./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test11_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_test11_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 d58cec473cb766e48ec31cf93ef2517d91aaecb5 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test11_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 d58cec473cb766e48ec31cf93ef2517d91aaecb5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:44:40,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:44:40,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:44:40,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:44:40,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:44:40,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:44:40,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:44:40,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:44:40,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:44:40,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:44:40,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:44:40,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:44:40,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:44:40,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:44:40,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:44:40,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:44:40,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:44:40,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:44:40,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:44:40,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:44:40,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:44:40,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:44:40,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:44:40,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:44:40,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:44:40,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:44:40,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:44:40,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:44:40,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:44:40,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:44:40,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:44:40,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:44:40,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:44:40,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:44:40,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:44:40,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:44:40,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:44:40,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:44:40,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:44:40,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:44:40,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:44:40,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:44:40,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:44:40,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:44:40,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:44:40,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:44:40,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:44:40,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:44:40,257 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:44:40,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:44:40,258 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:44:40,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:44:40,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:44:40,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:44:40,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:44:40,259 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:44:40,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:44:40,268 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:44:40,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:44:40,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:44:40,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:44:40,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:44:40,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:44:40,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:44:40,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:44:40,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:44:40,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:44:40,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:44:40,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:44:40,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:44:40,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:44:40,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-08-30 17:44:40,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:44:40,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:44:40,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:44:40,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:44:40,573 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:44:40,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-30 17:44:40,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657b2e22b/2587e8544d3b4cb6a6c59309d54903e2/FLAG8f40e0b99 [2021-08-30 17:44:41,115 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:44:41,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-30 17:44:41,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657b2e22b/2587e8544d3b4cb6a6c59309d54903e2/FLAG8f40e0b99 [2021-08-30 17:44:41,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657b2e22b/2587e8544d3b4cb6a6c59309d54903e2 [2021-08-30 17:44:41,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:44:41,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:44:41,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:44:41,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:44:41,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:44:41,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:44:41" (1/1) ... [2021-08-30 17:44:41,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480150fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:41, skipping insertion in model container [2021-08-30 17:44:41,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:44:41" (1/1) ... [2021-08-30 17:44:41,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:44:41,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:44:41,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:44:41,766 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 17:44:41,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dc15750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:41, skipping insertion in model container [2021-08-30 17:44:41,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:44:41,767 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:44:41,768 INFO L158 Benchmark]: Toolchain (without parser) took 359.05ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 40.1MB in the end (delta: -842.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-30 17:44:41,769 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:44:41,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.02ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 40.3MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-30 17:44:41,771 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 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.02ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 40.3MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:44:43,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:44:43,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:44:43,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:44:43,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:44:43,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:44:43,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:44:43,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:44:43,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:44:43,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:44:43,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:44:43,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:44:43,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:44:43,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:44:43,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:44:43,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:44:43,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:44:43,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:44:43,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:44:43,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:44:43,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:44:43,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:44:43,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:44:43,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:44:43,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:44:43,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:44:43,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:44:43,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:44:43,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:44:43,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:44:43,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:44:43,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:44:43,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:44:43,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:44:43,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:44:43,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:44:43,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:44:43,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:44:43,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:44:43,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:44:43,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:44:43,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-30 