./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF --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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:27:36,666 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:27:36,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:27:36,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:27:36,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:27:36,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:27:36,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:27:36,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:27:36,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:27:36,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:27:36,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:27:36,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:27:36,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:27:36,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:27:36,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:27:36,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:27:36,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:27:36,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:27:36,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:27:36,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:27:36,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:27:36,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:27:36,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:27:36,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:27:36,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:27:36,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:27:36,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:27:36,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:27:36,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:27:36,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:27:36,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:27:36,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:27:36,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:27:36,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:27:36,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:27:36,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:27:36,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:27:36,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:27:36,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:27:36,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:27:36,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:27:36,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-11-20 07:27:36,852 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 07:27:36,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:27:36,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:27:36,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:27:36,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:27:36,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:27:36,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:27:36,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 07:27:36,855 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 07:27:36,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:27:36,856 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 07:27:36,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-20 07:27:36,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-20 07:27:36,856 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 07:27:36,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 07:27:36,857 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-11-20 07:27:36,857 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-11-20 07:27:36,857 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-11-20 07:27:36,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:27:36,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-11-20 07:27:36,858 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 07:27:36,858 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 07:27:36,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:27:36,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 07:27:36,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-20 07:27:36,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:27:36,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:27:36,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:27:36,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-20 07:27:36,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 07:27:36,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-20 07:27:36,861 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_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2
[2021-11-20 07:27:37,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:27:37,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:27:37,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:27:37,183 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 07:27:37,184 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 07:27:37,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i
[2021-11-20 07:27:37,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/e4aa53c95/d14e55c909a041f78c4f896aaffbed1c/FLAG0faff50ca
[2021-11-20 07:27:37,931 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 07:27:37,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i
[2021-11-20 07:27:37,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/e4aa53c95/d14e55c909a041f78c4f896aaffbed1c/FLAG0faff50ca
[2021-11-20 07:27:38,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/e4aa53c95/d14e55c909a041f78c4f896aaffbed1c
[2021-11-20 07:27:38,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:27:38,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:27:38,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:27:38,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:27:38,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:27:38,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:38" (1/1) ...
[2021-11-20 07:27:38,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbe5623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38, skipping insertion in model container
[2021-11-20 07:27:38,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:38" (1/1) ...
[2021-11-20 07:27:38,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 07:27:38,288 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:27:38,891 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:27:38,921 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2021-11-20 07:27:38,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5101d54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38, skipping insertion in model container
[2021-11-20 07:27:38,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:27:38,922 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2021-11-20 07:27:38,926 INFO L158 Benchmark]: Toolchain (without parser) took 744.43ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 76.6MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-20 07:27:38,927 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:27:38,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.68ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 76.6MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-20 07:27:38,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 737.68ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 76.6MB in the end (delta: -11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax
Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF --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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:27:41,602 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:27:41,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:27:41,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:27:41,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:27:41,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:27:41,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:27:41,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:27:41,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:27:41,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:27:41,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:27:41,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:27:41,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:27:41,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:27:41,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:27:41,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:27:41,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:27:41,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:27:41,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:27:41,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:27:41,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:27:41,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:27:41,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:27:41,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:27:41,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:27:41,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:27:41,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:27:41,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:27:41,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:27:41,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:27:41,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:27:41,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:27:41,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:27:41,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:27:41,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:27:41,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:27:41,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:27:41,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:27:41,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:27:41,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:27:41,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:27:41,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2021-11-20 07:27:41,834 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 07:27:41,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:27:41,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:27:41,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:27:41,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:27:41,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:27:41,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:27:41,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 07:27:41,839 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 07:27:41,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:27:41,841 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 07:27:41,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-20 07:27:41,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-20 07:27:41,842 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 07:27:41,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 07:27:41,843 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-11-20 07:27:41,843 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-11-20 07:27:41,843 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-11-20 07:27:41,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:27:41,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-11-20 07:27:41,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-20 07:27:41,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-20 07:27:41,844 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 07:27:41,844 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 07:27:41,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:27:41,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 07:27:41,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-20 07:27:41,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:27:41,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:27:41,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:27:41,847 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-20 07:27:41,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-20 07:27:41,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-20 07:27:41,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-20 07:27:41,848 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_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2
[2021-11-20 07:27:42,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:27:42,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:27:42,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:27:42,377 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 07:27:42,377 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 07:27:42,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i
[2021-11-20 07:27:42,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/2a0271e96/bc19b8396ebb4e5aa5142119b122ddb3/FLAG154b10b89
[2021-11-20 07:27:43,101 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 07:27:43,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i
[2021-11-20 07:27:43,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/2a0271e96/bc19b8396ebb4e5aa5142119b122ddb3/FLAG154b10b89
[2021-11-20 07:27:43,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/data/2a0271e96/bc19b8396ebb4e5aa5142119b122ddb3
[2021-11-20 07:27:43,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:27:43,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:27:43,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:27:43,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:27:43,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:27:43,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:43" (1/1) ...
