./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf 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_test7-1.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 b099a717aded091d5866869f3c84b7af6ed3ff48 ................................................................................................................................... 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_test7-1.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 b099a717aded091d5866869f3c84b7af6ed3ff48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:54:34,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:54:34,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:54:34,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:54:34,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:54:34,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:54:34,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:54:34,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:54:34,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:54:34,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:54:34,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:54:34,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:54:34,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:54:34,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:54:34,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:54:34,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:54:34,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:54:34,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:54:34,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:54:34,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:54:34,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:54:34,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:54:34,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:54:34,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:54:34,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:54:34,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:54:34,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:54:34,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:54:34,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:54:34,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:54:34,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:54:34,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:54:34,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:54:34,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:54:34,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:54:34,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:54:34,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:54:34,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:54:34,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:54:34,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:54:34,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:54:34,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:54:34,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:54:34,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:54:34,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:54:34,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:54:34,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:54:34,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:54:34,686 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:54:34,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:54:34,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:54:34,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:54:34,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:54:34,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:54:34,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:54:34,687 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:54:34,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:54:34,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:54:34,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:54:34,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:54:34,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:54:34,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2021-08-30 17:54:35,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:54:35,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:54:35,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:54:35,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:54:35,043 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:54:35,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-30 17:54:35,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f808a3def/0b2111d706574d489be942de52b5f01c/FLAG9c0259fd7 [2021-08-30 17:54:35,677 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:54:35,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-30 17:54:35,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f808a3def/0b2111d706574d489be942de52b5f01c/FLAG9c0259fd7 [2021-08-30 17:54:36,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f808a3def/0b2111d706574d489be942de52b5f01c [2021-08-30 17:54:36,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:54:36,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:54:36,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:54:36,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:54:36,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:54:36,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:54:36" (1/1) ... [2021-08-30 17:54:36,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3725865f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:36, skipping insertion in model container [2021-08-30 17:54:36,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:54:36" (1/1) ... [2021-08-30 17:54:36,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:54:36,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:54:36,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:54:36,512 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) [2021-08-30 17:54:36,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c283bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:36, skipping insertion in model container [2021-08-30 17:54:36,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:54:36,513 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:54:36,514 INFO L158 Benchmark]: Toolchain (without parser) took 424.80ms. Allocated memory is still 56.6MB. Free memory was 34.2MB in the beginning and 37.4MB in the end (delta: -3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-30 17:54:36,514 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:54:36,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 37.4MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-30 17:54:36,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 37.4MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:54:38,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:54:38,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:54:38,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:54:38,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:54:38,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:54:38,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:54:38,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:54:38,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:54:38,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:54:38,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:54:38,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:54:38,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:54:38,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:54:38,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:54:38,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:54:38,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:54:38,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:54:38,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:54:38,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:54:38,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:54:38,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:54:38,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:54:38,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:54:38,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:54:38,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:54:38,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:54:38,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:54:38,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:54:38,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:54:38,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:54:38,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:54:38,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:54:38,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:54:38,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:54:38,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:54:38,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:54:38,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:54:38,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:54:38,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:54:38,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:54:38,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-30 17:54:38,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:54:38,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:54:38,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:54:38,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:54:38,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:54:38,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:54:38,309 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:54:38,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:54:38,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:54:38,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:54:38,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:54:38,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:54:38,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:54:38,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 17:54:38,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 17:54:38,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:54:38,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:54:38,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:54:38,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:54:38,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:54:38,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:54:38,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:54:38,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:54:38,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 17:54:38,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 17:54:38,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:54:38,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 17:54:38,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2021-08-30 