17:44:43,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:44:43,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:44:43,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:44:43,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:44:43,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:44:43,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:44:43,570 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:44:43,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:44:43,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:44:43,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:44:43,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:44:43,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:44:43,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:44:43,572 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:44:43,572 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:44:43,572 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:44:43,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:44:43,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:44:43,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 17:44:43,579 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 17:44:43,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:44:43,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:44:43,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:44:43,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:44:43,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:44:43,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:44:43,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:44:43,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:44:43,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 17:44:43,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 17:44:43,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:44:43,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 17:44:43,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-08-30 17:44:43,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:44:43,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:44:43,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:44:43,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:44:43,893 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:44:43,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-30 17:44:43,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9870f53/1c533f1b13644c77b80024a8a7301b56/FLAG911a9eadd [2021-08-30 17:44:44,463 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:44:44,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-30 17:44:44,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9870f53/1c533f1b13644c77b80024a8a7301b56/FLAG911a9eadd [2021-08-30 17:44:44,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9870f53/1c533f1b13644c77b80024a8a7301b56 [2021-08-30 17:44:44,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:44:44,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:44:44,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:44:44,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:44:44,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:44:44,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:44:44" (1/1) ... [2021-08-30 17:44:44,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d850056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:44, skipping insertion in model container [2021-08-30 17:44:44,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:44:44" (1/1) ... [2021-08-30 17:44:45,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:44:45,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:44:45,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:44:45,395 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-30 17:44:45,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:44:45,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:44:45,490 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 17:44:45,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:44:45,587 INFO L208 MainTranslator]: Completed translation [2021-08-30 17:44:45,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45 WrapperNode [2021-08-30 17:44:45,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:44:45,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 17:44:45,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 17:44:45,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 17:44:45,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 17:44:45,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 17:44:45,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 17:44:45,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 17:44:45,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (1/1) ... [2021-08-30 17:44:45,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:44:45,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:44:45,709 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 17:44:45,718 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 17:44:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-30 17:44:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 17:44:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-30 17:44:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-30 17:44:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-30 17:44:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-30 17:44:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-30 17:44:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-30 17:44:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-30 17:44:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-30 17:44:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-30 17:44:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-30 17:44:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-30 17:44:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-30 17:44:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-30 17:44:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-30 17:44:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-30 17:44:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-30 17:44:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-30 17:44:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-30 17:44:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-30 17:44:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-30 17:44:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-30 17:44:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-30 17:44:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-30 17:44:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-30 17:44:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:44:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-30 17:44:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-30 17:44:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-30 17:44:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-30 17:44:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-30 17:44:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-30 17:44:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-30 17:44:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-30 17:44:46,147 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:44:46,246 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:44:46,346 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 17:44:46,346 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-30 17:44:46,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:44:46 BoogieIcfgContainer [2021-08-30 17:44:46,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 17:44:46,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 17:44:46,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 17:44:46,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 17:44:46,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:44:44" (1/3) ... [2021-08-30 17:44:46,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57451772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:44:46, skipping insertion in model container [2021-08-30 17:44:46,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:44:45" (2/3) ... [2021-08-30 