./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC --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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113
.................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC --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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-deref)
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:19:46,469 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:19:46,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:19:46,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:19:46,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:19:46,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:19:46,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:19:46,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:19:46,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:19:46,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:19:46,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:19:46,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:19:46,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:19:46,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:19:46,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:19:46,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:19:46,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:19:46,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:19:46,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:19:46,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:19:46,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:19:46,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:19:46,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:19:46,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:19:46,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:19:46,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:19:46,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:19:46,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:19:46,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:19:46,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:19:46,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:19:46,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:19:46,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:19:46,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:19:46,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:19:46,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:19:46,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:19:46,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:19:46,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:19:46,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:19:46,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:19:46,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-10-11 00:19:46,677 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:19:46,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:19:46,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:19:46,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:19:46,680 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:19:46,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:19:46,681 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:19:46,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:19:46,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:19:46,682 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:19:46,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:19:46,684 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-10-11 00:19:46,684 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-10-11 00:19:46,684 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-10-11 00:19:46,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:19:46,685 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-10-11 00:19:46,685 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:19:46,685 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:19:46,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:19:46,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:19:46,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:19:46,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:19:46,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:19:46,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:19:46,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:19:46,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:19:46,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:19:46,689 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_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113
[2021-10-11 00:19:47,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:19:47,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:19:47,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:19:47,117 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:19:47,119 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:19:47,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i
[2021-10-11 00:19:47,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/8552b433b/f772673a86884c6090f44a66c158c846/FLAGa14ee77a2
[2021-10-11 00:19:48,007 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:19:48,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/sv-benchmarks/c/array-memsafety/lis_unsafe.i
[2021-10-11 00:19:48,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/8552b433b/f772673a86884c6090f44a66c158c846/FLAGa14ee77a2
[2021-10-11 00:19:48,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/8552b433b/f772673a86884c6090f44a66c158c846
[2021-10-11 00:19:48,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:19:48,239 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-11 00:19:48,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:19:48,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:19:48,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:19:48,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:48" (1/1) ...
[2021-10-11 00:19:48,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e39f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:48, skipping insertion in model container
[2021-10-11 00:19:48,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:48" (1/1) ...
[2021-10-11 00:19:48,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:19:48,334 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:19:48,715 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:19:48,726 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)
[2021-10-11 00:19:48,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11f38929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:48, skipping insertion in model container
[2021-10-11 00:19:48,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:19:48,728 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2021-10-11 00:19:48,731 INFO L168 Benchmark]: Toolchain (without parser) took 490.52 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 88.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:48,733 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:19:48,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.01 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 88.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:48,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.80 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 487.01 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 88.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 515]: 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...
### Bit-precise run ###
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:19:51,491 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:19:51,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:19:51,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:19:51,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:19:51,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:19:51,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:19:51,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:19:51,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:19:51,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:19:51,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:19:51,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:19:51,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:19:51,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:19:51,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:19:51,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:19:51,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:19:51,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:19:51,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:19:51,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:19:51,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:19:51,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:19:51,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:19:51,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:19:51,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:19:51,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:19:51,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:19:51,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:19:51,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:19:51,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:19:51,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:19:51,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:19:51,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:19:51,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:19:51,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:19:51,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:19:51,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:19:51,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:19:51,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:19:51,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:19:51,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:19:51,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2021-10-11 00:19:51,670 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:19:51,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:19:51,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:19:51,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:19:51,673 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:19:51,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:19:51,673 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:19:51,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:19:51,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:19:51,674 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:19:51,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:19:51,674 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-10-11 00:19:51,674 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-10-11 00:19:51,675 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-10-11 00:19:51,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:19:51,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-10-11 00:19:51,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-10-11 00:19:51,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-11 00:19:51,676 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:19:51,676 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:19:51,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:19:51,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:19:51,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:19:51,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:19:51,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:19:51,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:19:51,677 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-10-11 00:19:51,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-11 00:19:51,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:19:51,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-11 00:19:51,678 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_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113