17:54:38,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:54:38,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:54:38,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:54:38,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:54:38,676 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:54:38,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-30 17:54:38,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c741687/d2cec2c4f5b8484aba0dca1f11502de5/FLAG29517a8b6 [2021-08-30 17:54:39,310 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:54:39,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-30 17:54:39,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c741687/d2cec2c4f5b8484aba0dca1f11502de5/FLAG29517a8b6 [2021-08-30 17:54:39,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c741687/d2cec2c4f5b8484aba0dca1f11502de5 [2021-08-30 17:54:39,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:54:39,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:54:39,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:54:39,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:54:39,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:54:39,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:54:39" (1/1) ... [2021-08-30 17:54:39,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328c02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:39, skipping insertion in model container [2021-08-30 17:54:39,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:54:39" (1/1) ... [2021-08-30 17:54:39,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:54:39,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:54:40,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:54:40,183 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-30 17:54:40,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:54:40,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:54:40,284 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 17:54:40,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:54:40,404 INFO L208 MainTranslator]: Completed translation [2021-08-30 17:54:40,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40 WrapperNode [2021-08-30 17:54:40,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:54:40,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 17:54:40,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 17:54:40,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 17:54:40,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 17:54:40,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 17:54:40,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 17:54:40,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 17:54:40,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (1/1) ... [2021-08-30 17:54:40,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:54:40,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:54:40,554 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) [2021-08-30 17:54:40,580 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 [2021-08-30 17:54:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-30 17:54:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 17:54:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:54:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:54:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-30 17:54:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-30 17:54:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-30 17:54:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-30 17:54:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-30 17:54:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-30 17:54:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-30 17:54:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-30 17:54:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-30 17:54:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-30 17:54:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2021-08-30 17:54:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2021-08-30 17:54:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2021-08-30 17:54:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2021-08-30 17:54:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-30 17:54:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-30 17:54:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-30 17:54:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-30 17:54:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-30 17:54:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-30 17:54:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-30 17:54:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-30 17:54:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-30 17:54:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-30 17:54:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-30 17:54:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-30 17:54:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-30 17:54:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-30 17:54:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-30 17:54:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-30 17:54:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-30 17:54:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-30 17:54:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-30 17:54:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-30 17:54:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-30 17:54:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-30 17:54:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-30 17:54:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-30 17:54:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-30 17:54:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-30 17:54:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-30 17:54:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-30 17:54:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-30 17:54:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-30 17:54:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-30 17:54:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-30 17:54:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-30 17:54:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-30 17:54:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-30 17:54:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-30 17:54:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-30 17:54:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-30 17:54:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 17:54:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-30 17:54:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-30 17:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-30 17:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 17:54:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-30 17:54:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-30 17:54:41,075 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:54:41,151 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:54:41,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 17:54:41,209 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-30 17:54:41,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:54:41 BoogieIcfgContainer [2021-08-30 17:54:41,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 17:54:41,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 17:54:41,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 17:54:41,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 17:54:41,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:54:39" (1/3) ... [2021-08-30 17:54:41,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:54:41, skipping insertion in model container [2021-08-30 17:54:41,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:54:40" (2/3) ... [2021-08-30 17:54:41,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:54:41, skipping insertion in model container [2021-08-30 17:54:41,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:54:41" (3/3) ... [2021-08-30 17:54:41,218 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2021-08-30 17:54:41,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 17:54:41,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2021-08-30 17:54:41,259 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 17:54:41,265 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 [2021-08-30 17:54:41,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2021-08-30 17:54:41,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-08-30 17:54:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-30 17:54:41,287 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:54:41,287 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:54:41,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-30 17:54:41,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:54:41,293 INFO L82 PathProgramCache]: Analyzing trace with hash 436226143, now seen corresponding path program 1 times [2021-08-30 17:54:41,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:54:41,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088198446] [2021-08-30 17:54:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:41,304 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:54:41,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:54:41,309 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) [2021-08-30 17:54:41,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-30 17:54:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:41,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-30 17:54:41,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:41,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:54:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:41,815 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:54:41,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088198446] [2021-08-30 17:54:41,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088198446] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:54:41,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:54:41,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-08-30 17:54:41,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109695716] [2021-08-30 17:54:41,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-30 17:54:41,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:54:41,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-30 17:54:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:54:41,851 INFO L87 Difference]: Start difference. First operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:54:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:54:41,994 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-08-30 17:54:41,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:54:41,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-08-30 17:54:41,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:54:42,002 INFO L225 Difference]: With dead ends: 53 [2021-08-30 17:54:42,003 