17:44:46,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57451772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:44:46, skipping insertion in model container [2021-08-30 17:44:46,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:44:46" (3/3) ... [2021-08-30 17:44:46,354 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2021-08-30 17:44:46,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 17:44:46,362 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2021-08-30 17:44:46,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 17:44:46,401 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 17:44:46,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2021-08-30 17:44:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-08-30 17:44:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-30 17:44:46,422 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:44:46,423 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:44:46,423 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:44:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:44:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2088463859, now seen corresponding path program 1 times [2021-08-30 17:44:46,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:44:46,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128255283] [2021-08-30 17:44:46,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:44:46,446 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:44:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:44:46,466 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 17:44:46,504 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 17:44:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:44:46,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-30 17:44:46,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:44:46,826 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 17:44:46,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:44:46,943 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 17:44:46,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:44:46,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128255283] [2021-08-30 17:44:46,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128255283] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:44:46,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:44:46,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-30 17:44:46,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248659367] [2021-08-30 17:44:46,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-30 17:44:46,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:44:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-30 17:44:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:44:46,973 INFO L87 Difference]: Start difference. First operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:44:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:44:47,394 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2021-08-30 17:44:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:44:47,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-08-30 17:44:47,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:44:47,404 INFO L225 Difference]: With dead ends: 151 [2021-08-30 17:44:47,404 INFO L226 Difference]: Without dead ends: 148 [2021-08-30 17:44:47,406 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.64ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:44:47,413 INFO L928 BasicCegarLoop]: 33 mSDtfsCounter, 33 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 286.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.79ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 360.09ms IncrementalHoareTripleChecker+Time [2021-08-30 17:44:47,416 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 128 Invalid, 396 Unknown, 0 Unchecked, 6.79ms Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 360.09ms Time] [2021-08-30 17:44:47,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-08-30 17:44:47,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2021-08-30 17:44:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 89 states have internal predecessors, (95), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-08-30 17:44:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2021-08-30 17:44:47,479 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2021-08-30 17:44:47,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:44:47,480 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2021-08-30 17:44:47,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:44:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2021-08-30 17:44:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-30 17:44:47,481 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:44:47,481 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:44:47,494 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 17:44:47,691 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 17:44:47,691 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:44:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:44:47,692 INFO L82 PathProgramCache]: Analyzing trace with hash -463693102, now seen corresponding path program 1 times [2021-08-30 17:44:47,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:44:47,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914494143] [2021-08-30 17:44:47,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:44:47,693 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:44:47,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:44:47,696 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 17:44:47,696 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 17:44:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:44:47,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-30 17:44:47,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:44:47,874 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 17:44:47,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:44:47,937 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 17:44:47,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:44:47,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [914494143] [2021-08-30 17:44:47,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [914494143] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:44:47,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:44:47,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-30 17:44:47,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993349277] [2021-08-30 17:44:47,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 17:44:47,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:44:47,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 17:44:47,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 17:44:47,940 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:44:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:44:48,212 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2021-08-30 17:44:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 17:44:48,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-08-30 17:44:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:44:48,214 INFO L225 Difference]: With dead ends: 168 [2021-08-30 17:44:48,214 INFO L226 Difference]: Without dead ends: 165 [2021-08-30 17:44:48,215 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 17:44:48,216 INFO L928 BasicCegarLoop]: 35 mSDtfsCounter, 77 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.32ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 253.89ms IncrementalHoareTripleChecker+Time [2021-08-30 17:44:48,216 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 39 Invalid, 233 Unknown, 0 Unchecked, 2.32ms Time], IncrementalHoareTripleChecker [16 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 253.89ms Time] [2021-08-30 17:44:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-08-30 17:44:48,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2021-08-30 17:44:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 86 states have internal predecessors, (91), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-30 17:44:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-08-30 17:44:48,240 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2021-08-30 17:44:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:44:48,240 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-08-30 17:44:48,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:44:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-08-30 17:44:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 17:44:48,242 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:44:48,242 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:44:48,257 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 17:44:48,453 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 17:44:48,453 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:44:48,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:44:48,454 INFO L82 PathProgramCache]: Analyzing trace with hash -914027467, now seen corresponding path program 1 times [2021-08-30 