[2021-10-11 00:19:52,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:19:52,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:19:52,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:19:52,178 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:19:52,179 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:19:52,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i
[2021-10-11 00:19:52,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/796dd4086/92aa7e62c1bf4826b8071d3662ff64ff/FLAG2a1a89436
[2021-10-11 00:19:52,870 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:19:52,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/sv-benchmarks/c/array-memsafety/lis_unsafe.i
[2021-10-11 00:19:52,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/796dd4086/92aa7e62c1bf4826b8071d3662ff64ff/FLAG2a1a89436
[2021-10-11 00:19:53,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/data/796dd4086/92aa7e62c1bf4826b8071d3662ff64ff
[2021-10-11 00:19:53,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:19:53,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-11 00:19:53,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:19:53,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:19:53,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:19:53,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fd8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53, skipping insertion in model container
[2021-10-11 00:19:53,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:19:53,291 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:19:53,555 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:19:53,584 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-11 00:19:53,591 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:19:53,624 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:19:53,629 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:19:53,666 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:19:53,732 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:19:53,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53 WrapperNode
[2021-10-11 00:19:53,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:19:53,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:19:53,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:19:53,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:19:53,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
[2021-10-11 00:19:53,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:19:53,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:19:53,843 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:19:53,843 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:19:53,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:19:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-10-11 00:19:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:19:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode
[2021-10-11 00:19:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2021-10-11 00:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2021-10-11 00:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2021-10-11 00:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2021-10-11 00:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2021-10-11 00:19:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lis
[2021-10-11 00:19:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-10-11 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-10-11 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2021-10-11 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2021-10-11 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2021-10-11 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2021-10-11 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2021-10-11 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2021-10-11 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2021-10-11 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2021-10-11 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2021-10-11 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2021-10-11 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2021-10-11 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2021-10-11 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2021-10-11 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2021-10-11 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2021-10-11 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2021-10-11 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2021-10-11 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity
[2021-10-11 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity
[2021-10-11 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity
[2021-10-11 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2021-10-11 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2021-10-11 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-10-11 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-10-11 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-10-11 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2021-10-11 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2021-10-11 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2021-10-11 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2021-10-11 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2021-10-11 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2021-10-11 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2021-10-11 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2021-10-11 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2021-10-11 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2021-10-11 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2021-10-11 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2021-10-11 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2021-10-11 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2021-10-11 00:19:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2021-10-11 00:19:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2021-10-11 00:19:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2021-10-11 00:19:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2021-10-11 00:19:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2021-10-11 00:19:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2021-10-11 00:19:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2021-10-11 00:19:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2021-10-11 00:19:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-10-11 00:19:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-10-11 00:19:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-10-11 00:19:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-10-11 00:19:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2021-10-11 00:19:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2021-10-11 00:19:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-10-11 00:19:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2021-10-11 00:19:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2021-10-11 00:19:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2021-10-11 00:19:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2021-10-11 00:19:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2021-10-11 00:19:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2021-10-11 00:19:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-10-11 00:19:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-10-11 00:19:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-10-11 00:19:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2021-10-11 00:19:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-10-11 00:19:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2021-10-11 00:19:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2021-10-11 00:19:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2021-10-11 00:19:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2021-10-11 00:19:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2021-10-11 00:19:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2021-10-11 00:19:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2021-10-11 00:19:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2021-10-11 00:19:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2021-10-11 00:19:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2021-10-11 00:19:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2021-10-11 00:19:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2021-10-11 00:19:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-10-11 00:19:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2021-10-11 00:19:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2021-10-11 00:19:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-11 00:19:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2021-10-11 00:19:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2021-10-11 00:19:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2021-10-11 00:19:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2021-10-11 00:19:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2021-10-11 00:19:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2021-10-11 00:19:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2021-10-11 00:19:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2021-10-11 00:19:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2021-10-11 00:19:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2021-10-11 00:19:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2021-10-11 00:19:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2021-10-11 00:19:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2021-10-11 00:19:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-10-11 00:19:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-10-11 00:19:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-10-11 00:19:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-10-11 00:19:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2021-10-11 00:19:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2021-10-11 00:19:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2021-10-11 00:19:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-10-11 00:19:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2021-10-11 00:19:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2021-10-11 00:19:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2021-10-11 00:19:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2021-10-11 00:19:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-10-11 00:19:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure lis
[2021-10-11 00:19:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-11 00:19:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-11 00:19:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-11 00:19:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:19:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-10-11 00:19:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-10-11 00:19:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:19:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode
[2021-10-11 00:19:54,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:19:54,926 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-11 00:19:54,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:54 BoogieIcfgContainer
[2021-10-11 00:19:54,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:19:54,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:19:54,931 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:19:54,934 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:19:54,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:19:53" (1/3) ...
