./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test11.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_test11.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 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 ................................................................................................................................... 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_test11.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 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:03:35,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:03:35,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:03:35,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:03:35,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:03:35,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:03:35,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:03:35,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:03:35,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:03:35,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:03:35,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:03:35,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:03:35,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:03:35,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:03:35,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:03:35,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:03:35,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:03:35,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:03:35,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:03:35,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:03:35,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:03:35,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:03:35,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:03:35,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:03:35,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:03:35,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:03:35,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:03:35,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:03:35,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:03:35,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:03:35,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:03:35,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:03:35,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:03:35,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:03:35,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:03:35,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:03:35,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:03:35,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:03:35,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:03:35,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:03:35,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:03:35,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:03:35,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:03:35,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:03:35,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:03:35,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:03:35,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:03:35,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:03:35,348 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:03:35,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:03:35,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:03:35,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:03:35,350 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:03:35,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:03:35,351 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:03:35,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:03:35,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:03:35,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:03:35,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:03:35,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:03:35,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:03:35,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:03:35,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:03:35,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:03:35,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:03:35,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:03:35,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 [2021-08-27 06:03:35,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:03:35,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:03:35,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:03:35,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:03:35,707 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:03:35,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-08-27 06:03:35,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6ad7dfc/6ec7ab53ed954b679d40b966d3d1bf36/FLAGba4e19357 [2021-08-27 06:03:36,363 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:03:36,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-08-27 06:03:36,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6ad7dfc/6ec7ab53ed954b679d40b966d3d1bf36/FLAGba4e19357 [2021-08-27 06:03:36,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6ad7dfc/6ec7ab53ed954b679d40b966d3d1bf36 [2021-08-27 06:03:36,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:03:36,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:03:36,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:36,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:03:36,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:03:36,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:36" (1/1) ... [2021-08-27 06:03:36,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6451bf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:36, skipping insertion in model container [2021-08-27 06:03:36,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:36" (1/1) ... [2021-08-27 06:03:36,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:03:36,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:03:37,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:37,161 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 06:03:37,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30e15519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:37, skipping insertion in model container [2021-08-27 06:03:37,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:37,162 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:03:37,164 INFO L168 Benchmark]: Toolchain (without parser) took 420.85 ms. Allocated memory is still 60.8 MB. Free memory was 38.1 MB in the beginning and 40.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:03:37,165 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 43.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:03:37,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.54 ms. Allocated memory is still 60.8 MB. Free memory was 37.8 MB in the beginning and 40.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:03:37,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 43.1 MB in the beginning and 43.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.54 ms. Allocated memory is still 60.8 MB. Free memory was 37.8 MB in the beginning and 40.9 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.6 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 06:03:38,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:03:38,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:03:38,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:03:38,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:03:38,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:03:38,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:03:38,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:03:38,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:03:38,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:03:38,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:03:38,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:03:38,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:03:38,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:03:38,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:03:38,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:03:38,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:03:38,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:03:38,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:03:38,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:03:38,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:03:38,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:03:38,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:03:38,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:03:38,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:03:38,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:03:38,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:03:38,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:03:38,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:03:38,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:03:38,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:03:38,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:03:38,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:03:38,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:03:38,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:03:38,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:03:38,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:03:38,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:03:38,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:03:38,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:03:38,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:03:38,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:03:38,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:03:38,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:03:38,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:03:38,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:03:38,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:03:38,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:03:38,942 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:03:38,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:03:38,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:03:38,942 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:03:38,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:03:38,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:03:38,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:03:38,944 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:03:38,944 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:03:38,944 