INFO L226 Difference]: Without dead ends: 50 [2021-08-30 17:54:42,004 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.16ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:54:42,007 INFO L928 BasicCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.28ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.78ms IncrementalHoareTripleChecker+Time [2021-08-30 17:54:42,008 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 61 Invalid, 143 Unknown, 0 Unchecked, 4.28ms Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 116.78ms Time] [2021-08-30 17:54:42,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-08-30 17:54:42,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-08-30 17:54:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-30 17:54:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-08-30 17:54:42,038 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2021-08-30 17:54:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:54:42,038 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-08-30 17:54:42,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:54:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-08-30 17:54:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-30 17:54:42,039 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:54:42,040 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:54:42,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-30 17:54:42,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:54:42,252 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-30 17:54:42,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:54:42,252 INFO L82 PathProgramCache]: Analyzing trace with hash 638108999, now seen corresponding path program 1 times [2021-08-30 17:54:42,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:54:42,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650965607] [2021-08-30 17:54:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:42,253 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:54:42,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:54:42,254 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) [2021-08-30 17:54:42,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-30 17:54:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:42,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-30 17:54:42,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:42,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:54:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:42,818 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:54:42,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650965607] [2021-08-30 17:54:42,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650965607] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:54:42,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:54:42,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2021-08-30 17:54:42,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073764386] [2021-08-30 17:54:42,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-30 17:54:42,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:54:42,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-30 17:54:42,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:54:42,823 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-30 17:54:43,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:54:43,052 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2021-08-30 17:54:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-30 17:54:43,053 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-08-30 17:54:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:54:43,056 INFO L225 Difference]: With dead ends: 66 [2021-08-30 17:54:43,056 INFO L226 Difference]: Without dead ends: 66 [2021-08-30 17:54:43,056 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 96.67ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:54:43,057 INFO L928 BasicCegarLoop]: 15 mSDtfsCounter, 72 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.98ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 205.98ms IncrementalHoareTripleChecker+Time [2021-08-30 17:54:43,058 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 16 Invalid, 242 Unknown, 0 Unchecked, 2.98ms Time], IncrementalHoareTripleChecker [10 Valid, 176 Invalid, 0 Unknown, 56 Unchecked, 205.98ms Time] [2021-08-30 17:54:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-08-30 17:54:43,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 53. [2021-08-30 17:54:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 37 states have internal predecessors, (41), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-08-30 17:54:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2021-08-30 17:54:43,073 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2021-08-30 17:54:43,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:54:43,073 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2021-08-30 17:54:43,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-30 17:54:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-08-30 17:54:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-30 17:54:43,075 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:54:43,076 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:54:43,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-30 17:54:43,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:54:43,286 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-30 17:54:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:54:43,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1693457055, now seen corresponding path program 1 times [2021-08-30 17:54:43,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:54:43,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308015798] [2021-08-30 17:54:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:43,288 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:54:43,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:54:43,289 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) [2021-08-30 17:54:43,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-30 17:54:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:43,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-30 17:54:43,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:43,525 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 [2021-08-30 17:54:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:43,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:54:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:43,711 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:54:43,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308015798] [2021-08-30 17:54:43,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308015798] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:54:43,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:54:43,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2021-08-30 17:54:43,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699391043] [2021-08-30 17:54:43,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-30 17:54:43,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:54:43,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-30 17:54:43,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-30 17:54:43,717 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-30 17:54:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:54:43,869 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2021-08-30 17:54:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-30 17:54:43,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-08-30 17:54:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:54:43,871 INFO L225 Difference]: With dead ends: 71 [2021-08-30 17:54:43,871 INFO L226 Difference]: Without dead ends: 71 [2021-08-30 17:54:43,871 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.97ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-30 17:54:43,872 INFO L928 BasicCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 131.65ms IncrementalHoareTripleChecker+Time [2021-08-30 17:54:43,873 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 69 Invalid, 203 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 44 Unchecked, 131.65ms Time] [2021-08-30 17:54:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-08-30 17:54:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2021-08-30 17:54:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 46 states have internal predecessors, (52), 10 states have call successors, (10), 9 states have call predecessors, (10), 9 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-08-30 17:54:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2021-08-30 17:54:43,880 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 25 [2021-08-30 17:54:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:54:43,880 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2021-08-30 17:54:43,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-30 17:54:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2021-08-30 17:54:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-30 17:54:43,882 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:54:43,882 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:54:43,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-30 17:54:44,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:54:44,093 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-30 17:54:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:54:44,094 INFO L82 PathProgramCache]: Analyzing trace with hash -2073787341, now seen corresponding path program 1 times [2021-08-30 17:54:44,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:54:44,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005354911] [2021-08-30 17:54:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:44,095 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:54:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:54:44,095 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) [2021-08-30 17:54:44,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-30 17:54:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:44,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-30 17:54:44,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:44,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:54:48,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:54:48,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005354911] [2021-08-30 17:54:48,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:54:48,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [435736672] [2021-08-30 17:54:48,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:48,527 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-30 17:54:48,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-30 17:54:48,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-30 17:54:48,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-08-30 17:54:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:48,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-30 