./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a3c246dc22ee025e6722717057cde618bbb130ed ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a3c246dc22ee025e6722717057cde618bbb130ed ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:23:25,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:23:25,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:23:25,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:23:25,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:23:25,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:23:25,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:23:25,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:23:25,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:23:25,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:23:25,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:23:25,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:23:25,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:23:25,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:23:25,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:23:25,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:23:25,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:23:25,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:23:25,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:23:25,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:23:25,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:23:25,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:23:25,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:23:25,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:23:25,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:23:25,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:23:25,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:23:25,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:23:25,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:23:25,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:23:25,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:23:25,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:23:25,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:23:25,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:23:25,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:23:25,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:23:25,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:23:25,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:23:25,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:23:25,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:23:25,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:23:25,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:23:25,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:23:25,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:23:25,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:23:25,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:23:25,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:23:25,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:23:25,966 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:23:25,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:23:25,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:23:25,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:23:25,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:23:25,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:23:25,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:23:25,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:23:25,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:23:25,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:23:25,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:23:25,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:25,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:23:25,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:23:25,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:23:25,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:23:25,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:23:25,970 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c246dc22ee025e6722717057cde618bbb130ed [2021-08-27 06:23:26,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:23:26,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:23:26,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:23:26,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:23:26,348 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:23:26,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-08-27 06:23:26,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea9e2928e/d7fa686024624354addec5430a6c9375/FLAG4a976a7e2 [2021-08-27 06:23:26,895 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:23:26,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-08-27 06:23:26,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea9e2928e/d7fa686024624354addec5430a6c9375/FLAG4a976a7e2 [2021-08-27 06:23:26,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea9e2928e/d7fa686024624354addec5430a6c9375 [2021-08-27 06:23:26,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:23:26,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:23:26,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:26,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:23:26,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:23:26,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:26" (1/1) ... [2021-08-27 06:23:26,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44272958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:26, skipping insertion in model container [2021-08-27 06:23:26,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:26" (1/1) ... [2021-08-27 06:23:26,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:23:26,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:27,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:27,296 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) [2021-08-27 06:23:27,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2709bd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:27, skipping insertion in model container [2021-08-27 06:23:27,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:27,298 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:23:27,299 INFO L168 Benchmark]: Toolchain (without parser) took 375.26 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 47.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:27,300 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:27,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.26 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 47.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:27,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.26 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 47.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.5 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-20ed64e [2021-08-27 06:23:28,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:23:28,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:23:28,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:23:28,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:23:28,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:23:28,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:23:28,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:23:28,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:23:29,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:23:29,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:23:29,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:23:29,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:23:29,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:23:29,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:23:29,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:23:29,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:23:29,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:23:29,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:23:29,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:23:29,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:23:29,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:23:29,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:23:29,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:23:29,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:23:29,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:23:29,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:23:29,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:23:29,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:23:29,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:23:29,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:23:29,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:23:29,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:23:29,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:23:29,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:23:29,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:23:29,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:23:29,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:23:29,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:23:29,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:23:29,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:23:29,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:23:29,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:23:29,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:23:29,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:23:29,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:23:29,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:23:29,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:23:29,090 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:23:29,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:23:29,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:23:29,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:23:29,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:23:29,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:23:29,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:23:29,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:23:29,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:23:29,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:23:29,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:23:29,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:23:29,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:29,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:23:29,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:23:29,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:23:29,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:23:29,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:23:29,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:23:29,094 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c246dc22ee025e6722717057cde618bbb130ed [2021-08-27 06:23:29,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:23:29,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:23:29,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:23:29,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:23:29,451 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:23:29,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-08-27 06:23:29,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d503aae/52499d589d414ef8b4ca6b0dbc37d499/FLAGbecc58a2c [2021-08-27 06:23:30,030 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:23:30,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-08-27 06:23:30,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d503aae/52499d589d414ef8b4ca6b0dbc37d499/FLAGbecc58a2c [2021-08-27 06:23:30,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d503aae/52499d589d414ef8b4ca6b0dbc37d499 [2021-08-27 06:23:30,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:23:30,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:23:30,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:30,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:23:30,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:23:30,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:30" (1/1) ... [2021-08-27 06:23:30,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554e514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:30, skipping insertion in model container [2021-08-27 06:23:30,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:30" (1/1) ... [2021-08-27 06:23:30,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:23:30,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:30,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:30,899 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:23:30,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:30,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:30,988 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:23:31,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:31,087 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:23:31,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31 WrapperNode [2021-08-27 06:23:31,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:31,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:23:31,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:23:31,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:23:31,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:23:31,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:23:31,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:23:31,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:23:31,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (1/1) ... [2021-08-27 06:23:31,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:31,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:23:31,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 06:23:31,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 