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:03:38,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:03:38,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:03:38,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:03:38,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:03:38,945 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:03:38,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:03:38,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:03:38,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:03:38,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:03:38,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:03:38,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:03:38,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:03:38,947 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:03:38,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:03:38,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:03:38,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:03:38,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 [2021-08-27 06:03:39,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:03:39,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:03:39,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:03:39,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:03:39,285 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:03:39,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-08-27 06:03:39,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597b2ae53/c927b6c527d7421abcd2d662f2f9b215/FLAG45e642299 [2021-08-27 06:03:39,838 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:03:39,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-08-27 06:03:39,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597b2ae53/c927b6c527d7421abcd2d662f2f9b215/FLAG45e642299 [2021-08-27 06:03:40,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597b2ae53/c927b6c527d7421abcd2d662f2f9b215 [2021-08-27 06:03:40,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:03:40,203 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:03:40,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:40,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:03:40,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:03:40,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674455ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40, skipping insertion in model container [2021-08-27 06:03:40,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:03:40,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:03:40,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:40,665 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:03:40,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:03:40,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:40,757 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:03:40,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:40,871 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:03:40,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40 WrapperNode [2021-08-27 06:03:40,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:40,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:03:40,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:03:40,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:03:40,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:40,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:41,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:03:41,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:03:41,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:03:41,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:03:41,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (1/1) ... [2021-08-27 06:03:41,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:03:41,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:03:41,038 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 06:03:41,051 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 06:03:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:03:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:03:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:03:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:03:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:03:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:03:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:03:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:03:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:03:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:03:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:03:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:03:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:03:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:03:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:03:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:03:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:03:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:03:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:03:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:03:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:03:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:03:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:03:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:03:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:03:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:03:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-08-27 06:03:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-08-27 06:03:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2021-08-27 06:03:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-08-27 06:03:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:03:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:03:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:03:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:03:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:03:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:03:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:03:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:03:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:03:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:03:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:03:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:03:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:03:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:03:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:03:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:03:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:03:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:03:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:03:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:03:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:03:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:03:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:03:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:03:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:03:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:03:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:03:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:03:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:03:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:03:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:03:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:03:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:03:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:03:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:03:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:03:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:03:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:03:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:03:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:03:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:03:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:03:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:03:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:03:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:03:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:03:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:03:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:03:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:03:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:03:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:03:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:03:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:03:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:03:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:03:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:03:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:03:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:03:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:03:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:03:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:03:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:03:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:03:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:03:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:03:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:03:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:03:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:03:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:03:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:03:41,816 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:03:42,100 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:03:42,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:03:42,403 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:03:42,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:42 BoogieIcfgContainer [2021-08-27 06:03:42,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:03:42,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:03:42,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:03:42,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:03:42,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:03:40" (1/3) ... [2021-08-27 06:03:42,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340f279b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:03:42, skipping insertion in model container [2021-08-27 06:03:42,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:40" (2/3) ... [2021-08-27 06:03:42,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340f279b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:03:42, skipping insertion in model container [2021-08-27 06:03:42,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:42" (3/3) ... [2021-08-27 