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:40:51,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:40:51,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:40:51,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:40:51,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:40:51,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:40:51,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:40:51,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:40:51,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:40:51,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:40:51,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:40:51,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:40:51,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:40:51,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:40:51,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-11-13 18:40:51,764 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:40:51,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:40:51,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:40:51,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:40:51,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:40:51,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:40:51,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:40:51,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:40:51,767 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:40:51,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:40:51,768 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:40:51,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:40:51,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:40:51,768 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:40:51,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:40:51,769 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-11-13 18:40:51,769 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-11-13 18:40:51,769 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-11-13 18:40:51,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:40:51,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-11-13 18:40:51,770 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:40:51,770 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:40:51,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:40:51,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:40:51,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:40:51,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:40:51,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:40:51,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:40:51,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:40:51,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:40:51,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:40:51,772 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_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d
[2021-11-13 18:40:52,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:40:52,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:40:52,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:40:52,180 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:40:52,181 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:40:52,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i
[2021-11-13 18:40:52,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/79d0672da/6b6744ebb1974712b53611cb22e7c14b/FLAG7350be63b
[2021-11-13 18:40:52,974 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:40:52,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i
[2021-11-13 18:40:52,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/79d0672da/6b6744ebb1974712b53611cb22e7c14b/FLAG7350be63b
[2021-11-13 18:40:53,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/79d0672da/6b6744ebb1974712b53611cb22e7c14b
[2021-11-13 18:40:53,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:40:53,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-11-13 18:40:53,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:53,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:40:53,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:40:53,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:53" (1/1) ...
[2021-11-13 18:40:53,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d9c7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:53, skipping insertion in model container
[2021-11-13 18:40:53,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:53" (1/1) ...
[2021-11-13 18:40:53,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:40:53,311 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:40:53,887 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:53,914 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2021-11-13 18:40:53,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ed5bec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:53, skipping insertion in model container
[2021-11-13 18:40:53,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:53,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2021-11-13 18:40:53,919 INFO L158 Benchmark]: Toolchain (without parser) took 704.76ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 75.9MB in the end (delta: -4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:40:53,921 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:40:53,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.47ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 76.4MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:40:53,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 701.47ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 76.4MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax
Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y --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 beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:40:56,504 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:40:56,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:40:56,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:40:56,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:40:56,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:40:56,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:40:56,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:40:56,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:40:56,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:40:56,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:40:56,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:40:56,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:40:56,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:40:56,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:40:56,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:40:56,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:40:56,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:40:56,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:40:56,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:40:56,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:40:56,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:40:56,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:40:56,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:40:56,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:40:56,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:40:56,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:40:56,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:40:56,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:40:56,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:40:56,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:40:56,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:40:56,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:40:56,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:40:56,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:40:56,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:40:56,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:40:56,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:40:56,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:40:56,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:40:56,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:40:56,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2021-11-13 18:40:56,679 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:40:56,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:40:56,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:40:56,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:40:56,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:40:56,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:40:56,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:40:56,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:40:56,684 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:40:56,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:40:56,686 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:40:56,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:40:56,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:40:56,686 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:40:56,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:40:56,687 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-11-13 18:40:56,687 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-11-13 18:40:56,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-11-13 18:40:56,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:40:56,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-11-13 18:40:56,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 18:40:56,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 18:40:56,689 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:40:56,689 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:40:56,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:40:56,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:40:56,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:40:56,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:40:56,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:40:56,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:40:56,691 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 18:40:56,691 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 18:40:56,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:40:56,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 18:40:56,692 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d
[2021-11-13 18:40:57,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:40:57,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:40:57,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:40:57,173 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:40:57,174 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:40:57,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i
[2021-11-13 18:40:57,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/1e0fedd70/be2fe37a8ef743c99f8591280b25c207/FLAG0cc0d10b7
[2021-11-13 18:40:57,961 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:40:57,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i
[2021-11-13 18:40:57,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/1e0fedd70/be2fe37a8ef743c99f8591280b25c207/FLAG0cc0d10b7
[2021-11-13 18:40:58,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/data/1e0fedd70/be2fe37a8ef743c99f8591280b25c207
[2021-11-13 18:40:58,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:40:58,168 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-11-13 18:40:58,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:58,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:40:58,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:40:58,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:58,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6587df5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58, skipping insertion in model container
[2021-11-13 18:40:58,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:58,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:40:58,236 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:40:58,693 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:58,714 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-11-13 18:40:58,725 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:40:58,773 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:58,782 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:40:58,833 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:40:58,888 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:40:58,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58 WrapperNode
[2021-11-13 18:40:58,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:40:58,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:40:58,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:40:58,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:40:58,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:58,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:58,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:58,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:59,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:59,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:59,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:59,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:40:59,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:40:59,045 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:40:59,045 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:40:59,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (1/1) ...
[2021-11-13 18:40:59,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:40:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:40:59,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:40:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:40:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-11-13 18:40:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2021-11-13 18:40:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del
[2021-11-13 18:40:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg
[2021-11-13 18:40:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get
[2021-11-13 18:40:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal
[2021-11-13 18:40:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure g
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2021-11-13 18:40:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2021-11-13 18:40:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2021-11-13 18:40:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2021-11-13 18:40:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity
[2021-11-13 18:40:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-11-13 18:40:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2021-11-13 18:40:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2021-11-13 18:40:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2021-11-13 18:40:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-11-13 18:40:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2021-11-13 18:40:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-11-13 18:40:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2021-11-13 18:40:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2021-11-13 18:40:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2021-11-13 18:40:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2021-11-13 18:40:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-11-13 18:40:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-11-13 18:40:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-11-13 18:40:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2021-11-13 18:40:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2021-11-13 18:40:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2021-11-13 18:40:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure kfree
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure memset
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2021-11-13 18:40:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add
[2021-11-13 18:40:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill
[2021-11-13 18:40:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata
[2021-11-13 18:40:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2021-11-13 18:40:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get
[2021-11-13 18:40:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure g
[2021-11-13 18:40:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode
[2021-11-13 18:40:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-11-13 18:40:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-11-13 18:40:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4
[2021-11-13 18:40:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4
[2021-11-13 18:40:59,860 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:41:00,233 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:41:00,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:41:00,588 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:41:00,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:41:00 BoogieIcfgContainer
[2021-11-13 18:41:00,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:41:00,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:41:00,594 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:41:00,597 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:41:00,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:40:58" (1/3) ...
[2021-11-13 18:41:00,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b109f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:41:00, skipping insertion in model container
[2021-11-13 18:41:00,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:40:58" (2/3) ...
[2021-11-13 18:41:00,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b109f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:41:00, skipping insertion in model container
[2021-11-13 18:41:00,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:41:00" (3/3) ...
[2021-11-13 18:41:00,602 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-2.i
[2021-11-13 18:41:00,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:41:00,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations.
[2021-11-13 18:41:00,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:41:00,667 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:41:00,668 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations.
[2021-11-13 18:41:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 132 states have internal predecessors, (141), 23 states have call successors, (23), 21 states have call predecessors, (23), 21 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2021-11-13 18:41:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 18:41:00,697 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:00,698 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:00,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_kobject_createErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:00,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:00,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1536723929, now seen corresponding path program 1 times
[2021-11-13 18:41:00,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:00,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097097493]
[2021-11-13 18:41:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:00,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:00,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:00,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:00,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 18:41:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:00,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:41:00,999 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:01,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:01,204 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:01,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:01,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097097493]
[2021-11-13 18:41:01,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097097493] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:01,331 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:01,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-11-13 18:41:01,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319166857]
[2021-11-13 18:41:01,341 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:01,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:41:01,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:01,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:41:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:01,397 INFO L87 Difference]: Start difference. First operand has 175 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 132 states have internal predecessors, (141), 23 states have call successors, (23), 21 states have call predecessors, (23), 21 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:41:01,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:01,748 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions.
[2021-11-13 18:41:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:41:01,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2021-11-13 18:41:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:01,764 INFO L225 Difference]: With dead ends: 157
[2021-11-13 18:41:01,765 INFO L226 Difference]: Without dead ends: 154
[2021-11-13 18:41:01,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:01,771 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 5 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 276.45ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:01,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 521 Invalid, 114 Unknown, 0 Unchecked, 14.70ms Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 276.45ms Time]
[2021-11-13 18:41:01,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2021-11-13 18:41:01,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148.
[2021-11-13 18:41:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 109 states have internal predecessors, (116), 22 states have call successors, (22), 20 states have call predecessors, (22), 20 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22)
[2021-11-13 18:41:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 160 transitions.
[2021-11-13 18:41:01,851 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 160 transitions. Word has length 17
[2021-11-13 18:41:01,852 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:01,852 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 160 transitions.
[2021-11-13 18:41:01,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:41:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 160 transitions.
[2021-11-13 18:41:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 18:41:01,853 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:01,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:01,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:02,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:02,069 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_kobject_createErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:02,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:02,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1536723928, now seen corresponding path program 1 times
[2021-11-13 18:41:02,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:02,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120729557]
[2021-11-13 18:41:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:02,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:02,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:02,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:02,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 18:41:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:02,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:41:02,234 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:02,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:02,409 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:02,832 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:02,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120729557]
[2021-11-13 18:41:02,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120729557] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:02,832 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:02,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2021-11-13 18:41:02,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853888199]
[2021-11-13 18:41:02,833 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:02,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:41:02,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:41:02,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:41:02,837 INFO L87 Difference]: Start difference. First operand 148 states and 160 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:03,613 INFO L93 Difference]: Finished difference Result 153 states and 165 transitions.
[2021-11-13 18:41:03,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:41:03,615 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17
[2021-11-13 18:41:03,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:03,617 INFO L225 Difference]: With dead ends: 153
[2021-11-13 18:41:03,617 INFO L226 Difference]: Without dead ends: 153
[2021-11-13 18:41:03,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:41:03,619 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 8 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 632.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 724.31ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:03,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 1193 Invalid, 202 Unknown, 0 Unchecked, 8.69ms Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 724.31ms Time]
[2021-11-13 18:41:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2021-11-13 18:41:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148.
[2021-11-13 18:41:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 109 states have internal predecessors, (115), 22 states have call successors, (22), 20 states have call predecessors, (22), 20 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22)
[2021-11-13 18:41:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions.
[2021-11-13 18:41:03,640 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 17
[2021-11-13 18:41:03,640 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:03,640 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 159 transitions.
[2021-11-13 18:41:03,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions.