17:44:48,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:44:48,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321282492] [2021-08-30 17:44:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:44:48,455 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:44:48,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:44:48,455 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 17:44:48,456 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 17:44:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:44:48,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-30 17:44:48,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:44:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:44:48,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:44:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:44:48,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:44:48,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321282492] [2021-08-30 17:44:48,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321282492] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:44:48,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:44:48,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-30 17:44:48,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329501489] [2021-08-30 17:44:48,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-30 17:44:48,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:44:48,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-30 17:44:48,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:44:48,691 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:44:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:44:48,999 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2021-08-30 17:44:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:44:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-08-30 17:44:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:44:49,000 INFO L225 Difference]: With dead ends: 145 [2021-08-30 17:44:49,001 INFO L226 Difference]: Without dead ends: 145 [2021-08-30 17:44:49,001 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.36ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:44:49,002 INFO L928 BasicCegarLoop]: 33 mSDtfsCounter, 29 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 234.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 290.62ms IncrementalHoareTripleChecker+Time [2021-08-30 17:44:49,002 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 129 Invalid, 441 Unknown, 0 Unchecked, 3.45ms Time], IncrementalHoareTripleChecker [1 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 290.62ms Time] [2021-08-30 17:44:49,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-08-30 17:44:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2021-08-30 17:44:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 89 states have internal predecessors, (94), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-08-30 17:44:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2021-08-30 17:44:49,015 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 21 [2021-08-30 17:44:49,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:44:49,016 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2021-08-30 17:44:49,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:44:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2021-08-30 17:44:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 17:44:49,017 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:44:49,017 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:44:49,030 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 17:44:49,226 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 17:44:49,227 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:44:49,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:44:49,228 INFO L82 PathProgramCache]: Analyzing trace with hash -914027434, now seen corresponding path program 1 times [2021-08-30 17:44:49,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:44:49,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840012433] [2021-08-30 17:44:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:44:49,229 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:44:49,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:44:49,230 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 17:44:49,232 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 17:44:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:44:49,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-30 17:44:49,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:44:49,408 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 17:44:49,513 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-30 17:44:49,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-08-30 17:44:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:44:49,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:44:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:44:49,759 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:44:49,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840012433] [2021-08-30 17:44:49,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840012433] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 17:44:49,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-30 17:44:49,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-30 17:44:49,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188746337] [2021-08-30 17:44:49,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-30 17:44:49,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:44:49,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-30 17:44:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-30 17:44:49,761 INFO L87 Difference]: Start difference. First operand 114 states and 125 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-30 17:44:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:44:50,080 INFO L93 Difference]: Finished difference Result 134 states and 147 transitions. [2021-08-30 17:44:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-30 17:44:50,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-08-30 17:44:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:44:50,082 INFO L225 Difference]: With dead ends: 134 [2021-08-30 17:44:50,082 INFO L226 Difference]: Without dead ends: 134 [2021-08-30 17:44:50,083 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 105.09ms TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-30 17:44:50,083 INFO L928 BasicCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 236.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.43ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 121 IncrementalHoareTripleChecker+Unchecked, 291.59ms IncrementalHoareTripleChecker+Time [2021-08-30 17:44:50,084 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 101 Invalid, 523 Unknown, 0 Unchecked, 3.43ms Time], IncrementalHoareTripleChecker [3 Valid, 399 Invalid, 0 Unknown, 121 Unchecked, 291.59ms Time] [2021-08-30 17:44:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-08-30 17:44:50,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 131. [2021-08-30 17:44:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 74 states have (on average 1.527027027027027) internal successors, (113), 102 states have internal predecessors, (113), 15 states have call successors, (15), 11 states have call predecessors, (15), 12 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-08-30 17:44:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2021-08-30 17:44:50,092 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 21 [2021-08-30 17:44:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:44:50,092 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2021-08-30 17:44:50,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-30 17:44:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2021-08-30 17:44:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 17:44:50,093 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:44:50,094 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:44:50,105 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 17:44:50,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:44:50,302 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:44:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:44:50,303 INFO L82 PathProgramCache]: Analyzing trace with hash -914027433, now seen corresponding path program 1 times [2021-08-30 17:44:50,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:44:50,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776705491] [2021-08-30 17:44:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:44:50,304 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:44:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:44:50,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:44:50,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-30 17:44:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:44:50,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-30 17:44:50,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:44:50,482 