[2021-11-20 07:27:43,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d99da71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:43, skipping insertion in model container
[2021-11-20 07:27:43,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:43" (1/1) ...
[2021-11-20 07:27:43,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 07:27:43,451 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:27:43,946 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:27:43,980 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-11-20 07:27:44,004 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:27:44,107 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:27:44,133 INFO L203 MainTranslator]: Completed pre-run
[2021-11-20 07:27:44,219 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:27:44,282 INFO L208 MainTranslator]: Completed translation
[2021-11-20 07:27:44,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44 WrapperNode
[2021-11-20 07:27:44,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:27:44,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:27:44,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:27:44,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:27:44,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,356 INFO L137 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 30
[2021-11-20 07:27:44,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:27:44,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:27:44,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:27:44,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:27:44,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:27:44,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:27:44,408 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:27:44,408 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:27:44,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (1/1) ...
[2021-11-20 07:27:44,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:27:44,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 07:27:44,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:44,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:27:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2021-11-20 07:27:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2021-11-20 07:27:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-20 07:27:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:27:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:27:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-20 07:27:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:27:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:27:44,682 INFO L236 CfgBuilder]: Building ICFG
[2021-11-20 07:27:44,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:27:44,876 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-20 07:27:44,895 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:27:44,895 INFO L301 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-20 07:27:44,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:44 BoogieIcfgContainer
[2021-11-20 07:27:44,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:27:44,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:27:44,902 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:27:44,906 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:27:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:27:43" (1/3) ...
[2021-11-20 07:27:44,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fd70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:44, skipping insertion in model container
[2021-11-20 07:27:44,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:44" (2/3) ...
[2021-11-20 07:27:44,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fd70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:44, skipping insertion in model container
[2021-11-20 07:27:44,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:44" (3/3) ...
[2021-11-20 07:27:44,912 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i
[2021-11-20 07:27:44,919 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:27:44,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-11-20 07:27:44,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-20 07:27:45,006 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-20 07:27:45,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-11-20 07:27:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-20 07:27:45,060 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:45,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:45,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:45,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2147112549, now seen corresponding path program 1 times
[2021-11-20 07:27:45,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:45,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743971089]
[2021-11-20 07:27:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:45,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:45,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:45,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-20 07:27:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:45,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-20 07:27:45,239 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:45,423 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:45,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:45,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743971089]
[2021-11-20 07:27:45,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743971089] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:45,534 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:45,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-11-20 07:27:45,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577701355]
[2021-11-20 07:27:45,537 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:45,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-20 07:27:45,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-20 07:27:45,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-20 07:27:45,577 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:45,658 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions.
[2021-11-20 07:27:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-20 07:27:45,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2021-11-20 07:27:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:45,673 INFO L225 Difference]: With dead ends: 23
[2021-11-20 07:27:45,673 INFO L226 Difference]: Without dead ends: 21
[2021-11-20 07:27:45,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:27:45,680 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:45,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-20 07:27:45,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-20 07:27:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions.
[2021-11-20 07:27:45,721 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12
[2021-11-20 07:27:45,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:45,722 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions.
[2021-11-20 07:27:45,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions.