[2021-11-13 18:41:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 18:41:03,641 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:03,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:03,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:03,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:03,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_kobject_createErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:03,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1508094778, now seen corresponding path program 1 times
[2021-11-13 18:41:03,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:03,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387238996]
[2021-11-13 18:41:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:03,861 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:03,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:03,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:03,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 18:41:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:04,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 18:41:04,016 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:04,090 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:04,181 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:04,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387238996]
[2021-11-13 18:41:04,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387238996] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:04,181 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:04,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5
[2021-11-13 18:41:04,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939711352]
[2021-11-13 18:41:04,182 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:04,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:41:04,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:41:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:04,184 INFO L87 Difference]: Start difference. First operand 148 states and 159 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:41:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:04,210 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions.
[2021-11-13 18:41:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:41:04,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2021-11-13 18:41:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:04,212 INFO L225 Difference]: With dead ends: 147
[2021-11-13 18:41:04,213 INFO L226 Difference]: Without dead ends: 147
[2021-11-13 18:41:04,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:04,214 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.77ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.10ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:04,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 598 Invalid, 13 Unknown, 0 Unchecked, 2.77ms Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 15.10ms Time]
[2021-11-13 18:41:04,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2021-11-13 18:41:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145.
[2021-11-13 18:41:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 81 states have (on average 1.382716049382716) internal successors, (112), 106 states have internal predecessors, (112), 21 states have call successors, (21), 20 states have call predecessors, (21), 20 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21)
[2021-11-13 18:41:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 154 transitions.
[2021-11-13 18:41:04,234 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 154 transitions. Word has length 17
[2021-11-13 18:41:04,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:04,235 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 154 transitions.
[2021-11-13 18:41:04,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-13 18:41:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions.
[2021-11-13 18:41:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-11-13 18:41:04,236 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:04,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:04,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:04,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:04,448 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_atomic_add_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash 819266671, now seen corresponding path program 1 times
[2021-11-13 18:41:04,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:04,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484578323]
[2021-11-13 18:41:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:04,450 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:04,451 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:04,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 18:41:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:41:04,606 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:04,676 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:04,765 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:04,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484578323]
[2021-11-13 18:41:04,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484578323] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:04,766 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:04,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5
[2021-11-13 18:41:04,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373853281]
[2021-11-13 18:41:04,766 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:04,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 18:41:04,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:04,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:41:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:04,768 INFO L87 Difference]: Start difference. First operand 145 states and 154 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:04,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:04,803 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions.
[2021-11-13 18:41:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:41:04,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27
[2021-11-13 18:41:04,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:04,809 INFO L225 Difference]: With dead ends: 147
[2021-11-13 18:41:04,810 INFO L226 Difference]: Without dead ends: 147
[2021-11-13 18:41:04,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:41:04,817 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 4 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.58ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:04,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 588 Invalid, 13 Unknown, 0 Unchecked, 6.31ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 11.58ms Time]
[2021-11-13 18:41:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2021-11-13 18:41:04,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145.
[2021-11-13 18:41:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 106 states have internal predecessors, (111), 21 states have call successors, (21), 20 states have call predecessors, (21), 20 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21)
[2021-11-13 18:41:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions.
[2021-11-13 18:41:04,849 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 27
[2021-11-13 18:41:04,849 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:04,849 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions.
[2021-11-13 18:41:04,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions.
[2021-11-13 18:41:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-11-13 18:41:04,851 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:04,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:04,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:05,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:05,052 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_atomic_add_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:05,052 INFO L85 PathProgramCache]: Analyzing trace with hash 308732494, now seen corresponding path program 1 times
[2021-11-13 18:41:05,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:05,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604637890]
[2021-11-13 18:41:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:05,053 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:05,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:05,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:05,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 18:41:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:05,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 18:41:05,200 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:05,359 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:05,500 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:05,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604637890]
[2021-11-13 18:41:05,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604637890] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:05,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:05,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7
[2021-11-13 18:41:05,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997054008]
[2021-11-13 18:41:05,501 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:05,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:41:05,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:41:05,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:41:05,502 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:05,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:05,570 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions.
[2021-11-13 18:41:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:41:05,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27
[2021-11-13 18:41:05,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:05,572 INFO L225 Difference]: With dead ends: 162
[2021-11-13 18:41:05,572 INFO L226 Difference]: Without dead ends: 162
[2021-11-13 18:41:05,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:41:05,574 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 11 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:05,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 882 Invalid, 32 Unknown, 0 Unchecked, 3.27ms Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 42.28ms Time]
[2021-11-13 18:41:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2021-11-13 18:41:05,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154.
[2021-11-13 18:41:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 113 states have internal predecessors, (117), 22 states have call successors, (22), 21 states have call predecessors, (22), 22 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23)
[2021-11-13 18:41:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 162 transitions.
[2021-11-13 18:41:05,596 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 162 transitions. Word has length 27
[2021-11-13 18:41:05,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:05,597 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 162 transitions.
[2021-11-13 18:41:05,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2021-11-13 18:41:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions.
[2021-11-13 18:41:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-11-13 18:41:05,600 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:05,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:05,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:05,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:05,814 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_kref_initErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash -609527379, now seen corresponding path program 1 times
[2021-11-13 18:41:05,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:05,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474999670]
[2021-11-13 18:41:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:05,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:05,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-13 18:41:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:05,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:41:05,985 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:06,059 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:06,201 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:06,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474999670]
[2021-11-13 18:41:06,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474999670] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:06,201 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:06,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2021-11-13 18:41:06,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022543078]
[2021-11-13 18:41:06,202 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:06,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:41:06,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:41:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:41:06,206 INFO L87 Difference]: Start difference. First operand 154 states and 162 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:06,257 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions.
[2021-11-13 18:41:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:41:06,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32
[2021-11-13 18:41:06,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:06,259 INFO L225 Difference]: With dead ends: 160
[2021-11-13 18:41:06,260 INFO L226 Difference]: Without dead ends: 156
[2021-11-13 18:41:06,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:41:06,261 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 6 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.83ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:06,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 586 Invalid, 17 Unknown, 0 Unchecked, 1.83ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 35.30ms Time]
[2021-11-13 18:41:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2021-11-13 18:41:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156.
[2021-11-13 18:41:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 115 states have internal predecessors, (119), 22 states have call successors, (22), 21 states have call predecessors, (22), 22 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23)
[2021-11-13 18:41:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions.
[2021-11-13 18:41:06,287 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 32
[2021-11-13 18:41:06,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:06,288 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions.
[2021-11-13 18:41:06,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions.
[2021-11-13 18:41:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-11-13 18:41:06,293 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:06,293 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:06,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:06,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:06,506 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_kref_initErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:06,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1756995251, now seen corresponding path program 1 times
[2021-11-13 18:41:06,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:06,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932162579]
[2021-11-13 18:41:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:06,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:06,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:06,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:06,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2021-11-13 18:41:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:06,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-11-13 18:41:06,692 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:06,787 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:06,998 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:06,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932162579]
[2021-11-13 18:41:06,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932162579] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:41:06,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:41:06,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2021-11-13 18:41:06,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383067477]
[2021-11-13 18:41:06,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:41:07,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:41:07,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:07,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:41:07,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:41:07,000 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:07,218 INFO L93 Difference]: Finished difference Result 164 states and 174 transitions.
[2021-11-13 18:41:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-11-13 18:41:07,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34
[2021-11-13 18:41:07,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:07,221 INFO L225 Difference]: With dead ends: 164
[2021-11-13 18:41:07,221 INFO L226 Difference]: Without dead ends: 160
[2021-11-13 18:41:07,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:41:07,223 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 17 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.35ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.07ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:07,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 588 Invalid, 40 Unknown, 0 Unchecked, 2.35ms Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 83.07ms Time]
[2021-11-13 18:41:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2021-11-13 18:41:07,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2021-11-13 18:41:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 93 states have (on average 1.3225806451612903) internal successors, (123), 119 states have internal predecessors, (123), 22 states have call successors, (22), 21 states have call predecessors, (22), 22 states have return successors, (23), 22 states have call predecessors, (23), 21 states have call successors, (23)
[2021-11-13 18:41:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 168 transitions.
[2021-11-13 18:41:07,232 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 168 transitions. Word has length 34
[2021-11-13 18:41:07,233 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:07,233 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 168 transitions.
[2021-11-13 18:41:07,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 168 transitions.
[2021-11-13 18:41:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-11-13 18:41:07,235 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:07,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:07,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:07,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:07,458 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_atomic_sub_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:07,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:07,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1330547251, now seen corresponding path program 1 times
[2021-11-13 18:41:07,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:07,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679381627]
[2021-11-13 18:41:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:07,460 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:07,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:07,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:07,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2021-11-13 18:41:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:07,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 18:41:07,621 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:07,808 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:07,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:07,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679381627]
[2021-11-13 18:41:07,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679381627] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:07,984 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:07,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7
[2021-11-13 18:41:07,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589103515]
[2021-11-13 18:41:07,984 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:07,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 18:41:07,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:41:07,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:41:07,986 INFO L87 Difference]: Start difference. First operand 160 states and 168 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:41:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:08,047 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions.
[2021-11-13 18:41:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:41:08,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36
[2021-11-13 18:41:08,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:08,050 INFO L225 Difference]: With dead ends: 171
[2021-11-13 18:41:08,050 INFO L226 Difference]: Without dead ends: 171
[2021-11-13 18:41:08,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:41:08,052 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 7 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.88ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.63ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:08,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 882 Invalid, 33 Unknown, 0 Unchecked, 2.88ms Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 36.63ms Time]
[2021-11-13 18:41:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states.
[2021-11-13 18:41:08,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167.
[2021-11-13 18:41:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 97 states have (on average 1.309278350515464) internal successors, (127), 123 states have internal predecessors, (127), 24 states have call successors, (24), 22 states have call predecessors, (24), 23 states have return successors, (25), 24 states have call predecessors, (25), 23 states have call successors, (25)
[2021-11-13 18:41:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 176 transitions.
[2021-11-13 18:41:08,061 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 176 transitions. Word has length 36
[2021-11-13 18:41:08,062 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:08,062 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 176 transitions.
[2021-11-13 18:41:08,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:41:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 176 transitions.
[2021-11-13 18:41:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:41:08,064 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:08,064 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:08,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:08,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:08,282 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_kref_initErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1177798515, now seen corresponding path program 2 times
[2021-11-13 18:41:08,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:08,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423390345]
[2021-11-13 18:41:08,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:41:08,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:08,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:08,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:08,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2021-11-13 18:41:08,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:41:08,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:41:08,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 18:41:08,429 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:08,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2021-11-13 18:41:08,747 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2021-11-13 18:41:08,975 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:08,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423390345]
[2021-11-13 18:41:08,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423390345] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:08,975 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:08,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11
[2021-11-13 18:41:08,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944754946]
[2021-11-13 18:41:08,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:08,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-13 18:41:08,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-13 18:41:08,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:41:08,977 INFO L87 Difference]: Start difference. First operand 167 states and 176 transitions. Second operand has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:41:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:09,465 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions.