[2021-10-11 00:19:54,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcdd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:54, skipping insertion in model container
[2021-10-11 00:19:54,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:53" (2/3) ...
[2021-10-11 00:19:54,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dcdd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:54, skipping insertion in model container
[2021-10-11 00:19:54,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:54" (3/3) ...
[2021-10-11 00:19:54,938 INFO L111 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i
[2021-10-11 00:19:54,954 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:19:54,958 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations.
[2021-10-11 00:19:54,970 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations.
[2021-10-11 00:19:55,012 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:19:55,012 INFO L378 AbstractCegarLoop]: Hoare is false
[2021-10-11 00:19:55,013 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:19:55,013 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:19:55,013 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:19:55,013 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:19:55,013 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:19:55,014 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:19:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states.
[2021-10-11 00:19:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:19:55,040 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:19:55,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:19:55,041 INFO L429 AbstractCegarLoop]: === Iteration 1 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]===
[2021-10-11 00:19:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:19:55,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times
[2021-10-11 00:19:55,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-11 00:19:55,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34989466]
[2021-10-11 00:19:55,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/mathsat
Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3
[2021-10-11 00:19:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:19:55,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-11 00:19:55,279 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:19:55,412 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2021-10-11 00:19:55,412 INFO L382 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 1 case distinctions, treesize of input 9 treesize of output 11
[2021-10-11 00:19:55,415 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2021-10-11 00:19:55,424 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-10-11 00:19:55,432 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2021-10-11 00:19:55,433 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:13
[2021-10-11 00:19:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:19:55,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-10-11 00:19:55,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34989466]
[2021-10-11 00:19:55,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:19:55,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:19:55,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33329662]
[2021-10-11 00:19:55,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:19:55,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-11 00:19:55,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:19:55,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:19:55,488 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states.
[2021-10-11 00:19:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:19:55,747 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions.
[2021-10-11 00:19:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:19:55,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2021-10-11 00:19:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:19:55,760 INFO L225 Difference]: With dead ends: 71
[2021-10-11 00:19:55,761 INFO L226 Difference]: Without dead ends: 68
[2021-10-11 00:19:55,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:19:55,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2021-10-11 00:19:55,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2021-10-11 00:19:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2021-10-11 00:19:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions.
[2021-10-11 00:19:55,815 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11
[2021-10-11 00:19:55,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:19:55,815 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions.
[2021-10-11 00:19:55,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:19:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions.
[2021-10-11 00:19:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:19:55,816 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:19:55,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:19:56,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3
[2021-10-11 00:19:56,031 INFO L429 AbstractCegarLoop]: === Iteration 2 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]===
[2021-10-11 00:19:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:19:56,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times
[2021-10-11 00:19:56,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-11 00:19:56,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430071459]
[2021-10-11 00:19:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/mathsat
Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3
[2021-10-11 00:19:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:19:56,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-11 00:19:56,292 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:19:56,377 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_30|], 1=[|v_#valid_43|]}
[2021-10-11 00:19:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-10-11 00:19:56,387 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11
[2021-10-11 00:19:56,396 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2021-10-11 00:19:56,420 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-10-11 00:19:56,433 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8
[2021-10-11 00:19:56,436 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2021-10-11 00:19:56,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-10-11 00:19:56,473 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2021-10-11 00:19:56,475 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23
[2021-10-11 00:19:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:19:56,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-10-11 00:19:56,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430071459]
[2021-10-11 00:19:56,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:19:56,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:19:56,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627923202]
[2021-10-11 00:19:56,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:19:56,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-11 00:19:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:19:56,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:19:56,569 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 5 states.