[2021-11-20 07:27:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-20 07:27:45,723 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:45,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:45,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:45,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:45,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2135979633, now seen corresponding path program 1 times
[2021-11-20 07:27:45,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:45,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216830305]
[2021-11-20 07:27:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:45,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:45,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:46,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-20 07:27:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:46,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-20 07:27:46,049 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:46,309 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:46,480 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:46,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216830305]
[2021-11-20 07:27:46,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216830305] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:46,480 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:46,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8
[2021-11-20 07:27:46,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587558028]
[2021-11-20 07:27:46,481 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:46,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-20 07:27:46,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:46,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-20 07:27:46,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2021-11-20 07:27:46,487 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:27:46,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:46,712 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions.
[2021-11-20 07:27:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-20 07:27:46,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13
[2021-11-20 07:27:46,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:46,715 INFO L225 Difference]: With dead ends: 31
[2021-11-20 07:27:46,715 INFO L226 Difference]: Without dead ends: 31
[2021-11-20 07:27:46,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2021-11-20 07:27:46,718 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:46,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 59 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2021-11-20 07:27:46,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2021-11-20 07:27:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24.
[2021-11-20 07:27:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-20 07:27:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2021-11-20 07:27:46,730 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 13
[2021-11-20 07:27:46,730 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:46,730 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2021-11-20 07:27:46,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:27:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2021-11-20 07:27:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-20 07:27:46,732 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:46,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:46,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:46,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:46,954 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:46,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:46,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1790859239, now seen corresponding path program 1 times
[2021-11-20 07:27:46,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:46,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112391049]
[2021-11-20 07:27:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:46,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:46,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:47,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-20 07:27:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:47,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-20 07:27:47,039 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:47,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-11-20 07:27:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:47,190 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:47,288 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:47,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112391049]
[2021-11-20 07:27:47,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112391049] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:47,289 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:47,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-11-20 07:27:47,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205953092]
[2021-11-20 07:27:47,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:47,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-20 07:27:47,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-20 07:27:47,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-20 07:27:47,293 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:47,351 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions.
[2021-11-20 07:27:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-20 07:27:47,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-11-20 07:27:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:47,353 INFO L225 Difference]: With dead ends: 30
[2021-11-20 07:27:47,354 INFO L226 Difference]: Without dead ends: 30
[2021-11-20 07:27:47,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-20 07:27:47,370 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:47,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-11-20 07:27:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29.
[2021-11-20 07:27:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 25 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-20 07:27:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2021-11-20 07:27:47,375 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 14
[2021-11-20 07:27:47,376 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:47,376 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2021-11-20 07:27:47,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2021-11-20 07:27:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-20 07:27:47,377 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:47,377 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:47,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:47,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:47,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:47,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1791167080, now seen corresponding path program 1 times
[2021-11-20 07:27:47,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:47,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658252746]
[2021-11-20 07:27:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:47,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:47,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:47,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-20 07:27:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:47,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-20 07:27:47,649 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:47,693 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:47,723 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:47,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658252746]
[2021-11-20 07:27:47,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658252746] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:47,724 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:47,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-11-20 07:27:47,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791350313]
[2021-11-20 07:27:47,725 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:47,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-20 07:27:47,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-20 07:27:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-20 07:27:47,727 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:47,752 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions.
[2021-11-20 07:27:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-20 07:27:47,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-11-20 07:27:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:47,755 INFO L225 Difference]: With dead ends: 44
[2021-11-20 07:27:47,755 INFO L226 Difference]: Without dead ends: 44
[2021-11-20 07:27:47,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-20 07:27:47,764 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 27 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:47,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 57 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:47,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2021-11-20 07:27:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 31.
[2021-11-20 07:27:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-20 07:27:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions.
[2021-11-20 07:27:47,780 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 14
[2021-11-20 07:27:47,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:47,781 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions.
[2021-11-20 07:27:47,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions.
[2021-11-20 07:27:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-20 07:27:47,782 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:47,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:47,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:47,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:47,994 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1594345734, now seen corresponding path program 1 times
[2021-11-20 07:27:47,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:47,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078343084]
[2021-11-20 07:27:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:47,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:47,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:47,999 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:48,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-20 07:27:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:48,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-20 07:27:48,074 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:48,158 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:48,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:48,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078343084]
[2021-11-20 07:27:48,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078343084] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:48,248 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:48,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5
[2021-11-20 07:27:48,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717975278]
[2021-11-20 07:27:48,249 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:48,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-20 07:27:48,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:48,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-20 07:27:48,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-20 07:27:48,251 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:48,321 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions.