[2021-11-13 18:41:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:41:09,466 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38
[2021-11-13 18:41:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:09,467 INFO L225 Difference]: With dead ends: 166
[2021-11-13 18:41:09,467 INFO L226 Difference]: Without dead ends: 166
[2021-11-13 18:41:09,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 10 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:41:09,469 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 27 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 330.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.97ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 410.91ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:09,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 786 Invalid, 309 Unknown, 0 Unchecked, 4.97ms Time], IncrementalHoareTripleChecker [6 Valid, 273 Invalid, 0 Unknown, 30 Unchecked, 410.91ms Time]
[2021-11-13 18:41:09,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2021-11-13 18:41:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2021-11-13 18:41:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 122 states have internal predecessors, (126), 24 states have call successors, (24), 22 states have call predecessors, (24), 23 states have return successors, (25), 24 states have call predecessors, (25), 23 states have call successors, (25)
[2021-11-13 18:41:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 175 transitions.
[2021-11-13 18:41:09,477 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 175 transitions. Word has length 38
[2021-11-13 18:41:09,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:09,477 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 175 transitions.
[2021-11-13 18:41:09,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2021-11-13 18:41:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 175 transitions.
[2021-11-13 18:41:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-11-13 18:41:09,479 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:09,479 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:09,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:09,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:09,691 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kref_initErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:09,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:09,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1177798514, now seen corresponding path program 1 times
[2021-11-13 18:41:09,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:09,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444362189]
[2021-11-13 18:41:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:09,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:09,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:09,693 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:09,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2021-11-13 18:41:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:09,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:41:09,847 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:09,992 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:10,483 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:10,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444362189]
[2021-11-13 18:41:10,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444362189] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:41:10,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:41:10,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2021-11-13 18:41:10,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60302913]
[2021-11-13 18:41:10,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:41:10,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2021-11-13 18:41:10,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:10,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2021-11-13 18:41:10,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306
[2021-11-13 18:41:10,487 INFO L87 Difference]: Start difference. First operand 166 states and 175 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:11,412 INFO L93 Difference]: Finished difference Result 178 states and 193 transitions.
[2021-11-13 18:41:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2021-11-13 18:41:11,414 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38
[2021-11-13 18:41:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:11,416 INFO L225 Difference]: With dead ends: 178
[2021-11-13 18:41:11,417 INFO L226 Difference]: Without dead ends: 174
[2021-11-13 18:41:11,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600
[2021-11-13 18:41:11,418 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 47 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 226.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.06ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 268.18ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:11,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 1165 Invalid, 141 Unknown, 0 Unchecked, 5.06ms Time], IncrementalHoareTripleChecker [34 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 268.18ms Time]
[2021-11-13 18:41:11,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2021-11-13 18:41:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174.
[2021-11-13 18:41:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 105 states have (on average 1.276190476190476) internal successors, (134), 130 states have internal predecessors, (134), 24 states have call successors, (24), 22 states have call predecessors, (24), 23 states have return successors, (25), 24 states have call predecessors, (25), 23 states have call successors, (25)
[2021-11-13 18:41:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 183 transitions.
[2021-11-13 18:41:11,430 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 183 transitions. Word has length 38
[2021-11-13 18:41:11,432 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:11,432 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 183 transitions.
[2021-11-13 18:41:11,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2021-11-13 18:41:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions.
[2021-11-13 18:41:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-11-13 18:41:11,434 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:11,434 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:11,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:11,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:11,635 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:11,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:11,636 INFO L85 PathProgramCache]: Analyzing trace with hash 44869055, now seen corresponding path program 1 times
[2021-11-13 18:41:11,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:11,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71132143]
[2021-11-13 18:41:11,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:11,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:11,637 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:11,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2021-11-13 18:41:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:11,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-13 18:41:11,769 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-11-13 18:41:11,888 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-11-13 18:41:12,158 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:12,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71132143]
[2021-11-13 18:41:12,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71132143] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:12,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:12,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 18:41:12,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136649838]
[2021-11-13 18:41:12,159 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:12,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:41:12,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:12,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:41:12,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:41:12,161 INFO L87 Difference]: Start difference. First operand 174 states and 183 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2021-11-13 18:41:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:12,355 INFO L93 Difference]: Finished difference Result 185 states and 194 transitions.
[2021-11-13 18:41:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:41:12,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 39
[2021-11-13 18:41:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:12,357 INFO L225 Difference]: With dead ends: 185
[2021-11-13 18:41:12,357 INFO L226 Difference]: Without dead ends: 162
[2021-11-13 18:41:12,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:41:12,359 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 74 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.51ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.62ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:12,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 147 Invalid, 73 Unknown, 0 Unchecked, 2.51ms Time], IncrementalHoareTripleChecker [20 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 183.62ms Time]
[2021-11-13 18:41:12,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2021-11-13 18:41:12,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154.
[2021-11-13 18:41:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 116 states have internal predecessors, (120), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 161 transitions.
[2021-11-13 18:41:12,367 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 161 transitions. Word has length 39
[2021-11-13 18:41:12,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:12,367 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 161 transitions.
[2021-11-13 18:41:12,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2021-11-13 18:41:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 161 transitions.
[2021-11-13 18:41:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2021-11-13 18:41:12,369 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:12,369 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:12,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:12,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:12,582 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kref_initErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1122961166, now seen corresponding path program 2 times
[2021-11-13 18:41:12,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:12,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608080922]
[2021-11-13 18:41:12,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:41:12,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:12,584 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process
[2021-11-13 18:41:12,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:41:12,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:41:12,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-13 18:41:12,721 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:12,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2021-11-13 18:41:13,264 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2021-11-13 18:41:14,524 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:14,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608080922]
[2021-11-13 18:41:14,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608080922] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:14,525 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:14,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22
[2021-11-13 18:41:14,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102359792]
[2021-11-13 18:41:14,525 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:14,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-13 18:41:14,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:14,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-13 18:41:14,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506
[2021-11-13 18:41:14,526 INFO L87 Difference]: Start difference. First operand 154 states and 161 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (13), 8 states have call predecessors, (13), 4 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5)
[2021-11-13 18:41:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:16,369 INFO L93 Difference]: Finished difference Result 153 states and 160 transitions.
[2021-11-13 18:41:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:41:16,371 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (13), 8 states have call predecessors, (13), 4 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 46
[2021-11-13 18:41:16,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:16,372 INFO L225 Difference]: With dead ends: 153
[2021-11-13 18:41:16,372 INFO L226 Difference]: Without dead ends: 153
[2021-11-13 18:41:16,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702
[2021-11-13 18:41:16,373 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 39 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1377.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.56ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 1604.37ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:16,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 1814 Invalid, 559 Unknown, 0 Unchecked, 9.56ms Time], IncrementalHoareTripleChecker [10 Valid, 524 Invalid, 0 Unknown, 25 Unchecked, 1604.37ms Time]
[2021-11-13 18:41:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2021-11-13 18:41:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2021-11-13 18:41:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 115 states have internal predecessors, (119), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions.
[2021-11-13 18:41:16,383 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 46
[2021-11-13 18:41:16,383 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:16,383 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions.
[2021-11-13 18:41:16,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (13), 8 states have call predecessors, (13), 4 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5)
[2021-11-13 18:41:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions.
[2021-11-13 18:41:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2021-11-13 18:41:16,385 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:16,385 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:16,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0
[2021-11-13 18:41:16,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:16,590 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1154934002, now seen corresponding path program 1 times
[2021-11-13 18:41:16,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:16,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732028044]
[2021-11-13 18:41:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:16,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:16,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:16,593 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process
[2021-11-13 18:41:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:16,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjunts are in the unsatisfiable core
[2021-11-13 18:41:16,777 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:17,107 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:41:18,230 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:18,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732028044]
[2021-11-13 18:41:18,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732028044] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:41:18,231 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2021-11-13 18:41:18,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34
[2021-11-13 18:41:18,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140257852]
[2021-11-13 18:41:18,231 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:41:18,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2021-11-13 18:41:18,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:18,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2021-11-13 18:41:18,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122
[2021-11-13 18:41:18,233 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand has 34 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 34 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2021-11-13 18:41:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:19,012 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions.
[2021-11-13 18:41:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2021-11-13 18:41:19,014 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 34 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51
[2021-11-13 18:41:19,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:19,015 INFO L225 Difference]: With dead ends: 159
[2021-11-13 18:41:19,015 INFO L226 Difference]: Without dead ends: 155
[2021-11-13 18:41:19,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:41:19,017 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 31 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 605.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2987 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.85ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 730.15ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:19,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 2987 Invalid, 413 Unknown, 0 Unchecked, 9.85ms Time], IncrementalHoareTripleChecker [42 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 730.15ms Time]
[2021-11-13 18:41:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2021-11-13 18:41:19,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155.
[2021-11-13 18:41:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 117 states have internal predecessors, (121), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions.
[2021-11-13 18:41:19,026 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 51
[2021-11-13 18:41:19,026 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:19,026 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions.
[2021-11-13 18:41:19,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 34 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2021-11-13 18:41:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions.
[2021-11-13 18:41:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2021-11-13 18:41:19,028 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:19,028 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:19,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:19,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:19,269 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:19,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:19,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1486980782, now seen corresponding path program 2 times
[2021-11-13 18:41:19,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:19,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573912849]
[2021-11-13 18:41:19,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:41:19,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:19,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:19,272 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:19,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process
[2021-11-13 18:41:19,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-11-13 18:41:19,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:41:19,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 18:41:19,460 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:19,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:19,896 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:20,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:20,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573912849]
[2021-11-13 18:41:20,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573912849] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:20,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:20,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 11
[2021-11-13 18:41:20,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571175116]
[2021-11-13 18:41:20,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:20,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-13 18:41:20,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:20,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-13 18:41:20,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:41:20,164 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2021-11-13 18:41:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:20,592 INFO L93 Difference]: Finished difference Result 155 states and 162 transitions.