06:03:42,412 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2021-08-27 06:03:42,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:03:42,416 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-08-27 06:03:42,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:03:42,466 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 06:03:42,466 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-08-27 06:03:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-08-27 06:03:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:03:42,487 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:42,487 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:42,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:03:42,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:42,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1516499371, now seen corresponding path program 1 times [2021-08-27 06:03:42,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:42,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49086022] [2021-08-27 06:03:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:42,503 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:42,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:42,505 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 06:03:42,535 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 06:03:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:42,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:03:42,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:42,829 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 06:03:42,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:42,932 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 06:03:42,933 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:42,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49086022] [2021-08-27 06:03:42,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49086022] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:03:42,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:03:42,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:03:42,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838332559] [2021-08-27 06:03:42,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:03:42,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:03:42,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:42,952 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:43,031 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-08-27 06:03:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:03:43,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-08-27 06:03:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:43,042 INFO L225 Difference]: With dead ends: 146 [2021-08-27 06:03:43,042 INFO L226 Difference]: Without dead ends: 143 [2021-08-27 06:03:43,043 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-08-27 06:03:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-08-27 06:03:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-08-27 06:03:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-08-27 06:03:43,078 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-08-27 06:03:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:43,078 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-08-27 06:03:43,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-08-27 06:03:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:03:43,080 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:43,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:43,089 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 06:03:43,289 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 06:03:43,289 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:03:43,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:43,290 INFO L82 PathProgramCache]: Analyzing trace with hash 226310964, now seen corresponding path program 1 times [2021-08-27 06:03:43,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:43,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235857563] [2021-08-27 06:03:43,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:43,291 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:43,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:43,294 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 06:03:43,323 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 06:03:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:43,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:03:43,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:43,570 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 06:03:43,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:43,695 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 06:03:43,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:43,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235857563] [2021-08-27 06:03:43,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235857563] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:03:43,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:03:43,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:03:43,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839373472] [2021-08-27 06:03:43,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:03:43,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:43,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:03:43,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:03:43,699 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:03:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:43,932 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-08-27 06:03:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:03:43,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-08-27 06:03:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:43,934 INFO L225 Difference]: With dead ends: 158 [2021-08-27 06:03:43,934 INFO L226 Difference]: Without dead ends: 155 [2021-08-27 06:03:43,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:03:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-27 06:03:43,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-08-27 06:03:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-27 06:03:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-08-27 06:03:43,944 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-08-27 06:03:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:43,945 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-08-27 06:03:43,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:03:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-08-27 06:03:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:03:43,946 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:43,946 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:43,955 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 06:03:44,155 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 06:03:44,155 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:03:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:44,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206166, now seen corresponding path program 1 times [2021-08-27 06:03:44,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:44,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746898500] [2021-08-27 06:03:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:44,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:44,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:44,158 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 06:03:44,159 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 06:03:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:44,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:03:44,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:03:44,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:03:44,523 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:44,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746898500] [2021-08-27 06:03:44,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746898500] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:03:44,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:03:44,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:03:44,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241658044] [2021-08-27 06:03:44,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:03:44,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:44,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:03:44,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:44,525 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:44,589 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-08-27 06:03:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:03:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-08-27 06:03:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:44,591 INFO L225 Difference]: With dead ends: 140 [2021-08-27 06:03:44,592 INFO L226 Difference]: Without dead ends: 140 [2021-08-27 06:03:44,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:44,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-08-27 06:03:44,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-08-27 06:03:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-08-27 06:03:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-08-27 06:03:44,607 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-08-27 06:03:44,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:44,608 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-08-27 06:03:44,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-08-27 06:03:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:03:44,608 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:44,608 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:44,616 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 06:03:44,816 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 06:03:44,817 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:03:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:44,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206133, now seen corresponding path program 1 times [2021-08-27 06:03:44,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:44,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090857603] [2021-08-27 06:03:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:44,818 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:44,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:44,819 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 06:03:44,820 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 06:03:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:45,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:03:45,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:45,076 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 06:03:45,182 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 06:03:45,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-08-27 06:03:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:45,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:45,460 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:45,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090857603] [2021-08-27 06:03:45,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090857603] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:03:45,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:03:45,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-27 06:03:45,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826479481] [2021-08-27 06:03:45,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 06:03:45,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:45,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 06:03:45,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:03:45,462 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:03:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:46,373 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-08-27 06:03:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 06:03:46,374 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-08-27 06:03:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:46,377 INFO L225 Difference]: With dead ends: 205 [2021-08-27 06:03:46,377 INFO L226 Difference]: Without dead ends: 205 [2021-08-27 06:03:46,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 185.0ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-08-27 06:03:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-08-27 06:03:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-08-27 06:03:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-08-27 06:03:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-08-27 06:03:46,389 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-08-27 06:03:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:46,390 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-08-27 06:03:46,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:03:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-08-27 06:03:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:03:46,391 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:46,391 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:46,404 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 06:03:46,608 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 06:03:46,608 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:03:46,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:46,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206132, now seen corresponding path program 1 times [2021-08-27 06:03:46,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:46,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165921701] [2021-08-27 06:03:46,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:46,610 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:46,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:46,611 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 06:03:46,612 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 06:03:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:46,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:03:46,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:46,921 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 06:03:46,926 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 06:03:49,174 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 06:03:49,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-08-27 06:03:49,185 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 06:03:49,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-08-27 06:03:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:49,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:07,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-08-27 06:04:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:07,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:07,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165921701] [2021-08-27 06:04:07,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165921701] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:04:07,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:04:07,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-08-27 06:04:07,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236713511] [2021-08-27 06:04:07,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 06:04:07,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:07,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 06:04:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=195, Unknown=7, NotChecked=0, Total=240 [2021-08-27 06:04:07,149 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:08:00,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:08:00,448 INFO L93 Difference]: Finished difference Result 304 states and 352 transitions. [2021-08-27 06:08:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-27 06:08:00,448 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-08-27 06:08:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:08:00,450 INFO L225 Difference]: With dead ends: 304 [2021-08-27 06:08:00,451 INFO L226 Difference]: Without dead ends: 304 [2021-08-27 06:08:00,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 52919.8ms TimeCoverageRelationStatistics Valid=153, Invalid=763, Unknown=14, NotChecked=0, Total=930 [2021-08-27 06:08:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-08-27 06:08:00,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 138. [2021-08-27 06:08:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.524390243902439) internal successors, (125), 106 states have internal predecessors, (125), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (23), 20 states have call predecessors, (23), 17 states have call successors, (23) [2021-08-27 06:08:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2021-08-27 06:08:00,465 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 21 [2021-08-27 06:08:00,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:08:00,465 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2021-08-27 06:08:00,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:08:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2021-08-27 06:08:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:08:00,466 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:08:00,467 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:08:00,479 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 06:08:00,667 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 06:08:00,668 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:08:00,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:08:00,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1817609140, now seen corresponding path program 1 times [2021-08-27 06:08:00,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:08:00,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332712231] [2021-08-27 06:08:00,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:00,669 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:08:00,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:08:00,670 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 06:08:00,670 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 06:08:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:00,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:08:00,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:08:01,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:01,142 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:08:01,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332712231] [2021-08-27 06:08:01,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332712231] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-27 06:08:01,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 06:08:01,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-08-27 06:08:01,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897594300] [2021-08-27 06:08:01,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:08:01,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:08:01,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:08:01,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:08:01,145 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:08:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:08:01,189 INFO L93 Difference]: Finished difference Result 129 states and 151 transitions. [2021-08-27 06:08:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:08:01,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-08-27 06:08:01,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:08:01,192 INFO L225 Difference]: With dead ends: 129 [2021-08-27 06:08:01,192 INFO L226 Difference]: Without dead ends: 125 [2021-08-27 06:08:01,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:08:01,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-08-27 06:08:01,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-08-27 06:08:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.527027027027027) internal successors, (113), 96 states have internal predecessors, (113), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-08-27 06:08:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2021-08-27 06:08:01,214 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 21 [2021-08-27 06:08:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:08:01,216 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2021-08-27 06:08:01,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:08:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2021-08-27 06:08:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-27 06:08:01,217 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:08:01,217 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:08:01,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:01,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:08:01,418 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:08:01,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:08:01,418 INFO L82 PathProgramCache]: Analyzing trace with hash 881753269, now seen corresponding path program 1 times [2021-08-27 06:08:01,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:08:01,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588842754] [2021-08-27 06:08:01,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:01,419 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:08:01,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:08:01,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:08:01,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-27 06:08:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:01,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:08:01,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:08:01,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:02,232 