[2021-10-11 00:19:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:19:57,137 INFO L93 Difference]: Finished difference Result 136 states and 150 transitions.
[2021-10-11 00:19:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:19:57,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2021-10-11 00:19:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:19:57,141 INFO L225 Difference]: With dead ends: 136
[2021-10-11 00:19:57,142 INFO L226 Difference]: Without dead ends: 136
[2021-10-11 00:19:57,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:19:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2021-10-11 00:19:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 108.
[2021-10-11 00:19:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states.
[2021-10-11 00:19:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 143 transitions.
[2021-10-11 00:19:57,161 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 143 transitions. Word has length 11
[2021-10-11 00:19:57,161 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:19:57,161 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 143 transitions.
[2021-10-11 00:19:57,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:19:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions.
[2021-10-11 00:19:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:19:57,162 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:19:57,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:19:57,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3
[2021-10-11 00:19:57,384 INFO L429 AbstractCegarLoop]: === Iteration 3 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]===
[2021-10-11 00:19:57,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:19:57,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times
[2021-10-11 00:19:57,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-11 00:19:57,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674406488]
[2021-10-11 00:19:57,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/mathsat
Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3
[2021-10-11 00:19:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:19:57,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:19:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:19:57,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:19:57,600 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-10-11 00:19:57,600 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:19:57,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3
[2021-10-11 00:19:57,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:19:57 BoogieIcfgContainer
[2021-10-11 00:19:57,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:19:57,828 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:19:57,829 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:19:57,829 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:19:57,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:54" (3/4) ...
[2021-10-11 00:19:57,831 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:19:57,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854abfd4-5f73-4c42-8429-ff782fbd56ce/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:19:57,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:19:57,889 INFO L168 Benchmark]: Toolchain (without parser) took 4676.65 ms. Allocated memory was 60.8 MB in the beginning and 111.1 MB in the end (delta: 50.3 MB). Free memory was 38.9 MB in the beginning and 62.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,889 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.51 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 30.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,890 INFO L168 Benchmark]: Boogie Preprocessor took 107.72 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 30.7 MB in the beginning and 67.0 MB in the end (delta: -36.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,891 INFO L168 Benchmark]: RCFGBuilder took 1085.83 ms. Allocated memory is still 83.9 MB. Free memory was 67.0 MB in the beginning and 37.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,891 INFO L168 Benchmark]: TraceAbstraction took 2897.60 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 36.7 MB in the beginning and 64.2 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,892 INFO L168 Benchmark]: Witness Printer took 59.29 ms. Allocated memory is still 111.1 MB. Free memory was 64.2 MB in the beginning and 62.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:19:57,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 520.51 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 30.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 107.72 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 30.7 MB in the beginning and 67.0 MB in the end (delta: -36.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1085.83 ms. Allocated memory is still 83.9 MB. Free memory was 67.0 MB in the beginning and 37.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 2897.60 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 36.7 MB in the beginning and 64.2 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Witness Printer took 59.29 ms. Allocated memory is still 111.1 MB. Free memory was 64.2 MB in the beginning and 62.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 518]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L531] int *a;
[L532] int N = __VERIFIER_nondet_int();
[L533] COND FALSE !(N < 1)
VAL [N=1073741824]
[L535] CALL lis(a, N)
VAL [\old(N)=1073741824, a={7:8}]
[L514] int *best, *prev, i, j, max = 0;
[L515] best = (int*) malloc(sizeof(int) * N)
[L516] prev = (int*) malloc(sizeof(int) * N)
[L517] i = 0
VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={2:0}, malloc(sizeof(int) * N)={1:0}, max=0, N=1073741824, prev={2:0}]
[L517] COND TRUE i < N
VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={2:0}, malloc(sizeof(int) * N)={1:0}, max=0, N=1073741824, prev={2:0}]
[L518] best[i] = 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 10 procedures, 100 locations, 29 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 122 SDtfs, 130 SDslu, 191 SDs, 0 SdLazy, 99 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 28 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 2 QuantifiedInterpolants, 840 SizeOfPredicates, 7 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...