[2021-11-20 07:27:48,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-20 07:27:48,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-11-20 07:27:48,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:48,323 INFO L225 Difference]: With dead ends: 30
[2021-11-20 07:27:48,323 INFO L226 Difference]: Without dead ends: 30
[2021-11-20 07:27:48,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:27:48,324 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:48,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 72 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-11-20 07:27:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25.
[2021-11-20 07:27:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-20 07:27:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions.
[2021-11-20 07:27:48,330 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 14
[2021-11-20 07:27:48,330 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:48,330 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions.
[2021-11-20 07:27:48,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions.
[2021-11-20 07:27:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-20 07:27:48,331 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:48,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:48,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:48,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:48,549 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:48,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:48,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1651911877, now seen corresponding path program 1 times
[2021-11-20 07:27:48,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:48,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489268732]
[2021-11-20 07:27:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:48,551 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:48,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:48,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-20 07:27:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:48,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-20 07:27:48,604 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:48,658 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:48,737 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:48,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489268732]
[2021-11-20 07:27:48,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489268732] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:48,739 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:48,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2021-11-20 07:27:48,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779691756]
[2021-11-20 07:27:48,741 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:48,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-20 07:27:48,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:48,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-20 07:27:48,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-20 07:27:48,743 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:48,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:48,770 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions.
[2021-11-20 07:27:48,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-20 07:27:48,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2021-11-20 07:27:48,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:48,772 INFO L225 Difference]: With dead ends: 31
[2021-11-20 07:27:48,772 INFO L226 Difference]: Without dead ends: 28
[2021-11-20 07:27:48,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-20 07:27:48,774 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:48,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2021-11-20 07:27:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23.
[2021-11-20 07:27:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2021-11-20 07:27:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions.
[2021-11-20 07:27:48,781 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 14
[2021-11-20 07:27:48,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:48,782 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions.
[2021-11-20 07:27:48,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions.
[2021-11-20 07:27:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-11-20 07:27:48,783 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:48,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:48,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:48,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:48,998 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:48,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:48,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1299359058, now seen corresponding path program 1 times
[2021-11-20 07:27:48,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:48,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720455322]
[2021-11-20 07:27:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:49,000 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:49,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:49,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:49,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2021-11-20 07:27:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:49,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-20 07:27:49,071 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:49,303 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:57,710 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_ULTIMATE.start_probe_9_#t~ret38#1.base_29| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_ULTIMATE.start_probe_9_#t~ret38#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4|)) (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_probe_9_#t~ret38#1.base_29|))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4|))) is different from false
[2021-11-20 07:27:57,862 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_29| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_29|)))))) (= |v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4| (store |c_#valid| |v_ldv_malloc_#res.base_29| (_ bv0 1))) (exists ((|v_ULTIMATE.start_probe_9_#t~ret38#1.base_29| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_ULTIMATE.start_probe_9_#t~ret38#1.base_29| (_ bv0 1)) |v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4|)) (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_probe_9_#t~ret38#1.base_29|))))))) is different from false
[2021-11-20 07:27:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:57,967 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:57,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720455322]
[2021-11-20 07:27:57,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720455322] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:57,968 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:57,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12
[2021-11-20 07:27:57,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198147738]
[2021-11-20 07:27:57,969 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:57,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-20 07:27:57,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:57,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-20 07:27:57,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=84, Unknown=6, NotChecked=38, Total=156
[2021-11-20 07:27:57,971 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:27:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:58,138 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions.
[2021-11-20 07:27:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-20 07:27:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18
[2021-11-20 07:27:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:58,140 INFO L225 Difference]: With dead ends: 32
[2021-11-20 07:27:58,140 INFO L226 Difference]: Without dead ends: 19
[2021-11-20 07:27:58,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=34, Invalid=100, Unknown=6, NotChecked=42, Total=182
[2021-11-20 07:27:58,141 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:58,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 96 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 60 Unchecked, 0.1s Time]
[2021-11-20 07:27:58,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-11-20 07:27:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-11-20 07:27:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions.
