./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:04:52,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:52,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:52,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:52,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:52,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:52,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:52,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:52,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:52,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:52,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:52,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:52,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:52,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:52,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:52,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:52,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:52,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:52,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:52,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:52,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:52,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:52,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:52,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:52,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:52,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:52,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:52,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:52,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:52,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:52,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:52,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:52,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:52,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:52,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:52,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:52,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:52,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:52,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:52,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:52,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:52,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-29 00:04:52,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:52,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:52,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:52,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:52,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:52,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:52,893 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:52,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:52,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:52,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:04:52,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:52,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:52,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:52,896 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 00:04:52,896 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 00:04:52,897 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 00:04:52,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:04:52,897 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 00:04:52,898 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:52,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:52,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:52,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:52,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:04:52,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:52,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:52,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:04:52,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:52,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:04:52,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:52,903 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_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-10-29 00:04:53,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:53,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:53,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:53,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:53,309 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:53,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-29 00:04:53,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/4d6347503/8710e5d433d641058af0bc50164c1216/FLAG3ac1d225f [2021-10-29 00:04:54,208 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:54,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-29 00:04:54,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/4d6347503/8710e5d433d641058af0bc50164c1216/FLAG3ac1d225f [2021-10-29 00:04:54,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/4d6347503/8710e5d433d641058af0bc50164c1216 [2021-10-29 00:04:54,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:54,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-29 00:04:54,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:54,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:54,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:54,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:54" (1/1) ... [2021-10-29 00:04:54,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75314082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:54, skipping insertion in model container [2021-10-29 00:04:54,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:54" (1/1) ... [2021-10-29 00:04:54,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:54,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:55,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:55,048 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 00:04:55,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ebd3ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:55, skipping insertion in model container [2021-10-29 00:04:55,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:55,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-29 00:04:55,054 INFO L168 Benchmark]: Toolchain (without parser) took 633.57 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 80.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:55,057 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory was 87.0 MB in the beginning and 87.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:55,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.1 MB in the beginning and 80.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:55,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 109.1 MB. Free memory was 87.0 MB in the beginning and 87.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.1 MB in the beginning and 80.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:04:58,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:58,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:58,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:58,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:58,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:58,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:58,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:58,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:58,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:58,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:58,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:58,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:58,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:58,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:58,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:58,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:58,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:58,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:58,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:58,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:58,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:58,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:58,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:58,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:58,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:58,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:58,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:58,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:58,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:58,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:58,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:58,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:58,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:58,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:58,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:58,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:58,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:58,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:58,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:58,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:58,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-29 00:04:58,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:58,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:58,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:58,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:58,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:58,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:58,248 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:58,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:58,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:58,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:04:58,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:58,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:58,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:58,251 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 00:04:58,251 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 00:04:58,252 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 00:04:58,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:04:58,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 00:04:58,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 00:04:58,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 00:04:58,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:58,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:58,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:58,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:58,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:04:58,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:58,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:58,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:04:58,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-29 00:04:58,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 00:04:58,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:58,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 00:04:58,257 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_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-10-29 00:04:58,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:58,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:58,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:58,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:58,785 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:58,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-29 00:04:58,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/8332e7489/7295d5ca041248a6a0da328c45ae69c7/FLAGca69b1747 [2021-10-29 00:04:59,586 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:59,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-29 00:04:59,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/8332e7489/7295d5ca041248a6a0da328c45ae69c7/FLAGca69b1747 [2021-10-29 00:04:59,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/data/8332e7489/7295d5ca041248a6a0da328c45ae69c7 [2021-10-29 00:04:59,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:59,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-29 