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 17:44:50,486 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 17:44:52,700 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-30 17:44:52,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-08-30 17:44:52,710 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-30 17:44:52,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-08-30 17:44:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:44:52,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:00,938 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) is different from true [2021-08-30 17:45:01,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-08-30 17:45:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-08-30 17:45:01,997 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:45:01,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776705491] [2021-08-30 17:45:01,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776705491] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 17:45:01,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-30 17:45:01,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-08-30 17:45:01,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912918981] [2021-08-30 17:45:01,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-30 17:45:01,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:45:01,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-30 17:45:01,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=4, NotChecked=26, Total=240 [2021-08-30 17:45:01,999 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-30 17:45:17,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:45:17,648 INFO L93 Difference]: Finished difference Result 250 states and 285 transitions. [2021-08-30 17:45:17,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-30 17:45:17,648 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-08-30 17:45:17,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:45:17,650 INFO L225 Difference]: With dead ends: 250 [2021-08-30 17:45:17,650 INFO L226 Difference]: Without dead ends: 250 [2021-08-30 17:45:17,650 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 23078.58ms TimeCoverageRelationStatistics Valid=66, Invalid=310, Unknown=8, NotChecked=36, Total=420 [2021-08-30 17:45:17,652 INFO L928 BasicCegarLoop]: 29 mSDtfsCounter, 208 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1108.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.42ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1183 IncrementalHoareTripleChecker+Unchecked, 1275.33ms IncrementalHoareTripleChecker+Time [2021-08-30 17:45:17,653 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 109 Invalid, 2234 Unknown, 0 Unchecked, 11.42ms Time], IncrementalHoareTripleChecker [52 Valid, 999 Invalid, 0 Unknown, 1183 Unchecked, 1275.33ms Time] [2021-08-30 17:45:17,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-08-30 17:45:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 151. [2021-08-30 17:45:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 117 states have internal predecessors, (136), 19 states have call successors, (19), 11 states have call predecessors, (19), 13 states have return successors, (26), 22 states have call predecessors, (26), 18 states have call successors, (26) [2021-08-30 17:45:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 181 transitions. [2021-08-30 17:45:17,664 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 181 transitions. Word has length 21 [2021-08-30 17:45:17,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:45:17,664 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 181 transitions. [2021-08-30 17:45:17,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-30 17:45:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 181 transitions. [2021-08-30 17:45:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 17:45:17,666 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:45:17,666 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:45:17,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-30 17:45:17,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:45:17,875 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:45:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:45:17,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1207430441, now seen corresponding path program 1 times [2021-08-30 17:45:17,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:45:17,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799594272] [2021-08-30 17:45:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:45:17,877 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:45:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:45:17,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:45:17,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-30 17:45:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:45:17,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-30 17:45:17,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:45:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:45:18,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:45:18,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:45:18,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799594272] [2021-08-30 17:45:18,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799594272] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-30 17:45:18,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 17:45:18,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-08-30 17:45:18,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813670486] [2021-08-30 17:45:18,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-30 17:45:18,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:45:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-30 17:45:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:45:18,149 INFO L87 Difference]: Start difference. First operand 151 states and 181 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:45:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:45:18,482 INFO L93 Difference]: Finished difference Result 142 states and 166 transitions. [2021-08-30 17:45:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:45:18,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-08-30 17:45:18,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:45:18,483 INFO L225 Difference]: With dead ends: 142 [2021-08-30 17:45:18,483 INFO L226 Difference]: Without dead ends: 140 [2021-08-30 17:45:18,483 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.82ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:45:18,484 INFO L928 BasicCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 267.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 321.52ms IncrementalHoareTripleChecker+Time [2021-08-30 17:45:18,484 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 361 Unknown, 0 Unchecked, 2.70ms Time], IncrementalHoareTripleChecker [0 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 321.52ms Time] [2021-08-30 17:45:18,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-08-30 17:45:18,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-08-30 17:45:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 109 states have internal predecessors, (126), 17 states have call successors, (17), 11 states have call predecessors, (17), 13 states have return successors, (21), 19 states have call predecessors, (21), 16 states have call successors, (21) [2021-08-30 17:45:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2021-08-30 17:45:18,492 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 21 [2021-08-30 17:45:18,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:45:18,492 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2021-08-30 17:45:18,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-30 17:45:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2021-08-30 17:45:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-30 17:45:18,493 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:45:18,493 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:45:18,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-30 17:45:18,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:45:18,702 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:45:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:45:18,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1677543537, now seen corresponding path program 1 times [2021-08-30 17:45:18,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:45:18,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512250] [2021-08-30 17:45:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:45:18,704 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:45:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:45:18,704 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:45:18,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-30 17:45:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:45:18,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-30 