[2021-11-13 18:41:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:41:20,592 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53
[2021-11-13 18:41:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:20,595 INFO L225 Difference]: With dead ends: 155
[2021-11-13 18:41:20,595 INFO L226 Difference]: Without dead ends: 155
[2021-11-13 18:41:20,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 85 SyntacticMatches, 10 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:41:20,596 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 35 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 304.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.92ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 359.18ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:20,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 657 Invalid, 271 Unknown, 0 Unchecked, 4.92ms Time], IncrementalHoareTripleChecker [5 Valid, 238 Invalid, 0 Unknown, 28 Unchecked, 359.18ms Time]
[2021-11-13 18:41:20,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2021-11-13 18:41:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153.
[2021-11-13 18:41:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 115 states have internal predecessors, (119), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions.
[2021-11-13 18:41:20,605 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 53
[2021-11-13 18:41:20,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:20,606 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions.
[2021-11-13 18:41:20,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2021-11-13 18:41:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions.
[2021-11-13 18:41:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2021-11-13 18:41:20,619 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:20,619 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:20,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:20,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:20,820 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:20,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1486980781, now seen corresponding path program 1 times
[2021-11-13 18:41:20,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:20,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427072778]
[2021-11-13 18:41:20,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:20,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:20,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:20,833 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:20,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process
[2021-11-13 18:41:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:21,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-13 18:41:21,091 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:21,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:21,656 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:22,820 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:22,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427072778]
[2021-11-13 18:41:22,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427072778] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:22,820 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:22,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22
[2021-11-13 18:41:22,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609937596]
[2021-11-13 18:41:22,821 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:22,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-13 18:41:22,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:22,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-13 18:41:22,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506
[2021-11-13 18:41:22,822 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand has 23 states, 22 states have (on average 2.0) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (15), 8 states have call predecessors, (15), 4 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7)
[2021-11-13 18:41:24,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:24,384 INFO L93 Difference]: Finished difference Result 153 states and 160 transitions.
[2021-11-13 18:41:24,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2021-11-13 18:41:24,386 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.0) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (15), 8 states have call predecessors, (15), 4 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 53
[2021-11-13 18:41:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:24,387 INFO L225 Difference]: With dead ends: 153
[2021-11-13 18:41:24,387 INFO L226 Difference]: Without dead ends: 153
[2021-11-13 18:41:24,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702
[2021-11-13 18:41:24,389 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 46 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1226.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.01ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 1372.42ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:24,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 1484 Invalid, 429 Unknown, 0 Unchecked, 7.01ms Time], IncrementalHoareTripleChecker [9 Valid, 395 Invalid, 0 Unknown, 25 Unchecked, 1372.42ms Time]
[2021-11-13 18:41:24,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2021-11-13 18:41:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151.
[2021-11-13 18:41:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 113 states have internal predecessors, (117), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 158 transitions.
[2021-11-13 18:41:24,396 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 158 transitions. Word has length 53
[2021-11-13 18:41:24,397 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:24,397 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 158 transitions.
[2021-11-13 18:41:24,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.0) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (15), 8 states have call predecessors, (15), 4 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7)
[2021-11-13 18:41:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 158 transitions.
[2021-11-13 18:41:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2021-11-13 18:41:24,398 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:24,398 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:24,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:24,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:24,612 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_atomic_add_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash 869337392, now seen corresponding path program 1 times
[2021-11-13 18:41:24,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:24,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044892334]
[2021-11-13 18:41:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:24,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:24,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:24,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:24,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process
[2021-11-13 18:41:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:24,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 18:41:24,797 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:24,926 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:25,148 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:25,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044892334]
[2021-11-13 18:41:25,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044892334] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:25,148 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:25,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8
[2021-11-13 18:41:25,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893062454]
[2021-11-13 18:41:25,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:25,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 18:41:25,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:25,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:41:25,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:41:25,157 INFO L87 Difference]: Start difference. First operand 151 states and 158 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5)
[2021-11-13 18:41:25,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:25,222 INFO L93 Difference]: Finished difference Result 153 states and 159 transitions.
[2021-11-13 18:41:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:41:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56
[2021-11-13 18:41:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:25,224 INFO L225 Difference]: With dead ends: 153
[2021-11-13 18:41:25,225 INFO L226 Difference]: Without dead ends: 151
[2021-11-13 18:41:25,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2021-11-13 18:41:25,226 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 6 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.04ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:25,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 934 Invalid, 39 Unknown, 0 Unchecked, 2.64ms Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 46.04ms Time]
[2021-11-13 18:41:25,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2021-11-13 18:41:25,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2021-11-13 18:41:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 112 states have internal predecessors, (116), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 157 transitions.
[2021-11-13 18:41:25,235 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 157 transitions. Word has length 56
[2021-11-13 18:41:25,235 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:25,235 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 157 transitions.
[2021-11-13 18:41:25,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5)
[2021-11-13 18:41:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 157 transitions.
[2021-11-13 18:41:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2021-11-13 18:41:25,237 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:25,237 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:25,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:25,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:25,450 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_atomic_add_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:25,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:25,450 INFO L85 PathProgramCache]: Analyzing trace with hash 45505149, now seen corresponding path program 1 times
[2021-11-13 18:41:25,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:25,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374808305]
[2021-11-13 18:41:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:25,451 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:25,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:25,452 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:25,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process
[2021-11-13 18:41:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:25,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:41:25,647 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:25,829 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:26,166 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:26,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374808305]
[2021-11-13 18:41:26,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374808305] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:26,166 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:26,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11
[2021-11-13 18:41:26,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414772468]
[2021-11-13 18:41:26,167 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:26,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-13 18:41:26,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:26,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-13 18:41:26,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:41:26,168 INFO L87 Difference]: Start difference. First operand 151 states and 157 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 5 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7)
[2021-11-13 18:41:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:26,261 INFO L93 Difference]: Finished difference Result 155 states and 160 transitions.
[2021-11-13 18:41:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 18:41:26,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 5 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 61
[2021-11-13 18:41:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:26,265 INFO L225 Difference]: With dead ends: 155
[2021-11-13 18:41:26,265 INFO L226 Difference]: Without dead ends: 151
[2021-11-13 18:41:26,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:41:26,266 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 8 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.68ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:26,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 1301 Invalid, 78 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 65.68ms Time]
[2021-11-13 18:41:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2021-11-13 18:41:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2021-11-13 18:41:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 94 states have (on average 1.2234042553191489) internal successors, (115), 111 states have internal predecessors, (115), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 156 transitions.
[2021-11-13 18:41:26,274 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 156 transitions. Word has length 61
[2021-11-13 18:41:26,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:26,275 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 156 transitions.
[2021-11-13 18:41:26,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 5 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7)
[2021-11-13 18:41:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions.
[2021-11-13 18:41:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2021-11-13 18:41:26,277 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:26,277 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:26,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:26,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:26,490 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_atomic_add_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:26,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash -686968968, now seen corresponding path program 1 times
[2021-11-13 18:41:26,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:26,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584881080]
[2021-11-13 18:41:26,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:26,492 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:26,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:26,493 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:26,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process
[2021-11-13 18:41:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:26,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-11-13 18:41:26,730 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:26,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:27,167 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:27,500 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:27,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584881080]
[2021-11-13 18:41:27,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584881080] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:27,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:27,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 14
[2021-11-13 18:41:27,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172254769]
[2021-11-13 18:41:27,501 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:27,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2021-11-13 18:41:27,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:27,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-11-13 18:41:27,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210
[2021-11-13 18:41:27,503 INFO L87 Difference]: Start difference. First operand 151 states and 156 transitions. Second operand has 15 states, 12 states have (on average 4.5) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13)
[2021-11-13 18:41:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:27,992 INFO L93 Difference]: Finished difference Result 149 states and 154 transitions.
[2021-11-13 18:41:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-11-13 18:41:27,994 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.5) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72
[2021-11-13 18:41:27,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:27,995 INFO L225 Difference]: With dead ends: 149
[2021-11-13 18:41:27,996 INFO L226 Difference]: Without dead ends: 149
[2021-11-13 18:41:27,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 119 SyntacticMatches, 11 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342
[2021-11-13 18:41:27,996 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 44 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 352.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.46ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 416.99ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:27,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 960 Invalid, 462 Unknown, 0 Unchecked, 3.46ms Time], IncrementalHoareTripleChecker [5 Valid, 358 Invalid, 0 Unknown, 99 Unchecked, 416.99ms Time]
[2021-11-13 18:41:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2021-11-13 18:41:28,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149.
[2021-11-13 18:41:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 94 states have (on average 1.202127659574468) internal successors, (113), 109 states have internal predecessors, (113), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 154 transitions.
[2021-11-13 18:41:28,004 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 154 transitions. Word has length 72
[2021-11-13 18:41:28,004 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:28,005 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 154 transitions.
[2021-11-13 18:41:28,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.5) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13)
[2021-11-13 18:41:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions.
[2021-11-13 18:41:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2021-11-13 18:41:28,006 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:28,007 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:28,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0
[2021-11-13 18:41:28,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:28,210 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_atomic_add_returnErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:28,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:28,210 INFO L85 PathProgramCache]: Analyzing trace with hash -686968967, now seen corresponding path program 1 times
[2021-11-13 18:41:28,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:28,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616261886]
[2021-11-13 18:41:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:28,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:28,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:28,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process
[2021-11-13 18:41:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:28,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-11-13 18:41:28,428 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:28,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:29,068 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:30,835 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:30,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616261886]
[2021-11-13 18:41:30,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616261886] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:30,836 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:30,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 28
[2021-11-13 18:41:30,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181328873]
[2021-11-13 18:41:30,836 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:30,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2021-11-13 18:41:30,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:30,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2021-11-13 18:41:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812
[2021-11-13 18:41:30,838 INFO L87 Difference]: Start difference. First operand 149 states and 154 transitions. Second operand has 29 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 19 states have internal predecessors, (68), 10 states have call successors, (21), 8 states have call predecessors, (21), 6 states have return successors, (15), 8 states have call predecessors, (15), 4 states have call successors, (15)
[2021-11-13 18:41:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:32,635 INFO L93 Difference]: Finished difference Result 150 states and 155 transitions.
[2021-11-13 18:41:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2021-11-13 18:41:32,636 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 19 states have internal predecessors, (68), 10 states have call successors, (21), 8 states have call predecessors, (21), 6 states have return successors, (15), 8 states have call predecessors, (15), 4 states have call successors, (15) Word has length 72
[2021-11-13 18:41:32,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:32,637 INFO L225 Difference]: With dead ends: 150
[2021-11-13 18:41:32,637 INFO L226 Difference]: Without dead ends: 150
[2021-11-13 18:41:32,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=118, Invalid=1072, Unknown=0, NotChecked=0, Total=1190
[2021-11-13 18:41:32,639 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 57 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1187.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.23ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 140 IncrementalHoareTripleChecker+Unchecked, 1334.44ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:32,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 1713 Invalid, 615 Unknown, 0 Unchecked, 5.23ms Time], IncrementalHoareTripleChecker [7 Valid, 468 Invalid, 0 Unknown, 140 Unchecked, 1334.44ms Time]
[2021-11-13 18:41:32,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2021-11-13 18:41:32,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147.