06:23:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:23:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:23:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:23:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:23:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:23:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:23:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:23:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:23:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:23:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:23:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:23:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:23:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:23:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:23:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-08-27 06:23:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-08-27 06:23:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:23:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:23:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:23:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:23:31,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:23:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:23:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:23:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:23:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:23:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:23:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:23:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:23:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:23:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:23:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:23:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:23:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:23:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:23:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:23:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:23:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:23:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:23:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:23:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:23:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:23:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:23:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:23:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:23:31,310 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:23:31,311 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:23:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:23:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:23:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:23:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:23:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:23:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:23:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:23:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:23:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:23:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:23:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:23:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:23:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:23:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:23:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:23:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:23:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:23:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:23:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:23:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:23:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:23:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:23:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:23:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:23:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:23:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:23:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:23:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:23:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:23:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:23:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:23:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:23:32,069 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:23:32,423 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:23:32,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:23:32,785 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:23:32,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:32 BoogieIcfgContainer [2021-08-27 06:23:32,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:23:32,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:23:32,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:23:32,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:23:32,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:23:30" (1/3) ... [2021-08-27 06:23:32,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291fa077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:23:32, skipping insertion in model container [2021-08-27 06:23:32,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:31" (2/3) ... [2021-08-27 06:23:32,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291fa077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:23:32, skipping insertion in model container [2021-08-27 06:23:32,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:32" (3/3) ... [2021-08-27 06:23:32,793 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-08-27 06:23:32,797 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:23:32,797 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-08-27 06:23:32,830 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:23:32,835 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, mConcurrency=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 [2021-08-27 06:23:32,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-08-27 06:23:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-27 06:23:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 06:23:32,857 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:32,858 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:23:32,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:32,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:32,862 INFO L82 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-08-27 06:23:32,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:32,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349966321] [2021-08-27 06:23:32,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:32,873 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:32,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:32,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:23:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:33,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 06:23:33,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:33,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:33,583 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:33,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349966321] [2021-08-27 06:23:33,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349966321] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:33,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:33,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-08-27 06:23:33,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404416368] [2021-08-27 06:23:33,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 06:23:33,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:33,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 06:23:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-27 06:23:33,617 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:33,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:33,694 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-08-27 06:23:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 06:23:33,696 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-08-27 06:23:33,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:33,702 INFO L225 Difference]: With dead ends: 33 [2021-08-27 06:23:33,702 INFO L226 Difference]: Without dead ends: 30 [2021-08-27 06:23:33,704 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.8ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:23:33,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-08-27 06:23:33,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-08-27 06:23:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-27 06:23:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-08-27 06:23:33,731 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-08-27 06:23:33,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:33,732 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-08-27 06:23:33,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-08-27 06:23:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:23:33,734 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:33,734 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:23:33,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:33,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:33,955 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting g5Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:33,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:33,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-08-27 06:23:33,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:33,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602879309] [2021-08-27 06:23:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:33,957 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:33,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:33,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:23:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:34,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 06:23:34,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:34,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:34,811 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:34,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602879309] [2021-08-27 06:23:34,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602879309] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:34,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:34,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-08-27 06:23:34,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086531909] [2021-08-27 06:23:34,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-27 06:23:34,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 06:23:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-08-27 06:23:34,815 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 06:23:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:35,146 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-08-27 06:23:35,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-27 06:23:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-08-27 06:23:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:35,149 INFO L225 Difference]: With dead ends: 46 [2021-08-27 06:23:35,149 INFO L226 Difference]: Without dead ends: 46 [2021-08-27 06:23:35,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 322.1ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-08-27 06:23:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-08-27 06:23:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-08-27 06:23:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-08-27 06:23:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-08-27 06:23:35,156 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-08-27 06:23:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:35,156 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-08-27 06:23:35,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 06:23:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-08-27 06:23:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-27 06:23:35,157 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:35,165 INFO L512 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] [2021-08-27 06:23:35,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:35,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:35,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:35,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-08-27 06:23:35,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:35,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345821712] [2021-08-27 06:23:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:35,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:35,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:35,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 06:23:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:35,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 06:23:35,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:35,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 06:23:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:35,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:35,971 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:35,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345821712] [2021-08-27 06:23:35,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345821712] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:35,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:35,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-08-27 06:23:35,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725386345] [2021-08-27 06:23:35,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 06:23:35,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 06:23:35,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-27 06:23:35,974 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:36,079 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-08-27 06:23:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 06:23:36,080 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-08-27 06:23:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:36,081 INFO L225 Difference]: With dead ends: 43 [2021-08-27 06:23:36,081 INFO L226 Difference]: Without dead ends: 43 [2021-08-27 06:23:36,081 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 101.7ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:23:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-08-27 