17:45:18,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:45:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:45:18,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:45:19,092 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:45:19,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512250] [2021-08-30 17:45:19,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512250] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-30 17:45:19,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-30 17:45:19,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-30 17:45:19,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652162943] [2021-08-30 17:45:19,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-30 17:45:19,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:45:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-30 17:45:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:45:19,094 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-30 17:45:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:45:19,589 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2021-08-30 17:45:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-30 17:45:19,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-08-30 17:45:19,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:45:19,590 INFO L225 Difference]: With dead ends: 141 [2021-08-30 17:45:19,590 INFO L226 Difference]: Without dead ends: 141 [2021-08-30 17:45:19,591 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 133.94ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-30 17:45:19,591 INFO L928 BasicCegarLoop]: 23 mSDtfsCounter, 145 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.77ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 443.06ms IncrementalHoareTripleChecker+Time [2021-08-30 17:45:19,591 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 24 Invalid, 525 Unknown, 0 Unchecked, 2.77ms Time], IncrementalHoareTripleChecker [11 Valid, 401 Invalid, 0 Unknown, 113 Unchecked, 443.06ms Time] [2021-08-30 17:45:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-08-30 17:45:19,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-08-30 17:45:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 82 states have (on average 1.5121951219512195) internal successors, (124), 108 states have internal predecessors, (124), 17 states have call successors, (17), 11 states have call predecessors, (17), 13 states have return successors, (21), 19 states have call predecessors, (21), 16 states have call successors, (21) [2021-08-30 17:45:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2021-08-30 17:45:19,598 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 22 [2021-08-30 17:45:19,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:45:19,598 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2021-08-30 17:45:19,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-30 17:45:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2021-08-30 17:45:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-30 17:45:19,599 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:45:19,599 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:45:19,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-30 17:45:19,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:45:19,808 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 92 more)] === [2021-08-30 17:45:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:45:19,809 INFO L82 PathProgramCache]: Analyzing trace with hash -426625510, now seen corresponding path program 1 times [2021-08-30 17:45:19,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:45:19,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733915577] [2021-08-30 17:45:19,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:45:19,814 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:45:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:45:19,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:45:19,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-30 17:45:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:45:19,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-30 17:45:19,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:45:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:45:20,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:24,253 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:45:24,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733915577] [2021-08-30 17:45:24,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:45:24,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2111026038] [2021-08-30 17:45:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:45:24,255 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-30 17:45:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-30 17:45:24,261 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-30 17:45:24,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-08-30 17:45:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:45:24,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-30 17:45:24,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:45:24,476 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-30 17:45:24,476 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 17:45:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:45:28,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:34,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:45:34,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292713806] [2021-08-30 17:45:34,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:45:34,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 17:45:34,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:45:34,949 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 17:45:34,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-30 17:45:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:45:35,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-30 17:45:35,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:45:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 17:45:35,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:45:39,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-30 17:45:39,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:45:39,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-30 17:45:39,341 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-30 17:45:39,341 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-08-30 17:45:39,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (95 of 96 remaining) [2021-08-30 17:45:39,346 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (94 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (93 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (92 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (91 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (90 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (89 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (88 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (87 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (86 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (85 of 96 remaining) [2021-08-30 17:45:39,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (84 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (83 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (82 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (81 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (80 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (79 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (78 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (77 of 96 remaining) [2021-08-30 17:45:39,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (76 of 96 remaining) [2021-08-30 17:45:39,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (75 of 96 remaining) [2021-08-30 17:45:39,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (74 of 96 remaining) [2021-08-30 17:45:39,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (73 of 96 remaining) [2021-08-30 17:45:39,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (72 of 96 remaining) [2021-08-30 17:45:39,349 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (71 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (70 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (69 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (68 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (67 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (66 of 96 remaining) [2021-08-30 17:45:39,350 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (65 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (64 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (63 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (62 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (61 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (60 of 96 remaining) [2021-08-30 17:45:39,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (59 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (58 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (57 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (56 