17:54:48,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:48,773 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-30 17:54:48,773 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 [2021-08-30 17:54:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:53,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:54:57,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:54:57,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098317566] [2021-08-30 17:54:57,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:54:57,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 17:54:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:54:57,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 17:54:57,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-30 17:54:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:54:57,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-30 17:54:57,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:54:57,364 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-30 17:54:57,364 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 [2021-08-30 17:54:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:54:59,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:55:03,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:55:03,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:55:03,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-30 17:55:03,726 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-30 17:55:03,726 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-08-30 17:55:03,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (75 of 76 remaining) [2021-08-30 17:55:03,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (74 of 76 remaining) [2021-08-30 17:55:03,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (73 of 76 remaining) [2021-08-30 17:55:03,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (72 of 76 remaining) [2021-08-30 17:55:03,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (71 of 76 remaining) [2021-08-30 17:55:03,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (70 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (69 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (68 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (67 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (66 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (65 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (64 of 76 remaining) [2021-08-30 17:55:03,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (63 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (62 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (61 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (60 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (59 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (58 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (57 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (56 of 76 remaining) [2021-08-30 17:55:03,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (55 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (54 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (53 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (52 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (51 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (50 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (49 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (48 of 76 remaining) [2021-08-30 17:55:03,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (47 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (46 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (45 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (44 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (43 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (42 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (41 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (40 of 76 remaining) [2021-08-30 17:55:03,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (39 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (38 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (37 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (36 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (35 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (34 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (33 of 76 remaining) [2021-08-30 17:55:03,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (32 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (31 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (30 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (29 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (28 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (27 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (26 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (25 of 76 remaining) [2021-08-30 17:55:03,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (24 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (23 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (22 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (21 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (20 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (19 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (18 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (17 of 76 remaining) [2021-08-30 17:55:03,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (16 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (15 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (14 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (13 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (12 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (11 of 76 remaining) [2021-08-30 17:55:03,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (10 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (9 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (8 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (7 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (6 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (5 of 76 remaining) [2021-08-30 17:55:03,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err0REQUIRES_VIOLATION (4 of 76 remaining) [2021-08-30 17:55:03,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err1REQUIRES_VIOLATION (3 of 76 remaining) [2021-08-30 17:55:03,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE (2 of 76 remaining) [2021-08-30 17:55:03,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE (1 of 76 remaining) [2021-08-30 17:55:03,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE (0 of 76 remaining) [2021-08-30 17:55:03,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-30 17:55:03,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-30 17:55:04,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2021-08-30 17:55:04,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-30 17:55:04,359 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 17:55:04,362 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-30 17:55:04,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:55:04 BoogieIcfgContainer [2021-08-30 17:55:04,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 17:55:04,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 17:55:04,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 17:55:04,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 17:55:04,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:54:41" (3/4) ... [2021-08-30 17:55:04,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 17:55:04,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 17:55:04,380 INFO L158 Benchmark]: Toolchain (without parser) took 24666.90ms. Allocated memory was 50.3MB in the beginning and 81.8MB in the end (delta: 31.5MB). Free memory was 26.4MB in the beginning and 42.8MB in the end (delta: -16.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-08-30 17:55:04,381 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:55:04,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.37ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 44.4MB in the end (delta: -18.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-08-30 17:55:04,381 INFO L158 Benchmark]: Boogie Preprocessor took 103.46ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 39.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 17:55:04,382 INFO L158 Benchmark]: RCFGBuilder took 701.01ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 50.7MB in the end (delta: -11.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-08-30 17:55:04,382 INFO L158 Benchmark]: TraceAbstraction took 23162.33ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 43.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-08-30 17:55:04,383 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 42.8MB in the end (delta: 601.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:55:04,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.37ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 44.4MB in the end (delta: -18.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.46ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 39.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 701.01ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 50.7MB in the end (delta: -11.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23162.33ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 43.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 42.8MB in the end (delta: 601.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 789]: 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 789. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L790] CALL entry_point() [L783] struct A a7; [L784] CALL, EXPR probe1_6(&a7) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND TRUE p==0 [L767] return ret; [L784] RET, EXPR probe1_6(&a7) [L784] int ret = probe1_6(&a7); [L785] COND FALSE !(ret==0) [L790] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: 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, 364 locations, 76 error locations. Started 1 CEGAR loops. OverallTime: 23098.33ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 15.06ms, AutomataDifference: 579.68ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 9.98ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 454.41ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 343.12ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 100 IncrementalHoareTripleChecker+Unchecked, 383 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 48 mSDtfsCounter, 477 mSolverCounterSat, 9.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 162.80ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 38.27ms AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 51.93ms SsaConstructionTime, 72.58ms SatisfiabilityAnalysisTime, 1015.62ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 138 ConstructedInterpolants, 6 QuantifiedInterpolants, 487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 17:55:04,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...