[2021-11-13 18:41:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 94 states have (on average 1.1808510638297873) internal successors, (111), 107 states have internal predecessors, (111), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 152 transitions.
[2021-11-13 18:41:32,647 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 152 transitions. Word has length 72
[2021-11-13 18:41:32,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:32,648 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 152 transitions.
[2021-11-13 18:41:32,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 19 states have internal predecessors, (68), 10 states have call successors, (21), 8 states have call predecessors, (21), 6 states have return successors, (15), 8 states have call predecessors, (15), 4 states have call successors, (15)
[2021-11-13 18:41:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions.
[2021-11-13 18:41:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2021-11-13 18:41:32,650 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:32,650 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:32,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:32,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:32,865 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_atomic_sub_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:32,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:32,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1435641885, now seen corresponding path program 1 times
[2021-11-13 18:41:32,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:32,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876586960]
[2021-11-13 18:41:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:32,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:32,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:32,867 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:32,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process
[2021-11-13 18:41:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:33,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:41:33,079 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:33,286 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:33,552 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:33,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876586960]
[2021-11-13 18:41:33,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876586960] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:33,552 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:33,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11
[2021-11-13 18:41:33,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032427956]
[2021-11-13 18:41:33,552 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:33,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-13 18:41:33,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:33,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-13 18:41:33,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:41:33,554 INFO L87 Difference]: Start difference. First operand 147 states and 152 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9)
[2021-11-13 18:41:33,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:33,624 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions.
[2021-11-13 18:41:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-11-13 18:41:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) Word has length 81
[2021-11-13 18:41:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:33,638 INFO L225 Difference]: With dead ends: 150
[2021-11-13 18:41:33,638 INFO L226 Difference]: Without dead ends: 147
[2021-11-13 18:41:33,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:41:33,639 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 16 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.66ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.42ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:33,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 1006 Invalid, 63 Unknown, 0 Unchecked, 1.66ms Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 45.42ms Time]
[2021-11-13 18:41:33,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2021-11-13 18:41:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2021-11-13 18:41:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 94 states have (on average 1.1702127659574468) internal successors, (110), 106 states have internal predecessors, (110), 21 states have call successors, (21), 20 states have call predecessors, (21), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2021-11-13 18:41:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions.
[2021-11-13 18:41:33,646 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 81
[2021-11-13 18:41:33,647 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:33,647 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions.
[2021-11-13 18:41:33,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9)
[2021-11-13 18:41:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions.
[2021-11-13 18:41:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2021-11-13 18:41:33,648 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:33,649 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:33,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:33,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:33,862 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_atomic_sub_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1591381372, now seen corresponding path program 1 times
[2021-11-13 18:41:33,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:33,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949817695]
[2021-11-13 18:41:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:33,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:33,864 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process
[2021-11-13 18:41:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:34,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-13 18:41:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:34,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:34,833 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:35,336 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:35,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949817695]
[2021-11-13 18:41:35,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949817695] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:35,336 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:35,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 15] imperfect sequences [] total 16
[2021-11-13 18:41:35,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149944940]
[2021-11-13 18:41:35,337 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:35,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-11-13 18:41:35,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:35,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-11-13 18:41:35,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272
[2021-11-13 18:41:35,339 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand has 17 states, 14 states have (on average 5.857142857142857) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (25), 6 states have call predecessors, (25), 4 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2021-11-13 18:41:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:36,033 INFO L93 Difference]: Finished difference Result 172 states and 182 transitions.
[2021-11-13 18:41:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2021-11-13 18:41:36,034 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.857142857142857) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (25), 6 states have call predecessors, (25), 4 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) Word has length 94
[2021-11-13 18:41:36,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:36,035 INFO L225 Difference]: With dead ends: 172
[2021-11-13 18:41:36,036 INFO L226 Difference]: Without dead ends: 172
[2021-11-13 18:41:36,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 155 SyntacticMatches, 17 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462
[2021-11-13 18:41:36,037 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 45 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 466.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.87ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 171 IncrementalHoareTripleChecker+Unchecked, 575.29ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:36,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 1113 Invalid, 655 Unknown, 0 Unchecked, 4.87ms Time], IncrementalHoareTripleChecker [7 Valid, 477 Invalid, 0 Unknown, 171 Unchecked, 575.29ms Time]
[2021-11-13 18:41:36,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states.
[2021-11-13 18:41:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168.
[2021-11-13 18:41:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 109 states have (on average 1.1743119266055047) internal successors, (128), 121 states have internal predecessors, (128), 24 states have call successors, (24), 24 states have call predecessors, (24), 23 states have return successors, (26), 22 states have call predecessors, (26), 23 states have call successors, (26)
[2021-11-13 18:41:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 178 transitions.
[2021-11-13 18:41:36,045 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 178 transitions. Word has length 94
[2021-11-13 18:41:36,045 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:36,046 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 178 transitions.
[2021-11-13 18:41:36,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.857142857142857) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (25), 6 states have call predecessors, (25), 4 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2021-11-13 18:41:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 178 transitions.
[2021-11-13 18:41:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2021-11-13 18:41:36,047 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:36,048 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:36,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:36,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:36,254 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_atomic_sub_returnErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:36,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:36,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1591381371, now seen corresponding path program 1 times
[2021-11-13 18:41:36,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:36,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856092271]
[2021-11-13 18:41:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:36,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:36,256 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:36,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process
[2021-11-13 18:41:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:36,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core
[2021-11-13 18:41:36,502 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:36,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:37,325 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:39,501 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:39,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856092271]
[2021-11-13 18:41:39,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856092271] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:39,502 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:39,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 16] imperfect sequences [] total 32
[2021-11-13 18:41:39,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273111979]
[2021-11-13 18:41:39,503 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:39,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2021-11-13 18:41:39,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:39,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2021-11-13 18:41:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=965, Unknown=0, NotChecked=0, Total=1056
[2021-11-13 18:41:39,505 INFO L87 Difference]: Start difference. First operand 168 states and 178 transitions. Second operand has 33 states, 28 states have (on average 3.5) internal successors, (98), 21 states have internal predecessors, (98), 12 states have call successors, (29), 10 states have call predecessors, (29), 6 states have return successors, (21), 10 states have call predecessors, (21), 6 states have call successors, (21)
[2021-11-13 18:41:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:41,837 INFO L93 Difference]: Finished difference Result 166 states and 174 transitions.
[2021-11-13 18:41:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2021-11-13 18:41:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 28 states have (on average 3.5) internal successors, (98), 21 states have internal predecessors, (98), 12 states have call successors, (29), 10 states have call predecessors, (29), 6 states have return successors, (21), 10 states have call predecessors, (21), 6 states have call successors, (21) Word has length 94
[2021-11-13 18:41:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:41,841 INFO L225 Difference]: With dead ends: 166
[2021-11-13 18:41:41,841 INFO L226 Difference]: Without dead ends: 166
[2021-11-13 18:41:41,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 152 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=132, Invalid=1350, Unknown=0, NotChecked=0, Total=1482
[2021-11-13 18:41:41,842 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 56 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1698.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.19ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 216 IncrementalHoareTripleChecker+Unchecked, 1921.40ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:41,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 1790 Invalid, 925 Unknown, 0 Unchecked, 7.19ms Time], IncrementalHoareTripleChecker [14 Valid, 695 Invalid, 0 Unknown, 216 Unchecked, 1921.40ms Time]
[2021-11-13 18:41:41,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2021-11-13 18:41:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2021-11-13 18:41:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 119 states have internal predecessors, (124), 24 states have call successors, (24), 24 states have call predecessors, (24), 23 states have return successors, (26), 22 states have call predecessors, (26), 23 states have call successors, (26)
[2021-11-13 18:41:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 174 transitions.
[2021-11-13 18:41:41,850 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 174 transitions. Word has length 94
[2021-11-13 18:41:41,851 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:41,851 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 174 transitions.
[2021-11-13 18:41:41,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 28 states have (on average 3.5) internal successors, (98), 21 states have internal predecessors, (98), 12 states have call successors, (29), 10 states have call predecessors, (29), 6 states have return successors, (21), 10 states have call predecessors, (21), 6 states have call successors, (21)
[2021-11-13 18:41:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 174 transitions.
[2021-11-13 18:41:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2021-11-13 18:41:41,853 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:41,853 INFO L514 BasicCegarLoop]: trace histogram [16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:41,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0
[2021-11-13 18:41:42,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:42,058 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_atomic_sub_returnErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:42,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1579067337, now seen corresponding path program 1 times
[2021-11-13 18:41:42,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:42,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172910338]
[2021-11-13 18:41:42,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:42,059 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:42,060 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:42,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process
[2021-11-13 18:41:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:42,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:41:42,312 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:42,526 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:42,850 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:42,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172910338]
[2021-11-13 18:41:42,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172910338] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:42,850 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:42,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11
[2021-11-13 18:41:42,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878553144]
[2021-11-13 18:41:42,851 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:42,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-13 18:41:42,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:42,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-13 18:41:42,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-11-13 18:41:42,853 INFO L87 Difference]: Start difference. First operand 166 states and 174 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 3 states have call successors, (12)
[2021-11-13 18:41:42,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:42,948 INFO L93 Difference]: Finished difference Result 168 states and 174 transitions.
[2021-11-13 18:41:42,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-11-13 18:41:42,949 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 3 states have call successors, (12) Word has length 99
[2021-11-13 18:41:42,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:42,951 INFO L225 Difference]: With dead ends: 168
[2021-11-13 18:41:42,951 INFO L226 Difference]: Without dead ends: 164
[2021-11-13 18:41:42,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:41:42,952 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 8 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.37ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:42,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1210 Invalid, 79 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 69.37ms Time]
[2021-11-13 18:41:42,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2021-11-13 18:41:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164.
[2021-11-13 18:41:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 108 states have (on average 1.1203703703703705) internal successors, (121), 117 states have internal predecessors, (121), 24 states have call successors, (24), 24 states have call predecessors, (24), 22 states have return successors, (25), 22 states have call predecessors, (25), 23 states have call successors, (25)
[2021-11-13 18:41:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 170 transitions.
[2021-11-13 18:41:42,960 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 170 transitions. Word has length 99
[2021-11-13 18:41:42,961 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:42,961 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 170 transitions.