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (55 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (54 of 96 remaining) [2021-08-30 17:45:39,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (53 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (52 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (51 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (50 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (49 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (48 of 96 remaining) [2021-08-30 17:45:39,353 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (47 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (46 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (45 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (44 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (43 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (42 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (41 of 96 remaining) [2021-08-30 17:45:39,354 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (40 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (39 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (38 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (37 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (36 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (35 of 96 remaining) [2021-08-30 17:45:39,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (34 of 96 remaining) [2021-08-30 17:45:39,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (33 of 96 remaining) [2021-08-30 17:45:39,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (32 of 96 remaining) [2021-08-30 17:45:39,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (31 of 96 remaining) [2021-08-30 17:45:39,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (30 of 96 remaining) [2021-08-30 17:45:39,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (29 of 96 remaining) [2021-08-30 17:45:39,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (28 of 96 remaining) [2021-08-30 17:45:39,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (27 of 96 remaining) [2021-08-30 17:45:39,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err0REQUIRES_VIOLATION (26 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err1REQUIRES_VIOLATION (25 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err2REQUIRES_VIOLATION (24 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err3REQUIRES_VIOLATION (23 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err4REQUIRES_VIOLATION (22 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err5REQUIRES_VIOLATION (21 of 96 remaining) [2021-08-30 17:45:39,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE (20 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE (19 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE (18 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE (17 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE (16 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE (15 of 96 remaining) [2021-08-30 17:45:39,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (14 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (13 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION (12 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION (11 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION (10 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION (9 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE (8 of 96 remaining) [2021-08-30 17:45:39,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE (7 of 96 remaining) [2021-08-30 17:45:39,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE (6 of 96 remaining) [2021-08-30 17:45:39,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE (5 of 96 remaining) [2021-08-30 17:45:39,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE (4 of 96 remaining) [2021-08-30 17:45:39,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE (3 of 96 remaining) [2021-08-30 17:45:39,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE (2 of 96 remaining) [2021-08-30 17:45:39,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE (1 of 96 remaining) [2021-08-30 17:45:39,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE (0 of 96 remaining) [2021-08-30 17:45:39,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-30 17:45:39,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-30 17:45:39,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-08-30 17:45:40,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-30 17:45:40,011 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 17:45:40,015 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-30 17:45:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:45:40 BoogieIcfgContainer [2021-08-30 17:45:40,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 17:45:40,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 17:45:40,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 17:45:40,033 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 17:45:40,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:44:46" (3/4) ... [2021-08-30 17:45:40,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 17:45:40,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 17:45:40,037 INFO L158 Benchmark]: Toolchain (without parser) took 55058.56ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 31.6MB in the beginning and 65.4MB in the end (delta: -33.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-08-30 17:45:40,037 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:45:40,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 44.4MB in the end (delta: -13.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-08-30 17:45:40,038 INFO L158 Benchmark]: Boogie Preprocessor took 92.21ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-30 17:45:40,038 INFO L158 Benchmark]: RCFGBuilder took 667.03ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 31.0MB in the end (delta: 8.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-08-30 17:45:40,038 INFO L158 Benchmark]: TraceAbstraction took 53680.78ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 30.6MB in the beginning and 66.1MB in the end (delta: -35.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2021-08-30 17:45:40,039 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 65.4MB in the end (delta: 745.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:45:40,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 44.4MB in the end (delta: -13.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.21ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 667.03ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 31.0MB in the end (delta: 8.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * TraceAbstraction took 53680.78ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 30.6MB in the beginning and 66.1MB in the end (delta: -35.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 65.4MB in the end (delta: 745.9kB). 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: 823]: 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 823. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L824] CALL entry_point() [L803] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L803] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L803] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L804] COND FALSE !(!c11) [L806] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L806] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L805-L806] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L807] COND TRUE !cfg [L819] free(c11) [L819] free(c11) [L819] free(c11) [L824] 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: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: 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, 410 locations, 96 error locations. Started 1 CEGAR loops. OverallTime: 53613.99ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 15.91ms, AutomataDifference: 17869.75ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 9.96ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 3236.11ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 502 mSDsluCounter, 653 SdHoareTripleChecker+Invalid, 2685.41ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1417 IncrementalHoareTripleChecker+Unchecked, 2451 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3212 IncrementalHoareTripleChecker+Invalid, 4713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 212 mSDtfsCounter, 3212 mSolverCounterSat, 32.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 226 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 23360.35ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 117.51ms AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.99ms SsaConstructionTime, 143.05ms SatisfiabilityAnalysisTime, 12895.84ms InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 262 ConstructedInterpolants, 21 QuantifiedInterpolants, 1277 SizeOfPredicates, 7 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 24/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 17:45:40,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...