[2021-11-20 07:27:58,145 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18
[2021-11-20 07:27:58,145 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:58,145 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions.
[2021-11-20 07:27:58,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:27:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions.
[2021-11-20 07:27:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-11-20 07:27:58,146 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:27:58,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:58,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:58,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:58,358 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] ===
[2021-11-20 07:27:58,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:27:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2097022603, now seen corresponding path program 1 times
[2021-11-20 07:27:58,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:27:58,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74726407]
[2021-11-20 07:27:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:27:58,360 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:27:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:27:58,361 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:27:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2021-11-20 07:27:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:27:58,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-20 07:27:58,413 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:27:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:58,476 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:27:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:27:58,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:27:58,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74726407]
[2021-11-20 07:27:58,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74726407] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:27:58,533 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:27:58,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2021-11-20 07:27:58,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769412470]
[2021-11-20 07:27:58,533 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:27:58,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-20 07:27:58,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:27:58,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-20 07:27:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-20 07:27:58,534 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:27:58,549 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions.
[2021-11-20 07:27:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-20 07:27:58,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2021-11-20 07:27:58,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:27:58,550 INFO L225 Difference]: With dead ends: 11
[2021-11-20 07:27:58,550 INFO L226 Difference]: Without dead ends: 0
[2021-11-20 07:27:58,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-11-20 07:27:58,551 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:27:58,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:27:58,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-20 07:27:58,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-20 07:27:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:27:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-20 07:27:58,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2021-11-20 07:27:58,553 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:27:58,553 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-20 07:27:58,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-11-20 07:27:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-20 07:27:58,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-20 07:27:58,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining)
[2021-11-20 07:27:58,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining)
[2021-11-20 07:27:58,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining)
[2021-11-20 07:27:58,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining)
[2021-11-20 07:27:58,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2021-11-20 07:27:58,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:27:58,764 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:27:58,768 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-20 07:27:58,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:27:58 BoogieIcfgContainer
[2021-11-20 07:27:58,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-20 07:27:58,771 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-20 07:27:58,771 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-20 07:27:58,772 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-20 07:27:58,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:44" (3/4) ...
[2021-11-20 07:27:58,775 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-20 07:27:58,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc
[2021-11-20 07:27:58,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-20 07:27:58,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-20 07:27:58,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-20 07:27:58,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/witness.graphml
[2021-11-20 07:27:58,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-20 07:27:58,828 INFO L158 Benchmark]: Toolchain (without parser) took 15463.90ms. Allocated memory was 67.1MB in the beginning and 111.1MB in the end (delta: 44.0MB). Free memory was 45.4MB in the beginning and 62.6MB in the end (delta: -17.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,828 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:27:58,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 917.88ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 32.6MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.25ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 30.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,829 INFO L158 Benchmark]: Boogie Preprocessor took 48.42ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 30.3MB in the beginning and 74.5MB in the end (delta: -44.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,830 INFO L158 Benchmark]: RCFGBuilder took 490.77ms. Allocated memory is still 92.3MB. Free memory was 74.5MB in the beginning and 64.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,830 INFO L158 Benchmark]: TraceAbstraction took 13870.58ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.6MB in the beginning and 65.1MB in the end (delta: -1.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,832 INFO L158 Benchmark]: Witness Printer took 55.49ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:27:58,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 917.88ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 32.6MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 73.25ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 30.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.42ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 30.3MB in the beginning and 74.5MB in the end (delta: -44.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB.
* RCFGBuilder took 490.77ms. Allocated memory is still 92.3MB. Free memory was 74.5MB in the beginning and 64.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 13870.58ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.6MB in the beginning and 65.1MB in the end (delta: -1.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB.
* Witness Printer took 55.49ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 62.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 766]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 766]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 766]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 775]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 60 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 152 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 182 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=4, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 218 ConstructedInterpolants, 9 QuantifiedInterpolants, 970 SizeOfPredicates, 4 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-11-20 07:27:58,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cceb0a-61be-4f94-8861-21a5549029f0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE