./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 10:55:15,281 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:55:15,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:55:15,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:55:15,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:55:15,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:55:15,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:55:15,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:55:15,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:55:15,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:55:15,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:55:15,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:55:15,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:55:15,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:55:15,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:55:15,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:55:15,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:55:15,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:55:15,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:55:15,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:55:15,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:55:15,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:55:15,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:55:15,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:55:15,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:55:15,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:55:15,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:55:15,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:55:15,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:55:15,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:55:15,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:55:15,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:55:15,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:55:15,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:55:15,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:55:15,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:55:15,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:55:15,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:55:15,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:55:15,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:55:15,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:55:15,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2022-10-17 10:55:15,463 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-17 10:55:15,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:55:15,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:55:15,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:55:15,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:55:15,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:55:15,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:55:15,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-17 10:55:15,467 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-17 10:55:15,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:55:15,468 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-17 10:55:15,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-10-17 10:55:15,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-17 10:55:15,469 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-17 10:55:15,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-17 10:55:15,469 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-10-17 10:55:15,469 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-10-17 10:55:15,470 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-10-17 10:55:15,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:55:15,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-10-17 10:55:15,470 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-17 10:55:15,470 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-17 10:55:15,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:55:15,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-17 10:55:15,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-17 10:55:15,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:15,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:55:15,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:55:15,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-17 10:55:15,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 10:55:15,473 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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
[2022-10-17 10:55:15,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:55:15,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:55:15,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:55:15,825 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-17 10:55:15,826 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-17 10:55:15,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:15,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85/FLAGe75ead2a7
[2022-10-17 10:55:16,511 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-17 10:55:16,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:16,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85/FLAGe75ead2a7
[2022-10-17 10:55:16,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85
[2022-10-17 10:55:16,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:55:16,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:55:16,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:16,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:55:16,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:55:16,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:16" (1/1) ...
[2022-10-17 10:55:16,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1389139e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:16, skipping insertion in model container
[2022-10-17 10:55:16,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:16" (1/1) ...
[2022-10-17 10:55:16,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-17 10:55:16,799 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:17,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:17,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:17,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:17,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:17,749 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:17,766 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2022-10-17 10:55:17,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d9e9e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:17, skipping insertion in model container
[2022-10-17 10:55:17,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:17,768 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2022-10-17 10:55:17,770 INFO L158 Benchmark]: Toolchain (without parser) took 1035.27ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.3MB in the beginning and 94.9MB in the end (delta: -40.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2022-10-17 10:55:17,770 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-10-17 10:55:17,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1032.54ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 94.9MB in the end (delta: -40.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2022-10-17 10:55:17,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1032.54ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 94.9MB in the end (delta: -40.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 990]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes 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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 10:55:20,130 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:55:20,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:55:20,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:55:20,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:55:20,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:55:20,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:55:20,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:55:20,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:55:20,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:55:20,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:55:20,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:55:20,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:55:20,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:55:20,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:55:20,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:55:20,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:55:20,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:55:20,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:55:20,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:55:20,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:55:20,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:55:20,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:55:20,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:55:20,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:55:20,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:55:20,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:55:20,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:55:20,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:55:20,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:55:20,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:55:20,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:55:20,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:55:20,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:55:20,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:55:20,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:55:20,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:55:20,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:55:20,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:55:20,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:55:20,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:55:20,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2022-10-17 10:55:20,302 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-17 10:55:20,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:55:20,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:55:20,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:55:20,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:55:20,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:55:20,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:55:20,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-17 10:55:20,305 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-17 10:55:20,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:55:20,305 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-17 10:55:20,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-10-17 10:55:20,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-17 10:55:20,306 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-17 10:55:20,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-17 10:55:20,306 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-10-17 10:55:20,306 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-10-17 10:55:20,306 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-17 10:55:20,307 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-17 10:55:20,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:55:20,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-17 10:55:20,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-17 10:55:20,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:20,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:55:20,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:55:20,309 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-10-17 10:55:20,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-10-17 10:55:20,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-17 10:55:20,309 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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
[2022-10-17 10:55:20,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:55:20,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:55:20,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:55:20,714 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-17 10:55:20,715 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-17 10:55:20,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:20,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4/FLAGae9c6c145
[2022-10-17 10:55:21,454 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-17 10:55:21,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:21,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4/FLAGae9c6c145
[2022-10-17 10:55:21,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4
[2022-10-17 10:55:21,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:55:21,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:55:21,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:21,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:55:21,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:55:21,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:21" (1/1) ...
[2022-10-17 10:55:21,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512e450f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:21, skipping insertion in model container
[2022-10-17 10:55:21,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:21" (1/1) ...