[2021-11-13 18:41:42,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 3 states have call successors, (12)
[2021-11-13 18:41:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 170 transitions.
[2021-11-13 18:41:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2021-11-13 18:41:42,963 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:42,963 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:42,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:43,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:43,174 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_kobject_cleanupErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:43,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1941158107, now seen corresponding path program 1 times
[2021-11-13 18:41:43,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:43,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591582260]
[2021-11-13 18:41:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:43,176 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:43,177 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:43,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process
[2021-11-13 18:41:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:43,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 34 conjunts are in the unsatisfiable core
[2021-11-13 18:41:43,527 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:43,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:44,315 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:44,754 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:44,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591582260]
[2021-11-13 18:41:44,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591582260] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:44,754 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:44,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20
[2021-11-13 18:41:44,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974325461]
[2021-11-13 18:41:44,755 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:44,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2021-11-13 18:41:44,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:44,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2021-11-13 18:41:44,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420
[2021-11-13 18:41:44,756 INFO L87 Difference]: Start difference. First operand 164 states and 170 transitions. Second operand has 21 states, 17 states have (on average 5.705882352941177) internal successors, (97), 13 states have internal predecessors, (97), 9 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (21), 7 states have call predecessors, (21), 5 states have call successors, (21)
[2021-11-13 18:41:45,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:45,421 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions.
[2021-11-13 18:41:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2021-11-13 18:41:45,422 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 5.705882352941177) internal successors, (97), 13 states have internal predecessors, (97), 9 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (21), 7 states have call predecessors, (21), 5 states have call successors, (21) Word has length 107
[2021-11-13 18:41:45,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:45,423 INFO L225 Difference]: With dead ends: 177
[2021-11-13 18:41:45,423 INFO L226 Difference]: Without dead ends: 177
[2021-11-13 18:41:45,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 176 SyntacticMatches, 18 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756
[2021-11-13 18:41:45,425 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 38 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 422.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.03ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 212 IncrementalHoareTripleChecker+Unchecked, 491.73ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:45,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 1399 Invalid, 793 Unknown, 0 Unchecked, 12.03ms Time], IncrementalHoareTripleChecker [3 Valid, 578 Invalid, 0 Unknown, 212 Unchecked, 491.73ms Time]
[2021-11-13 18:41:45,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2021-11-13 18:41:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 170.
[2021-11-13 18:41:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.1160714285714286) internal successors, (125), 120 states have internal predecessors, (125), 27 states have call successors, (27), 27 states have call predecessors, (27), 22 states have return successors, (28), 22 states have call predecessors, (28), 26 states have call successors, (28)
[2021-11-13 18:41:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions.
[2021-11-13 18:41:45,433 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 107
[2021-11-13 18:41:45,434 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:45,434 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions.
[2021-11-13 18:41:45,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 5.705882352941177) internal successors, (97), 13 states have internal predecessors, (97), 9 states have call successors, (29), 8 states have call predecessors, (29), 4 states have return successors, (21), 7 states have call predecessors, (21), 5 states have call successors, (21)
[2021-11-13 18:41:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions.
[2021-11-13 18:41:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2021-11-13 18:41:45,436 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:45,436 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:45,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0
[2021-11-13 18:41:45,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:45,653 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_kobject_cleanupErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1941158106, now seen corresponding path program 1 times
[2021-11-13 18:41:45,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:45,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001568444]
[2021-11-13 18:41:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:45,654 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:45,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:45,655 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:45,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process
[2021-11-13 18:41:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:45,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 44 conjunts are in the unsatisfiable core
[2021-11-13 18:41:45,970 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:45,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-13 18:41:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:47,021 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:49,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:49,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001568444]
[2021-11-13 18:41:49,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001568444] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:49,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:49,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 40
[2021-11-13 18:41:49,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81941411]
[2021-11-13 18:41:49,916 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:49,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2021-11-13 18:41:49,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:49,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2021-11-13 18:41:49,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1525, Unknown=0, NotChecked=0, Total=1640
[2021-11-13 18:41:49,918 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand has 41 states, 34 states have (on average 3.411764705882353) internal successors, (116), 25 states have internal predecessors, (116), 16 states have call successors, (35), 14 states have call predecessors, (35), 6 states have return successors, (23), 12 states have call predecessors, (23), 8 states have call successors, (23)
[2021-11-13 18:41:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:41:55,289 INFO L93 Difference]: Finished difference Result 189 states and 196 transitions.
[2021-11-13 18:41:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2021-11-13 18:41:55,291 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 34 states have (on average 3.411764705882353) internal successors, (116), 25 states have internal predecessors, (116), 16 states have call successors, (35), 14 states have call predecessors, (35), 6 states have return successors, (23), 12 states have call predecessors, (23), 8 states have call successors, (23) Word has length 107
[2021-11-13 18:41:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:41:55,293 INFO L225 Difference]: With dead ends: 189
[2021-11-13 18:41:55,293 INFO L226 Difference]: Without dead ends: 189
[2021-11-13 18:41:55,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=200, Invalid=2770, Unknown=0, NotChecked=0, Total=2970
[2021-11-13 18:41:55,296 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 133 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2983.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.68ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 254 IncrementalHoareTripleChecker+Unchecked, 3370.84ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:41:55,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 1882 Invalid, 1385 Unknown, 0 Unchecked, 11.68ms Time], IncrementalHoareTripleChecker [24 Valid, 1107 Invalid, 0 Unknown, 254 Unchecked, 3370.84ms Time]
[2021-11-13 18:41:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2021-11-13 18:41:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 182.
[2021-11-13 18:41:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 123 states have (on average 1.1300813008130082) internal successors, (139), 131 states have internal predecessors, (139), 27 states have call successors, (27), 27 states have call predecessors, (27), 24 states have return successors, (27), 23 states have call predecessors, (27), 26 states have call successors, (27)
[2021-11-13 18:41:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions.
[2021-11-13 18:41:55,305 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 107
[2021-11-13 18:41:55,305 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:41:55,306 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions.
[2021-11-13 18:41:55,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 34 states have (on average 3.411764705882353) internal successors, (116), 25 states have internal predecessors, (116), 16 states have call successors, (35), 14 states have call predecessors, (35), 6 states have return successors, (23), 12 states have call predecessors, (23), 8 states have call successors, (23)
[2021-11-13 18:41:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions.
[2021-11-13 18:41:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2021-11-13 18:41:55,307 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:41:55,308 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:41:55,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0
[2021-11-13 18:41:55,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:41:55,522 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:41:55,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:41:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1601225112, now seen corresponding path program 1 times
[2021-11-13 18:41:55,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:41:55,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817830934]
[2021-11-13 18:41:55,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:41:55,524 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:41:55,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:41:55,525 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:41:55,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process
[2021-11-13 18:41:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:41:55,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 23 conjunts are in the unsatisfiable core
[2021-11-13 18:41:55,872 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:41:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:57,676 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:41:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:41:58,650 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:41:58,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817830934]
[2021-11-13 18:41:58,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817830934] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:41:58,650 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:41:58,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21, 19] imperfect sequences [] total 39
[2021-11-13 18:41:58,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793261232]
[2021-11-13 18:41:58,651 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:41:58,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-11-13 18:41:58,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:41:58,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-11-13 18:41:58,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1410, Unknown=0, NotChecked=0, Total=1560
[2021-11-13 18:41:58,653 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand has 40 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 24 states have internal predecessors, (126), 17 states have call successors, (39), 15 states have call predecessors, (39), 7 states have return successors, (24), 13 states have call predecessors, (24), 9 states have call successors, (24)
[2021-11-13 18:42:00,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:42:00,622 INFO L93 Difference]: Finished difference Result 192 states and 196 transitions.
[2021-11-13 18:42:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2021-11-13 18:42:00,623 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 24 states have internal predecessors, (126), 17 states have call successors, (39), 15 states have call predecessors, (39), 7 states have return successors, (24), 13 states have call predecessors, (24), 9 states have call successors, (24) Word has length 110
[2021-11-13 18:42:00,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:42:00,624 INFO L225 Difference]: With dead ends: 192
[2021-11-13 18:42:00,624 INFO L226 Difference]: Without dead ends: 192
[2021-11-13 18:42:00,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 174 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=206, Invalid=1956, Unknown=0, NotChecked=0, Total=2162
[2021-11-13 18:42:00,626 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 228 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1270.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.72ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 1491.84ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:42:00,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 1986 Invalid, 1393 Unknown, 0 Unchecked, 7.72ms Time], IncrementalHoareTripleChecker [30 Valid, 1316 Invalid, 0 Unknown, 47 Unchecked, 1491.84ms Time]
[2021-11-13 18:42:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2021-11-13 18:42:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187.
[2021-11-13 18:42:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 126 states have (on average 1.119047619047619) internal successors, (141), 133 states have internal predecessors, (141), 27 states have call successors, (27), 27 states have call predecessors, (27), 26 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2021-11-13 18:42:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions.
[2021-11-13 18:42:00,634 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 110
[2021-11-13 18:42:00,635 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:42:00,635 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions.
[2021-11-13 18:42:00,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 33 states have (on average 3.8181818181818183) internal successors, (126), 24 states have internal predecessors, (126), 17 states have call successors, (39), 15 states have call predecessors, (39), 7 states have return successors, (24), 13 states have call predecessors, (24), 9 states have call successors, (24)
[2021-11-13 18:42:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions.