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:08:02,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588842754] [2021-08-27 06:08:02,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588842754] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:08:02,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:08:02,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-27 06:08:02,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962611563] [2021-08-27 06:08:02,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 06:08:02,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:08:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 06:08:02,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:08:02,235 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:08:02,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:08:02,647 INFO L93 Difference]: Finished difference Result 124 states and 145 transitions. [2021-08-27 06:08:02,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 06:08:02,647 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-08-27 06:08:02,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:08:02,648 INFO L225 Difference]: With dead ends: 124 [2021-08-27 06:08:02,648 INFO L226 Difference]: Without dead ends: 124 [2021-08-27 06:08:02,649 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 228.9ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-27 06:08:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-27 06:08:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-08-27 06:08:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 74 states have (on average 1.5) internal successors, (111), 95 states have internal predecessors, (111), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-08-27 06:08:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2021-08-27 06:08:02,653 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 22 [2021-08-27 06:08:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:08:02,653 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2021-08-27 06:08:02,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:08:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2021-08-27 06:08:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-27 06:08:02,654 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:08:02,654 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 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 06:08:02,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:02,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:08:02,861 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-08-27 06:08:02,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:08:02,861 INFO L82 PathProgramCache]: Analyzing trace with hash 466132951, now seen corresponding path program 1 times [2021-08-27 06:08:02,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:08:02,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581615813] [2021-08-27 06:08:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:02,861 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:08:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:08:02,862 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:08:02,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-27 06:08:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:03,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 06:08:03,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:03,154 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:08:03,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 06:08:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:07,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:11,984 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:08:11,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581615813] [2021-08-27 06:08:11,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:11,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1809569338] [2021-08-27 06:08:11,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:11,985 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 06:08:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 06:08:11,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 06:08:11,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-08-27 06:08:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:12,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:08:12,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:12,393 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:08:12,394 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 26 treesize of output 29 [2021-08-27 06:08:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:12,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:17,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:17,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812062093] [2021-08-27 06:08:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:17,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 06:08:17,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:08:17,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 06:08:17,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-27 06:08:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:17,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 06:08:17,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:19,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:23,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:23,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:08:23,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 06:08:23,814 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 06:08:23,814 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 06:08:23,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:08:23,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:08:23,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err0REQUIRES_VIOLATION [2021-08-27 06:08:23,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err1REQUIRES_VIOLATION [2021-08-27 06:08:23,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err2REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err3REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err4REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err5REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:23,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:24,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:24,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:24,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-27 06:08:24,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:08:24,476 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:08:24,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:08:24 BoogieIcfgContainer [2021-08-27 06:08:24,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:08:24,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:08:24,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:08:24,482 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:08:24,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:42" (3/4) ... [2021-08-27 06:08:24,484 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:08:24,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:08:24,485 INFO L168 Benchmark]: Toolchain (without parser) took 284282.26 ms. Allocated memory was 56.6 MB in the beginning and 161.5 MB in the end (delta: 104.9 MB). Free memory was 34.1 MB in the beginning and 51.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:24,485 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.1 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:08:24,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.00 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.0 MB in the beginning and 55.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:24,486 INFO L168 Benchmark]: Boogie Preprocessor took 134.47 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 50.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:24,486 INFO L168 Benchmark]: RCFGBuilder took 1396.28 ms. Allocated memory is still 75.5 MB. Free memory was 50.2 MB in the beginning and 28.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:24,487 INFO L168 Benchmark]: TraceAbstraction took 282074.83 ms. Allocated memory was 75.5 MB in the beginning and 161.5 MB in the end (delta: 86.0 MB). Free memory was 28.0 MB in the beginning and 52.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:24,487 INFO L168 Benchmark]: Witness Printer took 2.54 ms. Allocated memory is still 161.5 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:08:24,488 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 39.1 MB in the beginning and 39.1 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 668.00 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.0 MB in the beginning and 55.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.47 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 50.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1396.28 ms. Allocated memory is still 75.5 MB. Free memory was 50.2 MB in the beginning and 28.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 282074.83 ms. Allocated memory was 75.5 MB in the beginning and 161.5 MB in the end (delta: 86.0 MB). Free memory was 28.0 MB in the beginning and 52.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. * Witness Printer took 2.54 ms. Allocated memory is still 161.5 MB. Free memory is still 51.8 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: 822]: 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 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] 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: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free 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. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 282016.1ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 15.3ms, AutomataDifference: 235088.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 846 SDtfs, 983 SDslu, 2215 SDs, 0 SdLazy, 1865 SolverSat, 307 SolverUnsat, 90 SolverUnknown, 0 SolverNotchecked, 197292.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 292 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 53404.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 101.6ms AutomataMinimizationTime, 7 MinimizatonAttempts, 362 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.0ms SsaConstructionTime, 144.0ms SatisfiabilityAnalysisTime, 22166.8ms InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 262 ConstructedInterpolants, 21 QuantifiedInterpolants, 1277 SizeOfPredicates, 7 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 24/40 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 06:08:24,553 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...