[2022-10-17 10:55:21,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-17 10:55:21,793 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:22,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:22,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:22,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:22,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:22,793 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:22,814 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-10-17 10:55:22,830 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:22,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:22,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:22,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:22,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:22,975 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:22,988 INFO L203 MainTranslator]: Completed pre-run
[2022-10-17 10:55:23,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:23,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:23,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:23,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:23,121 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:23,196 INFO L208 MainTranslator]: Completed translation
[2022-10-17 10:55:23,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23 WrapperNode
[2022-10-17 10:55:23,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:23,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-17 10:55:23,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-17 10:55:23,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-17 10:55:23,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,363 INFO L138 Inliner]: procedures = 285, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1042
[2022-10-17 10:55:23,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-17 10:55:23,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-17 10:55:23,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-17 10:55:23,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-17 10:55:23,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-17 10:55:23,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-17 10:55:23,516 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-17 10:55:23,517 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-17 10:55:23,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:23,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3
[2022-10-17 10:55:23,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:23,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-17 10:55:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2022-10-17 10:55:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-10-17 10:55:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-17 10:55:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp
[2022-10-17 10:55:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-10-17 10:55:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-17 10:55:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-10-17 10:55:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-10-17 10:55:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero
[2022-10-17 10:55:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero
[2022-10-17 10:55:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-10-17 10:55:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-10-17 10:55:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-10-17 10:55:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-17 10:55:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc
[2022-10-17 10:55:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc
[2022-10-17 10:55:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-10-17 10:55:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free
[2022-10-17 10:55:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free
[2022-10-17 10:55:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-17 10:55:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-17 10:55:23,970 INFO L235 CfgBuilder]: Building ICFG
[2022-10-17 10:55:23,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-17 10:55:29,489 INFO L276 CfgBuilder]: Performing block encoding
[2022-10-17 10:55:29,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-17 10:55:29,503 INFO L300 CfgBuilder]: Removed 63 assume(true) statements.
[2022-10-17 10:55:29,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:29 BoogieIcfgContainer
[2022-10-17 10:55:29,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-17 10:55:29,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-17 10:55:29,510 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-17 10:55:29,513 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-17 10:55:29,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:55:21" (1/3) ...
[2022-10-17 10:55:29,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb18526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:29, skipping insertion in model container
[2022-10-17 10:55:29,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (2/3) ...
[2022-10-17 10:55:29,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb18526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:29, skipping insertion in model container
[2022-10-17 10:55:29,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:29" (3/3) ...
[2022-10-17 10:55:29,517 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i
[2022-10-17 10:55:29,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-17 10:55:29,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 531 error locations.
[2022-10-17 10:55:29,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-17 10:55:29,609 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@680a77b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-17 10:55:29,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 531 error locations.
[2022-10-17 10:55:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 1083 states, 534 states have (on average 2.2284644194756553) internal successors, (1190), 1065 states have internal predecessors, (1190), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2022-10-17 10:55:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-17 10:55:29,625 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:55:29,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-17 10:55:29,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 77521, now seen corresponding path program 1 times
[2022-10-17 10:55:29,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:29,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009111047]
[2022-10-17 10:55:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:29,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:29,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:29,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-10-17 10:55:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:29,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-10-17 10:55:29,869 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:29,931 INFO L390 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 7
[2022-10-17 10:55:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:29,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:29,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:29,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009111047]
[2022-10-17 10:55:29,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009111047] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:29,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:29,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-17 10:55:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795311800]
[2022-10-17 10:55:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:29,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-17 10:55:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:30,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-17 10:55:30,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:30,011 INFO L87 Difference]: Start difference. First operand has 1083 states, 534 states have (on average 2.2284644194756553) internal successors, (1190), 1065 states have internal predecessors, (1190), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:32,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:32,278 INFO L93 Difference]: Finished difference Result 1162 states and 1229 transitions.
[2022-10-17 10:55:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-17 10:55:32,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-17 10:55:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:32,306 INFO L225 Difference]: With dead ends: 1162
[2022-10-17 10:55:32,306 INFO L226 Difference]: Without dead ends: 1160
[2022-10-17 10:55:32,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:32,311 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 714 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:32,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 1044 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2022-10-17 10:55:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states.
[2022-10-17 10:55:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1103.
[2022-10-17 10:55:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 568 states have (on average 2.084507042253521) internal successors, (1184), 1086 states have internal predecessors, (1184), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2022-10-17 10:55:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1210 transitions.
[2022-10-17 10:55:32,447 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1210 transitions. Word has length 3
[2022-10-17 10:55:32,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:32,448 INFO L495 AbstractCegarLoop]: Abstraction has 1103 states and 1210 transitions.