[2021-11-13 18:42:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2021-11-13 18:42:00,636 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:42:00,637 INFO L514 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:00,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0
[2021-11-13 18:42:00,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:42:00,850 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] ===
[2021-11-13 18:42:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2104777833, now seen corresponding path program 1 times
[2021-11-13 18:42:00,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:42:00,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182891279]
[2021-11-13 18:42:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:00,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:42:00,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:42:00,853 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:42:00,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process
[2021-11-13 18:42:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:01,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 86 conjunts are in the unsatisfiable core
[2021-11-13 18:42:01,278 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:42:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:01,462 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:01,463 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:01,463 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:01,531 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size
[2021-11-13 18:42:01,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36
[2021-11-13 18:42:03,345 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 8))) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (bvadd (_ bv4 32) |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) |c_LDV_INIT_LIST_HEAD_#in~list.offset| v_DerPreprocessor_1) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0)))) |c_#memory_int|)) is different from true
[2021-11-13 18:42:03,546 INFO L354 Elim1Store]: treesize reduction 360, result has 11.3 percent of original size
[2021-11-13 18:42:03,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 59
[2021-11-13 18:42:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,764 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,770 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:42:05,771 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:05,772 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:42:05,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:42:05,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 190 treesize of output 162
[2021-11-13 18:42:07,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:42:07,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 64
[2021-11-13 18:42:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:42:07,932 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:42:13,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1172 treesize of output 1062
[2021-11-13 18:42:13,658 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size
[2021-11-13 18:42:13,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33149 treesize of output 16765
[2021-11-13 18:42:34,764 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_kobject_get_#in~kobj.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse1 (bvadd |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2| (_ bv15 32))) (.cse2 (bvadd |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2| (_ bv14 32))) (.cse3 (bvadd |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2| (_ bv13 32))) (.cse4 (bvadd |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2| (_ bv12 32)))) (or (not (= (_ bv1 32) (let ((.cse0 (select (store |c_#memory_int| c_ldv_kref_get_~kref.base (let ((.cse9 (bvadd c_ldv_kref_get_~kref.offset (_ bv3 32))) (.cse8 (bvadd c_ldv_kref_get_~kref.offset (_ bv2 32))) (.cse7 (bvadd c_ldv_kref_get_~kref.offset (_ bv1 32))) (.cse5 (select |c_#memory_int| c_ldv_kref_get_~kref.base))) (let ((.cse6 (bvadd (concat (concat (concat (select .cse5 .cse9) (select .cse5 .cse8)) (select .cse5 .cse7)) (select .cse5 c_ldv_kref_get_~kref.offset)) (_ bv1 32)))) (store (store (store (store .cse5 c_ldv_kref_get_~kref.offset ((_ extract 7 0) .cse6)) .cse7 ((_ extract 15 8) .cse6)) .cse8 ((_ extract 23 16) .cse6)) .cse9 ((_ extract 31 24) .cse6))))) |v_ldv_kobject_get_#in~kobj.base_BEFORE_CALL_2|))) (concat (concat (concat (select .cse0 .cse1) (select .cse0 .cse2)) (select .cse0 .cse3)) (select .cse0 .cse4))))) (= (let ((.cse10 (select (store |c_old(#memory_int)| |c_ldv_kref_get_#in~kref.base| (let ((.cse15 (bvadd |c_ldv_kref_get_#in~kref.offset| (_ bv3 32))) (.cse14 (bvadd |c_ldv_kref_get_#in~kref.offset| (_ bv2 32))) (.cse13 (bvadd |c_ldv_kref_get_#in~kref.offset| (_ bv1 32))) (.cse11 (select |c_old(#memory_int)| |c_ldv_kref_get_#in~kref.base|))) (let ((.cse12 (bvadd (_ bv1 32) (concat (concat (concat (select .cse11 .cse15) (select .cse11 .cse14)) (select .cse11 .cse13)) (select .cse11 |c_ldv_kref_get_#in~kref.offset|))))) (store (store (store (store .cse11 |c_ldv_kref_get_#in~kref.offset| ((_ extract 7 0) .cse12)) .cse13 ((_ extract 15 8) .cse12)) .cse14 ((_ extract 23 16) .cse12)) .cse15 ((_ extract 31 24) .cse12))))) |v_ldv_kobject_get_#in~kobj.base_BEFORE_CALL_2|))) (concat (concat (concat (select .cse10 .cse1) (select .cse10 .cse2)) (select .cse10 .cse3)) (select .cse10 .cse4))) (_ bv1 32))))) is different from false
[2021-11-13 18:42:34,778 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:42:34,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182891279]
[2021-11-13 18:42:34,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_kobject_get_#in~kobj.base_BEFORE_CALL_2|, |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2|]
[2021-11-13 18:42:34,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [609880158]
[2021-11-13 18:42:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:34,779 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2021-11-13 18:42:34,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/cvc4
[2021-11-13 18:42:34,782 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2021-11-13 18:42:34,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process
[2021-11-13 18:42:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:35,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 130 conjunts are in the unsatisfiable core
[2021-11-13 18:42:35,801 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:42:36,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12
[2021-11-13 18:42:36,433 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size
[2021-11-13 18:42:36,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24
[2021-11-13 18:42:36,776 INFO L354 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size
[2021-11-13 18:42:36,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 38
[2021-11-13 18:42:37,162 INFO L354 Elim1Store]: treesize reduction 110, result has 19.1 percent of original size
[2021-11-13 18:42:37,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 52
[2021-11-13 18:42:37,642 INFO L354 Elim1Store]: treesize reduction 180, result has 16.3 percent of original size
[2021-11-13 18:42:37,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 67
[2021-11-13 18:42:38,219 INFO L354 Elim1Store]: treesize reduction 246, result has 15.2 percent of original size
[2021-11-13 18:42:38,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 80
[2021-11-13 18:42:38,820 INFO L354 Elim1Store]: treesize reduction 344, result has 13.4 percent of original size
[2021-11-13 18:42:38,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 95
[2021-11-13 18:42:39,677 INFO L354 Elim1Store]: treesize reduction 430, result has 12.6 percent of original size
[2021-11-13 18:42:39,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 91 treesize of output 108
[2021-11-13 18:42:40,671 INFO L354 Elim1Store]: treesize reduction 556, result has 11.3 percent of original size
[2021-11-13 18:42:40,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 103 treesize of output 123
[2021-11-13 18:42:41,929 INFO L354 Elim1Store]: treesize reduction 691, result has 10.5 percent of original size
[2021-11-13 18:42:41,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 115 treesize of output 138
[2021-11-13 18:42:43,133 INFO L354 Elim1Store]: treesize reduction 840, result has 9.8 percent of original size
[2021-11-13 18:42:43,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 127 treesize of output 153
[2021-11-13 18:42:44,626 INFO L354 Elim1Store]: treesize reduction 1003, result has 9.1 percent of original size
[2021-11-13 18:42:44,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 139 treesize of output 168
[2021-11-13 18:42:46,364 INFO L354 Elim1Store]: treesize reduction 1100, result has 8.9 percent of original size
[2021-11-13 18:42:46,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 146 treesize of output 178
[2021-11-13 18:42:48,396 INFO L354 Elim1Store]: treesize reduction 1296, result has 8.2 percent of original size
[2021-11-13 18:42:48,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 158 treesize of output 193
[2021-11-13 18:42:50,495 INFO L354 Elim1Store]: treesize reduction 1496, result has 7.8 percent of original size
[2021-11-13 18:42:50,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 170 treesize of output 208
[2021-11-13 18:42:52,785 INFO L354 Elim1Store]: treesize reduction 1646, result has 7.5 percent of original size
[2021-11-13 18:42:52,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 179 treesize of output 220
[2021-11-13 18:43:01,639 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (let ((.cse0 (bvadd (_ bv4 32) |c_ldv_kobject_init_internal_#in~kobj.offset|))) (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base|) (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv12 32)) v_DerPreprocessor_2) (bvadd (_ bv13 32) |c_ldv_kobject_init_internal_#in~kobj.offset|) v_DerPreprocessor_3) (bvadd (_ bv14 32) |c_ldv_kobject_init_internal_#in~kobj.offset|) v_DerPreprocessor_4) (bvadd (_ bv15 32) |c_ldv_kobject_init_internal_#in~kobj.offset|) v_DerPreprocessor_5) .cse0 .cse0) (bvadd (_ bv8 32) |c_ldv_kobject_init_internal_#in~kobj.offset|) .cse0))))) is different from true
[2021-11-13 18:43:03,696 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (let ((.cse0 (bvadd (_ bv4 32) |c_ldv_kobject_init_#in~kobj.offset|))) (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base|) (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv12 32)) v_DerPreprocessor_2) (bvadd (_ bv13 32) |c_ldv_kobject_init_#in~kobj.offset|) v_DerPreprocessor_3) (bvadd (_ bv14 32) |c_ldv_kobject_init_#in~kobj.offset|) v_DerPreprocessor_4) (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv15 32)) v_DerPreprocessor_5) .cse0 .cse0) (bvadd (_ bv8 32) |c_ldv_kobject_init_#in~kobj.offset|) .cse0))))) is different from true
[2021-11-13 18:43:03,748 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,752 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,757 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,765 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,835 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:03,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:03,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 185 treesize of output 195
[2021-11-13 18:43:11,428 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,443 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,450 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,452 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,456 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,567 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:11,575 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:11,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 120 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 163 treesize of output 147
[2021-11-13 18:43:17,810 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:17,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 120 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 121 treesize of output 121
[2021-11-13 18:43:22,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:22,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 92 treesize of output 136
[2021-11-13 18:43:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:43:24,452 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:43,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [v_DerPreprocessor_7, v_DerPreprocessor_6, v_DerPreprocessor_9, v_DerPreprocessor_8]
[2021-11-13 18:43:43,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849234137]
[2021-11-13 18:43:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:43:43,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:43:43,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:43:43,367 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:43:43,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process
[2021-11-13 18:43:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:43:43,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 86 conjunts are in the unsatisfiable core
[2021-11-13 18:43:43,590 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:43:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:43,708 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:43,708 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:43,762 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size
[2021-11-13 18:43:43,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36
[2021-11-13 18:43:45,906 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_18 (_ BitVec 8))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (bvadd (_ bv4 32) |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) |c_LDV_INIT_LIST_HEAD_#in~list.offset| v_DerPreprocessor_18) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0)))))) is different from true
[2021-11-13 18:43:46,071 INFO L354 Elim1Store]: treesize reduction 360, result has 11.3 percent of original size
[2021-11-13 18:43:46,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 59
[2021-11-13 18:43:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,691 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,699 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:43:46,701 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:46,702 INFO L173 IndexEqualityManager]: detected equality via solver
[2021-11-13 18:43:46,716 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:46,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 190 treesize of output 162
[2021-11-13 18:43:47,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 18:43:47,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 64
[2021-11-13 18:43:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2021-11-13 18:43:47,273 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:43:48,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1172 treesize of output 1062
[2021-11-13 18:43:48,927 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size
[2021-11-13 18:43:48,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 16893 treesize of output 8701