00:04:59,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:59,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:59,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:59,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:59" (1/1) ... [2021-10-29 00:04:59,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7204b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:59, skipping insertion in model container [2021-10-29 00:04:59,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:59" (1/1) ... [2021-10-29 00:04:59,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:59,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:05:00,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:00,534 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 00:05:00,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:05:00,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:00,680 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:05:00,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:00,801 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:05:00,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00 WrapperNode [2021-10-29 00:05:00,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:05:00,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:05:00,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:05:00,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:05:00,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:05:00,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:05:00,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:05:00,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:05:00,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (1/1) ... [2021-10-29 00:05:00,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:05:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:01,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:01,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:05:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-29 00:05:01,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:05:01,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-29 00:05:01,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-29 00:05:01,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-29 00:05:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-29 00:05:01,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-29 00:05:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-29 00:05:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-29 00:05:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-29 00:05:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-29 00:05:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-29 00:05:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-29 00:05:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-29 00:05:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-29 00:05:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-29 00:05:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-29 00:05:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-29 00:05:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-29 00:05:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-29 00:05:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-29 00:05:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-29 00:05:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-29 00:05:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-29 00:05:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-29 00:05:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-29 00:05:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-29 00:05:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-29 00:05:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-29 00:05:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-29 00:05:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-29 00:05:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-29 00:05:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-29 00:05:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-29 00:05:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-29 00:05:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-29 00:05:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-29 00:05:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-29 00:05:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-29 00:05:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-29 00:05:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-29 00:05:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-29 00:05:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-10-29 00:05:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-29 00:05:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-29 00:05:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-29 00:05:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-29 00:05:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-29 00:05:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-29 00:05:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-29 00:05:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-29 00:05:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-29 00:05:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-29 00:05:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-29 00:05:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-29 00:05:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-29 00:05:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-29 00:05:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-29 00:05:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-29 00:05:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-29 00:05:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-29 00:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-29 00:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-29 00:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-29 00:05:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-29 00:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-29 00:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-29 00:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-29 00:05:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-29 00:05:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-29 00:05:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-29 00:05:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-29 00:05:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-29 00:05:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-29 00:05:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-29 00:05:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-29 00:05:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-29 00:05:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-29 00:05:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-29 00:05:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-29 00:05:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-29 00:05:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-29 00:05:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-29 00:05:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-29 00:05:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-29 00:05:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-29 00:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-29 00:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-29 00:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-29 00:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-29 00:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-29 00:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-29 00:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-29 00:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-29 00:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-29 00:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-29 00:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-29 00:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-29 00:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-29 00:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-29 00:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-29 00:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-29 00:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-29 00:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-29 00:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-29 00:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-29 00:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-29 00:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-29 00:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-29 00:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-29 00:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-29 00:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-29 00:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-29 00:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-29 00:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-29 00:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-29 00:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-29 00:05:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-29 00:05:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-29 00:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-29 00:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-29 00:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-29 00:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-29 00:05:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-29 00:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-29 00:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-29 00:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-29 00:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-29 00:05:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-29 00:05:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-29 00:05:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-29 00:05:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-29 00:05:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-29 00:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-29 00:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-29 00:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-29 00:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-29 00:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-29 00:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-29 00:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-29 00:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-29 00:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-29 00:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-29 00:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-29 00:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-29 00:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-29 00:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-29 00:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-29 00:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-29 00:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-29 00:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-29 00:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-29 00:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-29 00:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-29 00:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-29 00:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-29 00:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-29 00:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-29 00:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-29 00:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-29 00:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-29 00:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-29 00:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 00:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-29 00:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-29 00:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-29 00:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 00:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-29 00:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-29 00:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-29 00:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 00:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-29 00:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-29 00:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-29 00:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-29 00:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-29 00:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-29 00:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 00:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-29 00:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-29 00:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-29 00:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-29 00:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-29 00:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 00:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 00:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-29 00:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-29 00:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-29 00:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-29 00:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-29 00:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-29 00:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-29 00:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-29 00:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-29 00:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-29 00:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-29 00:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-29 00:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-29 00:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-29 00:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-29 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-29 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-29 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-10-29 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-29 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-29 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-29 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-29 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-29 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-29 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-29 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-29 00:05:02,002 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 00:05:02,399 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 00:05:02,728 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:05:02,728 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-29 00:05:02,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:02 BoogieIcfgContainer [2021-10-29 00:05:02,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:05:02,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:05:02,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:05:02,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:05:02,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:04:59" (1/3) ... [2021-10-29 00:05:02,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c83cbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:02, skipping insertion in model container [2021-10-29 00:05:02,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:00" (2/3) ... [2021-10-29 00:05:02,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c83cbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:02, skipping insertion in model container [2021-10-29 00:05:02,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:02" (3/3) ... [2021-10-29 00:05:02,741 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-10-29 00:05:02,748 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:05:02,769 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-10-29 00:05:02,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:05:02,829 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 [2021-10-29 00:05:02,830 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-29 00:05:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-29 00:05:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 00:05:02,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:05:02,859 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:02,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-29 00:05:02,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:02,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-10-29 00:05:02,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-29 00:05:02,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749319958] [2021-10-29 00:05:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:02,882 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 00:05:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-29 00:05:02,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 00:05:02,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 00:05:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:05:03,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 00:05:03,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:05:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:05:03,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 00:05:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:05:03,444 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-29 00:05:03,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749319958] [2021-10-29 00:05:03,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749319958] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 00:05:03,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:05:03,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 00:05:03,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357109755] [2021-10-29 00:05:03,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:05:03,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-29 00:05:03,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:05:03,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:05:03,482 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-29 00:05:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:05:03,545 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-29 00:05:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:05:03,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-29 00:05:03,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:05:03,564 INFO L225 Difference]: With dead ends: 35 [2021-10-29 00:05:03,565 INFO L226 Difference]: Without dead ends: 23 [2021-10-29 00:05:03,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:05:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-29 00:05:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-29 00:05:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-29 00:05:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-10-29 00:05:03,605 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-10-29 00:05:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:05:03,605 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-10-29 00:05:03,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-29 00:05:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-10-29 00:05:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 00:05:03,607 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:05:03,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:03,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:03,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-29 00:05:03,828 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-29 00:05:03,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-10-29 00:05:03,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-29 00:05:03,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574442787] [2021-10-29 00:05:03,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:03,830 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 00:05:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-29 00:05:03,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 00:05:03,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 00:05:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:04,037 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:04,107 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-29 00:05:04,107 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 00:05:04,109 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-29 00:05:04,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-29 00:05:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-29 00:05:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-29 00:05:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-29 00:05:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-29 00:05:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-29 00:05:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-29 00:05:04,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-29 00:05:04,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,125 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,125 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,125 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,125 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 00:05:04,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-29 00:05:04,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-29 00:05:04,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-29 00:05:04,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-29 00:05:04,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:04,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-29 00:05:04,344 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 00:05:04,347 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:05:04,357 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-29 00:05:04,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:05:04 BoogieIcfgContainer [2021-10-29 00:05:04,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:05:04,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:05:04,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:05:04,374 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:05:04,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:02" (3/4) ... [2021-10-29 00:05:04,379 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:05:04,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:05:04,381 INFO L168 Benchmark]: Toolchain (without parser) took 4584.42 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.9 MB in the beginning and 43.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:04,382 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:04,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1003.62 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 29.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:04,384 INFO L168 Benchmark]: Boogie Preprocessor took 178.31 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 29.1 MB in the beginning and 65.0 MB in the end (delta: -36.0 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:04,384 INFO L168 Benchmark]: RCFGBuilder took 1749.15 ms. Allocated memory is still 86.0 MB. Free memory was 65.0 MB in the beginning and 40.1 MB in the end (delta: 25.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:04,388 INFO L168 Benchmark]: TraceAbstraction took 1639.58 ms. Allocated memory is still 86.0 MB. Free memory was 39.6 MB in the beginning and 43.7 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:04,391 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 86.0 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:04,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1003.62 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 29.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 178.31 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 29.1 MB in the beginning and 65.0 MB in the end (delta: -36.0 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1749.15 ms. Allocated memory is still 86.0 MB. Free memory was 65.0 MB in the beginning and 40.1 MB in the end (delta: 25.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1639.58 ms. Allocated memory is still 86.0 MB. Free memory was 39.6 MB in the beginning and 43.7 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 86.0 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 00:05:04,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499d910c-5235-4858-bd9f-cf4edcee8a1b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...