[2022-10-17 10:55:32,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1210 transitions.
[2022-10-17 10:55:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-17 10:55:32,449 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:55:32,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-17 10:55:32,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:32,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:32,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:32,664 INFO L85 PathProgramCache]: Analyzing trace with hash 77522, now seen corresponding path program 1 times
[2022-10-17 10:55:32,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:32,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730512681]
[2022-10-17 10:55:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:32,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:32,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:32,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:32,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-10-17 10:55:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:32,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-10-17 10:55:32,804 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:32,818 INFO L390 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
[2022-10-17 10:55:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:32,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:32,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:32,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730512681]
[2022-10-17 10:55:32,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730512681] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:32,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:32,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-17 10:55:32,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197687244]
[2022-10-17 10:55:32,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:32,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-17 10:55:32,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:32,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-17 10:55:32,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:32,841 INFO L87 Difference]: Start difference. First operand 1103 states and 1210 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:36,250 INFO L93 Difference]: Finished difference Result 1497 states and 1638 transitions.
[2022-10-17 10:55:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-17 10:55:36,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-17 10:55:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:36,260 INFO L225 Difference]: With dead ends: 1497
[2022-10-17 10:55:36,260 INFO L226 Difference]: Without dead ends: 1497
[2022-10-17 10:55:36,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:36,262 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 418 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:36,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1538 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2022-10-17 10:55:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states.
[2022-10-17 10:55:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1307.
[2022-10-17 10:55:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 771 states have (on average 2.0700389105058368) internal successors, (1596), 1288 states have internal predecessors, (1596), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2022-10-17 10:55:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1626 transitions.
[2022-10-17 10:55:36,311 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1626 transitions. Word has length 3
[2022-10-17 10:55:36,311 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:36,311 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1626 transitions.
[2022-10-17 10:55:36,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1626 transitions.
[2022-10-17 10:55:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-10-17 10:55:36,313 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:55:36,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 10:55:36,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:36,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:36,524 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:36,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1111693489, now seen corresponding path program 1 times
[2022-10-17 10:55:36,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:36,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444714334]
[2022-10-17 10:55:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:36,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:36,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-10-17 10:55:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-10-17 10:55:36,708 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:36,725 INFO L390 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 7
[2022-10-17 10:55:36,732 INFO L390 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
[2022-10-17 10:55:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-10-17 10:55:36,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14
[2022-10-17 10:55:36,856 INFO L356 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2022-10-17 10:55:36,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2022-10-17 10:55:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:36,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:36,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:36,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444714334]
[2022-10-17 10:55:36,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444714334] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:36,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:36,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-17 10:55:36,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480180812]
[2022-10-17 10:55:36,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:36,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-17 10:55:36,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:36,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-17 10:55:36,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:36,896 INFO L87 Difference]: Start difference. First operand 1307 states and 1626 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:42,881 INFO L93 Difference]: Finished difference Result 1997 states and 2371 transitions.
[2022-10-17 10:55:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-10-17 10:55:42,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-10-17 10:55:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:42,896 INFO L225 Difference]: With dead ends: 1997
[2022-10-17 10:55:42,896 INFO L226 Difference]: Without dead ends: 1997
[2022-10-17 10:55:42,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:42,898 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 719 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:42,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1587 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time]
[2022-10-17 10:55:42,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states.
[2022-10-17 10:55:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1452.
[2022-10-17 10:55:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 916 states have (on average 2.0513100436681224) internal successors, (1879), 1433 states have internal predecessors, (1879), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2022-10-17 10:55:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1909 transitions.
[2022-10-17 10:55:42,953 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1909 transitions. Word has length 8
[2022-10-17 10:55:42,953 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:42,953 INFO L495 AbstractCegarLoop]: Abstraction has 1452 states and 1909 transitions.
[2022-10-17 10:55:42,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1909 transitions.
[2022-10-17 10:55:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-10-17 10:55:42,955 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-17 10:55:42,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 10:55:42,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:43,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:43,170 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:43,175 INFO L85 PathProgramCache]: Analyzing trace with hash -102759776, now seen corresponding path program 1 times
[2022-10-17 10:55:43,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:43,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000047789]
[2022-10-17 10:55:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:43,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:43,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:43,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-10-17 10:55:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:43,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-10-17 10:55:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:43,356 INFO L390 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 7
[2022-10-17 10:55:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:43,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:43,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:43,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000047789]
[2022-10-17 10:55:43,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000047789] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:43,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:43,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-17 10:55:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177071076]
[2022-10-17 10:55:43,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:43,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-17 10:55:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:43,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-17 10:55:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:43,395 INFO L87 Difference]: Start difference. First operand 1452 states and 1909 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)