[2021-11-13 18:44:04,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_kobject_get_#in~kobj.base_BEFORE_CALL_2|, |v_ldv_kobject_get_#in~kobj.offset_BEFORE_CALL_2|]
[2021-11-13 18:44:04,339 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:44:04,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0
[2021-11-13 18:44:04,339 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible
[2021-11-13 18:44:04,340 INFO L628 BasicCegarLoop]: Counterexample might be feasible
[2021-11-13 18:44:04,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (70 of 71 remaining)
[2021-11-13 18:44:04,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (69 of 71 remaining)
[2021-11-13 18:44:04,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (68 of 71 remaining)
[2021-11-13 18:44:04,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (67 of 71 remaining)
[2021-11-13 18:44:04,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (66 of 71 remaining)
[2021-11-13 18:44:04,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (65 of 71 remaining)
[2021-11-13 18:44:04,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (64 of 71 remaining)
[2021-11-13 18:44:04,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (63 of 71 remaining)
[2021-11-13 18:44:04,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (62 of 71 remaining)
[2021-11-13 18:44:04,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (61 of 71 remaining)
[2021-11-13 18:44:04,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (60 of 71 remaining)
[2021-11-13 18:44:04,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (59 of 71 remaining)
[2021-11-13 18:44:04,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (58 of 71 remaining)
[2021-11-13 18:44:04,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (57 of 71 remaining)
[2021-11-13 18:44:04,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (56 of 71 remaining)
[2021-11-13 18:44:04,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (55 of 71 remaining)
[2021-11-13 18:44:04,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (54 of 71 remaining)
[2021-11-13 18:44:04,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (53 of 71 remaining)
[2021-11-13 18:44:04,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (52 of 71 remaining)
[2021-11-13 18:44:04,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (51 of 71 remaining)
[2021-11-13 18:44:04,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (50 of 71 remaining)
[2021-11-13 18:44:04,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (49 of 71 remaining)
[2021-11-13 18:44:04,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (48 of 71 remaining)
[2021-11-13 18:44:04,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (47 of 71 remaining)
[2021-11-13 18:44:04,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (46 of 71 remaining)
[2021-11-13 18:44:04,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (45 of 71 remaining)
[2021-11-13 18:44:04,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (44 of 71 remaining)
[2021-11-13 18:44:04,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (43 of 71 remaining)
[2021-11-13 18:44:04,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (42 of 71 remaining)
[2021-11-13 18:44:04,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (41 of 71 remaining)
[2021-11-13 18:44:04,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (40 of 71 remaining)
[2021-11-13 18:44:04,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (39 of 71 remaining)
[2021-11-13 18:44:04,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (38 of 71 remaining)
[2021-11-13 18:44:04,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (37 of 71 remaining)
[2021-11-13 18:44:04,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (36 of 71 remaining)
[2021-11-13 18:44:04,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (35 of 71 remaining)
[2021-11-13 18:44:04,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (34 of 71 remaining)
[2021-11-13 18:44:04,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (33 of 71 remaining)
[2021-11-13 18:44:04,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (32 of 71 remaining)
[2021-11-13 18:44:04,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (31 of 71 remaining)
[2021-11-13 18:44:04,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (30 of 71 remaining)
[2021-11-13 18:44:04,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (29 of 71 remaining)
[2021-11-13 18:44:04,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (28 of 71 remaining)
[2021-11-13 18:44:04,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (27 of 71 remaining)
[2021-11-13 18:44:04,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (26 of 71 remaining)
[2021-11-13 18:44:04,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (25 of 71 remaining)
[2021-11-13 18:44:04,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (24 of 71 remaining)
[2021-11-13 18:44:04,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (23 of 71 remaining)
[2021-11-13 18:44:04,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (22 of 71 remaining)
[2021-11-13 18:44:04,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (21 of 71 remaining)
[2021-11-13 18:44:04,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (20 of 71 remaining)
[2021-11-13 18:44:04,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (19 of 71 remaining)
[2021-11-13 18:44:04,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (18 of 71 remaining)
[2021-11-13 18:44:04,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (17 of 71 remaining)
[2021-11-13 18:44:04,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (16 of 71 remaining)
[2021-11-13 18:44:04,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (15 of 71 remaining)
[2021-11-13 18:44:04,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (14 of 71 remaining)
[2021-11-13 18:44:04,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (13 of 71 remaining)
[2021-11-13 18:44:04,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (12 of 71 remaining)
[2021-11-13 18:44:04,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (11 of 71 remaining)
[2021-11-13 18:44:04,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (10 of 71 remaining)
[2021-11-13 18:44:04,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (9 of 71 remaining)
[2021-11-13 18:44:04,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (8 of 71 remaining)
[2021-11-13 18:44:04,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (7 of 71 remaining)
[2021-11-13 18:44:04,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (6 of 71 remaining)
[2021-11-13 18:44:04,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (5 of 71 remaining)
[2021-11-13 18:44:04,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (4 of 71 remaining)
[2021-11-13 18:44:04,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (3 of 71 remaining)
[2021-11-13 18:44:04,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (2 of 71 remaining)
[2021-11-13 18:44:04,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (1 of 71 remaining)
[2021-11-13 18:44:04,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (0 of 71 remaining)
[2021-11-13 18:44:04,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0
[2021-11-13 18:44:04,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0
[2021-11-13 18:44:04,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0
[2021-11-13 18:44:04,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:44:04,987 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:44:04,990 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:44:04,993 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true)
[2021-11-13 18:44:05,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:44:05 BoogieIcfgContainer
[2021-11-13 18:44:05,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:44:05,008 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:44:05,008 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:44:05,009 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:44:05,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:41:00" (3/4) ...
[2021-11-13 18:44:05,013 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:44:05,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:44:05,014 INFO L158 Benchmark]: Toolchain (without parser) took 186845.86ms. Allocated memory was 58.7MB in the beginning and 119.5MB in the end (delta: 60.8MB). Free memory was 35.4MB in the beginning and 76.6MB in the end (delta: -41.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB.
[2021-11-13 18:44:05,014 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:44:05,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.57ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.2MB in the beginning and 55.9MB in the end (delta: -20.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
[2021-11-13 18:44:05,015 INFO L158 Benchmark]: Boogie Preprocessor took 143.17ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 51.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:44:05,016 INFO L158 Benchmark]: RCFGBuilder took 1546.73ms. Allocated memory is still 73.4MB. Free memory was 51.2MB in the beginning and 41.6MB in the end (delta: 9.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
[2021-11-13 18:44:05,016 INFO L158 Benchmark]: TraceAbstraction took 184414.17ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 41.2MB in the beginning and 76.6MB in the end (delta: -35.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB.
[2021-11-13 18:44:05,016 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 119.5MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:44:05,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 727.57ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.2MB in the beginning and 55.9MB in the end (delta: -20.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 143.17ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 51.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1546.73ms. Allocated memory is still 73.4MB. Free memory was 51.2MB in the beginning and 41.6MB in the end (delta: 9.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 184414.17ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 41.2MB in the beginning and 76.6MB in the end (delta: -35.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB.
* Witness Printer took 5.00ms. Allocated memory is still 119.5MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true)
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 702]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: unable to decide satisfiability of path constraint.
Possible FailurePath:
[L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) };
[L765] CALL entry_point()
[L758] struct ldv_kobject *kobj;
[L759] CALL, EXPR ldv_kobject_create()
[L740] struct ldv_kobject *kobj;
[L741] CALL, EXPR ldv_malloc(sizeof(*kobj))
[L526] COND TRUE __VERIFIER_nondet_int()
[L527] return malloc(size);
[L741] RET, EXPR ldv_malloc(sizeof(*kobj))
[L741] kobj = ldv_malloc(sizeof(*kobj))
[L742] COND FALSE !(!kobj)
[L744] FCALL memset(kobj, 0, sizeof(*kobj))
[L745] CALL ldv_kobject_init(kobj)
[L730] COND FALSE !(!kobj)
[L733] CALL ldv_kobject_init_internal(kobj)
[L723] COND FALSE !(!kobj)
[L725] CALL ldv_kref_init(&kobj->kref)
[L682] ((&kref->refcount)->counter) = (1)
[L725] RET ldv_kref_init(&kobj->kref)
[L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry)
[L540] list->next = list
[L541] list->prev = list
[L726] RET LDV_INIT_LIST_HEAD(&kobj->entry)
[L733] RET ldv_kobject_init_internal(kobj)
[L745] RET ldv_kobject_init(kobj)
[L746] return kobj;
[L759] RET, EXPR ldv_kobject_create()
[L759] kobj = ldv_kobject_create()
[L760] CALL ldv_kobject_get(kobj)
[L717] COND TRUE \read(*kobj)
[L718] CALL ldv_kref_get(&kobj->kref)
[L686] CALL ldv_atomic_add_return(1, (&kref->refcount))
[L657] int temp;
[L658] EXPR v->counter
[L658] temp = v->counter
[L659] temp += i
[L660] v->counter = temp
[L661] return temp;
[L686] RET ldv_atomic_add_return(1, (&kref->refcount))
[L718] RET ldv_kref_get(&kobj->kref)
[L719] return kobj;
[L760] RET ldv_kobject_get(kobj)
[L761] CALL ldv_kobject_put(kobj)
[L711] COND TRUE \read(*kobj)
[L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release)
[L690] CALL ldv_kref_sub(kref, 1, release)
[L674] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount))
[L665] int temp;
[L666] EXPR v->counter
[L666] temp = v->counter
[L667] temp -= i
[L668] v->counter = temp
[L669] return temp;
[L674] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount))
[L674] COND TRUE (ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0)
[L675] CALL release(kref)
[L706] const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref);
[L706] struct ldv_kobject *kobj = ({ const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );});
[L707] CALL ldv_kobject_cleanup(kobj)
[L699] EXPR kobj->name
[L699] char *name = kobj->name;
[L700] free(kobj)
[L700] free(kobj)
[L700] free(kobj)
[L701] COND TRUE \read(*name)
[L702] free(name)
- UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 593]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 593]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 593]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 594]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 594]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 594]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 700]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 700]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 700]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 702]: Unable to prove that free always succeeds
Unable to prove that free always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 47 procedures, 334 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 184.3s, OverallIterations: 27, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1043 SdHoareTripleChecker+Valid, 15982.59ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 997 mSDsluCounter, 30172 SdHoareTripleChecker+Invalid, 13843.80ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1247 IncrementalHoareTripleChecker+Unchecked, 26785 mSDsCounter, 231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7668 IncrementalHoareTripleChecker+Invalid, 9146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 231 mSolverCounterUnsat, 3387 mSDtfsCounter, 7668 mSolverCounterSat, 147.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3017 GetRequests, 2472 SyntacticMatches, 95 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=26, InterpolantAutomatonStates: 338, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 65 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 60.7s InterpolantComputationTime, 1591 NumberOfCodeBlocks, 1555 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3016 ConstructedInterpolants, 480 QuantifiedInterpolants, 15376 SizeOfPredicates, 147 NumberOfNonLiveVariables, 6535 ConjunctsInSsa, 473 ConjunctsInUnsatCore, 53 InterpolantComputations, 47 PerfectInterpolantSequences, 3936/4194 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2021-11-13 18:44:05,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03178fb2-e3a8-4caa-af04-4d7b9da6b761/bin/uautomizer-YU5uOKAj3y/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:
UNKNOWN