06:23:36,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-27 06:23:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-08-27 06:23:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-08-27 06:23:36,087 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-08-27 06:23:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:36,088 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-08-27 06:23:36,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-08-27 06:23:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-27 06:23:36,089 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:36,089 INFO L512 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] [2021-08-27 06:23:36,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:36,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:36,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:36,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-08-27 06:23:36,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:36,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637518127] [2021-08-27 06:23:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:36,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:36,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:36,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:36,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 06:23:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:36,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 06:23:36,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:36,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:37,005 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:37,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637518127] [2021-08-27 06:23:37,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637518127] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:37,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:37,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-08-27 06:23:37,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166850980] [2021-08-27 06:23:37,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 06:23:37,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 06:23:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-27 06:23:37,007 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:37,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:37,067 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-08-27 06:23:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 06:23:37,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-08-27 06:23:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:37,069 INFO L225 Difference]: With dead ends: 41 [2021-08-27 06:23:37,070 INFO L226 Difference]: Without dead ends: 41 [2021-08-27 06:23:37,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 92.9ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:23:37,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-08-27 06:23:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-08-27 06:23:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-08-27 06:23:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-08-27 06:23:37,084 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-08-27 06:23:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:37,084 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-08-27 06:23:37,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-08-27 06:23:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:23:37,086 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:37,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:23:37,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:37,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:37,296 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:37,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:37,296 INFO L82 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-08-27 06:23:37,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:37,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483286104] [2021-08-27 06:23:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:37,297 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:37,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:37,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:37,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 06:23:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:37,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 06:23:37,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:37,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:37,778 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:37,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483286104] [2021-08-27 06:23:37,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483286104] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:37,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:37,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:23:37,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321318283] [2021-08-27 06:23:37,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:23:37,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:37,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:23:37,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:23:37,780 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 06:23:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:37,807 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-08-27 06:23:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:23:37,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-08-27 06:23:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:37,809 INFO L225 Difference]: With dead ends: 42 [2021-08-27 06:23:37,809 INFO L226 Difference]: Without dead ends: 28 [2021-08-27 06:23:37,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:23:37,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-08-27 06:23:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-08-27 06:23:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-27 06:23:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-08-27 06:23:37,816 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-08-27 06:23:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:37,817 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-08-27 06:23:37,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 06:23:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-08-27 06:23:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-27 06:23:37,818 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:37,818 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:23:37,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:38,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:38,034 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:38,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:38,034 INFO L82 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-08-27 06:23:38,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:38,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194334604] [2021-08-27 06:23:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:38,035 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:38,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:38,035 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:23:38,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 06:23:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:38,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-27 06:23:38,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:38,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:42,966 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:42,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194334604] [2021-08-27 06:23:42,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:23:42,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1901590575] [2021-08-27 06:23:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:42,967 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 06:23:42,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 06:23:42,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 06:23:42,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-08-27 06:23:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:43,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-27 06:23:43,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:43,373 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:23:43,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-08-27 06:23:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:47,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:52,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:23:52,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837582112] [2021-08-27 06:23:52,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:52,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 06:23:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:23:52,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 06:23:52,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-27 06:23:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:52,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-27 06:23:52,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:52,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:56,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:23:56,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:56,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 06:23:56,820 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 06:23:56,820 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 06:23:56,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:23:56,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:23:56,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:23:56,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:23:56,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:23:56,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:23:56,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:57,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:57,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-08-27 06:23:57,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:57,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:23:57,457 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:23:57,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:23:57 BoogieIcfgContainer [2021-08-27 06:23:57,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:23:57,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:23:57,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:23:57,465 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:23:57,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:32" (3/4) ... [2021-08-27 06:23:57,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:23:57,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:23:57,468 INFO L168 Benchmark]: Toolchain (without parser) took 26960.99 ms. Allocated memory was 56.6 MB in the beginning and 151.0 MB in the end (delta: 94.4 MB). Free memory was 34.1 MB in the beginning and 56.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:57,469 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:57,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.14 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.8 MB in the beginning and 48.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:57,469 INFO L168 Benchmark]: Boogie Preprocessor took 110.37 ms. Allocated memory is still 69.2 MB. Free memory was 48.6 MB in the beginning and 43.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:57,470 INFO L168 Benchmark]: RCFGBuilder took 1587.42 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 43.9 MB in the beginning and 62.8 MB in the end (delta: -18.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:57,470 INFO L168 Benchmark]: TraceAbstraction took 24675.26 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 62.3 MB in the beginning and 56.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:57,470 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 151.0 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:57,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.14 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.8 MB in the beginning and 48.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.37 ms. Allocated memory is still 69.2 MB. Free memory was 48.6 MB in the beginning and 43.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1587.42 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 43.9 MB in the beginning and 62.8 MB in the end (delta: -18.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24675.26 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 62.3 MB in the beginning and 56.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.40 ms. Allocated memory is still 151.0 MB. Free memory is still 56.7 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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L771] CALL entry_point() [L767] CALL, EXPR h5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return p; [L767] RET, EXPR h5() [L767] int *p = h5(); [L768] CALL g5(p) [L762] COND TRUE \read(*p) [L763] free(p) [L763] free(p) [L763] free(p) [L768] RET g5(p) [L771] RET entry_point() - 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: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: 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 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 24624.5ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 17.8ms, AutomataDifference: 650.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 138 SDtfs, 77 SDslu, 640 SDs, 0 SdLazy, 441 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 343.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 169 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 579.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 44.9ms AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.2ms SsaConstructionTime, 107.9ms SatisfiabilityAnalysisTime, 2176.5ms InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 11 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 [2021-08-27 06:23:57,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...